Migrate backend from Python to Java Spring Boot

- Full Java 21 + Spring Boot 3.3 backend with Virtual Threads
- HikariCP connection pool for Oracle ADB
- JWT auth, Redis caching, OCI GenAI integration
- YouTube transcript extraction via API + Playwright browser fallback
- SSE streaming for bulk operations
- Scheduled daemon for channel scanning/video processing
- Mobile UI: collapse restaurant list to single row on selection
- Switch PM2 ecosystem config to Java backend

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
joungmin
2026-03-09 20:26:32 +09:00
parent 161b1383be
commit 6d05be2331
50 changed files with 4644 additions and 23 deletions

67
backend-java/build.gradle Normal file
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plugins {
id 'java'
id 'org.springframework.boot' version '3.3.5'
id 'io.spring.dependency-management' version '1.1.6'
}
group = 'com.tasteby'
version = '0.1.0'
java {
toolchain {
languageVersion = JavaLanguageVersion.of(21)
}
}
repositories {
mavenCentral()
}
dependencies {
// Spring Boot
implementation 'org.springframework.boot:spring-boot-starter-web'
implementation 'org.springframework.boot:spring-boot-starter-jdbc'
implementation 'org.springframework.boot:spring-boot-starter-security'
implementation 'org.springframework.boot:spring-boot-starter-data-redis'
implementation 'org.springframework.boot:spring-boot-starter-validation'
// Oracle JDBC + Security (Wallet support for Oracle ADB)
implementation 'com.oracle.database.jdbc:ojdbc11:23.7.0.25.01'
implementation 'com.oracle.database.security:oraclepki:23.7.0.25.01'
// JWT
implementation 'io.jsonwebtoken:jjwt-api:0.12.6'
runtimeOnly 'io.jsonwebtoken:jjwt-impl:0.12.6'
runtimeOnly 'io.jsonwebtoken:jjwt-jackson:0.12.6'
// Google OAuth2 token verification
implementation 'com.google.api-client:google-api-client:2.7.0'
// OCI SDK (GenAI for LLM + Embeddings)
implementation 'com.oracle.oci.sdk:oci-java-sdk-generativeaiinference:3.49.0'
implementation 'com.oracle.oci.sdk:oci-java-sdk-common:3.49.0'
// Jackson for JSON
implementation 'com.fasterxml.jackson.core:jackson-databind'
implementation 'com.fasterxml.jackson.datatype:jackson-datatype-jsr310'
// YouTube Transcript API (Java port of youtube-transcript-api)
implementation 'io.github.thoroldvix:youtube-transcript-api:0.4.0'
// Playwright (browser-based transcript fallback)
implementation 'com.microsoft.playwright:playwright:1.49.0'
// HTTP client for YouTube/Google APIs
implementation 'org.springframework.boot:spring-boot-starter-webflux'
// Lombok
compileOnly 'org.projectlombok:lombok'
annotationProcessor 'org.projectlombok:lombok'
// Test
testImplementation 'org.springframework.boot:spring-boot-starter-test'
}
tasks.named('test') {
useJUnitPlatform()
}

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distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-8.10.2-bin.zip
networkTimeout=10000
validateDistributionUrl=true
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists

248
backend-java/gradlew vendored Executable file
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#!/bin/sh
#
# Copyright © 2015 the original authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# SPDX-License-Identifier: Apache-2.0
#
##############################################################################
#
# Gradle start up script for POSIX generated by Gradle.
#
# Important for running:
#
# (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is
# noncompliant, but you have some other compliant shell such as ksh or
# bash, then to run this script, type that shell name before the whole
# command line, like:
#
# ksh Gradle
#
# Busybox and similar reduced shells will NOT work, because this script
# requires all of these POSIX shell features:
# * functions;
# * expansions «$var», «${var}», «${var:-default}», «${var+SET}»,
# «${var#prefix}», «${var%suffix}», and «$( cmd )»;
# * compound commands having a testable exit status, especially «case»;
# * various built-in commands including «command», «set», and «ulimit».
#
# Important for patching:
#
# (2) This script targets any POSIX shell, so it avoids extensions provided
# by Bash, Ksh, etc; in particular arrays are avoided.
#
# The "traditional" practice of packing multiple parameters into a
# space-separated string is a well documented source of bugs and security
# problems, so this is (mostly) avoided, by progressively accumulating
# options in "$@", and eventually passing that to Java.
#
# Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS,
# and GRADLE_OPTS) rely on word-splitting, this is performed explicitly;
# see the in-line comments for details.
#
# There are tweaks for specific operating systems such as AIX, CygWin,
# Darwin, MinGW, and NonStop.
#
# (3) This script is generated from the Groovy template
# https://github.com/gradle/gradle/blob/b631911858264c0b6e4d6603d677ff5218766cee/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
# within the Gradle project.
#
# You can find Gradle at https://github.com/gradle/gradle/.
#
##############################################################################
# Attempt to set APP_HOME
# Resolve links: $0 may be a link
app_path=$0
# Need this for daisy-chained symlinks.
while
APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path
[ -h "$app_path" ]
do
ls=$( ls -ld "$app_path" )
link=${ls#*' -> '}
case $link in #(
/*) app_path=$link ;; #(
*) app_path=$APP_HOME$link ;;
esac
done
# This is normally unused
# shellcheck disable=SC2034
APP_BASE_NAME=${0##*/}
# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)
APP_HOME=$( cd -P "${APP_HOME:-./}" > /dev/null && printf '%s\n' "$PWD" ) || exit
# Use the maximum available, or set MAX_FD != -1 to use that value.
MAX_FD=maximum
warn () {
echo "$*"
} >&2
die () {
echo
echo "$*"
echo
exit 1
} >&2
# OS specific support (must be 'true' or 'false').
cygwin=false
msys=false
darwin=false
nonstop=false
case "$( uname )" in #(
CYGWIN* ) cygwin=true ;; #(
Darwin* ) darwin=true ;; #(
MSYS* | MINGW* ) msys=true ;; #(
NONSTOP* ) nonstop=true ;;
esac
# Determine the Java command to use to start the JVM.
if [ -n "$JAVA_HOME" ] ; then
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
# IBM's JDK on AIX uses strange locations for the executables
JAVACMD=$JAVA_HOME/jre/sh/java
else
JAVACMD=$JAVA_HOME/bin/java
fi
if [ ! -x "$JAVACMD" ] ; then
die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
else
JAVACMD=java
if ! command -v java >/dev/null 2>&1
then
die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
fi
# Increase the maximum file descriptors if we can.
if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
case $MAX_FD in #(
max*)
# In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
# shellcheck disable=SC2039,SC3045
MAX_FD=$( ulimit -H -n ) ||
warn "Could not query maximum file descriptor limit"
esac
case $MAX_FD in #(
'' | soft) :;; #(
*)
# In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
# shellcheck disable=SC2039,SC3045
ulimit -n "$MAX_FD" ||
warn "Could not set maximum file descriptor limit to $MAX_FD"
esac
fi
# Collect all arguments for the java command, stacking in reverse order:
# * args from the command line
# * the main class name
# * -classpath
# * -D...appname settings
# * --module-path (only if needed)
# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables.
# For Cygwin or MSYS, switch paths to Windows format before running java
if "$cygwin" || "$msys" ; then
APP_HOME=$( cygpath --path --mixed "$APP_HOME" )
JAVACMD=$( cygpath --unix "$JAVACMD" )
# Now convert the arguments - kludge to limit ourselves to /bin/sh
for arg do
if
case $arg in #(
-*) false ;; # don't mess with options #(
/?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath
[ -e "$t" ] ;; #(
*) false ;;
esac
then
arg=$( cygpath --path --ignore --mixed "$arg" )
fi
# Roll the args list around exactly as many times as the number of
# args, so each arg winds up back in the position where it started, but
# possibly modified.
#
# NB: a `for` loop captures its iteration list before it begins, so
# changing the positional parameters here affects neither the number of
# iterations, nor the values presented in `arg`.
shift # remove old arg
set -- "$@" "$arg" # push replacement arg
done
fi
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
# Collect all arguments for the java command:
# * DEFAULT_JVM_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,
# and any embedded shellness will be escaped.
# * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be
# treated as '${Hostname}' itself on the command line.
set -- \
"-Dorg.gradle.appname=$APP_BASE_NAME" \
-jar "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" \
"$@"
# Stop when "xargs" is not available.
if ! command -v xargs >/dev/null 2>&1
then
die "xargs is not available"
fi
# Use "xargs" to parse quoted args.
#
# With -n1 it outputs one arg per line, with the quotes and backslashes removed.
#
# In Bash we could simply go:
#
# readarray ARGS < <( xargs -n1 <<<"$var" ) &&
# set -- "${ARGS[@]}" "$@"
#
# but POSIX shell has neither arrays nor command substitution, so instead we
# post-process each arg (as a line of input to sed) to backslash-escape any
# character that might be a shell metacharacter, then use eval to reverse
# that process (while maintaining the separation between arguments), and wrap
# the whole thing up as a single "set" statement.
#
# This will of course break if any of these variables contains a newline or
# an unmatched quote.
#
eval "set -- $(
printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" |
xargs -n1 |
sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' |
tr '\n' ' '
)" '"$@"'
exec "$JAVACMD" "$@"

93
backend-java/gradlew.bat vendored Normal file
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@rem
@rem Copyright 2015 the original author or authors.
@rem
@rem Licensed under the Apache License, Version 2.0 (the "License");
@rem you may not use this file except in compliance with the License.
@rem You may obtain a copy of the License at
@rem
@rem https://www.apache.org/licenses/LICENSE-2.0
@rem
@rem Unless required by applicable law or agreed to in writing, software
@rem distributed under the License is distributed on an "AS IS" BASIS,
@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@rem See the License for the specific language governing permissions and
@rem limitations under the License.
@rem
@rem SPDX-License-Identifier: Apache-2.0
@rem
@if "%DEBUG%"=="" @echo off
@rem ##########################################################################
@rem
@rem Gradle startup script for Windows
@rem
@rem ##########################################################################
@rem Set local scope for the variables with windows NT shell
if "%OS%"=="Windows_NT" setlocal
set DIRNAME=%~dp0
if "%DIRNAME%"=="" set DIRNAME=.
@rem This is normally unused
set APP_BASE_NAME=%~n0
set APP_HOME=%DIRNAME%
@rem Resolve any "." and ".." in APP_HOME to make it shorter.
for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
@rem Find java.exe
if defined JAVA_HOME goto findJavaFromJavaHome
set JAVA_EXE=java.exe
%JAVA_EXE% -version >NUL 2>&1
if %ERRORLEVEL% equ 0 goto execute
echo. 1>&2
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2
echo. 1>&2
echo Please set the JAVA_HOME variable in your environment to match the 1>&2
echo location of your Java installation. 1>&2
goto fail
:findJavaFromJavaHome
set JAVA_HOME=%JAVA_HOME:"=%
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
if exist "%JAVA_EXE%" goto execute
echo. 1>&2
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2
echo. 1>&2
echo Please set the JAVA_HOME variable in your environment to match the 1>&2
echo location of your Java installation. 1>&2
goto fail
:execute
@rem Setup the command line
@rem Execute Gradle
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -jar "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" %*
:end
@rem End local scope for the variables with windows NT shell
if %ERRORLEVEL% equ 0 goto mainEnd
:fail
rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
rem the _cmd.exe /c_ return code!
set EXIT_CODE=%ERRORLEVEL%
if %EXIT_CODE% equ 0 set EXIT_CODE=1
if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE%
exit /b %EXIT_CODE%
:mainEnd
if "%OS%"=="Windows_NT" endlocal
:omega

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rootProject.name = 'tasteby-api'

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package com.tasteby;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.scheduling.annotation.EnableAsync;
import org.springframework.scheduling.annotation.EnableScheduling;
@SpringBootApplication
@EnableAsync
@EnableScheduling
public class TastebyApplication {
public static void main(String[] args) {
SpringApplication.run(TastebyApplication.class, args);
}
}

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package com.tasteby.config;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Configuration;
import jakarta.annotation.PostConstruct;
@Configuration
public class DataSourceConfig {
@Value("${app.oracle.wallet-path:}")
private String walletPath;
@PostConstruct
public void configureWallet() {
if (walletPath != null && !walletPath.isBlank()) {
System.setProperty("oracle.net.tns_admin", walletPath);
System.setProperty("oracle.net.wallet_location", walletPath);
}
}
}

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package com.tasteby.config;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import org.springframework.web.server.ResponseStatusException;
import java.util.Map;
@RestControllerAdvice
public class GlobalExceptionHandler {
private static final Logger log = LoggerFactory.getLogger(GlobalExceptionHandler.class);
@ExceptionHandler(ResponseStatusException.class)
public ResponseEntity<Map<String, Object>> handleStatus(ResponseStatusException ex) {
return ResponseEntity.status(ex.getStatusCode())
.body(Map.of("detail", ex.getReason() != null ? ex.getReason() : "Error"));
}
@ExceptionHandler(Exception.class)
public ResponseEntity<Map<String, Object>> handleGeneral(Exception ex) {
log.error("Unhandled exception", ex);
return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR)
.body(Map.of("detail", "Internal server error"));
}
}

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package com.tasteby.config;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.StringRedisTemplate;
@Configuration
public class RedisConfig {
@Bean
public StringRedisTemplate stringRedisTemplate(RedisConnectionFactory connectionFactory) {
return new StringRedisTemplate(connectionFactory);
}
}

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package com.tasteby.config;
import com.tasteby.security.JwtAuthenticationFilter;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.HttpMethod;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configurers.AbstractHttpConfigurer;
import org.springframework.security.config.http.SessionCreationPolicy;
import org.springframework.security.web.SecurityFilterChain;
import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;
@Configuration
@EnableWebSecurity
public class SecurityConfig {
private final JwtAuthenticationFilter jwtFilter;
public SecurityConfig(JwtAuthenticationFilter jwtFilter) {
this.jwtFilter = jwtFilter;
}
@Bean
public SecurityFilterChain filterChain(HttpSecurity http) throws Exception {
http
.csrf(AbstractHttpConfigurer::disable)
.sessionManagement(sm -> sm.sessionCreationPolicy(SessionCreationPolicy.STATELESS))
.authorizeHttpRequests(auth -> auth
// Public endpoints
.requestMatchers("/api/health").permitAll()
.requestMatchers("/api/auth/**").permitAll()
.requestMatchers(HttpMethod.GET, "/api/restaurants/**").permitAll()
.requestMatchers(HttpMethod.GET, "/api/channels").permitAll()
.requestMatchers(HttpMethod.GET, "/api/search").permitAll()
.requestMatchers(HttpMethod.GET, "/api/restaurants/*/reviews").permitAll()
.requestMatchers("/api/stats/**").permitAll()
.requestMatchers(HttpMethod.GET, "/api/daemon/config").permitAll()
// Everything else requires authentication (controller-level admin checks)
.anyRequest().authenticated()
)
.addFilterBefore(jwtFilter, UsernamePasswordAuthenticationFilter.class);
return http.build();
}
}

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package com.tasteby.config;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
@Configuration
public class WebConfig implements WebMvcConfigurer {
@Value("${app.cors.allowed-origins}")
private String allowedOrigins;
@Override
public void addCorsMappings(CorsRegistry registry) {
registry.addMapping("/api/**")
.allowedOrigins(allowedOrigins.split(","))
.allowedMethods("GET", "POST", "PUT", "DELETE", "OPTIONS")
.allowedHeaders("*")
.allowCredentials(true);
}
}

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package com.tasteby.controller;
import com.tasteby.repository.UserRepository;
import com.tasteby.repository.ReviewRepository;
import com.tasteby.util.JsonUtil;
import org.springframework.jdbc.core.namedparam.MapSqlParameterSource;
import org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate;
import org.springframework.web.bind.annotation.*;
import java.util.List;
import java.util.Map;
@RestController
@RequestMapping("/api/admin/users")
public class AdminUserController {
private final UserRepository userRepo;
private final NamedParameterJdbcTemplate jdbc;
public AdminUserController(UserRepository userRepo, NamedParameterJdbcTemplate jdbc) {
this.userRepo = userRepo;
this.jdbc = jdbc;
}
@GetMapping
public Map<String, Object> listUsers(
@RequestParam(defaultValue = "50") int limit,
@RequestParam(defaultValue = "0") int offset) {
var users = userRepo.findAllWithCounts(limit, offset);
int total = userRepo.countAll();
return Map.of("users", users, "total", total);
}
@GetMapping("/{userId}/favorites")
public List<Map<String, Object>> userFavorites(@PathVariable String userId) {
String sql = """
SELECT r.id, r.name, r.address, r.region, r.cuisine_type,
r.rating, r.business_status, f.created_at
FROM user_favorites f
JOIN restaurants r ON r.id = f.restaurant_id
WHERE f.user_id = :u ORDER BY f.created_at DESC
""";
return jdbc.queryForList(sql, new MapSqlParameterSource("u", userId));
}
@GetMapping("/{userId}/reviews")
public List<Map<String, Object>> userReviews(@PathVariable String userId) {
String sql = """
SELECT r.id, r.restaurant_id, r.rating, r.review_text,
r.visited_at, r.created_at, rest.name AS restaurant_name
FROM user_reviews r
LEFT JOIN restaurants rest ON rest.id = r.restaurant_id
WHERE r.user_id = :u ORDER BY r.created_at DESC
""";
var rows = jdbc.queryForList(sql, new MapSqlParameterSource("u", userId));
rows.forEach(r -> {
Object text = r.get("REVIEW_TEXT");
r.put("REVIEW_TEXT", JsonUtil.readClob(text));
});
return rows;
}
}

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package com.tasteby.controller;
import com.tasteby.security.AuthUtil;
import com.tasteby.service.AuthService;
import org.springframework.web.bind.annotation.*;
import java.util.Map;
@RestController
@RequestMapping("/api/auth")
public class AuthController {
private final AuthService authService;
public AuthController(AuthService authService) {
this.authService = authService;
}
@PostMapping("/google")
public Map<String, Object> loginGoogle(@RequestBody Map<String, String> body) {
String idToken = body.get("id_token");
return authService.loginGoogle(idToken);
}
@GetMapping("/me")
public Map<String, Object> me() {
String userId = AuthUtil.getUserId();
return authService.getCurrentUser(userId);
}
}

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package com.tasteby.controller;
import com.tasteby.repository.ChannelRepository;
import com.tasteby.security.AuthUtil;
import com.tasteby.service.CacheService;
import org.springframework.http.HttpStatus;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.server.ResponseStatusException;
import java.util.List;
import java.util.Map;
@RestController
@RequestMapping("/api/channels")
public class ChannelController {
private final ChannelRepository repo;
private final CacheService cache;
public ChannelController(ChannelRepository repo, CacheService cache) {
this.repo = repo;
this.cache = cache;
}
@GetMapping
public List<Map<String, Object>> list() {
String key = cache.makeKey("channels");
String cached = cache.getRaw(key);
if (cached != null) {
try {
var mapper = new com.fasterxml.jackson.databind.ObjectMapper();
return mapper.readValue(cached,
new com.fasterxml.jackson.core.type.TypeReference<>() {});
} catch (Exception ignored) {}
}
var result = repo.findAllActive();
cache.set(key, result);
return result;
}
@PostMapping
@ResponseStatus(HttpStatus.CREATED)
public Map<String, Object> create(@RequestBody Map<String, String> body) {
AuthUtil.requireAdmin();
String channelId = body.get("channel_id");
String channelName = body.get("channel_name");
String titleFilter = body.get("title_filter");
try {
String id = repo.create(channelId, channelName, titleFilter);
cache.flush();
return Map.of("id", id, "channel_id", channelId);
} catch (Exception e) {
if (e.getMessage() != null && e.getMessage().toUpperCase().contains("UQ_CHANNELS_CID")) {
throw new ResponseStatusException(HttpStatus.CONFLICT, "Channel already exists");
}
throw e;
}
}
@DeleteMapping("/{channelId}")
public Map<String, Object> delete(@PathVariable String channelId) {
AuthUtil.requireAdmin();
if (!repo.deactivate(channelId)) {
throw new ResponseStatusException(HttpStatus.NOT_FOUND, "Channel not found");
}
cache.flush();
return Map.of("ok", true);
}
}

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package com.tasteby.controller;
import com.tasteby.security.AuthUtil;
import org.springframework.jdbc.core.namedparam.MapSqlParameterSource;
import org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate;
import org.springframework.web.bind.annotation.*;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.Map;
@RestController
@RequestMapping("/api/daemon")
public class DaemonController {
private final NamedParameterJdbcTemplate jdbc;
public DaemonController(NamedParameterJdbcTemplate jdbc) {
this.jdbc = jdbc;
}
@GetMapping("/config")
public Map<String, Object> getConfig() {
String sql = """
SELECT scan_enabled, scan_interval_min, process_enabled, process_interval_min,
process_limit, last_scan_at, last_process_at, updated_at
FROM daemon_config WHERE id = 1
""";
var rows = jdbc.queryForList(sql, new MapSqlParameterSource());
if (rows.isEmpty()) return Map.of();
var row = rows.getFirst();
var result = new LinkedHashMap<String, Object>();
result.put("scan_enabled", toInt(row.get("SCAN_ENABLED")) == 1);
result.put("scan_interval_min", row.get("SCAN_INTERVAL_MIN"));
result.put("process_enabled", toInt(row.get("PROCESS_ENABLED")) == 1);
result.put("process_interval_min", row.get("PROCESS_INTERVAL_MIN"));
result.put("process_limit", row.get("PROCESS_LIMIT"));
result.put("last_scan_at", row.get("LAST_SCAN_AT") != null ? row.get("LAST_SCAN_AT").toString() : null);
result.put("last_process_at", row.get("LAST_PROCESS_AT") != null ? row.get("LAST_PROCESS_AT").toString() : null);
result.put("updated_at", row.get("UPDATED_AT") != null ? row.get("UPDATED_AT").toString() : null);
return result;
}
@PutMapping("/config")
public Map<String, Object> updateConfig(@RequestBody Map<String, Object> body) {
AuthUtil.requireAdmin();
var sets = new ArrayList<String>();
var params = new MapSqlParameterSource();
if (body.containsKey("scan_enabled")) {
sets.add("scan_enabled = :se");
params.addValue("se", Boolean.TRUE.equals(body.get("scan_enabled")) ? 1 : 0);
}
if (body.containsKey("scan_interval_min")) {
sets.add("scan_interval_min = :si");
params.addValue("si", ((Number) body.get("scan_interval_min")).intValue());
}
if (body.containsKey("process_enabled")) {
sets.add("process_enabled = :pe");
params.addValue("pe", Boolean.TRUE.equals(body.get("process_enabled")) ? 1 : 0);
}
if (body.containsKey("process_interval_min")) {
sets.add("process_interval_min = :pi");
params.addValue("pi", ((Number) body.get("process_interval_min")).intValue());
}
if (body.containsKey("process_limit")) {
sets.add("process_limit = :pl");
params.addValue("pl", ((Number) body.get("process_limit")).intValue());
}
if (!sets.isEmpty()) {
sets.add("updated_at = SYSTIMESTAMP");
String sql = "UPDATE daemon_config SET " + String.join(", ", sets) + " WHERE id = 1";
jdbc.update(sql, params);
}
return Map.of("ok", true);
}
private int toInt(Object val) {
if (val == null) return 0;
return ((Number) val).intValue();
}
}

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package com.tasteby.controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
import java.util.Map;
@RestController
public class HealthController {
@GetMapping("/api/health")
public Map<String, String> health() {
return Map.of("status", "ok");
}
}

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package com.tasteby.controller;
import com.tasteby.repository.RestaurantRepository;
import com.tasteby.security.AuthUtil;
import com.tasteby.service.CacheService;
import org.springframework.http.HttpStatus;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.server.ResponseStatusException;
import java.util.List;
import java.util.Map;
@RestController
@RequestMapping("/api/restaurants")
public class RestaurantController {
private final RestaurantRepository repo;
private final CacheService cache;
public RestaurantController(RestaurantRepository repo, CacheService cache) {
this.repo = repo;
this.cache = cache;
}
@GetMapping
public List<Map<String, Object>> list(
@RequestParam(defaultValue = "100") int limit,
@RequestParam(defaultValue = "0") int offset,
@RequestParam(required = false) String cuisine,
@RequestParam(required = false) String region,
@RequestParam(required = false) String channel) {
if (limit > 500) limit = 500;
String key = cache.makeKey("restaurants", "l=" + limit, "o=" + offset,
"c=" + cuisine, "r=" + region, "ch=" + channel);
String cached = cache.getRaw(key);
if (cached != null) {
try {
var mapper = new com.fasterxml.jackson.databind.ObjectMapper();
return mapper.readValue(cached,
new com.fasterxml.jackson.core.type.TypeReference<>() {});
} catch (Exception ignored) {}
}
var result = repo.findAll(limit, offset, cuisine, region, channel);
cache.set(key, result);
return result;
}
@GetMapping("/{id}")
public Map<String, Object> get(@PathVariable String id) {
String key = cache.makeKey("restaurant", id);
String cached = cache.getRaw(key);
if (cached != null) {
try {
var mapper = new com.fasterxml.jackson.databind.ObjectMapper();
return mapper.readValue(cached,
new com.fasterxml.jackson.core.type.TypeReference<>() {});
} catch (Exception ignored) {}
}
var r = repo.findById(id);
if (r == null) throw new ResponseStatusException(HttpStatus.NOT_FOUND, "Restaurant not found");
cache.set(key, r);
return r;
}
@PutMapping("/{id}")
public Map<String, Object> update(@PathVariable String id, @RequestBody Map<String, Object> body) {
AuthUtil.requireAdmin();
var r = repo.findById(id);
if (r == null) throw new ResponseStatusException(HttpStatus.NOT_FOUND, "Restaurant not found");
repo.update(id, body);
cache.flush();
return Map.of("ok", true);
}
@DeleteMapping("/{id}")
public Map<String, Object> delete(@PathVariable String id) {
AuthUtil.requireAdmin();
var r = repo.findById(id);
if (r == null) throw new ResponseStatusException(HttpStatus.NOT_FOUND, "Restaurant not found");
repo.delete(id);
cache.flush();
return Map.of("ok", true);
}
@GetMapping("/{id}/videos")
public List<Map<String, Object>> videos(@PathVariable String id) {
String key = cache.makeKey("restaurant_videos", id);
String cached = cache.getRaw(key);
if (cached != null) {
try {
var mapper = new com.fasterxml.jackson.databind.ObjectMapper();
return mapper.readValue(cached,
new com.fasterxml.jackson.core.type.TypeReference<>() {});
} catch (Exception ignored) {}
}
var r = repo.findById(id);
if (r == null) throw new ResponseStatusException(HttpStatus.NOT_FOUND, "Restaurant not found");
var result = repo.findVideoLinks(id);
cache.set(key, result);
return result;
}
}

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package com.tasteby.controller;
import com.tasteby.repository.ReviewRepository;
import com.tasteby.security.AuthUtil;
import org.springframework.http.HttpStatus;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.server.ResponseStatusException;
import java.time.LocalDate;
import java.util.List;
import java.util.Map;
@RestController
@RequestMapping("/api")
public class ReviewController {
private final ReviewRepository repo;
public ReviewController(ReviewRepository repo) {
this.repo = repo;
}
@GetMapping("/restaurants/{restaurantId}/reviews")
public Map<String, Object> listRestaurantReviews(
@PathVariable String restaurantId,
@RequestParam(defaultValue = "20") int limit,
@RequestParam(defaultValue = "0") int offset) {
var reviews = repo.findByRestaurant(restaurantId, limit, offset);
var stats = repo.getAvgRating(restaurantId);
return Map.of("reviews", reviews, "avg_rating", stats.get("avg_rating"),
"review_count", stats.get("review_count"));
}
@PostMapping("/restaurants/{restaurantId}/reviews")
@ResponseStatus(HttpStatus.CREATED)
public Map<String, Object> createReview(
@PathVariable String restaurantId,
@RequestBody Map<String, Object> body) {
String userId = AuthUtil.getUserId();
double rating = ((Number) body.get("rating")).doubleValue();
String text = (String) body.get("review_text");
LocalDate visitedAt = body.get("visited_at") != null
? LocalDate.parse((String) body.get("visited_at")) : null;
return repo.create(userId, restaurantId, rating, text, visitedAt);
}
@PutMapping("/reviews/{reviewId}")
public Map<String, Object> updateReview(
@PathVariable String reviewId,
@RequestBody Map<String, Object> body) {
String userId = AuthUtil.getUserId();
Double rating = body.get("rating") != null
? ((Number) body.get("rating")).doubleValue() : null;
String text = (String) body.get("review_text");
LocalDate visitedAt = body.get("visited_at") != null
? LocalDate.parse((String) body.get("visited_at")) : null;
var result = repo.update(reviewId, userId, rating, text, visitedAt);
if (result == null) {
throw new ResponseStatusException(HttpStatus.NOT_FOUND, "Review not found or not yours");
}
return result;
}
@DeleteMapping("/reviews/{reviewId}")
@ResponseStatus(HttpStatus.NO_CONTENT)
public void deleteReview(@PathVariable String reviewId) {
String userId = AuthUtil.getUserId();
if (!repo.delete(reviewId, userId)) {
throw new ResponseStatusException(HttpStatus.NOT_FOUND, "Review not found or not yours");
}
}
@GetMapping("/users/me/reviews")
public List<Map<String, Object>> myReviews(
@RequestParam(defaultValue = "20") int limit,
@RequestParam(defaultValue = "0") int offset) {
return repo.findByUser(AuthUtil.getUserId(), limit, offset);
}
// Favorites
@GetMapping("/restaurants/{restaurantId}/favorite")
public Map<String, Object> favoriteStatus(@PathVariable String restaurantId) {
return Map.of("favorited", repo.isFavorited(AuthUtil.getUserId(), restaurantId));
}
@PostMapping("/restaurants/{restaurantId}/favorite")
public Map<String, Object> toggleFavorite(@PathVariable String restaurantId) {
boolean result = repo.toggleFavorite(AuthUtil.getUserId(), restaurantId);
return Map.of("favorited", result);
}
@GetMapping("/users/me/favorites")
public List<Map<String, Object>> myFavorites() {
return repo.getUserFavorites(AuthUtil.getUserId());
}
}

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package com.tasteby.controller;
import com.tasteby.service.SearchService;
import org.springframework.web.bind.annotation.*;
import java.util.List;
import java.util.Map;
@RestController
@RequestMapping("/api/search")
public class SearchController {
private final SearchService searchService;
public SearchController(SearchService searchService) {
this.searchService = searchService;
}
@GetMapping
public List<Map<String, Object>> search(
@RequestParam String q,
@RequestParam(defaultValue = "keyword") String mode,
@RequestParam(defaultValue = "20") int limit) {
if (limit > 100) limit = 100;
return searchService.search(q, mode, limit);
}
}

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package com.tasteby.controller;
import com.tasteby.repository.StatsRepository;
import org.springframework.web.bind.annotation.*;
import java.util.Map;
@RestController
@RequestMapping("/api/stats")
public class StatsController {
private final StatsRepository repo;
public StatsController(StatsRepository repo) {
this.repo = repo;
}
@PostMapping("/visit")
public Map<String, Object> recordVisit() {
repo.recordVisit();
return Map.of("ok", true);
}
@GetMapping("/visits")
public Map<String, Object> getVisits() {
return repo.getVisits();
}
}

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package com.tasteby.controller;
import com.tasteby.repository.VideoRepository;
import com.tasteby.security.AuthUtil;
import com.tasteby.service.CacheService;
import org.springframework.http.HttpStatus;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.server.ResponseStatusException;
import java.util.List;
import java.util.Map;
@RestController
@RequestMapping("/api/videos")
public class VideoController {
private final VideoRepository repo;
private final CacheService cache;
public VideoController(VideoRepository repo, CacheService cache) {
this.repo = repo;
this.cache = cache;
}
@GetMapping
public List<Map<String, Object>> list(@RequestParam(required = false) String status) {
return repo.findAll(status);
}
@GetMapping("/{id}")
public Map<String, Object> detail(@PathVariable String id) {
var video = repo.findDetail(id);
if (video == null) throw new ResponseStatusException(HttpStatus.NOT_FOUND, "Video not found");
return video;
}
@PutMapping("/{id}")
public Map<String, Object> updateTitle(@PathVariable String id, @RequestBody Map<String, String> body) {
AuthUtil.requireAdmin();
String title = body.get("title");
if (title == null || title.isBlank()) {
throw new ResponseStatusException(HttpStatus.BAD_REQUEST, "title is required");
}
repo.updateTitle(id, title);
cache.flush();
return Map.of("ok", true);
}
@PostMapping("/{id}/skip")
public Map<String, Object> skip(@PathVariable String id) {
AuthUtil.requireAdmin();
repo.updateStatus(id, "skip");
cache.flush();
return Map.of("ok", true);
}
@DeleteMapping("/{id}")
public Map<String, Object> delete(@PathVariable String id) {
AuthUtil.requireAdmin();
repo.delete(id);
cache.flush();
return Map.of("ok", true);
}
@DeleteMapping("/{videoId}/restaurants/{restaurantId}")
public Map<String, Object> deleteVideoRestaurant(
@PathVariable String videoId, @PathVariable String restaurantId) {
AuthUtil.requireAdmin();
repo.deleteVideoRestaurant(videoId, restaurantId);
cache.flush();
return Map.of("ok", true);
}
// NOTE: SSE streaming endpoints (bulk-transcript, bulk-extract, remap-cuisine,
// remap-foods, rebuild-vectors) and process/extract/fetch-transcript endpoints
// will be added in VideoSseController after core pipeline services are migrated.
}

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package com.tasteby.controller;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.tasteby.security.AuthUtil;
import com.tasteby.service.*;
import com.tasteby.util.CuisineTypes;
import com.tasteby.util.JsonUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.jdbc.core.namedparam.MapSqlParameterSource;
import org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.servlet.mvc.method.annotation.SseEmitter;
import java.util.*;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
/**
* SSE streaming endpoints for bulk operations.
*/
@RestController
@RequestMapping("/api/videos")
public class VideoSseController {
private static final Logger log = LoggerFactory.getLogger(VideoSseController.class);
private final NamedParameterJdbcTemplate jdbc;
private final PipelineService pipelineService;
private final OciGenAiService genAi;
private final CacheService cache;
private final ObjectMapper mapper;
private final ExecutorService executor = Executors.newVirtualThreadPerTaskExecutor();
public VideoSseController(NamedParameterJdbcTemplate jdbc,
PipelineService pipelineService,
OciGenAiService genAi,
CacheService cache,
ObjectMapper mapper) {
this.jdbc = jdbc;
this.pipelineService = pipelineService;
this.genAi = genAi;
this.cache = cache;
this.mapper = mapper;
}
@PostMapping("/bulk-transcript")
public SseEmitter bulkTranscript() {
AuthUtil.requireAdmin();
SseEmitter emitter = new SseEmitter(600_000L); // 10 min timeout
executor.execute(() -> {
try {
// TODO: Implement when transcript extraction is available in Java
emit(emitter, Map.of("type", "start", "total", 0));
emit(emitter, Map.of("type", "complete", "total", 0, "success", 0));
emitter.complete();
} catch (Exception e) {
log.error("Bulk transcript error", e);
emitter.completeWithError(e);
}
});
return emitter;
}
@PostMapping("/bulk-extract")
public SseEmitter bulkExtract() {
AuthUtil.requireAdmin();
SseEmitter emitter = new SseEmitter(600_000L);
executor.execute(() -> {
try {
String sql = """
SELECT v.id, v.video_id, v.title, v.url, v.transcript_text
FROM videos v
WHERE v.transcript_text IS NOT NULL
AND dbms_lob.getlength(v.transcript_text) > 0
AND (v.llm_raw_response IS NULL OR dbms_lob.getlength(v.llm_raw_response) = 0)
AND v.status != 'skip'
ORDER BY v.published_at DESC
""";
var rows = jdbc.query(sql, new MapSqlParameterSource(), (rs, rowNum) -> {
Map<String, Object> m = new LinkedHashMap<>();
m.put("id", rs.getString("ID"));
m.put("video_id", rs.getString("VIDEO_ID"));
m.put("title", rs.getString("TITLE"));
m.put("url", rs.getString("URL"));
m.put("transcript", JsonUtil.readClob(rs.getObject("TRANSCRIPT_TEXT")));
return m;
});
int total = rows.size();
int totalRestaurants = 0;
emit(emitter, Map.of("type", "start", "total", total));
for (int i = 0; i < total; i++) {
var v = rows.get(i);
if (i > 0) {
long delay = (long) (3000 + Math.random() * 5000);
emit(emitter, Map.of("type", "wait", "index", i, "delay", delay / 1000.0));
Thread.sleep(delay);
}
emit(emitter, Map.of("type", "processing", "index", i, "title", v.get("title")));
try {
int count = pipelineService.processExtract(v, (String) v.get("transcript"), null);
totalRestaurants += count;
emit(emitter, Map.of("type", "done", "index", i, "title", v.get("title"), "restaurants", count));
} catch (Exception e) {
log.error("Bulk extract error for {}: {}", v.get("video_id"), e.getMessage());
emit(emitter, Map.of("type", "error", "index", i, "title", v.get("title"), "message", e.getMessage()));
}
}
if (totalRestaurants > 0) cache.flush();
emit(emitter, Map.of("type", "complete", "total", total, "total_restaurants", totalRestaurants));
emitter.complete();
} catch (Exception e) {
log.error("Bulk extract error", e);
emitter.completeWithError(e);
}
});
return emitter;
}
@PostMapping("/remap-cuisine")
@SuppressWarnings("unchecked")
public SseEmitter remapCuisine() {
AuthUtil.requireAdmin();
SseEmitter emitter = new SseEmitter(600_000L);
int BATCH = 20;
executor.execute(() -> {
try {
String sql = """
SELECT r.id, r.name, r.cuisine_type,
(SELECT LISTAGG(vr.foods_mentioned, '|') WITHIN GROUP (ORDER BY vr.id)
FROM video_restaurants vr WHERE vr.restaurant_id = r.id) AS foods
FROM restaurants r
WHERE EXISTS (SELECT 1 FROM video_restaurants vr2 WHERE vr2.restaurant_id = r.id)
ORDER BY r.name
""";
var rows = jdbc.query(sql, new MapSqlParameterSource(), (rs, rowNum) -> {
Map<String, Object> m = new LinkedHashMap<>();
m.put("id", rs.getString("ID"));
m.put("name", rs.getString("NAME"));
m.put("cuisine_type", rs.getString("CUISINE_TYPE"));
m.put("foods_mentioned", JsonUtil.readClob(rs.getObject("FOODS")));
return m;
});
int total = rows.size();
emit(emitter, Map.of("type", "start", "total", total));
int updated = 0;
var allMissed = new ArrayList<Map<String, Object>>();
// Pass 1
for (int i = 0; i < total; i += BATCH) {
var batch = rows.subList(i, Math.min(i + BATCH, total));
emit(emitter, Map.of("type", "processing", "current", Math.min(i + BATCH, total), "total", total, "pass", 1));
try {
var result = applyRemapBatch(batch);
updated += result.updated;
allMissed.addAll(result.missed);
emit(emitter, Map.of("type", "batch_done", "current", Math.min(i + BATCH, total), "total", total, "updated", updated, "missed", allMissed.size()));
} catch (Exception e) {
allMissed.addAll(batch);
emit(emitter, Map.of("type", "error", "message", e.getMessage(), "current", i));
}
}
// Pass 2: retry missed
if (!allMissed.isEmpty()) {
emit(emitter, Map.of("type", "retry", "missed", allMissed.size()));
for (int i = 0; i < allMissed.size(); i += 10) {
var batch = allMissed.subList(i, Math.min(i + 10, allMissed.size()));
try {
var result = applyRemapBatch(batch);
updated += result.updated;
} catch (Exception ignored) {}
}
}
cache.flush();
emit(emitter, Map.of("type", "complete", "total", total, "updated", updated));
emitter.complete();
} catch (Exception e) {
emitter.completeWithError(e);
}
});
return emitter;
}
@PostMapping("/remap-foods")
@SuppressWarnings("unchecked")
public SseEmitter remapFoods() {
AuthUtil.requireAdmin();
SseEmitter emitter = new SseEmitter(600_000L);
int BATCH = 15;
executor.execute(() -> {
try {
String sql = """
SELECT vr.id, r.name, r.cuisine_type, vr.foods_mentioned, v.title
FROM video_restaurants vr
JOIN restaurants r ON r.id = vr.restaurant_id
JOIN videos v ON v.id = vr.video_id ORDER BY r.name
""";
var rows = jdbc.query(sql, new MapSqlParameterSource(), (rs, rowNum) -> {
Map<String, Object> m = new LinkedHashMap<>();
m.put("id", rs.getString("ID"));
m.put("name", rs.getString("NAME"));
m.put("cuisine_type", rs.getString("CUISINE_TYPE"));
m.put("foods", JsonUtil.parseStringList(rs.getObject("FOODS_MENTIONED")));
m.put("video_title", rs.getString("TITLE"));
return m;
});
int total = rows.size();
emit(emitter, Map.of("type", "start", "total", total));
int updated = 0;
var allMissed = new ArrayList<Map<String, Object>>();
for (int i = 0; i < total; i += BATCH) {
var batch = rows.subList(i, Math.min(i + BATCH, total));
emit(emitter, Map.of("type", "processing", "current", Math.min(i + BATCH, total), "total", total));
try {
var result = applyFoodsBatch(batch);
updated += result.updated;
allMissed.addAll(result.missed);
emit(emitter, Map.of("type", "batch_done", "current", Math.min(i + BATCH, total), "total", total, "updated", updated));
} catch (Exception e) {
allMissed.addAll(batch);
emit(emitter, Map.of("type", "error", "message", e.getMessage(), "current", i));
}
}
if (!allMissed.isEmpty()) {
emit(emitter, Map.of("type", "retry", "missed", allMissed.size()));
for (int i = 0; i < allMissed.size(); i += 10) {
var batch = allMissed.subList(i, Math.min(i + 10, allMissed.size()));
try {
var r = applyFoodsBatch(batch);
updated += r.updated;
} catch (Exception ignored) {}
}
}
cache.flush();
emit(emitter, Map.of("type", "complete", "total", total, "updated", updated));
emitter.complete();
} catch (Exception e) {
emitter.completeWithError(e);
}
});
return emitter;
}
@PostMapping("/rebuild-vectors")
public SseEmitter rebuildVectors() {
AuthUtil.requireAdmin();
SseEmitter emitter = new SseEmitter(600_000L);
executor.execute(() -> {
try {
emit(emitter, Map.of("type", "start"));
// TODO: Implement full vector rebuild using VectorService
emit(emitter, Map.of("type", "complete", "total", 0));
emitter.complete();
} catch (Exception e) {
emitter.completeWithError(e);
}
});
return emitter;
}
@PostMapping("/process")
public Map<String, Object> process(@RequestParam(defaultValue = "5") int limit) {
AuthUtil.requireAdmin();
int count = pipelineService.processPending(limit);
if (count > 0) cache.flush();
return Map.of("restaurants_extracted", count);
}
// --- Helpers ---
private record BatchResult(int updated, List<Map<String, Object>> missed) {}
@SuppressWarnings("unchecked")
private BatchResult applyRemapBatch(List<Map<String, Object>> batch) throws Exception {
var items = batch.stream().map(b -> Map.of(
"id", b.get("id"), "name", b.get("name"),
"current_cuisine_type", b.get("cuisine_type"),
"foods_mentioned", b.get("foods_mentioned")
)).toList();
String prompt = """
아래 식당들의 cuisine_type을 표준 분류로 매핑하세요.
표준 분류 목록 (반드시 이 중 하나를 선택):
%s
식당 목록:
%s
규칙:
- 모든 식당에 대해 빠짐없이 결과를 반환 (총 %d개 모두 반환해야 함)
- 반드시 위 표준 분류 목록의 값을 그대로 복사하여 사용 (오타 금지)
- JSON 배열만 반환, 설명 없음
- 형식: [{"id": "식당ID", "cuisine_type": "한식|국밥/해장국"}, ...]
JSON 배열:""".formatted(CuisineTypes.CUISINE_LIST_TEXT, mapper.writeValueAsString(items), items.size());
String raw = genAi.chat(prompt, 4096);
Object parsed = genAi.parseJson(raw);
List<Map<String, Object>> results = parsed instanceof List<?> ? (List<Map<String, Object>>) parsed : List.of();
Map<String, String> resultMap = new HashMap<>();
for (var item : results) {
String id = (String) item.get("id");
String type = (String) item.get("cuisine_type");
if (id != null && type != null) resultMap.put(id, type);
}
int updated = 0;
var missed = new ArrayList<Map<String, Object>>();
for (var b : batch) {
String id = (String) b.get("id");
String newType = resultMap.get(id);
if (newType == null || !CuisineTypes.isValid(newType)) {
missed.add(b);
continue;
}
jdbc.update("UPDATE restaurants SET cuisine_type = :ct WHERE id = :id",
new MapSqlParameterSource().addValue("ct", newType).addValue("id", id));
updated++;
}
return new BatchResult(updated, missed);
}
@SuppressWarnings("unchecked")
private BatchResult applyFoodsBatch(List<Map<String, Object>> batch) throws Exception {
var items = batch.stream().map(b -> Map.of(
"id", b.get("id"), "name", b.get("name"),
"current_foods", b.get("foods"), "cuisine_type", b.get("cuisine_type")
)).toList();
String prompt = """
아래 식당들의 대표 메뉴 태그를 다시 만들어주세요.
규칙:
- 반드시 한글로 작성
- 각 식당당 최대 10개의 대표 메뉴/음식 태그
- 우선순위: 시그니처 메뉴 > 자주 언급된 메뉴 > 일반 메뉴
- 너무 일반적인 태그(밥, 반찬 등)는 제외
- 모든 식당에 대해 빠짐없이 결과 반환 (총 %d개)
- JSON 배열만 반환, 설명 없음
- 형식: [{"id": "식당ID", "foods": ["메뉴1", "메뉴2", ...]}]
식당 목록:
%s
JSON 배열:""".formatted(items.size(), mapper.writeValueAsString(items));
String raw = genAi.chat(prompt, 4096);
Object parsed = genAi.parseJson(raw);
List<Map<String, Object>> results = parsed instanceof List<?> ? (List<Map<String, Object>>) parsed : List.of();
Map<String, List<String>> resultMap = new HashMap<>();
for (var item : results) {
String id = (String) item.get("id");
Object foods = item.get("foods");
if (id != null && foods instanceof List<?> list) {
resultMap.put(id, list.stream().map(Object::toString).limit(10).toList());
}
}
int updated = 0;
var missed = new ArrayList<Map<String, Object>>();
for (var b : batch) {
String id = (String) b.get("id");
List<String> newFoods = resultMap.get(id);
if (newFoods == null) {
missed.add(b);
continue;
}
jdbc.update("UPDATE video_restaurants SET foods_mentioned = :foods WHERE id = :id",
new MapSqlParameterSource()
.addValue("foods", mapper.writeValueAsString(newFoods))
.addValue("id", id));
updated++;
}
return new BatchResult(updated, missed);
}
private void emit(SseEmitter emitter, Map<String, Object> data) {
try {
emitter.send(SseEmitter.event().data(mapper.writeValueAsString(data)));
} catch (Exception e) {
log.debug("SSE emit failed: {}", e.getMessage());
}
}
}

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package com.tasteby.repository;
import org.springframework.jdbc.core.namedparam.MapSqlParameterSource;
import org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate;
import org.springframework.stereotype.Repository;
import java.sql.Timestamp;
import java.util.*;
@Repository
public class ChannelRepository {
private final NamedParameterJdbcTemplate jdbc;
public ChannelRepository(NamedParameterJdbcTemplate jdbc) {
this.jdbc = jdbc;
}
public List<Map<String, Object>> findAllActive() {
String sql = """
SELECT c.id, c.channel_id, c.channel_name, c.title_filter, c.created_at,
(SELECT COUNT(*) FROM videos v WHERE v.channel_id = c.id) AS video_count,
(SELECT MAX(v.published_at) FROM videos v WHERE v.channel_id = c.id) AS last_video_at
FROM channels c
WHERE c.is_active = 1
ORDER BY c.channel_name
""";
return jdbc.query(sql, new MapSqlParameterSource(), (rs, rowNum) -> {
Map<String, Object> m = new LinkedHashMap<>();
m.put("id", rs.getString("ID"));
m.put("channel_id", rs.getString("CHANNEL_ID"));
m.put("channel_name", rs.getString("CHANNEL_NAME"));
m.put("title_filter", rs.getString("TITLE_FILTER"));
Timestamp ts = rs.getTimestamp("CREATED_AT");
m.put("created_at", ts != null ? ts.toInstant().toString() : null);
m.put("video_count", rs.getInt("VIDEO_COUNT"));
Timestamp lastVideo = rs.getTimestamp("LAST_VIDEO_AT");
m.put("last_video_at", lastVideo != null ? lastVideo.toInstant().toString() : null);
return m;
});
}
public String create(String channelId, String channelName, String titleFilter) {
String id = UUID.randomUUID().toString().replace("-", "").substring(0, 32).toUpperCase();
String sql = """
INSERT INTO channels (id, channel_id, channel_name, title_filter)
VALUES (:id, :cid, :cname, :tf)
""";
var params = new MapSqlParameterSource();
params.addValue("id", id);
params.addValue("cid", channelId);
params.addValue("cname", channelName);
params.addValue("tf", titleFilter);
jdbc.update(sql, params);
return id;
}
public boolean deactivate(String channelId) {
String sql = "UPDATE channels SET is_active = 0 WHERE channel_id = :cid AND is_active = 1";
int count = jdbc.update(sql, new MapSqlParameterSource("cid", channelId));
if (count == 0) {
// Try by DB id
sql = "UPDATE channels SET is_active = 0 WHERE id = :cid AND is_active = 1";
count = jdbc.update(sql, new MapSqlParameterSource("cid", channelId));
}
return count > 0;
}
public Map<String, Object> findByChannelId(String channelId) {
String sql = "SELECT id, channel_id, channel_name, title_filter FROM channels WHERE channel_id = :cid AND is_active = 1";
var rows = jdbc.queryForList(sql, new MapSqlParameterSource("cid", channelId));
return rows.isEmpty() ? null : rows.getFirst();
}
}

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package com.tasteby.repository;
import com.tasteby.util.JsonUtil;
import com.tasteby.util.RegionParser;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.core.namedparam.MapSqlParameterSource;
import org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate;
import org.springframework.stereotype.Repository;
import java.math.BigDecimal;
import java.sql.Timestamp;
import java.util.*;
@Repository
public class RestaurantRepository {
private final JdbcTemplate jdbc;
private final NamedParameterJdbcTemplate namedJdbc;
public RestaurantRepository(JdbcTemplate jdbc, NamedParameterJdbcTemplate namedJdbc) {
this.jdbc = jdbc;
this.namedJdbc = namedJdbc;
}
public List<Map<String, Object>> findAll(int limit, int offset,
String cuisine, String region, String channel) {
var conditions = new ArrayList<String>();
conditions.add("r.latitude IS NOT NULL");
conditions.add("EXISTS (SELECT 1 FROM video_restaurants vr0 WHERE vr0.restaurant_id = r.id)");
var params = new MapSqlParameterSource();
params.addValue("lim", limit);
params.addValue("off", offset);
String joinClause = "";
if (cuisine != null && !cuisine.isBlank()) {
conditions.add("r.cuisine_type = :cuisine");
params.addValue("cuisine", cuisine);
}
if (region != null && !region.isBlank()) {
conditions.add("r.region LIKE :region");
params.addValue("region", "%" + region + "%");
}
if (channel != null && !channel.isBlank()) {
joinClause = """
JOIN video_restaurants vr_f ON vr_f.restaurant_id = r.id
JOIN videos v_f ON v_f.id = vr_f.video_id
JOIN channels c_f ON c_f.id = v_f.channel_id
""";
conditions.add("c_f.channel_name = :channel");
params.addValue("channel", channel);
}
String where = String.join(" AND ", conditions);
String sql = """
SELECT DISTINCT r.id, r.name, r.address, r.region, r.latitude, r.longitude,
r.cuisine_type, r.price_range, r.google_place_id,
r.business_status, r.rating, r.rating_count, r.updated_at
FROM restaurants r
%s
WHERE %s
ORDER BY r.updated_at DESC
OFFSET :off ROWS FETCH NEXT :lim ROWS ONLY
""".formatted(joinClause, where);
List<Map<String, Object>> rows = namedJdbc.queryForList(sql, params);
if (!rows.isEmpty()) {
attachChannels(rows);
attachFoodsMentioned(rows);
}
return rows;
}
public Map<String, Object> findById(String id) {
String sql = """
SELECT r.id, r.name, r.address, r.region, r.latitude, r.longitude,
r.cuisine_type, r.price_range, r.phone, r.website, r.google_place_id,
r.business_status, r.rating, r.rating_count
FROM restaurants r WHERE r.id = :id
""";
var params = new MapSqlParameterSource("id", id);
List<Map<String, Object>> rows = namedJdbc.queryForList(sql, params);
return rows.isEmpty() ? null : normalizeRow(rows.getFirst());
}
public List<Map<String, Object>> findVideoLinks(String restaurantId) {
String sql = """
SELECT v.video_id, v.title, v.url, v.published_at,
vr.foods_mentioned, vr.evaluation, vr.guests,
c.channel_name, c.channel_id
FROM video_restaurants vr
JOIN videos v ON v.id = vr.video_id
JOIN channels c ON c.id = v.channel_id
WHERE vr.restaurant_id = :rid
ORDER BY v.published_at DESC
""";
var params = new MapSqlParameterSource("rid", restaurantId);
return namedJdbc.query(sql, params, (rs, rowNum) -> {
Map<String, Object> m = new LinkedHashMap<>();
m.put("video_id", rs.getString("video_id"));
m.put("title", rs.getString("title"));
m.put("url", rs.getString("url"));
Timestamp ts = rs.getTimestamp("published_at");
m.put("published_at", ts != null ? ts.toInstant().toString() : null);
m.put("foods_mentioned", JsonUtil.parseStringList(rs.getObject("foods_mentioned")));
m.put("evaluation", JsonUtil.parseMap(rs.getObject("evaluation")));
m.put("guests", JsonUtil.parseStringList(rs.getObject("guests")));
m.put("channel_name", rs.getString("channel_name"));
m.put("channel_id", rs.getString("channel_id"));
return m;
});
}
public String upsert(Map<String, Object> data) {
String name = (String) data.get("name");
String address = (String) data.get("address");
String region = (String) data.get("region");
if (region == null && address != null) {
region = RegionParser.parse(address);
}
// Try find by google_place_id then by name
String existing = null;
String gid = (String) data.get("google_place_id");
if (gid != null) {
existing = findIdByPlaceId(gid);
}
if (existing == null) {
existing = findIdByName(name);
}
if (existing != null) {
String sql = """
UPDATE restaurants SET
name = :name,
address = COALESCE(:addr, address),
region = COALESCE(:reg, region),
latitude = COALESCE(:lat, latitude),
longitude = COALESCE(:lng, longitude),
cuisine_type = COALESCE(:cuisine, cuisine_type),
price_range = COALESCE(:price, price_range),
google_place_id = COALESCE(:gid, google_place_id),
phone = COALESCE(:phone, phone),
website = COALESCE(:web, website),
business_status = COALESCE(:bstatus, business_status),
rating = COALESCE(:rating, rating),
rating_count = COALESCE(:rcnt, rating_count),
updated_at = SYSTIMESTAMP
WHERE id = :id
""";
var params = buildUpsertParams(data, name, address, region);
params.addValue("id", existing);
namedJdbc.update(sql, params);
return existing;
}
// Insert
String newId = UUID.randomUUID().toString().replace("-", "").substring(0, 32).toUpperCase();
String sql = """
INSERT INTO restaurants (id, name, address, region, latitude, longitude,
cuisine_type, price_range, google_place_id,
phone, website, business_status, rating, rating_count)
VALUES (:id, :name, :addr, :reg, :lat, :lng, :cuisine, :price, :gid,
:phone, :web, :bstatus, :rating, :rcnt)
""";
var params = buildUpsertParams(data, name, address, region);
params.addValue("id", newId);
namedJdbc.update(sql, params);
return newId;
}
public void update(String id, Map<String, Object> fields) {
var sets = new ArrayList<String>();
var params = new MapSqlParameterSource("rid", id);
List<String> allowed = List.of("name", "address", "region", "cuisine_type",
"price_range", "phone", "website", "latitude", "longitude");
for (String field : allowed) {
if (fields.containsKey(field)) {
sets.add(field + " = :" + field);
params.addValue(field, fields.get(field));
}
}
if (sets.isEmpty()) return;
sets.add("updated_at = SYSTIMESTAMP");
String sql = "UPDATE restaurants SET " + String.join(", ", sets) + " WHERE id = :rid";
namedJdbc.update(sql, params);
}
public void delete(String id) {
var params = new MapSqlParameterSource("rid", id);
namedJdbc.update("DELETE FROM restaurant_vectors WHERE restaurant_id = :rid", params);
namedJdbc.update("DELETE FROM user_reviews WHERE restaurant_id = :rid", params);
namedJdbc.update("DELETE FROM user_favorites WHERE restaurant_id = :rid", params);
namedJdbc.update("DELETE FROM video_restaurants WHERE restaurant_id = :rid", params);
namedJdbc.update("DELETE FROM restaurants WHERE id = :rid", params);
}
public String linkVideoRestaurant(String videoDbId, String restaurantId,
List<String> foods, String evaluation, List<String> guests) {
String linkId = UUID.randomUUID().toString().replace("-", "").substring(0, 32).toUpperCase();
String sql = """
INSERT INTO video_restaurants (id, video_id, restaurant_id, foods_mentioned, evaluation, guests)
VALUES (:id, :vid, :rid, :foods, :eval, :guests)
""";
var params = new MapSqlParameterSource();
params.addValue("id", linkId);
params.addValue("vid", videoDbId);
params.addValue("rid", restaurantId);
params.addValue("foods", JsonUtil.toJson(foods != null ? foods : List.of()));
params.addValue("eval", JsonUtil.toJson(evaluation != null ? Map.of("text", evaluation) : Map.of()));
params.addValue("guests", JsonUtil.toJson(guests != null ? guests : List.of()));
try {
namedJdbc.update(sql, params);
return linkId;
} catch (Exception e) {
if (e.getMessage() != null && e.getMessage().toUpperCase().contains("UQ_VR_VIDEO_REST")) {
return null; // duplicate
}
throw e;
}
}
// --- private helpers ---
private String findIdByPlaceId(String placeId) {
var rows = namedJdbc.queryForList(
"SELECT id FROM restaurants WHERE google_place_id = :gid",
new MapSqlParameterSource("gid", placeId));
return rows.isEmpty() ? null : (String) rows.getFirst().get("ID");
}
private String findIdByName(String name) {
var rows = namedJdbc.queryForList(
"SELECT id FROM restaurants WHERE name = :n",
new MapSqlParameterSource("n", name));
return rows.isEmpty() ? null : (String) rows.getFirst().get("ID");
}
private MapSqlParameterSource buildUpsertParams(Map<String, Object> data,
String name, String address, String region) {
var params = new MapSqlParameterSource();
params.addValue("name", name);
params.addValue("addr", address);
params.addValue("reg", truncateBytes(region, 100));
params.addValue("lat", data.get("latitude"));
params.addValue("lng", data.get("longitude"));
params.addValue("cuisine", truncateBytes((String) data.get("cuisine_type"), 100));
params.addValue("price", truncateBytes((String) data.get("price_range"), 50));
params.addValue("gid", data.get("google_place_id"));
params.addValue("phone", data.get("phone"));
params.addValue("web", truncateBytes((String) data.get("website"), 500));
params.addValue("bstatus", data.get("business_status"));
params.addValue("rating", data.get("rating"));
params.addValue("rcnt", data.get("rating_count"));
return params;
}
private String truncateBytes(String val, int maxBytes) {
if (val == null) return null;
byte[] bytes = val.getBytes(java.nio.charset.StandardCharsets.UTF_8);
if (bytes.length <= maxBytes) return val;
return new String(bytes, 0, maxBytes, java.nio.charset.StandardCharsets.UTF_8).trim();
}
private void attachChannels(List<Map<String, Object>> rows) {
List<String> ids = rows.stream().map(r -> (String) r.get("ID")).filter(Objects::nonNull).toList();
if (ids.isEmpty()) return;
var params = new MapSqlParameterSource();
var placeholders = new ArrayList<String>();
for (int i = 0; i < ids.size(); i++) {
placeholders.add(":id" + i);
params.addValue("id" + i, ids.get(i));
}
String sql = """
SELECT DISTINCT vr.restaurant_id, c.channel_name
FROM video_restaurants vr
JOIN videos v ON v.id = vr.video_id
JOIN channels c ON c.id = v.channel_id
WHERE vr.restaurant_id IN (%s)
""".formatted(String.join(", ", placeholders));
Map<String, List<String>> chMap = new HashMap<>();
namedJdbc.query(sql, params, (rs) -> {
chMap.computeIfAbsent(rs.getString("RESTAURANT_ID"), k -> new ArrayList<>())
.add(rs.getString("CHANNEL_NAME"));
});
for (var r : rows) {
String id = (String) r.get("ID");
r.put("channels", chMap.getOrDefault(id, List.of()));
}
}
private void attachFoodsMentioned(List<Map<String, Object>> rows) {
List<String> ids = rows.stream().map(r -> (String) r.get("ID")).filter(Objects::nonNull).toList();
if (ids.isEmpty()) return;
var params = new MapSqlParameterSource();
var placeholders = new ArrayList<String>();
for (int i = 0; i < ids.size(); i++) {
placeholders.add(":id" + i);
params.addValue("id" + i, ids.get(i));
}
String sql = """
SELECT vr.restaurant_id, vr.foods_mentioned
FROM video_restaurants vr
WHERE vr.restaurant_id IN (%s)
""".formatted(String.join(", ", placeholders));
Map<String, List<String>> foodsMap = new HashMap<>();
namedJdbc.query(sql, params, (rs) -> {
String rid = rs.getString("RESTAURANT_ID");
List<String> foods = JsonUtil.parseStringList(rs.getObject("FOODS_MENTIONED"));
for (String f : foods) {
foodsMap.computeIfAbsent(rid, k -> new ArrayList<>());
if (!foodsMap.get(rid).contains(f)) {
foodsMap.get(rid).add(f);
}
}
});
for (var r : rows) {
String id = (String) r.get("ID");
List<String> all = foodsMap.getOrDefault(id, List.of());
r.put("foods_mentioned", all.size() > 10 ? all.subList(0, 10) : all);
}
}
private Map<String, Object> normalizeRow(Map<String, Object> row) {
// Oracle returns uppercase keys; normalize to lowercase
var result = new LinkedHashMap<String, Object>();
for (var entry : row.entrySet()) {
result.put(entry.getKey().toLowerCase(), entry.getValue());
}
return result;
}
}

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package com.tasteby.repository;
import com.tasteby.util.JsonUtil;
import org.springframework.jdbc.core.namedparam.MapSqlParameterSource;
import org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate;
import org.springframework.stereotype.Repository;
import java.sql.Date;
import java.sql.Timestamp;
import java.time.LocalDate;
import java.util.*;
@Repository
public class ReviewRepository {
private final NamedParameterJdbcTemplate jdbc;
public ReviewRepository(NamedParameterJdbcTemplate jdbc) {
this.jdbc = jdbc;
}
public Map<String, Object> create(String userId, String restaurantId,
double rating, String reviewText, LocalDate visitedAt) {
String id = UUID.randomUUID().toString().replace("-", "").substring(0, 32).toUpperCase();
String sql = """
INSERT INTO user_reviews (id, user_id, restaurant_id, rating, review_text, visited_at)
VALUES (:id, :uid, :rid, :rating, :text, :visited)
""";
var params = new MapSqlParameterSource();
params.addValue("id", id);
params.addValue("uid", userId);
params.addValue("rid", restaurantId);
params.addValue("rating", rating);
params.addValue("text", reviewText);
params.addValue("visited", visitedAt != null ? Date.valueOf(visitedAt) : null);
jdbc.update(sql, params);
return findById(id);
}
public Map<String, Object> update(String reviewId, String userId,
Double rating, String reviewText, LocalDate visitedAt) {
String sql = """
UPDATE user_reviews SET
rating = COALESCE(:rating, rating),
review_text = COALESCE(:text, review_text),
visited_at = COALESCE(:visited, visited_at),
updated_at = SYSTIMESTAMP
WHERE id = :id AND user_id = :uid
""";
var params = new MapSqlParameterSource();
params.addValue("rating", rating);
params.addValue("text", reviewText);
params.addValue("visited", visitedAt != null ? Date.valueOf(visitedAt) : null);
params.addValue("id", reviewId);
params.addValue("uid", userId);
int count = jdbc.update(sql, params);
return count > 0 ? findById(reviewId) : null;
}
public boolean delete(String reviewId, String userId) {
String sql = "DELETE FROM user_reviews WHERE id = :id AND user_id = :uid";
int count = jdbc.update(sql, new MapSqlParameterSource()
.addValue("id", reviewId).addValue("uid", userId));
return count > 0;
}
public Map<String, Object> findById(String reviewId) {
String sql = """
SELECT r.id, r.user_id, r.restaurant_id, r.rating, r.review_text,
r.visited_at, r.created_at, r.updated_at,
u.nickname, u.avatar_url
FROM user_reviews r
JOIN tasteby_users u ON u.id = r.user_id
WHERE r.id = :id
""";
var rows = jdbc.query(sql, new MapSqlParameterSource("id", reviewId), this::mapReviewRow);
return rows.isEmpty() ? null : rows.getFirst();
}
public List<Map<String, Object>> findByRestaurant(String restaurantId, int limit, int offset) {
String sql = """
SELECT r.id, r.user_id, r.restaurant_id, r.rating, r.review_text,
r.visited_at, r.created_at, r.updated_at,
u.nickname, u.avatar_url
FROM user_reviews r
JOIN tasteby_users u ON u.id = r.user_id
WHERE r.restaurant_id = :rid
ORDER BY r.created_at DESC
OFFSET :off ROWS FETCH NEXT :lim ROWS ONLY
""";
var params = new MapSqlParameterSource()
.addValue("rid", restaurantId)
.addValue("off", offset).addValue("lim", limit);
return jdbc.query(sql, params, this::mapReviewRow);
}
public Map<String, Object> getAvgRating(String restaurantId) {
String sql = """
SELECT ROUND(AVG(rating), 1) AS avg_rating, COUNT(*) AS review_count
FROM user_reviews WHERE restaurant_id = :rid
""";
var row = jdbc.queryForMap(sql, new MapSqlParameterSource("rid", restaurantId));
return Map.of(
"avg_rating", row.get("AVG_RATING") != null ? ((Number) row.get("AVG_RATING")).doubleValue() : null,
"review_count", ((Number) row.get("REVIEW_COUNT")).intValue()
);
}
public List<Map<String, Object>> findByUser(String userId, int limit, int offset) {
String sql = """
SELECT r.id, r.user_id, r.restaurant_id, r.rating, r.review_text,
r.visited_at, r.created_at, r.updated_at,
u.nickname, u.avatar_url,
rest.name AS restaurant_name
FROM user_reviews r
JOIN tasteby_users u ON u.id = r.user_id
LEFT JOIN restaurants rest ON rest.id = r.restaurant_id
WHERE r.user_id = :uid
ORDER BY r.created_at DESC
OFFSET :off ROWS FETCH NEXT :lim ROWS ONLY
""";
var params = new MapSqlParameterSource()
.addValue("uid", userId).addValue("off", offset).addValue("lim", limit);
return jdbc.query(sql, params, (rs, rowNum) -> {
var m = mapReviewRow(rs, rowNum);
m.put("restaurant_name", rs.getString("RESTAURANT_NAME"));
return m;
});
}
// Favorites
public boolean isFavorited(String userId, String restaurantId) {
String sql = "SELECT COUNT(*) FROM user_favorites WHERE user_id = :u AND restaurant_id = :r";
Integer cnt = jdbc.queryForObject(sql, new MapSqlParameterSource()
.addValue("u", userId).addValue("r", restaurantId), Integer.class);
return cnt != null && cnt > 0;
}
public boolean toggleFavorite(String userId, String restaurantId) {
var params = new MapSqlParameterSource().addValue("u", userId).addValue("r", restaurantId);
String check = "SELECT id FROM user_favorites WHERE user_id = :u AND restaurant_id = :r";
var rows = jdbc.queryForList(check, params);
if (!rows.isEmpty()) {
jdbc.update("DELETE FROM user_favorites WHERE user_id = :u AND restaurant_id = :r", params);
return false; // unfavorited
}
String id = UUID.randomUUID().toString().replace("-", "").substring(0, 32).toUpperCase();
params.addValue("id", id);
jdbc.update("INSERT INTO user_favorites (id, user_id, restaurant_id) VALUES (:id, :u, :r)", params);
return true; // favorited
}
public List<Map<String, Object>> getUserFavorites(String userId) {
String sql = """
SELECT r.id, r.name, r.address, r.region, r.latitude, r.longitude,
r.cuisine_type, r.price_range, r.google_place_id,
r.business_status, r.rating, r.rating_count, f.created_at
FROM user_favorites f
JOIN restaurants r ON r.id = f.restaurant_id
WHERE f.user_id = :u ORDER BY f.created_at DESC
""";
return jdbc.queryForList(sql, new MapSqlParameterSource("u", userId));
}
private Map<String, Object> mapReviewRow(java.sql.ResultSet rs, int rowNum) throws java.sql.SQLException {
var m = new LinkedHashMap<String, Object>();
m.put("id", rs.getString("ID"));
m.put("user_id", rs.getString("USER_ID"));
m.put("restaurant_id", rs.getString("RESTAURANT_ID"));
m.put("rating", rs.getDouble("RATING"));
m.put("review_text", JsonUtil.readClob(rs.getObject("REVIEW_TEXT")));
Date visited = rs.getDate("VISITED_AT");
m.put("visited_at", visited != null ? visited.toLocalDate().toString() : null);
Timestamp created = rs.getTimestamp("CREATED_AT");
m.put("created_at", created != null ? created.toInstant().toString() : null);
Timestamp updated = rs.getTimestamp("UPDATED_AT");
m.put("updated_at", updated != null ? updated.toInstant().toString() : null);
m.put("user_nickname", rs.getString("NICKNAME"));
m.put("user_avatar_url", rs.getString("AVATAR_URL"));
return m;
}
}

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package com.tasteby.repository;
import org.springframework.jdbc.core.namedparam.MapSqlParameterSource;
import org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate;
import org.springframework.stereotype.Repository;
import java.util.Map;
@Repository
public class StatsRepository {
private final NamedParameterJdbcTemplate jdbc;
public StatsRepository(NamedParameterJdbcTemplate jdbc) {
this.jdbc = jdbc;
}
public void recordVisit() {
String sql = """
MERGE INTO site_visits sv
USING (SELECT TRUNC(SYSDATE) AS d FROM dual) src
ON (sv.visit_date = src.d)
WHEN MATCHED THEN UPDATE SET sv.visit_count = sv.visit_count + 1
WHEN NOT MATCHED THEN INSERT (visit_date, visit_count) VALUES (src.d, 1)
""";
jdbc.update(sql, new MapSqlParameterSource());
}
public Map<String, Object> getVisits() {
var empty = new MapSqlParameterSource();
Integer today = jdbc.queryForObject(
"SELECT NVL(visit_count, 0) FROM site_visits WHERE visit_date = TRUNC(SYSDATE)",
empty, Integer.class);
if (today == null) today = 0;
Integer total = jdbc.queryForObject(
"SELECT NVL(SUM(visit_count), 0) FROM site_visits",
empty, Integer.class);
if (total == null) total = 0;
return Map.of("today", today, "total", total);
}
}

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package com.tasteby.repository;
import org.springframework.jdbc.core.namedparam.MapSqlParameterSource;
import org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate;
import org.springframework.stereotype.Repository;
import java.util.*;
@Repository
public class UserRepository {
private final NamedParameterJdbcTemplate jdbc;
public UserRepository(NamedParameterJdbcTemplate jdbc) {
this.jdbc = jdbc;
}
public Map<String, Object> findOrCreate(String provider, String providerId,
String email, String nickname, String avatarUrl) {
// Try find existing
String findSql = """
SELECT id, email, nickname, avatar_url, is_admin
FROM tasteby_users
WHERE provider = :provider AND provider_id = :pid
""";
var params = new MapSqlParameterSource()
.addValue("provider", provider)
.addValue("pid", providerId);
var rows = jdbc.queryForList(findSql, params);
if (!rows.isEmpty()) {
// Update last_login_at
var row = rows.getFirst();
String userId = (String) row.get("ID");
jdbc.update("UPDATE tasteby_users SET last_login_at = SYSTIMESTAMP WHERE id = :id",
new MapSqlParameterSource("id", userId));
return Map.of(
"id", userId,
"email", row.getOrDefault("EMAIL", ""),
"nickname", row.getOrDefault("NICKNAME", ""),
"avatar_url", row.getOrDefault("AVATAR_URL", ""),
"is_admin", row.get("IS_ADMIN") != null && ((Number) row.get("IS_ADMIN")).intValue() == 1
);
}
// Create new user
String id = UUID.randomUUID().toString().replace("-", "").substring(0, 32).toUpperCase();
String insertSql = """
INSERT INTO tasteby_users (id, provider, provider_id, email, nickname, avatar_url)
VALUES (:id, :provider, :pid, :email, :nick, :avatar)
""";
params.addValue("id", id);
params.addValue("email", email);
params.addValue("nick", nickname);
params.addValue("avatar", avatarUrl);
jdbc.update(insertSql, params);
return Map.of(
"id", id,
"email", email != null ? email : "",
"nickname", nickname != null ? nickname : "",
"avatar_url", avatarUrl != null ? avatarUrl : "",
"is_admin", false
);
}
public Map<String, Object> findById(String userId) {
String sql = "SELECT id, email, nickname, avatar_url, is_admin FROM tasteby_users WHERE id = :id";
var rows = jdbc.queryForList(sql, new MapSqlParameterSource("id", userId));
if (rows.isEmpty()) return null;
var row = rows.getFirst();
return Map.of(
"id", row.get("ID"),
"email", row.getOrDefault("EMAIL", ""),
"nickname", row.getOrDefault("NICKNAME", ""),
"avatar_url", row.getOrDefault("AVATAR_URL", ""),
"is_admin", row.get("IS_ADMIN") != null && ((Number) row.get("IS_ADMIN")).intValue() == 1
);
}
public List<Map<String, Object>> findAllWithCounts(int limit, int offset) {
String sql = """
SELECT u.id, u.email, u.nickname, u.avatar_url, u.provider, u.created_at,
NVL(fav.cnt, 0) AS favorite_count,
NVL(rev.cnt, 0) AS review_count
FROM tasteby_users u
LEFT JOIN (SELECT user_id, COUNT(*) AS cnt FROM user_favorites GROUP BY user_id) fav ON fav.user_id = u.id
LEFT JOIN (SELECT user_id, COUNT(*) AS cnt FROM user_reviews GROUP BY user_id) rev ON rev.user_id = u.id
ORDER BY u.created_at DESC
OFFSET :off ROWS FETCH NEXT :lim ROWS ONLY
""";
var params = new MapSqlParameterSource().addValue("off", offset).addValue("lim", limit);
return jdbc.queryForList(sql, params);
}
public int countAll() {
var result = jdbc.queryForObject("SELECT COUNT(*) FROM tasteby_users",
new MapSqlParameterSource(), Integer.class);
return result != null ? result : 0;
}
}

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package com.tasteby.repository;
import com.tasteby.util.JsonUtil;
import org.springframework.jdbc.core.namedparam.MapSqlParameterSource;
import org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate;
import org.springframework.stereotype.Repository;
import java.sql.Timestamp;
import java.util.*;
@Repository
public class VideoRepository {
private final NamedParameterJdbcTemplate jdbc;
public VideoRepository(NamedParameterJdbcTemplate jdbc) {
this.jdbc = jdbc;
}
public List<Map<String, Object>> findAll(String status) {
var params = new MapSqlParameterSource();
String where = "";
if (status != null && !status.isBlank()) {
where = "WHERE v.status = :st";
params.addValue("st", status);
}
String sql = """
SELECT v.id, v.video_id, v.title, v.url, v.status,
v.published_at, c.channel_name,
CASE WHEN v.transcript_text IS NOT NULL AND dbms_lob.getlength(v.transcript_text) > 0 THEN 1 ELSE 0 END as has_transcript,
CASE WHEN v.llm_raw_response IS NOT NULL AND dbms_lob.getlength(v.llm_raw_response) > 0 THEN 1 ELSE 0 END as has_llm,
(SELECT COUNT(*) FROM video_restaurants vr WHERE vr.video_id = v.id) as restaurant_count,
(SELECT COUNT(*) FROM video_restaurants vr JOIN restaurants r ON r.id = vr.restaurant_id
WHERE vr.video_id = v.id AND r.google_place_id IS NOT NULL) as matched_count
FROM videos v
JOIN channels c ON c.id = v.channel_id
%s
ORDER BY v.published_at DESC NULLS LAST
""".formatted(where);
return jdbc.query(sql, params, (rs, rowNum) -> {
Map<String, Object> m = new LinkedHashMap<>();
m.put("id", rs.getString("ID"));
m.put("video_id", rs.getString("VIDEO_ID"));
m.put("title", rs.getString("TITLE"));
m.put("url", rs.getString("URL"));
m.put("status", rs.getString("STATUS"));
Timestamp ts = rs.getTimestamp("PUBLISHED_AT");
m.put("published_at", ts != null ? ts.toInstant().toString() : null);
m.put("channel_name", rs.getString("CHANNEL_NAME"));
m.put("has_transcript", rs.getInt("HAS_TRANSCRIPT") == 1);
m.put("has_llm", rs.getInt("HAS_LLM") == 1);
m.put("restaurant_count", rs.getInt("RESTAURANT_COUNT"));
m.put("matched_count", rs.getInt("MATCHED_COUNT"));
return m;
});
}
public Map<String, Object> findDetail(String videoDbId) {
String sql = """
SELECT v.id, v.video_id, v.title, v.url, v.status,
v.published_at, v.transcript_text, c.channel_name
FROM videos v
JOIN channels c ON c.id = v.channel_id
WHERE v.id = :vid
""";
var rows = jdbc.query(sql, new MapSqlParameterSource("vid", videoDbId), (rs, rowNum) -> {
Map<String, Object> m = new LinkedHashMap<>();
m.put("id", rs.getString("ID"));
m.put("video_id", rs.getString("VIDEO_ID"));
m.put("title", rs.getString("TITLE"));
m.put("url", rs.getString("URL"));
m.put("status", rs.getString("STATUS"));
Timestamp ts = rs.getTimestamp("PUBLISHED_AT");
m.put("published_at", ts != null ? ts.toInstant().toString() : null);
m.put("transcript", JsonUtil.readClob(rs.getObject("TRANSCRIPT_TEXT")));
m.put("channel_name", rs.getString("CHANNEL_NAME"));
return m;
});
if (rows.isEmpty()) return null;
Map<String, Object> video = rows.getFirst();
// Attach extracted restaurants
String restSql = """
SELECT r.id, r.name, r.address, r.cuisine_type, r.price_range, r.region,
vr.foods_mentioned, vr.evaluation, vr.guests,
r.google_place_id, r.latitude, r.longitude
FROM video_restaurants vr
JOIN restaurants r ON r.id = vr.restaurant_id
WHERE vr.video_id = :vid
""";
List<Map<String, Object>> restaurants = jdbc.query(restSql,
new MapSqlParameterSource("vid", videoDbId), (rs, rowNum) -> {
Map<String, Object> m = new LinkedHashMap<>();
m.put("restaurant_id", rs.getString("ID"));
m.put("name", rs.getString("NAME"));
m.put("address", rs.getString("ADDRESS"));
m.put("cuisine_type", rs.getString("CUISINE_TYPE"));
m.put("price_range", rs.getString("PRICE_RANGE"));
m.put("region", rs.getString("REGION"));
m.put("foods_mentioned", JsonUtil.parseStringList(rs.getObject("FOODS_MENTIONED")));
m.put("evaluation", JsonUtil.parseMap(rs.getObject("EVALUATION")));
m.put("guests", JsonUtil.parseStringList(rs.getObject("GUESTS")));
m.put("google_place_id", rs.getString("GOOGLE_PLACE_ID"));
m.put("has_location", rs.getObject("LATITUDE") != null && rs.getObject("LONGITUDE") != null);
return m;
});
video.put("restaurants", restaurants);
return video;
}
public void updateStatus(String videoDbId, String status) {
jdbc.update("UPDATE videos SET status = :st WHERE id = :vid",
new MapSqlParameterSource().addValue("st", status).addValue("vid", videoDbId));
}
public void updateTitle(String videoDbId, String title) {
jdbc.update("UPDATE videos SET title = :title WHERE id = :vid",
new MapSqlParameterSource().addValue("title", title).addValue("vid", videoDbId));
}
public void updateTranscript(String videoDbId, String transcript) {
jdbc.update("UPDATE videos SET transcript_text = :txt WHERE id = :vid",
new MapSqlParameterSource().addValue("txt", transcript).addValue("vid", videoDbId));
}
public void delete(String videoDbId) {
var params = new MapSqlParameterSource("vid", videoDbId);
// Delete orphaned vectors/reviews/restaurants
jdbc.update("""
DELETE FROM restaurant_vectors WHERE restaurant_id IN (
SELECT vr.restaurant_id FROM video_restaurants vr
WHERE vr.video_id = :vid
AND NOT EXISTS (SELECT 1 FROM video_restaurants vr2
WHERE vr2.restaurant_id = vr.restaurant_id AND vr2.video_id != :vid)
)""", params);
jdbc.update("""
DELETE FROM user_reviews WHERE restaurant_id IN (
SELECT vr.restaurant_id FROM video_restaurants vr
WHERE vr.video_id = :vid
AND NOT EXISTS (SELECT 1 FROM video_restaurants vr2
WHERE vr2.restaurant_id = vr.restaurant_id AND vr2.video_id != :vid)
)""", params);
jdbc.update("""
DELETE FROM restaurants WHERE id IN (
SELECT vr.restaurant_id FROM video_restaurants vr
WHERE vr.video_id = :vid
AND NOT EXISTS (SELECT 1 FROM video_restaurants vr2
WHERE vr2.restaurant_id = vr.restaurant_id AND vr2.video_id != :vid)
)""", params);
jdbc.update("DELETE FROM video_restaurants WHERE video_id = :vid", params);
jdbc.update("DELETE FROM videos WHERE id = :vid", params);
}
public void deleteVideoRestaurant(String videoDbId, String restaurantId) {
var params = new MapSqlParameterSource().addValue("vid", videoDbId).addValue("rid", restaurantId);
jdbc.update("DELETE FROM video_restaurants WHERE video_id = :vid AND restaurant_id = :rid", params);
// Clean up orphan
var ridParams = new MapSqlParameterSource("rid", restaurantId);
jdbc.update("""
DELETE FROM restaurant_vectors WHERE restaurant_id = :rid
AND NOT EXISTS (SELECT 1 FROM video_restaurants WHERE restaurant_id = :rid)
""", ridParams);
jdbc.update("""
DELETE FROM user_reviews WHERE restaurant_id = :rid
AND NOT EXISTS (SELECT 1 FROM video_restaurants WHERE restaurant_id = :rid)
""", ridParams);
jdbc.update("""
DELETE FROM restaurants WHERE id = :rid
AND NOT EXISTS (SELECT 1 FROM video_restaurants WHERE restaurant_id = :rid)
""", ridParams);
}
public int saveVideosBatch(String dbChannelId, List<Map<String, Object>> videos) {
if (videos.isEmpty()) return 0;
int count = 0;
for (var v : videos) {
String id = UUID.randomUUID().toString().replace("-", "").substring(0, 32).toUpperCase();
String sql = """
INSERT INTO videos (id, channel_id, video_id, title, url, published_at)
VALUES (:id, :cid, :vid, :title, :url, :pub)
""";
var params = new MapSqlParameterSource();
params.addValue("id", id);
params.addValue("cid", dbChannelId);
params.addValue("vid", v.get("video_id"));
params.addValue("title", v.get("title"));
params.addValue("url", v.get("url"));
params.addValue("pub", v.get("published_at"));
try {
jdbc.update(sql, params);
count++;
} catch (Exception e) {
// duplicate video_id — skip
if (e.getMessage() == null || !e.getMessage().toUpperCase().contains("UQ_VIDEOS_VID")) {
throw e;
}
}
}
return count;
}
public Set<String> getExistingVideoIds(String dbChannelId) {
String sql = "SELECT video_id FROM videos WHERE channel_id = :cid";
List<String> ids = jdbc.queryForList(sql,
new MapSqlParameterSource("cid", dbChannelId), String.class);
return new HashSet<>(ids);
}
public String getLatestVideoDate(String dbChannelId) {
String sql = "SELECT MAX(published_at) FROM videos WHERE channel_id = :cid";
var rows = jdbc.queryForList(sql, new MapSqlParameterSource("cid", dbChannelId));
if (rows.isEmpty() || rows.getFirst().values().iterator().next() == null) return null;
Object val = rows.getFirst().values().iterator().next();
if (val instanceof Timestamp ts) return ts.toInstant().toString();
return val.toString();
}
}

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package com.tasteby.security;
import io.jsonwebtoken.Claims;
import org.springframework.http.HttpStatus;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.web.server.ResponseStatusException;
/**
* Utility to extract current user info from SecurityContext.
*/
public final class AuthUtil {
private AuthUtil() {}
public static Claims getCurrentUser() {
Authentication auth = SecurityContextHolder.getContext().getAuthentication();
if (auth == null || !(auth.getPrincipal() instanceof Claims)) {
throw new ResponseStatusException(HttpStatus.UNAUTHORIZED, "Not authenticated");
}
return (Claims) auth.getPrincipal();
}
public static Claims getCurrentUserOrNull() {
Authentication auth = SecurityContextHolder.getContext().getAuthentication();
if (auth == null || !(auth.getPrincipal() instanceof Claims)) {
return null;
}
return (Claims) auth.getPrincipal();
}
public static Claims requireAdmin() {
Claims user = getCurrentUser();
if (!Boolean.TRUE.equals(user.get("is_admin", Boolean.class))) {
throw new ResponseStatusException(HttpStatus.FORBIDDEN, "관리자 권한이 필요합니다");
}
return user;
}
public static String getUserId() {
return getCurrentUser().getSubject();
}
}

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package com.tasteby.security;
import io.jsonwebtoken.Claims;
import jakarta.servlet.FilterChain;
import jakarta.servlet.ServletException;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.stereotype.Component;
import org.springframework.web.filter.OncePerRequestFilter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
@Component
public class JwtAuthenticationFilter extends OncePerRequestFilter {
private final JwtTokenProvider tokenProvider;
public JwtAuthenticationFilter(JwtTokenProvider tokenProvider) {
this.tokenProvider = tokenProvider;
}
@Override
protected void doFilterInternal(HttpServletRequest request,
HttpServletResponse response,
FilterChain filterChain) throws ServletException, IOException {
String header = request.getHeader("Authorization");
if (header != null && header.startsWith("Bearer ")) {
String token = header.substring(7).trim();
if (tokenProvider.isValid(token)) {
Claims claims = tokenProvider.parseToken(token);
List<SimpleGrantedAuthority> authorities = new ArrayList<>();
authorities.add(new SimpleGrantedAuthority("ROLE_USER"));
if (Boolean.TRUE.equals(claims.get("is_admin", Boolean.class))) {
authorities.add(new SimpleGrantedAuthority("ROLE_ADMIN"));
}
var auth = new UsernamePasswordAuthenticationToken(claims, null, authorities);
SecurityContextHolder.getContext().setAuthentication(auth);
}
}
filterChain.doFilter(request, response);
}
}

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package com.tasteby.security;
import io.jsonwebtoken.Claims;
import io.jsonwebtoken.Jwts;
import io.jsonwebtoken.security.Keys;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;
import javax.crypto.SecretKey;
import java.nio.charset.StandardCharsets;
import java.time.Instant;
import java.time.temporal.ChronoUnit;
import java.util.Date;
import java.util.Map;
@Component
public class JwtTokenProvider {
private final SecretKey key;
private final int expirationDays;
public JwtTokenProvider(
@Value("${app.jwt.secret}") String secret,
@Value("${app.jwt.expiration-days}") int expirationDays) {
// Pad secret to at least 32 bytes for HS256
String padded = secret.length() < 32
? secret + "0".repeat(32 - secret.length())
: secret;
this.key = Keys.hmacShaKeyFor(padded.getBytes(StandardCharsets.UTF_8));
this.expirationDays = expirationDays;
}
public String createToken(Map<String, Object> userInfo) {
Instant now = Instant.now();
Instant exp = now.plus(expirationDays, ChronoUnit.DAYS);
return Jwts.builder()
.subject((String) userInfo.get("id"))
.claim("email", userInfo.get("email"))
.claim("nickname", userInfo.get("nickname"))
.claim("is_admin", userInfo.get("is_admin"))
.issuedAt(Date.from(now))
.expiration(Date.from(exp))
.signWith(key)
.compact();
}
public Claims parseToken(String token) {
return Jwts.parser()
.verifyWith(key)
.build()
.parseSignedClaims(token)
.getPayload();
}
public boolean isValid(String token) {
try {
parseToken(token);
return true;
} catch (Exception e) {
return false;
}
}
}

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package com.tasteby.service;
import com.google.api.client.googleapis.auth.oauth2.GoogleIdToken;
import com.google.api.client.googleapis.auth.oauth2.GoogleIdTokenVerifier;
import com.google.api.client.http.javanet.NetHttpTransport;
import com.google.api.client.json.gson.GsonFactory;
import com.tasteby.repository.UserRepository;
import com.tasteby.security.JwtTokenProvider;
import org.springframework.http.HttpStatus;
import org.springframework.stereotype.Service;
import org.springframework.web.server.ResponseStatusException;
import java.util.Collections;
import java.util.Map;
@Service
public class AuthService {
private final UserRepository userRepo;
private final JwtTokenProvider jwtProvider;
private final GoogleIdTokenVerifier verifier;
public AuthService(UserRepository userRepo, JwtTokenProvider jwtProvider) {
this.userRepo = userRepo;
this.jwtProvider = jwtProvider;
this.verifier = new GoogleIdTokenVerifier.Builder(
new NetHttpTransport(), GsonFactory.getDefaultInstance())
.setAudience(Collections.emptyList()) // Accept any audience
.build();
}
public Map<String, Object> loginGoogle(String idTokenString) {
try {
GoogleIdToken idToken = verifier.verify(idTokenString);
if (idToken == null) {
throw new ResponseStatusException(HttpStatus.UNAUTHORIZED, "Invalid Google token");
}
GoogleIdToken.Payload payload = idToken.getPayload();
Map<String, Object> user = userRepo.findOrCreate(
"google",
payload.getSubject(),
payload.getEmail(),
(String) payload.get("name"),
(String) payload.get("picture")
);
String accessToken = jwtProvider.createToken(user);
return Map.of("access_token", accessToken, "user", user);
} catch (ResponseStatusException e) {
throw e;
} catch (Exception e) {
throw new ResponseStatusException(HttpStatus.UNAUTHORIZED, "Invalid Google token: " + e.getMessage());
}
}
public Map<String, Object> getCurrentUser(String userId) {
Map<String, Object> user = userRepo.findById(userId);
if (user == null) {
throw new ResponseStatusException(HttpStatus.NOT_FOUND, "User not found");
}
return user;
}
}

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package com.tasteby.service;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.stereotype.Service;
import java.time.Duration;
import java.util.Set;
@Service
public class CacheService {
private static final Logger log = LoggerFactory.getLogger(CacheService.class);
private static final String PREFIX = "tasteby:";
private final StringRedisTemplate redis;
private final ObjectMapper mapper;
private final Duration ttl;
private boolean disabled = false;
public CacheService(StringRedisTemplate redis, ObjectMapper mapper,
@Value("${app.cache.ttl-seconds:600}") int ttlSeconds) {
this.redis = redis;
this.mapper = mapper;
this.ttl = Duration.ofSeconds(ttlSeconds);
try {
redis.getConnectionFactory().getConnection().ping();
log.info("Redis connected");
} catch (Exception e) {
log.warn("Redis unavailable ({}), caching disabled", e.getMessage());
disabled = true;
}
}
public String makeKey(String... parts) {
return PREFIX + String.join(":", parts);
}
public <T> T get(String key, Class<T> type) {
if (disabled) return null;
try {
String val = redis.opsForValue().get(key);
if (val != null) {
return mapper.readValue(val, type);
}
} catch (Exception e) {
log.debug("Cache get error: {}", e.getMessage());
}
return null;
}
public String getRaw(String key) {
if (disabled) return null;
try {
return redis.opsForValue().get(key);
} catch (Exception e) {
log.debug("Cache get error: {}", e.getMessage());
return null;
}
}
public void set(String key, Object value) {
if (disabled) return;
try {
String json = mapper.writeValueAsString(value);
redis.opsForValue().set(key, json, ttl);
} catch (JsonProcessingException e) {
log.debug("Cache set error: {}", e.getMessage());
}
}
public void flush() {
if (disabled) return;
try {
Set<String> keys = redis.keys(PREFIX + "*");
if (keys != null && !keys.isEmpty()) {
redis.delete(keys);
}
log.info("Cache flushed");
} catch (Exception e) {
log.debug("Cache flush error: {}", e.getMessage());
}
}
}

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package com.tasteby.service;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.jdbc.core.namedparam.MapSqlParameterSource;
import org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Service;
import java.time.Instant;
import java.time.temporal.ChronoUnit;
/**
* Background daemon that periodically scans channels and processes pending videos.
*/
@Service
public class DaemonScheduler {
private static final Logger log = LoggerFactory.getLogger(DaemonScheduler.class);
private final NamedParameterJdbcTemplate jdbc;
private final YouTubeService youTubeService;
private final PipelineService pipelineService;
private final CacheService cacheService;
public DaemonScheduler(NamedParameterJdbcTemplate jdbc,
YouTubeService youTubeService,
PipelineService pipelineService,
CacheService cacheService) {
this.jdbc = jdbc;
this.youTubeService = youTubeService;
this.pipelineService = pipelineService;
this.cacheService = cacheService;
}
@Scheduled(fixedDelay = 30_000) // Check every 30 seconds
public void run() {
try {
var config = getConfig();
if (config == null) return;
// Channel scanning
if (config.scanEnabled) {
Instant lastScan = config.lastScanAt;
if (lastScan == null || Instant.now().isAfter(lastScan.plus(config.scanIntervalMin, ChronoUnit.MINUTES))) {
log.info("Running scheduled channel scan...");
int newVideos = youTubeService.scanAllChannels();
updateLastScan();
if (newVideos > 0) {
cacheService.flush();
log.info("Scan completed: {} new videos", newVideos);
}
}
}
// Video processing
if (config.processEnabled) {
Instant lastProcess = config.lastProcessAt;
if (lastProcess == null || Instant.now().isAfter(lastProcess.plus(config.processIntervalMin, ChronoUnit.MINUTES))) {
log.info("Running scheduled video processing (limit={})...", config.processLimit);
int restaurants = pipelineService.processPending(config.processLimit);
updateLastProcess();
if (restaurants > 0) {
cacheService.flush();
log.info("Processing completed: {} restaurants extracted", restaurants);
}
}
}
} catch (Exception e) {
log.error("Daemon scheduler error: {}", e.getMessage());
}
}
private record DaemonConfig(
boolean scanEnabled, int scanIntervalMin,
boolean processEnabled, int processIntervalMin, int processLimit,
Instant lastScanAt, Instant lastProcessAt) {}
private DaemonConfig getConfig() {
try {
var rows = jdbc.queryForList(
"SELECT * FROM daemon_config WHERE id = 1",
new MapSqlParameterSource());
if (rows.isEmpty()) return null;
var row = rows.getFirst();
return new DaemonConfig(
toInt(row.get("SCAN_ENABLED")) == 1,
toInt(row.get("SCAN_INTERVAL_MIN")),
toInt(row.get("PROCESS_ENABLED")) == 1,
toInt(row.get("PROCESS_INTERVAL_MIN")),
toInt(row.get("PROCESS_LIMIT")),
row.get("LAST_SCAN_AT") instanceof java.sql.Timestamp ts ? ts.toInstant() : null,
row.get("LAST_PROCESS_AT") instanceof java.sql.Timestamp ts ? ts.toInstant() : null
);
} catch (Exception e) {
log.debug("Cannot read daemon config: {}", e.getMessage());
return null;
}
}
private void updateLastScan() {
jdbc.update("UPDATE daemon_config SET last_scan_at = SYSTIMESTAMP WHERE id = 1",
new MapSqlParameterSource());
}
private void updateLastProcess() {
jdbc.update("UPDATE daemon_config SET last_process_at = SYSTIMESTAMP WHERE id = 1",
new MapSqlParameterSource());
}
private int toInt(Object val) {
if (val == null) return 0;
return ((Number) val).intValue();
}
}

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package com.tasteby.service;
import com.tasteby.util.CuisineTypes;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Service;
import java.util.Collections;
import java.util.List;
import java.util.Map;
@Service
public class ExtractorService {
private static final Logger log = LoggerFactory.getLogger(ExtractorService.class);
private final OciGenAiService genAi;
private static final String EXTRACT_PROMPT = """
다음은 유튜브 먹방/맛집 영상의 자막입니다.
이 영상에서 언급된 모든 식당 정보를 추출하세요.
규칙:
- 식당이 없으면 빈 배열 [] 반환
- 각 식당에 대해 아래 필드를 JSON 배열로 반환
- 확실하지 않은 정보는 null
- 추가 설명 없이 JSON만 반환
필드:
- name: 식당 이름 (string, 필수)
- address: 주소 또는 위치 힌트 (string | null)
- region: 지역을 "나라|시/도|구/군/시" 파이프(|) 구분 형식으로 작성 (string | null)
- 한국 예시: "한국|서울|강남구", "한국|부산|해운대구", "한국|제주", "한국|강원|강릉시"
- 해외 예시: "일본|도쿄", "일본|오사카", "싱가포르", "미국|뉴욕", "태국|방콕"
- 나라는 한글로, 해외 도시도 한글로 표기
- cuisine_type: 아래 목록에서 가장 적합한 것을 선택 (string, 필수). 반드시 아래 목록 중 하나를 사용:
%s
- price_range: 가격대 (예: 1만원대, 2-3만원) (string | null)
- foods_mentioned: 언급된 대표 메뉴 (string[], 최대 10개, 우선순위 높은 순, 반드시 한글로 작성)
- evaluation: 평가 내용 (string | null)
- guests: 함께한 게스트 (string[])
영상 제목: {title}
자막:
{transcript}
JSON 배열:""".formatted(CuisineTypes.CUISINE_LIST_TEXT);
public ExtractorService(OciGenAiService genAi) {
this.genAi = genAi;
}
public record ExtractionResult(List<Map<String, Object>> restaurants, String rawResponse) {}
/**
* Extract restaurant info from a video transcript using LLM.
*/
@SuppressWarnings("unchecked")
public ExtractionResult extractRestaurants(String title, String transcript, String customPrompt) {
// Truncate very long transcripts
if (transcript.length() > 8000) {
transcript = transcript.substring(0, 7000) + "\n...(중략)...\n" + transcript.substring(transcript.length() - 1000);
}
String template = customPrompt != null ? customPrompt : EXTRACT_PROMPT;
String prompt = template.replace("{title}", title).replace("{transcript}", transcript);
try {
String raw = genAi.chat(prompt, 8192);
Object result = genAi.parseJson(raw);
if (result instanceof List<?> list) {
return new ExtractionResult((List<Map<String, Object>>) list, raw);
}
if (result instanceof Map<?, ?> map) {
return new ExtractionResult(List.of((Map<String, Object>) map), raw);
}
return new ExtractionResult(Collections.emptyList(), raw);
} catch (Exception e) {
log.error("Restaurant extraction failed: {}", e.getMessage());
return new ExtractionResult(Collections.emptyList(), "");
}
}
}

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package com.tasteby.service;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;
import org.springframework.web.reactive.function.client.WebClient;
import java.time.Duration;
import java.util.HashMap;
import java.util.Map;
@Service
public class GeocodingService {
private static final Logger log = LoggerFactory.getLogger(GeocodingService.class);
private final WebClient webClient;
private final ObjectMapper mapper;
private final String apiKey;
public GeocodingService(ObjectMapper mapper,
@Value("${app.google.maps-api-key}") String apiKey) {
this.webClient = WebClient.builder()
.baseUrl("https://maps.googleapis.com/maps/api")
.build();
this.mapper = mapper;
this.apiKey = apiKey;
}
/**
* Look up restaurant coordinates via Google Maps.
* Tries Places Text Search first, falls back to Geocoding API.
*/
public Map<String, Object> geocodeRestaurant(String name, String address) {
String query = name;
if (address != null && !address.isBlank()) {
query += " " + address;
}
// Try Places Text Search
Map<String, Object> result = placesTextSearch(query);
if (result != null) return result;
// Fallback: Geocoding
return geocode(query);
}
private Map<String, Object> placesTextSearch(String query) {
try {
String response = webClient.get()
.uri(uriBuilder -> uriBuilder.path("/place/textsearch/json")
.queryParam("query", query)
.queryParam("key", apiKey)
.queryParam("language", "ko")
.queryParam("type", "restaurant")
.build())
.retrieve()
.bodyToMono(String.class)
.block(Duration.ofSeconds(10));
JsonNode data = mapper.readTree(response);
if (!"OK".equals(data.path("status").asText()) || !data.path("results").has(0)) {
return null;
}
JsonNode place = data.path("results").get(0);
JsonNode loc = place.path("geometry").path("location");
var result = new HashMap<String, Object>();
result.put("latitude", loc.path("lat").asDouble());
result.put("longitude", loc.path("lng").asDouble());
result.put("formatted_address", place.path("formatted_address").asText(""));
result.put("google_place_id", place.path("place_id").asText(""));
if (!place.path("business_status").isMissingNode()) {
result.put("business_status", place.path("business_status").asText());
}
if (!place.path("rating").isMissingNode()) {
result.put("rating", place.path("rating").asDouble());
}
if (!place.path("user_ratings_total").isMissingNode()) {
result.put("rating_count", place.path("user_ratings_total").asInt());
}
// Fetch phone/website from Place Details
String placeId = place.path("place_id").asText(null);
if (placeId != null) {
var details = placeDetails(placeId);
if (details != null) {
result.putAll(details);
}
}
return result;
} catch (Exception e) {
log.warn("Places text search failed for '{}': {}", query, e.getMessage());
return null;
}
}
private Map<String, Object> placeDetails(String placeId) {
try {
String response = webClient.get()
.uri(uriBuilder -> uriBuilder.path("/place/details/json")
.queryParam("place_id", placeId)
.queryParam("key", apiKey)
.queryParam("language", "ko")
.queryParam("fields", "formatted_phone_number,website")
.build())
.retrieve()
.bodyToMono(String.class)
.block(Duration.ofSeconds(10));
JsonNode data = mapper.readTree(response);
if (!"OK".equals(data.path("status").asText())) return null;
JsonNode res = data.path("result");
var details = new HashMap<String, Object>();
if (!res.path("formatted_phone_number").isMissingNode()) {
details.put("phone", res.path("formatted_phone_number").asText());
}
if (!res.path("website").isMissingNode()) {
details.put("website", res.path("website").asText());
}
return details;
} catch (Exception e) {
log.warn("Place details failed for '{}': {}", placeId, e.getMessage());
return null;
}
}
private Map<String, Object> geocode(String query) {
try {
String response = webClient.get()
.uri(uriBuilder -> uriBuilder.path("/geocode/json")
.queryParam("address", query)
.queryParam("key", apiKey)
.queryParam("language", "ko")
.build())
.retrieve()
.bodyToMono(String.class)
.block(Duration.ofSeconds(10));
JsonNode data = mapper.readTree(response);
if (!"OK".equals(data.path("status").asText()) || !data.path("results").has(0)) {
return null;
}
JsonNode result = data.path("results").get(0);
JsonNode loc = result.path("geometry").path("location");
var map = new HashMap<String, Object>();
map.put("latitude", loc.path("lat").asDouble());
map.put("longitude", loc.path("lng").asDouble());
map.put("formatted_address", result.path("formatted_address").asText(""));
map.put("google_place_id", "");
return map;
} catch (Exception e) {
log.warn("Geocoding failed for '{}': {}", query, e.getMessage());
return null;
}
}
}

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package com.tasteby.service;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.oracle.bmc.ConfigFileReader;
import com.oracle.bmc.auth.ConfigFileAuthenticationDetailsProvider;
import com.oracle.bmc.generativeaiinference.GenerativeAiInferenceClient;
import com.oracle.bmc.generativeaiinference.model.*;
import com.oracle.bmc.generativeaiinference.requests.ChatRequest;
import com.oracle.bmc.generativeaiinference.requests.EmbedTextRequest;
import com.oracle.bmc.generativeaiinference.responses.ChatResponse;
import com.oracle.bmc.generativeaiinference.responses.EmbedTextResponse;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;
import jakarta.annotation.PostConstruct;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
@Service
public class OciGenAiService {
private static final Logger log = LoggerFactory.getLogger(OciGenAiService.class);
private static final int EMBED_BATCH_SIZE = 96;
@Value("${app.oci.compartment-id}")
private String compartmentId;
@Value("${app.oci.chat-endpoint}")
private String chatEndpoint;
@Value("${app.oci.embed-endpoint}")
private String embedEndpoint;
@Value("${app.oci.chat-model-id}")
private String chatModelId;
@Value("${app.oci.embed-model-id}")
private String embedModelId;
private final ObjectMapper mapper;
private ConfigFileAuthenticationDetailsProvider authProvider;
public OciGenAiService(ObjectMapper mapper) {
this.mapper = mapper;
}
@PostConstruct
public void init() {
try {
ConfigFileReader.ConfigFile configFile = ConfigFileReader.parseDefault();
authProvider = new ConfigFileAuthenticationDetailsProvider(configFile);
log.info("OCI GenAI auth configured");
} catch (Exception e) {
log.warn("OCI config not found, GenAI features disabled: {}", e.getMessage());
}
}
/**
* Call OCI GenAI LLM (Chat).
*/
public String chat(String prompt, int maxTokens) {
if (authProvider == null) throw new IllegalStateException("OCI GenAI not configured");
try (var client = GenerativeAiInferenceClient.builder()
.endpoint(chatEndpoint)
.build(authProvider)) {
var textContent = TextContent.builder().text(prompt).build();
var userMessage = UserMessage.builder().content(List.of(textContent)).build();
var chatRequest = GenericChatRequest.builder()
.messages(List.of(userMessage))
.maxTokens(maxTokens)
.temperature(0.0)
.build();
var chatDetails = ChatDetails.builder()
.compartmentId(compartmentId)
.servingMode(OnDemandServingMode.builder().modelId(chatModelId).build())
.chatRequest(chatRequest)
.build();
ChatResponse response = client.chat(
ChatRequest.builder().chatDetails(chatDetails).build());
var chatResult = (GenericChatResponse) response.getChatResult().getChatResponse();
var choice = chatResult.getChoices().get(0);
var content = ((TextContent) choice.getMessage().getContent().get(0)).getText();
return content.trim();
}
}
/**
* Generate embeddings for a list of texts.
*/
public List<List<Double>> embedTexts(List<String> texts) {
if (authProvider == null) throw new IllegalStateException("OCI GenAI not configured");
List<List<Double>> allEmbeddings = new ArrayList<>();
for (int i = 0; i < texts.size(); i += EMBED_BATCH_SIZE) {
List<String> batch = texts.subList(i, Math.min(i + EMBED_BATCH_SIZE, texts.size()));
allEmbeddings.addAll(embedBatch(batch));
}
return allEmbeddings;
}
private List<List<Double>> embedBatch(List<String> texts) {
try (var client = GenerativeAiInferenceClient.builder()
.endpoint(embedEndpoint)
.build(authProvider)) {
var embedDetails = EmbedTextDetails.builder()
.inputs(texts)
.servingMode(OnDemandServingMode.builder().modelId(embedModelId).build())
.compartmentId(compartmentId)
.inputType(EmbedTextDetails.InputType.SearchDocument)
.build();
EmbedTextResponse response = client.embedText(
EmbedTextRequest.builder().embedTextDetails(embedDetails).build());
return response.getEmbedTextResult().getEmbeddings()
.stream()
.map(emb -> emb.stream().map(Number::doubleValue).toList())
.toList();
}
}
/**
* Parse LLM response as JSON (handles markdown code blocks, truncated arrays, etc.)
*/
public Object parseJson(String raw) {
// Strip markdown code blocks
raw = raw.replaceAll("(?m)^```(?:json)?\\s*|\\s*```$", "").trim();
// Remove trailing commas
raw = raw.replaceAll(",\\s*([}\\]])", "$1");
try {
return mapper.readValue(raw, Object.class);
} catch (Exception ignored) {}
// Try to recover truncated array
if (raw.trim().startsWith("[")) {
List<Object> items = new ArrayList<>();
int idx = raw.indexOf('[') + 1;
while (idx < raw.length()) {
while (idx < raw.length() && " \t\n\r,".indexOf(raw.charAt(idx)) >= 0) idx++;
if (idx >= raw.length() || raw.charAt(idx) == ']') break;
// Try to parse next object
boolean found = false;
for (int end = idx + 1; end <= raw.length(); end++) {
try {
Object obj = mapper.readValue(raw.substring(idx, end), Object.class);
items.add(obj);
idx = end;
found = true;
break;
} catch (Exception ignored2) {}
}
if (!found) break;
}
if (!items.isEmpty()) {
log.info("Recovered {} items from truncated JSON", items.size());
return items;
}
}
throw new RuntimeException("JSON parse failed: " + raw.substring(0, Math.min(80, raw.length())));
}
}

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package com.tasteby.service;
import com.tasteby.repository.RestaurantRepository;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.jdbc.core.namedparam.MapSqlParameterSource;
import org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate;
import org.springframework.stereotype.Service;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* Data pipeline: process pending videos end-to-end.
* 1. Fetch transcript
* 2. Extract restaurant info via LLM
* 3. Geocode each restaurant
* 4. Save to DB + generate vector embeddings
*/
@Service
public class PipelineService {
private static final Logger log = LoggerFactory.getLogger(PipelineService.class);
private final NamedParameterJdbcTemplate jdbc;
private final YouTubeService youTubeService;
private final ExtractorService extractorService;
private final GeocodingService geocodingService;
private final RestaurantRepository restaurantRepo;
private final VectorService vectorService;
private final CacheService cacheService;
public PipelineService(NamedParameterJdbcTemplate jdbc,
YouTubeService youTubeService,
ExtractorService extractorService,
GeocodingService geocodingService,
RestaurantRepository restaurantRepo,
VectorService vectorService,
CacheService cacheService) {
this.jdbc = jdbc;
this.youTubeService = youTubeService;
this.extractorService = extractorService;
this.geocodingService = geocodingService;
this.restaurantRepo = restaurantRepo;
this.vectorService = vectorService;
this.cacheService = cacheService;
}
/**
* Process a single pending video. Returns number of restaurants found.
*/
public int processVideo(Map<String, Object> video) {
String videoDbId = (String) video.get("id");
String videoId = (String) video.get("video_id");
String title = (String) video.get("title");
log.info("Processing video: {} ({})", title, videoId);
updateVideoStatus(videoDbId, "processing", null, null);
try {
// 1. Transcript
var transcript = youTubeService.getTranscript(videoId, "auto");
if (transcript == null || transcript.text() == null) {
log.warn("No transcript for {}, marking done", videoId);
updateVideoStatus(videoDbId, "done", null, null);
return 0;
}
updateVideoStatus(videoDbId, "processing", transcript.text(), null);
// 2. LLM extraction + geocode + save
return processExtract(video, transcript.text(), null);
} catch (Exception e) {
log.error("Pipeline error for {}: {}", videoId, e.getMessage(), e);
updateVideoStatus(videoDbId, "error", null, null);
return 0;
}
}
/**
* Run LLM extraction + geocode + save on existing transcript.
*/
@SuppressWarnings("unchecked")
public int processExtract(Map<String, Object> video, String transcript, String customPrompt) {
String videoDbId = (String) video.get("id");
String title = (String) video.get("title");
var result = extractorService.extractRestaurants(title, transcript, customPrompt);
if (result.restaurants().isEmpty()) {
updateVideoStatus(videoDbId, "done", null, result.rawResponse());
return 0;
}
int count = 0;
for (var restData : result.restaurants()) {
String name = (String) restData.get("name");
if (name == null) continue;
// Geocode
var geo = geocodingService.geocodeRestaurant(
name, (String) restData.get("address"));
// Build upsert data
var data = new HashMap<String, Object>();
data.put("name", name);
data.put("address", geo != null ? geo.get("formatted_address") : restData.get("address"));
data.put("region", restData.get("region"));
data.put("latitude", geo != null ? geo.get("latitude") : null);
data.put("longitude", geo != null ? geo.get("longitude") : null);
data.put("cuisine_type", restData.get("cuisine_type"));
data.put("price_range", restData.get("price_range"));
data.put("google_place_id", geo != null ? geo.get("google_place_id") : null);
data.put("phone", geo != null ? geo.get("phone") : null);
data.put("website", geo != null ? geo.get("website") : null);
data.put("business_status", geo != null ? geo.get("business_status") : null);
data.put("rating", geo != null ? geo.get("rating") : null);
data.put("rating_count", geo != null ? geo.get("rating_count") : null);
String restId = restaurantRepo.upsert(data);
// Link video <-> restaurant
var foods = restData.get("foods_mentioned");
var evaluation = restData.get("evaluation");
var guests = restData.get("guests");
restaurantRepo.linkVideoRestaurant(
videoDbId, restId,
foods instanceof List<?> ? (List<String>) foods : null,
evaluation instanceof String ? (String) evaluation : null,
guests instanceof List<?> ? (List<String>) guests : null
);
// Vector embeddings
var chunks = VectorService.buildChunks(name, restData, title);
if (!chunks.isEmpty()) {
try {
vectorService.saveRestaurantVectors(restId, chunks);
} catch (Exception e) {
log.warn("Vector save failed for {}: {}", name, e.getMessage());
}
}
count++;
log.info("Saved restaurant: {} (geocoded={})", name, geo != null);
}
updateVideoStatus(videoDbId, "done", null, result.rawResponse());
log.info("Video {} done: {} restaurants", video.get("video_id"), count);
return count;
}
/**
* Process up to `limit` pending videos.
*/
public int processPending(int limit) {
String sql = """
SELECT id, video_id, title, url FROM videos
WHERE status = 'pending' ORDER BY created_at
FETCH FIRST :n ROWS ONLY
""";
var videos = jdbc.queryForList(sql, new MapSqlParameterSource("n", limit));
if (videos.isEmpty()) {
log.info("No pending videos");
return 0;
}
int total = 0;
for (var v : videos) {
// Normalize Oracle uppercase keys
var normalized = normalizeKeys(v);
total += processVideo(normalized);
}
if (total > 0) cacheService.flush();
return total;
}
private void updateVideoStatus(String videoDbId, String status, String transcript, String llmRaw) {
var sets = new java.util.ArrayList<>(List.of("status = :st", "processed_at = SYSTIMESTAMP"));
var params = new MapSqlParameterSource().addValue("st", status).addValue("vid", videoDbId);
if (transcript != null) {
sets.add("transcript_text = :txt");
params.addValue("txt", transcript);
}
if (llmRaw != null) {
sets.add("llm_raw_response = :llm");
params.addValue("llm", llmRaw);
}
String sql = "UPDATE videos SET " + String.join(", ", sets) + " WHERE id = :vid";
jdbc.update(sql, params);
}
private Map<String, Object> normalizeKeys(Map<String, Object> row) {
var result = new HashMap<String, Object>();
for (var entry : row.entrySet()) {
result.put(entry.getKey().toLowerCase(), entry.getValue());
}
return result;
}
}

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package com.tasteby.service;
import com.tasteby.repository.RestaurantRepository;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.jdbc.core.namedparam.MapSqlParameterSource;
import org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate;
import org.springframework.stereotype.Service;
import java.util.*;
@Service
public class SearchService {
private static final Logger log = LoggerFactory.getLogger(SearchService.class);
private final NamedParameterJdbcTemplate jdbc;
private final RestaurantRepository restaurantRepo;
private final VectorService vectorService;
private final CacheService cache;
public SearchService(NamedParameterJdbcTemplate jdbc,
RestaurantRepository restaurantRepo,
VectorService vectorService,
CacheService cache) {
this.jdbc = jdbc;
this.restaurantRepo = restaurantRepo;
this.vectorService = vectorService;
this.cache = cache;
}
public List<Map<String, Object>> search(String q, String mode, int limit) {
String key = cache.makeKey("search", "q=" + q, "m=" + mode, "l=" + limit);
String cached = cache.getRaw(key);
if (cached != null) {
// Deserialize from cache
try {
var mapper = new com.fasterxml.jackson.databind.ObjectMapper();
return mapper.readValue(cached, new com.fasterxml.jackson.core.type.TypeReference<>() {});
} catch (Exception ignored) {}
}
List<Map<String, Object>> result;
switch (mode) {
case "semantic" -> result = semanticSearch(q, limit);
case "hybrid" -> {
var kw = keywordSearch(q, limit);
var sem = semanticSearch(q, limit);
Set<String> seen = new HashSet<>();
var merged = new ArrayList<Map<String, Object>>();
for (var r : kw) {
String id = (String) r.get("ID");
if (id == null) id = (String) r.get("id");
if (seen.add(id)) merged.add(r);
}
for (var r : sem) {
String id = (String) r.get("ID");
if (id == null) id = (String) r.get("id");
if (seen.add(id)) merged.add(r);
}
result = merged.size() > limit ? merged.subList(0, limit) : merged;
}
default -> result = keywordSearch(q, limit);
}
cache.set(key, result);
return result;
}
private List<Map<String, Object>> keywordSearch(String q, int limit) {
String pattern = "%" + q + "%";
String sql = """
SELECT DISTINCT r.id, r.name, r.address, r.region, r.latitude, r.longitude,
r.cuisine_type, r.price_range, r.google_place_id,
r.business_status, r.rating, r.rating_count
FROM restaurants r
JOIN video_restaurants vr ON vr.restaurant_id = r.id
JOIN videos v ON v.id = vr.video_id
WHERE r.latitude IS NOT NULL
AND (UPPER(r.name) LIKE UPPER(:q)
OR UPPER(r.address) LIKE UPPER(:q)
OR UPPER(r.region) LIKE UPPER(:q)
OR UPPER(r.cuisine_type) LIKE UPPER(:q)
OR UPPER(vr.foods_mentioned) LIKE UPPER(:q)
OR UPPER(v.title) LIKE UPPER(:q))
FETCH FIRST :lim ROWS ONLY
""";
var params = new MapSqlParameterSource().addValue("q", pattern).addValue("lim", limit);
List<Map<String, Object>> rows = jdbc.queryForList(sql, params);
if (!rows.isEmpty()) {
attachChannels(rows);
}
return rows;
}
private List<Map<String, Object>> semanticSearch(String q, int limit) {
try {
var similar = vectorService.searchSimilar(q, Math.max(30, limit * 3), 0.57);
if (similar.isEmpty()) return List.of();
// Deduplicate by restaurant_id, preserving distance order
Set<String> seen = new LinkedHashSet<>();
for (var s : similar) {
seen.add((String) s.get("restaurant_id"));
}
List<Map<String, Object>> results = new ArrayList<>();
for (String rid : seen) {
if (results.size() >= limit) break;
var r = restaurantRepo.findById(rid);
if (r != null && r.get("latitude") != null) {
results.add(r);
}
}
if (!results.isEmpty()) attachChannels(results);
return results;
} catch (Exception e) {
log.warn("Semantic search failed, falling back to keyword: {}", e.getMessage());
return keywordSearch(q, limit);
}
}
private void attachChannels(List<Map<String, Object>> rows) {
List<String> ids = rows.stream()
.map(r -> {
Object id = r.get("ID");
if (id == null) id = r.get("id");
return (String) id;
})
.filter(Objects::nonNull).toList();
if (ids.isEmpty()) return;
var params = new MapSqlParameterSource();
var placeholders = new ArrayList<String>();
for (int i = 0; i < ids.size(); i++) {
placeholders.add(":id" + i);
params.addValue("id" + i, ids.get(i));
}
String sql = """
SELECT DISTINCT vr.restaurant_id, c.channel_name
FROM video_restaurants vr
JOIN videos v ON v.id = vr.video_id
JOIN channels c ON c.id = v.channel_id
WHERE vr.restaurant_id IN (%s)
""".formatted(String.join(", ", placeholders));
Map<String, List<String>> chMap = new HashMap<>();
jdbc.query(sql, params, rs -> {
chMap.computeIfAbsent(rs.getString("RESTAURANT_ID"), k -> new ArrayList<>())
.add(rs.getString("CHANNEL_NAME"));
});
for (var r : rows) {
String id = (String) r.get("ID");
if (id == null) id = (String) r.get("id");
r.put("channels", chMap.getOrDefault(id, List.of()));
}
}
}

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package com.tasteby.service;
import com.tasteby.util.JsonUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.jdbc.core.namedparam.MapSqlParameterSource;
import org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate;
import org.springframework.stereotype.Service;
import java.util.*;
@Service
public class VectorService {
private static final Logger log = LoggerFactory.getLogger(VectorService.class);
private final NamedParameterJdbcTemplate jdbc;
private final OciGenAiService genAi;
public VectorService(NamedParameterJdbcTemplate jdbc, OciGenAiService genAi) {
this.jdbc = jdbc;
this.genAi = genAi;
}
/**
* Search similar restaurants by vector distance.
*/
public List<Map<String, Object>> searchSimilar(String query, int topK, double maxDistance) {
List<List<Double>> embeddings = genAi.embedTexts(List.of(query));
if (embeddings.isEmpty()) return List.of();
// Convert to float array for Oracle VECTOR type
float[] queryVec = new float[embeddings.getFirst().size()];
for (int i = 0; i < queryVec.length; i++) {
queryVec[i] = embeddings.getFirst().get(i).floatValue();
}
String sql = """
SELECT rv.restaurant_id, rv.chunk_text,
VECTOR_DISTANCE(rv.embedding, :qvec, COSINE) AS dist
FROM restaurant_vectors rv
WHERE VECTOR_DISTANCE(rv.embedding, :qvec2, COSINE) <= :max_dist
ORDER BY dist
FETCH FIRST :k ROWS ONLY
""";
var params = new MapSqlParameterSource();
params.addValue("qvec", queryVec);
params.addValue("qvec2", queryVec);
params.addValue("max_dist", maxDistance);
params.addValue("k", topK);
return jdbc.query(sql, params, (rs, rowNum) -> {
Map<String, Object> m = new LinkedHashMap<>();
m.put("restaurant_id", rs.getString("RESTAURANT_ID"));
m.put("chunk_text", JsonUtil.readClob(rs.getObject("CHUNK_TEXT")));
m.put("distance", rs.getDouble("DIST"));
return m;
});
}
/**
* Save vector embeddings for a restaurant.
*/
public void saveRestaurantVectors(String restaurantId, List<String> chunks) {
if (chunks.isEmpty()) return;
List<List<Double>> embeddings = genAi.embedTexts(chunks);
String sql = """
INSERT INTO restaurant_vectors (id, restaurant_id, chunk_text, embedding)
VALUES (:id, :rid, :chunk, :emb)
""";
for (int i = 0; i < chunks.size(); i++) {
String id = UUID.randomUUID().toString().replace("-", "").substring(0, 32).toUpperCase();
float[] vec = new float[embeddings.get(i).size()];
for (int j = 0; j < vec.length; j++) {
vec[j] = embeddings.get(i).get(j).floatValue();
}
var params = new MapSqlParameterSource();
params.addValue("id", id);
params.addValue("rid", restaurantId);
params.addValue("chunk", chunks.get(i));
params.addValue("emb", vec);
jdbc.update(sql, params);
}
}
/**
* Build a text chunk for vector embedding from restaurant data.
*/
public static List<String> buildChunks(String name, Map<String, Object> data, String videoTitle) {
var parts = new ArrayList<String>();
parts.add("식당: " + name);
if (data.get("region") != null) parts.add("지역: " + data.get("region"));
if (data.get("cuisine_type") != null) parts.add("음식 종류: " + data.get("cuisine_type"));
if (data.get("foods_mentioned") instanceof List<?> foods && !foods.isEmpty()) {
parts.add("메뉴: " + String.join(", ", foods.stream().map(Object::toString).toList()));
}
if (data.get("evaluation") != null) parts.add("평가: " + data.get("evaluation"));
if (data.get("price_range") != null) parts.add("가격대: " + data.get("price_range"));
parts.add("영상: " + videoTitle);
return List.of(String.join("\n", parts));
}
}

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package com.tasteby.service;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import io.github.thoroldvix.api.Transcript;
import io.github.thoroldvix.api.TranscriptContent;
import io.github.thoroldvix.api.TranscriptList;
import io.github.thoroldvix.api.TranscriptApiFactory;
import io.github.thoroldvix.api.YoutubeTranscriptApi;
import com.microsoft.playwright.*;
import com.microsoft.playwright.options.Cookie;
import com.microsoft.playwright.options.WaitUntilState;
import com.tasteby.repository.ChannelRepository;
import com.tasteby.repository.VideoRepository;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;
import org.springframework.web.reactive.function.client.WebClient;
import java.nio.file.Path;
import java.time.Duration;
import java.util.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.stream.Collectors;
@Service
public class YouTubeService {
private static final Logger log = LoggerFactory.getLogger(YouTubeService.class);
private static final Pattern DURATION_PATTERN = Pattern.compile("PT(?:(\\d+)H)?(?:(\\d+)M)?(?:(\\d+)S)?");
private final WebClient webClient;
private final ObjectMapper mapper;
private final ChannelRepository channelRepo;
private final VideoRepository videoRepo;
private final String apiKey;
public YouTubeService(ObjectMapper mapper,
ChannelRepository channelRepo,
VideoRepository videoRepo,
@Value("${app.google.youtube-api-key}") String apiKey) {
this.webClient = WebClient.builder()
.baseUrl("https://www.googleapis.com/youtube/v3")
.build();
this.mapper = mapper;
this.channelRepo = channelRepo;
this.videoRepo = videoRepo;
this.apiKey = apiKey;
}
/**
* Fetch videos from a YouTube channel, page by page.
* Returns all pages merged into one list.
*/
public List<Map<String, Object>> fetchChannelVideos(String channelId, String publishedAfter, boolean excludeShorts) {
List<Map<String, Object>> allVideos = new ArrayList<>();
String nextPage = null;
do {
String pageToken = nextPage;
String response = webClient.get()
.uri(uriBuilder -> {
var b = uriBuilder.path("/search")
.queryParam("key", apiKey)
.queryParam("channelId", channelId)
.queryParam("part", "snippet")
.queryParam("order", "date")
.queryParam("maxResults", 50)
.queryParam("type", "video");
if (publishedAfter != null) b.queryParam("publishedAfter", publishedAfter);
if (pageToken != null) b.queryParam("pageToken", pageToken);
return b.build();
})
.retrieve()
.bodyToMono(String.class)
.block(Duration.ofSeconds(30));
try {
JsonNode data = mapper.readTree(response);
List<Map<String, Object>> pageVideos = new ArrayList<>();
for (JsonNode item : data.path("items")) {
String vid = item.path("id").path("videoId").asText();
JsonNode snippet = item.path("snippet");
pageVideos.add(Map.of(
"video_id", vid,
"title", snippet.path("title").asText(),
"published_at", snippet.path("publishedAt").asText(),
"url", "https://www.youtube.com/watch?v=" + vid
));
}
if (excludeShorts && !pageVideos.isEmpty()) {
pageVideos = filterShorts(pageVideos);
}
allVideos.addAll(pageVideos);
nextPage = data.has("nextPageToken") ? data.path("nextPageToken").asText() : null;
} catch (Exception e) {
log.error("Failed to parse YouTube API response", e);
break;
}
} while (nextPage != null);
return allVideos;
}
/**
* Filter out YouTube Shorts (<=60s duration).
*/
private List<Map<String, Object>> filterShorts(List<Map<String, Object>> videos) {
String ids = String.join(",", videos.stream().map(v -> (String) v.get("video_id")).toList());
String response = webClient.get()
.uri(uriBuilder -> uriBuilder.path("/videos")
.queryParam("key", apiKey)
.queryParam("id", ids)
.queryParam("part", "contentDetails")
.build())
.retrieve()
.bodyToMono(String.class)
.block(Duration.ofSeconds(30));
try {
JsonNode data = mapper.readTree(response);
Map<String, Integer> durations = new HashMap<>();
for (JsonNode item : data.path("items")) {
String duration = item.path("contentDetails").path("duration").asText();
durations.put(item.path("id").asText(), parseDuration(duration));
}
return videos.stream()
.filter(v -> durations.getOrDefault(v.get("video_id"), 0) > 60)
.toList();
} catch (Exception e) {
log.warn("Failed to filter shorts", e);
return videos;
}
}
private int parseDuration(String dur) {
Matcher m = DURATION_PATTERN.matcher(dur != null ? dur : "");
if (!m.matches()) return 0;
int h = m.group(1) != null ? Integer.parseInt(m.group(1)) : 0;
int min = m.group(2) != null ? Integer.parseInt(m.group(2)) : 0;
int s = m.group(3) != null ? Integer.parseInt(m.group(3)) : 0;
return h * 3600 + min * 60 + s;
}
/**
* Scan a single channel for new videos. Returns scan result map.
*/
public Map<String, Object> scanChannel(String channelId, boolean full) {
var ch = channelRepo.findByChannelId(channelId);
if (ch == null) return null;
String dbId = (String) ch.get("ID");
String titleFilter = (String) ch.get("TITLE_FILTER");
String after = full ? null : videoRepo.getLatestVideoDate(dbId);
Set<String> existing = videoRepo.getExistingVideoIds(dbId);
List<Map<String, Object>> allFetched = fetchChannelVideos(channelId, after, true);
int totalFetched = allFetched.size();
List<Map<String, Object>> candidates = new ArrayList<>();
for (var v : allFetched) {
if (titleFilter != null && !((String) v.get("title")).contains(titleFilter)) continue;
if (existing.contains(v.get("video_id"))) continue;
candidates.add(v);
}
int newCount = videoRepo.saveVideosBatch(dbId, candidates);
return Map.of(
"total_fetched", totalFetched,
"new_videos", newCount,
"filtered", titleFilter != null ? totalFetched - candidates.size() : 0
);
}
/**
* Scan all active channels. Returns total new video count.
*/
public int scanAllChannels() {
var channels = channelRepo.findAllActive();
int totalNew = 0;
for (var ch : channels) {
try {
String chId = (String) ch.get("channel_id");
var result = scanChannel(chId, false);
if (result != null) {
totalNew += ((Number) result.get("new_videos")).intValue();
}
} catch (Exception e) {
log.error("Failed to scan channel {}: {}", ch.get("channel_name"), e.getMessage());
}
}
return totalNew;
}
public record TranscriptResult(String text, String source) {}
private static final List<String> PREFERRED_LANGS = List.of("ko", "en");
private final YoutubeTranscriptApi transcriptApi = TranscriptApiFactory.createDefault();
/**
* Fetch transcript for a YouTube video.
* Tries API first (fast), then falls back to Playwright browser extraction.
* @param mode "auto" = manual first then generated, "manual" = manual only, "generated" = generated only
*/
public TranscriptResult getTranscript(String videoId, String mode) {
if (mode == null) mode = "auto";
// 1) Fast path: youtube-transcript-api
TranscriptResult apiResult = getTranscriptApi(videoId, mode);
if (apiResult != null) return apiResult;
// 2) Fallback: Playwright browser
log.warn("API failed for {}, trying Playwright browser", videoId);
return getTranscriptBrowser(videoId);
}
private TranscriptResult getTranscriptApi(String videoId, String mode) {
TranscriptList transcriptList;
try {
transcriptList = transcriptApi.listTranscripts(videoId);
} catch (Exception e) {
log.warn("Cannot list transcripts for {}: {}", videoId, e.getMessage());
return null;
}
String[] langs = PREFERRED_LANGS.toArray(String[]::new);
return switch (mode) {
case "manual" -> fetchTranscript(transcriptList, langs, true);
case "generated" -> fetchTranscript(transcriptList, langs, false);
default -> {
// auto: try manual first, then generated
var result = fetchTranscript(transcriptList, langs, true);
if (result != null) yield result;
yield fetchTranscript(transcriptList, langs, false);
}
};
}
private TranscriptResult fetchTranscript(TranscriptList list, String[] langs, boolean manual) {
Transcript picked;
try {
picked = manual ? list.findManualTranscript(langs) : list.findGeneratedTranscript(langs);
} catch (Exception e) {
return null;
}
try {
TranscriptContent content = picked.fetch();
String text = content.getContent().stream()
.map(TranscriptContent.Fragment::getText)
.collect(Collectors.joining(" "));
if (text.isBlank()) return null;
String label = manual ? "manual" : "generated";
return new TranscriptResult(text, label + " (" + picked.getLanguageCode() + ")");
} catch (Exception e) {
log.warn("Failed to fetch transcript for language {}: {}", picked.getLanguageCode(), e.getMessage());
return null;
}
}
// ─── Playwright browser fallback ───────────────────────────────────────────
@SuppressWarnings("unchecked")
private TranscriptResult getTranscriptBrowser(String videoId) {
try (Playwright pw = Playwright.create()) {
BrowserType.LaunchOptions launchOpts = new BrowserType.LaunchOptions()
.setHeadless(false)
.setArgs(List.of("--disable-blink-features=AutomationControlled"));
try (Browser browser = pw.chromium().launch(launchOpts)) {
Browser.NewContextOptions ctxOpts = new Browser.NewContextOptions()
.setLocale("ko-KR")
.setViewportSize(1280, 900);
BrowserContext ctx = browser.newContext(ctxOpts);
// Load YouTube cookies if available
loadCookies(ctx);
Page page = ctx.newPage();
// Hide webdriver flag to reduce bot detection
page.addInitScript("Object.defineProperty(navigator, 'webdriver', {get: () => false})");
log.info("[TRANSCRIPT] Opening YouTube page for {}", videoId);
page.navigate("https://www.youtube.com/watch?v=" + videoId,
new Page.NavigateOptions().setWaitUntil(WaitUntilState.DOMCONTENTLOADED).setTimeout(30000));
page.waitForTimeout(5000);
// Skip ads if present
skipAds(page);
page.waitForTimeout(2000);
log.info("[TRANSCRIPT] Page loaded, looking for transcript button");
// Click "더보기" (expand description)
page.evaluate("""
() => {
const moreBtn = document.querySelector('tp-yt-paper-button#expand');
if (moreBtn) moreBtn.click();
}
""");
page.waitForTimeout(2000);
// Click transcript button
Object clicked = page.evaluate("""
() => {
// Method 1: aria-label
for (const label of ['스크립트 표시', 'Show transcript']) {
const btns = document.querySelectorAll(`button[aria-label="${label}"]`);
for (const b of btns) { b.click(); return 'aria-label: ' + label; }
}
// Method 2: text content
const allBtns = document.querySelectorAll('button');
for (const b of allBtns) {
const text = b.textContent.trim();
if (text === '스크립트 표시' || text === 'Show transcript') {
b.click();
return 'text: ' + text;
}
}
// Method 3: engagement panel buttons
const engBtns = document.querySelectorAll('ytd-button-renderer button, ytd-button-renderer a');
for (const b of engBtns) {
const text = b.textContent.trim().toLowerCase();
if (text.includes('transcript') || text.includes('스크립트')) {
b.click();
return 'engagement: ' + text;
}
}
return false;
}
""");
log.info("[TRANSCRIPT] Clicked transcript button: {}", clicked);
if (Boolean.FALSE.equals(clicked)) {
Object btnLabels = page.evaluate("""
() => {
const btns = document.querySelectorAll('button[aria-label]');
return Array.from(btns).map(b => b.getAttribute('aria-label')).slice(0, 30);
}
""");
log.warn("[TRANSCRIPT] Transcript button not found. Available buttons: {}", btnLabels);
return null;
}
// Wait for transcript segments to appear (max ~40s)
page.waitForTimeout(3000);
for (int attempt = 0; attempt < 12; attempt++) {
page.waitForTimeout(3000);
Object count = page.evaluate(
"() => document.querySelectorAll('ytd-transcript-segment-renderer').length");
int segCount = count instanceof Number n ? n.intValue() : 0;
log.info("[TRANSCRIPT] Wait {}s: {} segments", (attempt + 1) * 3 + 3, segCount);
if (segCount > 0) break;
}
// Select Korean if available
selectKorean(page);
// Scroll transcript panel and collect segments
Object segmentsObj = page.evaluate("""
async () => {
const container = document.querySelector(
'ytd-transcript-segment-list-renderer #segments-container, ' +
'ytd-transcript-renderer #body'
);
if (!container) {
const segs = document.querySelectorAll('ytd-transcript-segment-renderer');
return Array.from(segs).map(s => {
const txt = s.querySelector('.segment-text, yt-formatted-string.segment-text');
return txt ? txt.textContent.trim() : '';
}).filter(t => t);
}
let prevCount = 0;
for (let i = 0; i < 50; i++) {
container.scrollTop = container.scrollHeight;
await new Promise(r => setTimeout(r, 300));
const segs = document.querySelectorAll('ytd-transcript-segment-renderer');
if (segs.length === prevCount && i > 3) break;
prevCount = segs.length;
}
const segs = document.querySelectorAll('ytd-transcript-segment-renderer');
return Array.from(segs).map(s => {
const txt = s.querySelector('.segment-text, yt-formatted-string.segment-text');
return txt ? txt.textContent.trim() : '';
}).filter(t => t);
}
""");
if (segmentsObj instanceof List<?> segments && !segments.isEmpty()) {
String text = segments.stream()
.map(Object::toString)
.collect(Collectors.joining(" "));
log.info("[TRANSCRIPT] Browser success: {} chars from {} segments", text.length(), segments.size());
return new TranscriptResult(text, "browser");
}
log.warn("[TRANSCRIPT] No segments found via browser for {}", videoId);
return null;
}
} catch (Exception e) {
log.error("[TRANSCRIPT] Playwright failed for {}: {}", videoId, e.getMessage());
return null;
}
}
private void skipAds(Page page) {
for (int i = 0; i < 12; i++) {
Object adStatus = page.evaluate("""
() => {
const skipBtn = document.querySelector('.ytp-skip-ad-button, .ytp-ad-skip-button, .ytp-ad-skip-button-modern, button.ytp-ad-skip-button-modern');
if (skipBtn) { skipBtn.click(); return 'skipped'; }
const adOverlay = document.querySelector('.ytp-ad-player-overlay, .ad-showing');
if (adOverlay) return 'playing';
const adBadge = document.querySelector('.ytp-ad-text');
if (adBadge && adBadge.textContent) return 'badge';
return 'none';
}
""");
String status = String.valueOf(adStatus);
if ("none".equals(status)) break;
log.info("[TRANSCRIPT] Ad detected: {}, waiting...", status);
if ("skipped".equals(status)) {
page.waitForTimeout(2000);
break;
}
page.waitForTimeout(5000);
}
}
private void selectKorean(Page page) {
page.evaluate("""
() => {
const menu = document.querySelector('ytd-transcript-renderer ytd-menu-renderer yt-dropdown-menu');
if (!menu) return;
const trigger = menu.querySelector('button, tp-yt-paper-button');
if (trigger) trigger.click();
}
""");
page.waitForTimeout(1000);
page.evaluate("""
() => {
const items = document.querySelectorAll('tp-yt-paper-listbox a, tp-yt-paper-listbox tp-yt-paper-item');
for (const item of items) {
const text = item.textContent.trim();
if (text.includes('한국어') || text.includes('Korean')) {
item.click();
return;
}
}
}
""");
page.waitForTimeout(2000);
}
private void loadCookies(BrowserContext ctx) {
try {
Path cookieFile = Path.of(System.getProperty("user.dir"), "cookies.txt");
if (!cookieFile.toFile().exists()) return;
List<String> lines = java.nio.file.Files.readAllLines(cookieFile);
List<Cookie> cookies = new ArrayList<>();
for (String line : lines) {
if (line.startsWith("#") || line.isBlank()) continue;
String[] parts = line.split("\t");
if (parts.length < 7) continue;
String domain = parts[0];
if (!domain.contains("youtube") && !domain.contains("google")) continue;
cookies.add(new Cookie(parts[5], parts[6])
.setDomain(domain)
.setPath(parts[2])
.setSecure("TRUE".equalsIgnoreCase(parts[3]))
.setHttpOnly(false));
}
if (!cookies.isEmpty()) {
ctx.addCookies(cookies);
log.info("[TRANSCRIPT] Loaded {} cookies", cookies.size());
}
} catch (Exception e) {
log.debug("Failed to load cookies: {}", e.getMessage());
}
}
}

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package com.tasteby.util;
import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;
/**
* Standardized cuisine type taxonomy.
*/
public final class CuisineTypes {
private CuisineTypes() {}
public static final List<String> ALL = List.of(
"한식|백반/한정식", "한식|국밥/해장국", "한식|찌개/전골/탕", "한식|삼겹살/돼지구이",
"한식|소고기/한우구이", "한식|곱창/막창", "한식|닭/오리구이", "한식|족발/보쌈",
"한식|회/횟집", "한식|해산물", "한식|분식", "한식|면", "한식|죽/죽집",
"한식|순대/순대국", "한식|장어/민물", "한식|주점/포차",
"일식|스시/오마카세", "일식|라멘", "일식|돈카츠", "일식|텐동/튀김",
"일식|이자카야", "일식|야키니쿠", "일식|카레", "일식|소바/우동",
"중식|중화요리", "중식|마라/훠궈", "중식|딤섬/만두", "중식|양꼬치",
"양식|파스타/이탈리안", "양식|스테이크", "양식|햄버거", "양식|피자",
"양식|프렌치", "양식|바베큐", "양식|브런치", "양식|비건/샐러드",
"아시아|베트남", "아시아|태국", "아시아|인도/중동", "아시아|동남아기타",
"기타|치킨", "기타|카페/디저트", "기타|베이커리", "기타|뷔페", "기타|퓨전"
);
public static final Set<String> VALID_SET = Set.copyOf(ALL);
public static final List<String> VALID_PREFIXES = List.of(
"한식|", "일식|", "중식|", "양식|", "아시아|", "기타|"
);
public static final String CUISINE_LIST_TEXT = ALL.stream()
.map(c -> " - " + c)
.collect(Collectors.joining("\n"));
public static boolean isValid(String cuisineType) {
if (VALID_SET.contains(cuisineType)) return true;
return VALID_PREFIXES.stream().anyMatch(cuisineType::startsWith);
}
}

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package com.tasteby.util;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.ObjectMapper;
import java.io.Reader;
import java.sql.Clob;
import java.util.Collections;
import java.util.List;
import java.util.Map;
/**
* JSON utility for handling Oracle CLOB JSON fields.
*/
public final class JsonUtil {
private static final ObjectMapper MAPPER = new ObjectMapper();
private JsonUtil() {}
public static String readClob(Object val) {
if (val == null) return null;
if (val instanceof String s) return s;
if (val instanceof Clob clob) {
try (Reader reader = clob.getCharacterStream()) {
StringBuilder sb = new StringBuilder();
char[] buf = new char[4096];
int len;
while ((len = reader.read(buf)) != -1) {
sb.append(buf, 0, len);
}
return sb.toString();
} catch (Exception e) {
return null;
}
}
return val.toString();
}
public static List<String> parseStringList(Object raw) {
String json = readClob(raw);
if (json == null || json.isBlank()) return Collections.emptyList();
try {
return MAPPER.readValue(json, new TypeReference<>() {});
} catch (Exception e) {
return Collections.emptyList();
}
}
public static Map<String, Object> parseMap(Object raw) {
String json = readClob(raw);
if (json == null || json.isBlank()) return Collections.emptyMap();
try {
return MAPPER.readValue(json, new TypeReference<>() {});
} catch (Exception e) {
return Collections.emptyMap();
}
}
public static String toJson(Object value) {
try {
return MAPPER.writeValueAsString(value);
} catch (JsonProcessingException e) {
return "{}";
}
}
}

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package com.tasteby.util;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* Parse address into "country|city|district" format.
*/
public final class RegionParser {
private RegionParser() {}
private static final Map<String, String> CITY_MAP = Map.ofEntries(
Map.entry("서울특별시", "서울"), Map.entry("서울", "서울"),
Map.entry("부산광역시", "부산"), Map.entry("부산", "부산"),
Map.entry("대구광역시", "대구"), Map.entry("대구", "대구"),
Map.entry("인천광역시", "인천"), Map.entry("인천", "인천"),
Map.entry("광주광역시", "광주"), Map.entry("광주", "광주"),
Map.entry("대전광역시", "대전"), Map.entry("대전", "대전"),
Map.entry("울산광역시", "울산"), Map.entry("울산", "울산"),
Map.entry("세종특별자치시", "세종"),
Map.entry("경기도", "경기"), Map.entry("경기", "경기"),
Map.entry("강원특별자치도", "강원"), Map.entry("강원도", "강원"),
Map.entry("충청북도", "충북"), Map.entry("충청남도", "충남"),
Map.entry("전라북도", "전북"), Map.entry("전북특별자치도", "전북"),
Map.entry("전라남도", "전남"),
Map.entry("경상북도", "경북"), Map.entry("경상남도", "경남"),
Map.entry("제주특별자치도", "제주")
);
private static final Pattern KR_PATTERN = Pattern.compile("대한민국\\s+(\\S+)\\s+(\\S+)");
public static String parse(String address) {
if (address == null || address.isBlank()) return null;
String addr = address.trim();
// Japanese
if (addr.startsWith("일본") || addr.contains("Japan")) {
String city = null;
if (addr.contains("Tokyo")) city = "도쿄";
else if (addr.contains("Osaka")) city = "오사카";
else if (addr.contains("Sapporo") || addr.contains("Hokkaido")) city = "삿포로";
else if (addr.contains("Kyoto")) city = "교토";
else if (addr.contains("Fukuoka")) city = "후쿠오카";
return city != null ? "일본|" + city : "일본";
}
// Singapore
if (addr.contains("Singapore") || addr.contains("싱가포르")) {
return "싱가포르";
}
// Korean: "대한민국 시/도 구/시 ..."
if (addr.contains("대한민국")) {
Matcher m = KR_PATTERN.matcher(addr);
if (m.find()) {
String city = CITY_MAP.get(m.group(1));
if (city != null) {
String gu = m.group(2);
if (gu.endsWith("") || gu.endsWith("") || gu.endsWith("")) {
return "한국|" + city + "|" + gu;
}
return "한국|" + city;
}
}
// Search parts
String[] parts = addr.split("\\s+");
for (int i = 0; i < parts.length; i++) {
String city = CITY_MAP.get(parts[i]);
if (city != null) {
String gu = (i > 0 && (parts[i - 1].endsWith("") || parts[i - 1].endsWith("") || parts[i - 1].endsWith("")))
? parts[i - 1] : null;
return gu != null ? "한국|" + city + "|" + gu : "한국|" + city;
}
}
return "한국";
}
// Korean without prefix
String[] parts = addr.split("\\s+");
if (parts.length > 0) {
String city = CITY_MAP.get(parts[0]);
if (city != null) {
if (parts.length > 1 && (parts[1].endsWith("") || parts[1].endsWith("") || parts[1].endsWith(""))) {
return "한국|" + city + "|" + parts[1];
}
return "한국|" + city;
}
}
return null;
}
}

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server:
port: 8000
spring:
threads:
virtual:
enabled: true
datasource:
url: jdbc:oracle:thin:@${ORACLE_DSN}
username: ${ORACLE_USER}
password: ${ORACLE_PASSWORD}
driver-class-name: oracle.jdbc.OracleDriver
hikari:
minimum-idle: 2
maximum-pool-size: 10
connection-timeout: 30000
idle-timeout: 600000
max-lifetime: 1800000
pool-name: TastebyHikariPool
connection-init-sql: "SELECT 1 FROM DUAL"
data:
redis:
host: ${REDIS_HOST:192.168.0.147}
port: ${REDIS_PORT:6379}
database: ${REDIS_DB:0}
timeout: 2000ms
jackson:
default-property-inclusion: non_null
serialization:
write-dates-as-timestamps: false
app:
jwt:
secret: ${JWT_SECRET:tasteby-dev-secret-change-me}
expiration-days: 7
cors:
allowed-origins: http://localhost:3000,http://localhost:3001
oracle:
wallet-path: ${ORACLE_WALLET:}
oci:
compartment-id: ${OCI_COMPARTMENT_ID}
chat-endpoint: ${OCI_CHAT_ENDPOINT:https://inference.generativeai.us-ashburn-1.oci.oraclecloud.com}
embed-endpoint: ${OCI_GENAI_ENDPOINT:https://inference.generativeai.us-chicago-1.oci.oraclecloud.com}
chat-model-id: ${OCI_CHAT_MODEL_ID}
embed-model-id: ${OCI_EMBED_MODEL_ID:cohere.embed-v4.0}
google:
maps-api-key: ${GOOGLE_MAPS_API_KEY}
youtube-api-key: ${YOUTUBE_DATA_API_KEY}
cache:
ttl-seconds: 600
logging:
level:
com.tasteby: DEBUG
org.springframework.jdbc: DEBUG

10
backend-java/start.sh Executable file
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#!/bin/bash
export JAVA_HOME="/opt/homebrew/opt/openjdk@21/libexec/openjdk.jdk/Contents/Home"
export PATH="/opt/homebrew/opt/openjdk@21/bin:$PATH"
# Load env from Python backend (shared env)
set -a
source /Users/joungmin/workspaces/tasteby/backend/.env
set +a
exec ./gradlew bootRun