feat: enrollTag 기능 추가, noticeTag 연관 엔티티 추가

src/main/kotlin/com/wafflestudio/csereal/core/notice/api/NoticeController.kt

@@ -43,4 +43,12 @@ class NoticeController(
         noticeService.deleteNotice(noticeId)
         return ResponseEntity<String>("삭제되었습니다. (noticeId: $noticeId)", HttpStatus.OK)
     }
+
+    @PostMapping("/tag")
+    fun enrollTag(
+        @RequestBody tagName: Map<String, String>
+    ) : ResponseEntity<String> {
+        noticeService.enrollTag(tagName["name"]!!)
+        return ResponseEntity<String>("등록되었습니다. (tagName: ${tagName["name"]})", HttpStatus.OK)
+    }
 }

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

@@ -0,0 +1,20 @@
+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.JoinColumn
+import jakarta.persistence.ManyToOne
+
+@Entity(name="noticeTag")
+class NoticeTagEntity(
+    @ManyToOne(cascade = [CascadeType.ALL])
+    @JoinColumn(name = "notice_id")
+    val notice: NoticeEntity,
+
+    @ManyToOne(cascade = [CascadeType.ALL])
+    @JoinColumn(name = "tag_id")
+    val tag: TagEntity,
+
+    ) : BaseTimeEntity() {
+}

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

@@ -0,0 +1,10 @@
+package com.wafflestudio.csereal.core.notice.database
+
+import com.wafflestudio.csereal.common.config.BaseTimeEntity
+import jakarta.persistence.Entity
+
+@Entity(name = "tag")
+class TagEntity(
+    var name: String
+) : BaseTimeEntity() {
+}

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

@@ -0,0 +1,6 @@
+package com.wafflestudio.csereal.core.notice.database
+
+import org.springframework.data.jpa.repository.JpaRepository
+
+interface TagRepository : JpaRepository<TagEntity, Long> {
+}

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

@@ -8,5 +8,7 @@ data class CreateNoticeRequest(
 
     @NotBlank(message = "내용은 비어있을 수 없습니다")
     val description: String,
+
+    val tag: List<String> = emptyList()
 ) {
 }

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

@@ -3,6 +3,8 @@ 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.dto.CreateNoticeRequest
 import com.wafflestudio.csereal.core.notice.dto.NoticeDto
 import com.wafflestudio.csereal.core.notice.dto.UpdateNoticeRequest
@@ -15,11 +17,13 @@ interface NoticeService {
     fun createNotice(request: CreateNoticeRequest): NoticeDto
     fun updateNotice(noticeId: Long, request: UpdateNoticeRequest) : NoticeDto
     fun deleteNotice(noticeId: Long)
+    fun enrollTag(tagName: String)
 }
 
 @Service
 class NoticeServiceImpl(
     private val noticeRepository: NoticeRepository,
+    private val tagRepository: TagRepository,
 ) : NoticeService {
 
     @Transactional(readOnly = true)
@@ -65,4 +69,11 @@ class NoticeServiceImpl(
         notice.isDeleted = true
 
     }
+
+    override fun enrollTag(tagName: String) {
+        val newTag = TagEntity(
+            name = tagName
+        )
+        tagRepository.save(newTag)
+    }
 }