비공개 메모 기능 추가 + 아이콘 개선

- 식당별 1:1 비공개 메모 CRUD (user_memos 테이블)
- 내 기록에 리뷰/메모 탭 분리
- 백오피스 유저 관리에 메모 수/상세 표시
- 리뷰/메모 작성 시 현재 날짜 기본값
- 지도우선/목록우선 버튼 Material Symbols 아이콘 적용

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

backend-java/src/main/java/com/tasteby/controller/AdminUserController.java

@@ -1,7 +1,9 @@
 package com.tasteby.controller;
 
+import com.tasteby.domain.Memo;
 import com.tasteby.domain.Restaurant;
 import com.tasteby.domain.Review;
+import com.tasteby.service.MemoService;
 import com.tasteby.service.ReviewService;
 import com.tasteby.service.UserService;
 import org.springframework.web.bind.annotation.*;
@@ -15,10 +17,12 @@ public class AdminUserController {
 
     private final UserService userService;
     private final ReviewService reviewService;
+    private final MemoService memoService;
 
-    public AdminUserController(UserService userService, ReviewService reviewService) {
+    public AdminUserController(UserService userService, ReviewService reviewService, MemoService memoService) {
         this.userService = userService;
         this.reviewService = reviewService;
+        this.memoService = memoService;
     }
 
     @GetMapping
@@ -39,4 +43,9 @@ public class AdminUserController {
     public List<Review> userReviews(@PathVariable String userId) {
         return reviewService.findByUser(userId, 100, 0);
     }
+
+    @GetMapping("/{userId}/memos")
+    public List<Memo> userMemos(@PathVariable String userId) {
+        return memoService.findByUser(userId);
+    }
 }

backend-java/src/main/java/com/tasteby/controller/MemoController.java

@@ -0,0 +1,59 @@
+package com.tasteby.controller;
+
+import com.tasteby.domain.Memo;
+import com.tasteby.security.AuthUtil;
+import com.tasteby.service.MemoService;
+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 MemoController {
+
+    private final MemoService memoService;
+
+    public MemoController(MemoService memoService) {
+        this.memoService = memoService;
+    }
+
+    @GetMapping("/restaurants/{restaurantId}/memo")
+    public Memo getMemo(@PathVariable String restaurantId) {
+        String userId = AuthUtil.getUserId();
+        Memo memo = memoService.findByUserAndRestaurant(userId, restaurantId);
+        if (memo == null) {
+            throw new ResponseStatusException(HttpStatus.NOT_FOUND, "No memo");
+        }
+        return memo;
+    }
+
+    @PostMapping("/restaurants/{restaurantId}/memo")
+    public Memo upsertMemo(@PathVariable String restaurantId,
+                           @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("memo_text");
+        LocalDate visitedAt = body.get("visited_at") != null
+                ? LocalDate.parse((String) body.get("visited_at")) : null;
+        return memoService.upsert(userId, restaurantId, rating, text, visitedAt);
+    }
+
+    @GetMapping("/users/me/memos")
+    public List<Memo> myMemos() {
+        return memoService.findByUser(AuthUtil.getUserId());
+    }
+
+    @DeleteMapping("/restaurants/{restaurantId}/memo")
+    @ResponseStatus(HttpStatus.NO_CONTENT)
+    public void deleteMemo(@PathVariable String restaurantId) {
+        String userId = AuthUtil.getUserId();
+        if (!memoService.delete(userId, restaurantId)) {
+            throw new ResponseStatusException(HttpStatus.NOT_FOUND, "No memo");
+        }
+    }
+}

backend-java/src/main/java/com/tasteby/domain/Memo.java

@@ -0,0 +1,22 @@
+package com.tasteby.domain;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class Memo {
+    private String id;
+    private String userId;
+    private String restaurantId;
+    private Double rating;
+    private String memoText;
+    private String visitedAt;
+    private String createdAt;
+    private String updatedAt;
+    private String restaurantName;
+}

backend-java/src/main/java/com/tasteby/domain/UserInfo.java

@@ -22,4 +22,5 @@ public class UserInfo {
     private String createdAt;
     private int favoriteCount;
     private int reviewCount;
+    private int memoCount;
 }

backend-java/src/main/java/com/tasteby/mapper/MemoMapper.java

@@ -0,0 +1,32 @@
+package com.tasteby.mapper;
+
+import com.tasteby.domain.Memo;
+import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Param;
+
+import java.util.List;
+
+@Mapper
+public interface MemoMapper {
+
+    Memo findByUserAndRestaurant(@Param("userId") String userId,
+                                 @Param("restaurantId") String restaurantId);
+
+    void insertMemo(@Param("id") String id,
+                    @Param("userId") String userId,
+                    @Param("restaurantId") String restaurantId,
+                    @Param("rating") Double rating,
+                    @Param("memoText") String memoText,
+                    @Param("visitedAt") String visitedAt);
+
+    int updateMemo(@Param("userId") String userId,
+                   @Param("restaurantId") String restaurantId,
+                   @Param("rating") Double rating,
+                   @Param("memoText") String memoText,
+                   @Param("visitedAt") String visitedAt);
+
+    int deleteMemo(@Param("userId") String userId,
+                   @Param("restaurantId") String restaurantId);
+
+    List<Memo> findByUser(@Param("userId") String userId);
+}

backend-java/src/main/java/com/tasteby/service/MemoService.java

@@ -0,0 +1,44 @@
+package com.tasteby.service;
+
+import com.tasteby.domain.Memo;
+import com.tasteby.mapper.MemoMapper;
+import com.tasteby.util.IdGenerator;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.time.LocalDate;
+import java.util.List;
+
+@Service
+public class MemoService {
+
+    private final MemoMapper mapper;
+
+    public MemoService(MemoMapper mapper) {
+        this.mapper = mapper;
+    }
+
+    public Memo findByUserAndRestaurant(String userId, String restaurantId) {
+        return mapper.findByUserAndRestaurant(userId, restaurantId);
+    }
+
+    @Transactional
+    public Memo upsert(String userId, String restaurantId, Double rating, String memoText, LocalDate visitedAt) {
+        String visitedStr = visitedAt != null ? visitedAt.toString() : null;
+        Memo existing = mapper.findByUserAndRestaurant(userId, restaurantId);
+        if (existing != null) {
+            mapper.updateMemo(userId, restaurantId, rating, memoText, visitedStr);
+        } else {
+            mapper.insertMemo(IdGenerator.newId(), userId, restaurantId, rating, memoText, visitedStr);
+        }
+        return mapper.findByUserAndRestaurant(userId, restaurantId);
+    }
+
+    public boolean delete(String userId, String restaurantId) {
+        return mapper.deleteMemo(userId, restaurantId) > 0;
+    }
+
+    public List<Memo> findByUser(String userId) {
+        return mapper.findByUser(userId);
+    }
+}

backend-java/src/main/resources/mybatis/mapper/MemoMapper.xml

@@ -0,0 +1,59 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.tasteby.mapper.MemoMapper">
+
+    <resultMap id="memoResultMap" type="com.tasteby.domain.Memo">
+        <id property="id" column="id"/>
+        <result property="userId" column="user_id"/>
+        <result property="restaurantId" column="restaurant_id"/>
+        <result property="rating" column="rating"/>
+        <result property="memoText" column="memo_text" typeHandler="com.tasteby.config.ClobTypeHandler"/>
+        <result property="visitedAt" column="visited_at"/>
+        <result property="createdAt" column="created_at"/>
+        <result property="updatedAt" column="updated_at"/>
+        <result property="restaurantName" column="restaurant_name"/>
+    </resultMap>
+
+    <select id="findByUserAndRestaurant" resultMap="memoResultMap">
+        SELECT id, user_id, restaurant_id, rating, memo_text,
+               visited_at, created_at, updated_at
+        FROM user_memos
+        WHERE user_id = #{userId} AND restaurant_id = #{restaurantId}
+    </select>
+
+    <insert id="insertMemo">
+        INSERT INTO user_memos (id, user_id, restaurant_id, rating, memo_text, visited_at)
+        VALUES (#{id}, #{userId}, #{restaurantId}, #{rating}, #{memoText},
+                <choose>
+                    <when test="visitedAt != null">TO_DATE(#{visitedAt}, 'YYYY-MM-DD')</when>
+                    <otherwise>NULL</otherwise>
+                </choose>)
+    </insert>
+
+    <update id="updateMemo">
+        UPDATE user_memos SET
+            rating = #{rating},
+            memo_text = #{memoText},
+            visited_at = <choose>
+                <when test="visitedAt != null">TO_DATE(#{visitedAt}, 'YYYY-MM-DD')</when>
+                <otherwise>NULL</otherwise>
+            </choose>,
+            updated_at = SYSTIMESTAMP
+        WHERE user_id = #{userId} AND restaurant_id = #{restaurantId}
+    </update>
+
+    <delete id="deleteMemo">
+        DELETE FROM user_memos WHERE user_id = #{userId} AND restaurant_id = #{restaurantId}
+    </delete>
+
+    <select id="findByUser" resultMap="memoResultMap">
+        SELECT m.id, m.user_id, m.restaurant_id, m.rating, m.memo_text,
+               m.visited_at, m.created_at, m.updated_at,
+               r.name AS restaurant_name
+        FROM user_memos m
+        LEFT JOIN restaurants r ON r.id = m.restaurant_id
+        WHERE m.user_id = #{userId}
+        ORDER BY m.updated_at DESC
+    </select>
+
+</mapper>

backend-java/src/main/resources/mybatis/mapper/UserMapper.xml

@@ -12,6 +12,7 @@
         <result property="createdAt" column="created_at"/>
         <result property="favoriteCount" column="favorite_count"/>
         <result property="reviewCount" column="review_count"/>
+        <result property="memoCount" column="memo_count"/>
     </resultMap>
 
     <select id="findByProviderAndProviderId" resultMap="userResultMap">
@@ -38,10 +39,12 @@
     <select id="findAllWithCounts" resultMap="userResultMap">
         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
+               NVL(rev.cnt, 0) AS review_count,
+               NVL(memo.cnt, 0) AS memo_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
+        LEFT JOIN (SELECT user_id, COUNT(*) AS cnt FROM user_memos GROUP BY user_id) memo ON memo.user_id = u.id
         ORDER BY u.created_at DESC
         OFFSET #{offset} ROWS FETCH NEXT #{limit} ROWS ONLY
     </select>