feat: 공지사항 작성할 때 태그 생성 및 수정

src/main/kotlin/com/wafflestudio/csereal/core/notice/database/NoticeEntity.kt

@@ -1,8 +1,10 @@
 package com.wafflestudio.csereal.core.notice.database
 
 import com.wafflestudio.csereal.common.config.BaseTimeEntity
+import jakarta.persistence.CascadeType
 import jakarta.persistence.Column
 import jakarta.persistence.Entity
+import jakarta.persistence.OneToMany
 
 
 @Entity(name = "notice")
@@ -24,6 +26,9 @@ class NoticeEntity(
 //    var isSlide: Boolean,
 //
 //    var isPinned: Boolean,
+
+    @OneToMany(mappedBy = "notice", cascade = [CascadeType.PERSIST])
+    var noticeTag: MutableSet<NoticeTagEntity> = mutableSetOf()
 ): BaseTimeEntity() {
 
 }

src/main/kotlin/com/wafflestudio/csereal/core/notice/database/NoticeTagEntity.kt

@@ -8,13 +8,13 @@ import jakarta.persistence.ManyToOne
 
 @Entity(name="noticeTag")
 class NoticeTagEntity(
-    @ManyToOne(cascade = [CascadeType.ALL])
+    @ManyToOne(cascade = [CascadeType.PERSIST])
     @JoinColumn(name = "notice_id")
-    val notice: NoticeEntity,
+    var notice: NoticeEntity,
 
-    @ManyToOne(cascade = [CascadeType.ALL])
+    @ManyToOne(cascade = [CascadeType.PERSIST])
     @JoinColumn(name = "tag_id")
-    val tag: TagEntity,
+    var tag: TagEntity,
 
     ) : BaseTimeEntity() {
 }

src/main/kotlin/com/wafflestudio/csereal/core/notice/database/NoticeTagRepository.kt

@@ -0,0 +1,7 @@
+package com.wafflestudio.csereal.core.notice.database
+
+import org.springframework.data.jpa.repository.JpaRepository
+
+interface NoticeTagRepository : JpaRepository<NoticeTagEntity, Long> {
+    fun deleteAllByNoticeId(noticeId: Long)
+}

src/main/kotlin/com/wafflestudio/csereal/core/notice/database/TagEntity.kt

@@ -1,10 +1,15 @@
 package com.wafflestudio.csereal.core.notice.database
 
 import com.wafflestudio.csereal.common.config.BaseTimeEntity
+import jakarta.persistence.CascadeType
 import jakarta.persistence.Entity
+import jakarta.persistence.OneToMany
 
 @Entity(name = "tag")
 class TagEntity(
-    var name: String
+    var name: String,
+
+    @OneToMany(mappedBy = "tag", cascade = [CascadeType.PERSIST])
+    val noticeTag: MutableSet<NoticeTagEntity> = mutableSetOf()
 ) : BaseTimeEntity() {
 }

src/main/kotlin/com/wafflestudio/csereal/core/notice/dto/CreateNoticeRequest.kt

@@ -9,6 +9,6 @@ data class CreateNoticeRequest(
     @NotBlank(message = "내용은 비어있을 수 없습니다")
     val description: String,
 
-    val tag: List<String> = emptyList()
+    val tag: List<Long> = emptyList()
 ) {
 }

src/main/kotlin/com/wafflestudio/csereal/core/notice/dto/UpdateNoticeRequest.kt

@@ -2,6 +2,7 @@ package com.wafflestudio.csereal.core.notice.dto
 
 data class UpdateNoticeRequest(
     val title: String?,
-    val description: String?
+    val description: String?,
+    val tag: List<Long> = emptyList()
 ) {
 }

src/main/kotlin/com/wafflestudio/csereal/core/notice/service/NoticeService.kt

@@ -1,10 +1,7 @@
 package com.wafflestudio.csereal.core.notice.service
 
 import com.wafflestudio.csereal.common.CserealException
-import com.wafflestudio.csereal.core.notice.database.NoticeEntity
-import com.wafflestudio.csereal.core.notice.database.NoticeRepository
-import com.wafflestudio.csereal.core.notice.database.TagEntity
-import com.wafflestudio.csereal.core.notice.database.TagRepository
+import com.wafflestudio.csereal.core.notice.database.*
 import com.wafflestudio.csereal.core.notice.dto.CreateNoticeRequest
 import com.wafflestudio.csereal.core.notice.dto.NoticeDto
 import com.wafflestudio.csereal.core.notice.dto.UpdateNoticeRequest
@@ -24,6 +21,7 @@ interface NoticeService {
 class NoticeServiceImpl(
     private val noticeRepository: NoticeRepository,
     private val tagRepository: TagRepository,
+    private val noticeTagRepository: NoticeTagRepository
 ) : NoticeService {
 
     @Transactional(readOnly = true)
@@ -41,6 +39,15 @@ class NoticeServiceImpl(
             description = request.description,
         )
 
+        request.tag.forEach {
+            noticeTagRepository.save(
+                NoticeTagEntity(
+                    notice = newNotice,
+                    tag = tagRepository.findByIdOrNull(it) ?: throw CserealException.Csereal400("해당하는 태그가 없습니다")
+                )
+            )
+        }
+
         noticeRepository.save(newNotice)
 
         return NoticeDto.of(newNotice)
@@ -56,7 +63,14 @@ class NoticeServiceImpl(
         notice.title = request.title ?: notice.title
         notice.description = request.description ?: notice.description
 
-        noticeRepository.save(notice)
+        noticeTagRepository.deleteAllByNoticeId(noticeId)
+
+        request.tag.forEach {
+            noticeTagRepository.save(NoticeTagEntity(
+                notice = notice,
+                tag = tagRepository.findByIdOrNull(it) ?: throw CserealException.Csereal400("해당 태그는 존재하지 않습니다")
+            ))
+        }
 
         return NoticeDto.of(notice)
     }
@@ -76,4 +90,6 @@ class NoticeServiceImpl(
         )
         tagRepository.save(newTag)
     }
+
+    //TODO: 이미지 등록, 페이지네이션, 검색
 }

src/main/resources/application.yaml

@@ -5,10 +5,14 @@ spring:
 ---
 spring:
   config.activate.on-profile: local
+  datasource:
+    driver-class-name: com.mysql.cj.jdbc.Driver
+    url: jdbc:mysql://127.0.0.1:3306/csereal_local?useUnicode=true&characterEncoding=utf8&serverTimezone=Asia/Seoul
+    username: root
+    password: toor
   jpa:
     hibernate:
-      ddl-auto: create
-    show-sql: true
+      ddl-auto: update
 logging.level:
   default: INFO