Feature/tags

src/main/kotlin/com/wafflestudio/toyproject/memoWithTags/memo/persistence/MemoAndTag.kt

@@ -0,0 +1,24 @@
+package com.wafflestudio.toyproject.memoWithTags.memo.persistence
+
+import com.wafflestudio.toyproject.memoWithTags.tag.persistence.TagEntity
+import jakarta.persistence.Entity
+import jakarta.persistence.GeneratedValue
+import jakarta.persistence.GenerationType
+import jakarta.persistence.Id
+import jakarta.persistence.JoinColumn
+import jakarta.persistence.ManyToOne
+
+@Entity(name = "memo_and_tag")
+class MemoAndTag(
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    val id: Long? = null,
+
+    @ManyToOne
+    @JoinColumn(name = "memo_id")
+    var memo: MemoEntity,
+
+    @ManyToOne
+    @JoinColumn(name = "tag_id")
+    var tag: TagEntity
+)

src/main/kotlin/com/wafflestudio/toyproject/memoWithTags/tag/TagException.kt

@@ -0,0 +1,6 @@
+package com.wafflestudio.toyproject.memoWithTags.tag
+
+sealed class TagException : RuntimeException()
+
+class TagNotFoundException : TagException()
+class WrongUserException : TagException()

src/main/kotlin/com/wafflestudio/toyproject/memoWithTags/tag/controller/Tag.kt

@@ -0,0 +1,7 @@
+package com.wafflestudio.toyproject.memoWithTags.tag.controller
+
+data class Tag(
+    val id: Long,
+    val name: String,
+    val color: String
+)

src/main/kotlin/com/wafflestudio/toyproject/memoWithTags/tag/controller/TagController.kt

@@ -1,7 +1,14 @@
 package com.wafflestudio.toyproject.memoWithTags.tag.controller
 
+import com.wafflestudio.toyproject.memoWithTags.tag.TagNotFoundException
+import com.wafflestudio.toyproject.memoWithTags.tag.WrongUserException
 import com.wafflestudio.toyproject.memoWithTags.tag.service.TagService
+import com.wafflestudio.toyproject.memoWithTags.user.AuthUser
+import com.wafflestudio.toyproject.memoWithTags.user.AuthenticationFailedException
+import com.wafflestudio.toyproject.memoWithTags.user.contoller.User
+import org.springframework.http.ResponseEntity
 import org.springframework.web.bind.annotation.DeleteMapping
+import org.springframework.web.bind.annotation.ExceptionHandler
 import org.springframework.web.bind.annotation.GetMapping
 import org.springframework.web.bind.annotation.PathVariable
 import org.springframework.web.bind.annotation.PostMapping
@@ -14,31 +21,38 @@ class TagController(
     private val tagService: TagService
 ) {
     @GetMapping("/api/v1/tag")
-    fun getTags(): List<TagDto> {
-        return emptyList() // 빈 리스트 반환
+    fun getTags(@AuthUser user: User): List<Tag> {
+        return tagService.getTags(user)
     }
 
     @PostMapping("/api/v1/tag")
-    fun createTag(@RequestBody request: CreateTagRequest): TagDto {
-        return TagDto(0L, "", "") // 기본값으로 TagDto 반환
+    fun createTag(@RequestBody request: CreateTagRequest, @AuthUser user: User): Tag {
+        val tag = tagService.createTag(request.name, request.color, user)
+        return tag
     }
 
     @PutMapping("/api/v1/tag/{tagId}")
-    fun updateTag(@PathVariable id: Long, @RequestBody request: UpdateTagRequest): TagDto {
-        return TagDto(0L, "", "") // 기본값으로 TagDto 반환
+    fun updateTag(@PathVariable tagId: Long, @RequestBody request: UpdateTagRequest, @AuthUser user: User): Tag {
+        return tagService.updateTag(tagId, request.name, request.color, user)
     }
 
     @DeleteMapping("/api/v1/tag/{tagId}")
-    fun deleteTag(@PathVariable id: Long) {
-        // 반환 타입이 Unit이므로 아무 작업 없이 비워 둬도 OK
+    fun deleteTag(@PathVariable tagId: Long, @AuthUser user: User): ResponseEntity<Unit> {
+        tagService.deleteTag(tagId, user)
+        return ResponseEntity.noContent().build()
     }
-}
 
-data class TagDto(
-    val id: Long,
-    val name: String,
-    val color: String
-)
+    @ExceptionHandler
+    fun handleTagNotFoundException(e: Exception): ResponseEntity<Unit> {
+        val status = when (e) {
+            is TagNotFoundException -> 404
+            is WrongUserException -> 403
+            is AuthenticationFailedException -> 401
+            else -> 404
+        }
+        return ResponseEntity.status(status).build()
+    }
+}
 
 data class CreateTagRequest(
     val name: String,

src/main/kotlin/com/wafflestudio/toyproject/memoWithTags/tag/persistence/TagEntity.kt

@@ -1,3 +1,32 @@
 package com.wafflestudio.toyproject.memoWithTags.tag.persistence
 
-class TagEntity
+import com.wafflestudio.toyproject.memoWithTags.user.persistence.UserEntity
+import jakarta.persistence.Column
+import jakarta.persistence.Entity
+import jakarta.persistence.GeneratedValue
+import jakarta.persistence.GenerationType
+import jakarta.persistence.Id
+import jakarta.persistence.ManyToOne
+import java.time.Instant
+
+@Entity(name = "tags")
+class TagEntity(
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    val id: Long? = null,
+
+    @Column(name = "name", nullable = false)
+    var name: String,
+
+    @Column(name = "color", nullable = false)
+    var color: String,
+
+    @ManyToOne
+    var user: UserEntity,
+
+    @Column(name = "created_at", nullable = false)
+    val createdAt: Instant = Instant.now(),
+
+    @Column(name = "updated_at")
+    var updatedAt: Instant? = null
+)

src/main/kotlin/com/wafflestudio/toyproject/memoWithTags/tag/persistence/TagRepository.kt

@@ -0,0 +1,7 @@
+package com.wafflestudio.toyproject.memoWithTags.tag.persistence
+
+import org.springframework.data.jpa.repository.JpaRepository
+
+interface TagRepository : JpaRepository<TagEntity, Long> {
+    fun findByUserId(userId: Long): List<TagEntity>
+}

src/main/kotlin/com/wafflestudio/toyproject/memoWithTags/tag/service/TagService.kt

@@ -1,6 +1,49 @@
 package com.wafflestudio.toyproject.memoWithTags.tag.service
 
+import com.wafflestudio.toyproject.memoWithTags.tag.TagNotFoundException
+import com.wafflestudio.toyproject.memoWithTags.tag.WrongUserException
+import com.wafflestudio.toyproject.memoWithTags.tag.controller.Tag
+import com.wafflestudio.toyproject.memoWithTags.tag.persistence.TagEntity
+import com.wafflestudio.toyproject.memoWithTags.tag.persistence.TagRepository
+import com.wafflestudio.toyproject.memoWithTags.user.AuthenticationFailedException
+import com.wafflestudio.toyproject.memoWithTags.user.contoller.User
+import com.wafflestudio.toyproject.memoWithTags.user.persistence.UserRepository
 import org.springframework.stereotype.Service
+import java.time.Instant
 
 @Service
-class TagService
+class TagService(
+    private val tagRepository: TagRepository,
+    private val userRepository: UserRepository
+) {
+    fun getTags(user: User): List<Tag> {
+        return tagRepository.findByUserId(user.id).map { Tag(it.id!!, it.name, it.color) }
+    }
+
+    fun createTag(name: String, color: String, user: User): Tag {
+        val userEntity = userRepository.findByEmail(user.email) ?: throw AuthenticationFailedException()
+        val tagEntity = TagEntity(name = name, color = color, user = userEntity)
+        val savedTagEntity = tagRepository.save(tagEntity)
+        return Tag(savedTagEntity.id!!, savedTagEntity.name, savedTagEntity.color)
+    }
+
+    fun updateTag(id: Long, name: String, color: String, user: User): Tag {
+        val tagEntity = tagRepository.findById(id).orElseThrow { throw TagNotFoundException() }
+        if (tagEntity.user.email != user.email) {
+            throw WrongUserException()
+        }
+        tagEntity.name = name
+        tagEntity.color = color
+        tagEntity.updatedAt = Instant.now()
+        val savedTagEntity = tagRepository.save(tagEntity)
+        return Tag(savedTagEntity.id!!, savedTagEntity.name, savedTagEntity.color)
+    }
+
+    fun deleteTag(tagId: Long, user: User) {
+        val tagEntity = tagRepository.findById(tagId).orElseThrow { throw TagNotFoundException() }
+        if (tagEntity.user.email != user.email) {
+            throw WrongUserException()
+        }
+        tagRepository.delete(tagEntity)
+    }
+}

src/main/resources/application.properties

@@ -0,0 +1 @@
+