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47020fd649d5bf7f61753f495bbf391319307ea3
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4 Commits

Author SHA1 Message Date
joungmin
c6428e5d5f fix(infra): P4-2 데몬/캐시/통계 결함 (#275+#276+#274) 
#275 (데몬):
- DaemonConfigService.updateConfig: 정수 필드 가드 (비숫자/0/음수 → 400)
- DaemonScheduler: 외부 호출(scan/process) try-finally로 updateLastX 보장
  (예외 시에도 다음 cron까지 backoff)
- DaemonController.getConfig: AuthUtil.requireAdmin() 추가 (운영 설정 노출 차단)

#276 (캐시):
- CacheService 생성자: ping을 try-with-resources로 자원 누수 차단,
  ConnectionFactory null 가드
- makeKey: null/빈 parts 가드 (잘못된 키 생성 방지)

#274 (통계):
- SiteVisitStats: int → long (21억 누적 시 오버플로 방지)
- StatsMapper: getTodayVisits/getTotalVisits long 반환
- StatsService.recordVisit: 자정 경계 동시성 DataIntegrityViolationException
  1회 재시도, 2회 실패 시 1건 손실 수용 (운영 영향 미미)

후속 분리:
- #336 (#275 분산 락 + DTO + 테스트)
- #337 (#276 SCAN + 자동복구 + 메트릭)
- #338 (#274 봇/레이트리밋 + Redis INCR + 테스트)

Refs: #275 #276 #274
 2026-06-15 14:20:14 +09:00
joungmin
c16add08c3 Migrate to MyBatis with proper Controller→Service→Mapper layering 
- Add MyBatis Spring Boot Starter with XML mappers and domain classes
- Create 9 mapper interfaces + XML: Restaurant, Video, Channel, Review,
  User, Stats, DaemonConfig, Search, Vector
- Create 10 domain classes with Lombok: Restaurant, VideoSummary,
  VideoDetail, VideoRestaurantLink, Channel, Review, UserInfo,
  DaemonConfig, SiteVisitStats, VectorSearchResult
- Create 7 new service classes: RestaurantService, VideoService,
  ChannelService, ReviewService, UserService, StatsService,
  DaemonConfigService
- Refactor all controllers to be thin (HTTP + auth only), delegating
  business logic to services
- Refactor SearchService, PipelineService, DaemonScheduler, AuthService,
  YouTubeService to use mappers/services instead of JDBC/repositories
- Add Jackson SNAKE_CASE property naming for consistent API responses
- Add ClobTypeHandler for Oracle CLOB→String in MyBatis
- Add IdGenerator utility for centralized UUID generation
- Delete old repository/ package (6 files), JdbcConfig, LowerCaseKeyAdvice
- VectorService retains JDBC for Oracle VECTOR type support

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
 2026-03-09 21:13:44 +09:00
joungmin
91d0ad4598 Fix Oracle uppercase column keys: return lowercase in all API responses 
- Add LowerCaseKeyAdvice (ResponseBodyAdvice) to auto-convert Map keys
- Add LowerCaseJdbcTemplate with overridden getColumnMapRowMapper
- Update all repository/service code to use lowercase key access
- Add lowerKeys utility to JsonUtil

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
 2026-03-09 20:38:43 +09:00
joungmin
6d05be2331 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>
 2026-03-09 20:26:32 +09:00