Merge pull request #9 from gloddy-dev/feat/#2

[FEAT]: �댓글 관련 API 구현

community-application/src/main/kotlin/gloddy/article/port/in/ArticleCommandUseCase.kt

@@ -1,10 +1,12 @@
 package gloddy.article.port.`in`
 
 import gloddy.article.port.`in`.dto.command.ArticleCreateRequest
+import gloddy.article.port.`in`.dto.command.ArticleUpsertCommentRequest
 import gloddy.article.port.`in`.dto.read.ArticleCreateResponse
 
 interface ArticleCommandUseCase {
     fun create(userId: Long, command: ArticleCreateRequest): ArticleCreateResponse
     fun delete(userId: Long, articleId: Long)
     fun upsertLike(userId: Long, articleId: Long)
+    fun upsertComment(request: ArticleUpsertCommentRequest)
 }

community-application/src/main/kotlin/gloddy/article/port/in/dto/command/ArticleUpsertCommentRequest.kt

@@ -0,0 +1,10 @@
+package gloddy.article.port.`in`.dto.command
+
+data class ArticleUpsertCommentRequest(
+    val articleId: Long,
+    val status: CommentStatus
+)
+
+enum class CommentStatus {
+    CREATE, DELETE
+}

community-application/src/main/kotlin/gloddy/article/service/ArticleCommandService.kt

@@ -5,6 +5,8 @@ import gloddy.article.ArticleLike
 import gloddy.article.port.`in`.dto.command.ArticleCreateRequest
 import gloddy.article.port.`in`.dto.read.ArticleCreateResponse
 import gloddy.article.port.`in`.ArticleCommandUseCase
+import gloddy.article.port.`in`.dto.command.ArticleUpsertCommentRequest
+import gloddy.article.port.`in`.dto.command.CommentStatus
 import gloddy.article.port.out.ArticleCommandPersistencePort
 import gloddy.article.port.out.ArticleLikeCommandPersistencePort
 import gloddy.article.port.out.ArticleLikeQueryPersistencePort
@@ -19,7 +21,6 @@ class ArticleCommandService(
     private val categoryQueryPersistencePort: CategoryQueryPersistencePort,
     private val articleQueryPersistencePort: ArticleQueryPersistencePort,
     private val articleCommandPersistencePort: ArticleCommandPersistencePort,
-    private val articleLikeCommandPersistencePort: ArticleLikeCommandPersistencePort,
     private val articleLikeQueryPersistencePort: ArticleLikeQueryPersistencePort,
 ) : ArticleCommandUseCase {
 
@@ -60,4 +61,12 @@ class ArticleCommandService(
                 article = article.like()
             )
     }
+
+    override fun upsertComment(request: ArticleUpsertCommentRequest) {
+        val article = articleQueryPersistencePort.findById(request.articleId)
+        when(request.status) {
+            CommentStatus.CREATE -> articleCommandPersistencePort.save(article.comment())
+            CommentStatus.DELETE -> articleCommandPersistencePort.save(article.unComment())
+        }
+    }
 }

community-application/src/main/kotlin/gloddy/article/service/ArticleQueryService.kt

@@ -48,7 +48,7 @@ class ArticleQueryService(
             id = request.id,
             userId = request.userId
         )
-        val userPreviewUnit = userQueryPort.getUserPreviewUnit(request.userId)
+        val userPreviewUnit = userQueryPort.getUserPreviewUnit(articleDetailUnit.userId)
         return ArticleDetailResponse(
             article = articleDetailUnit,
             writer = userPreviewUnit

community-application/src/main/kotlin/gloddy/comment/dto/ChildCommentGetRequest.kt

@@ -0,0 +1,6 @@
+package gloddy.comment.dto
+
+data class ChildCommentGetRequest(
+    val parentId: Long,
+    val userId: Long
+)

community-application/src/main/kotlin/gloddy/comment/dto/CommentChildUpsertRequest.kt

@@ -0,0 +1,9 @@
+package gloddy.comment.dto
+
+import gloddy.article.port.`in`.dto.command.CommentStatus
+import gloddy.core.CommentId
+
+data class CommentChildUpsertRequest(
+    val commentId: CommentId,
+    val status: CommentStatus
+)

community-application/src/main/kotlin/gloddy/comment/dto/CommentCreateRequest.kt

@@ -0,0 +1,19 @@
+package gloddy.comment.dto
+
+import gloddy.core.ArticleId
+import gloddy.core.CommentId
+import gloddy.core.UserId
+
+data class ParentCommentCreateRequest(
+    val userId: UserId,
+    val articleId: ArticleId,
+    val content: String
+)
+
+data class ChildCommentCreateRequest(
+    val userId: UserId,
+    val articleId: ArticleId,
+    val parentCommentId: CommentId,
+    val content: String
+)
+

community-application/src/main/kotlin/gloddy/comment/dto/CommentCreateResponse.kt

@@ -0,0 +1,11 @@
+package gloddy.comment.dto
+
+import gloddy.comment.Comment
+
+data class CommentCreateResponse(
+    val commentId: Long
+) {
+    constructor(comment: Comment) : this(
+        commentId = comment.id!!.value
+    )
+}

community-application/src/main/kotlin/gloddy/comment/dto/CommentDeleteRequest.kt

@@ -0,0 +1,11 @@
+package gloddy.comment.dto
+
+import gloddy.core.ArticleId
+import gloddy.core.CommentId
+import gloddy.core.UserId
+
+data class CommentDeleteRequest(
+    val commentId: CommentId,
+    val userId: UserId,
+    val articleId: ArticleId
+)

community-application/src/main/kotlin/gloddy/comment/dto/CommentGetResponse.kt

@@ -0,0 +1,30 @@
+package gloddy.comment.dto
+
+import gloddy.comment.Comment
+
+data class CommentGetResponse(
+    val comments: List<CommentUnit>
+)
+
+data class CommentUnit(
+    val commentId: Long,
+    val content: String,
+    val depth: Int,
+    val likeCount: Long,
+    val commentCount: Long,
+    val isLiked: Boolean,
+    val user: UserUnit
+)
+
+data class UserUnit(
+    val userId: Long,
+    val name: String,
+    val imageUrl: String,
+    val reliabilityLevel: String,
+    val country: UserCountry
+)
+
+data class UserCountry(
+    val name: String,
+    val imageUrl: String
+)

community-application/src/main/kotlin/gloddy/comment/dto/CommentLikeUpsertRequest.kt

@@ -0,0 +1,9 @@
+package gloddy.comment.dto
+
+import gloddy.core.CommentId
+import gloddy.core.UserId
+
+data class CommentLikeUpsertRequest(
+    val userId: UserId,
+    val commentId: CommentId
+)

community-application/src/main/kotlin/gloddy/comment/dto/ParentCommentGetRequest.kt

@@ -0,0 +1,9 @@
+package gloddy.comment.dto
+
+import gloddy.core.ArticleId
+import gloddy.core.UserId
+
+data class ParentCommentGetRequest(
+    val userId: UserId,
+    val articleId: ArticleId
+)

community-application/src/main/kotlin/gloddy/comment/dto/readModel/ChildCommentUnit.kt

@@ -0,0 +1,16 @@
+package gloddy.comment.dto.readModel
+
+import java.time.LocalDateTime
+
+data class ChildCommentUnit(
+    val id: Long,
+    val isWriter: Boolean,
+    val isLiked: Boolean,
+    val userId: Long,
+    val articleId: Long,
+    val parentId: Long,
+    val content: String,
+    val likeCount: Int,
+    val createdAt: LocalDateTime,
+    val updatedAt: LocalDateTime
+)

community-application/src/main/kotlin/gloddy/comment/dto/readModel/FindChildCommentByParentIdResponse.kt

@@ -0,0 +1,8 @@
+package gloddy.comment.dto.readModel
+
+import gloddy.user.port.`in`.dto.UserPreviewUnit
+
+data class FindChildCommentByParentIdResponse(
+    val childComment: ChildCommentUnit,
+    val writer: UserPreviewUnit
+)

community-application/src/main/kotlin/gloddy/comment/dto/readModel/FindChildCommentsByParentIdResponse.kt

@@ -0,0 +1,5 @@
+package gloddy.comment.dto.readModel
+
+data class FindChildCommentsByParentIdResponse(
+    val childComments: List<FindChildCommentByParentIdResponse>
+)

community-application/src/main/kotlin/gloddy/comment/dto/readModel/FindParentCommentByArticleIdResponse.kt

@@ -0,0 +1,8 @@
+package gloddy.comment.dto.readModel
+
+import gloddy.user.port.`in`.dto.UserPreviewUnit
+
+data class FindParentCommentByArticleIdResponse(
+    val comment: ParentCommentUnit,
+    val writer: UserPreviewUnit
+)

community-application/src/main/kotlin/gloddy/comment/dto/readModel/FindParentCommentsByArticleIdResponse.kt

@@ -0,0 +1,5 @@
+package gloddy.comment.dto.readModel
+
+data class FindParentCommentsByArticleIdResponse(
+    val comments: List<FindParentCommentByArticleIdResponse>
+)

community-application/src/main/kotlin/gloddy/comment/dto/readModel/ParentCommentUnit.kt

@@ -0,0 +1,16 @@
+package gloddy.comment.dto.readModel
+
+import java.time.LocalDateTime
+
+data class ParentCommentUnit(
+    val id: Long,
+    val isWriter: Boolean,
+    val isLiked: Boolean,
+    val userId: Long,
+    val articleId: Long,
+    val content: String,
+    val likeCount: Int,
+    val commentCount: Int,
+    val createdAt: LocalDateTime,
+    val updatedAt: LocalDateTime,
+)

community-application/src/main/kotlin/gloddy/comment/port/out/CommentCommandPort.kt

@@ -0,0 +1,10 @@
+package gloddy.comment.port.out
+
+import gloddy.comment.Comment
+import gloddy.comment.CommentLike
+
+interface CommentCommandPort {
+    fun save(comment: Comment): Comment
+    fun delete(comment: Comment)
+    fun upsertLike(commentLike: CommentLike, comment: Comment)
+}

community-application/src/main/kotlin/gloddy/comment/port/out/CommentLikeCommandPort.kt

@@ -0,0 +1,8 @@
+package gloddy.comment.port.out
+
+import gloddy.comment.CommentLike
+
+interface CommentLikeCommandPort {
+    fun save(commentLike: CommentLike): CommentLike
+    fun delete(commentLike: CommentLike)
+}

community-application/src/main/kotlin/gloddy/comment/port/out/CommentLikeQueryPort.kt

@@ -0,0 +1,9 @@
+package gloddy.comment.port.out
+
+import gloddy.comment.CommentLike
+import gloddy.core.CommentId
+import gloddy.core.UserId
+
+interface CommentLikeQueryPort {
+    fun findByCommentIdAndUserIdOrNull(commentId: CommentId, userId: UserId): CommentLike?
+}

community-application/src/main/kotlin/gloddy/comment/port/out/CommentQueryPort.kt

@@ -0,0 +1,13 @@
+package gloddy.comment.port.out
+
+import gloddy.comment.Comment
+import gloddy.comment.dto.readModel.ChildCommentUnit
+import gloddy.comment.dto.readModel.ParentCommentUnit
+import gloddy.core.CommentId
+
+
+interface CommentQueryPort {
+    fun findById(id: CommentId): Comment
+    fun findParentComments(articleId: Long, userId: Long): List<ParentCommentUnit>
+    fun findChildComments(parentId: Long, userId: Long): List<ChildCommentUnit>
+}

community-application/src/main/kotlin/gloddy/comment/service/CommentCreateService.kt

@@ -0,0 +1,49 @@
+package gloddy.comment.service
+
+import gloddy.article.port.out.ArticleQueryPersistencePort
+import gloddy.comment.Comment
+import gloddy.comment.dto.ChildCommentCreateRequest
+import gloddy.comment.dto.CommentCreateResponse
+import gloddy.comment.dto.ParentCommentCreateRequest
+import gloddy.comment.port.out.CommentCommandPort
+import gloddy.comment.port.out.CommentQueryPort
+import org.springframework.stereotype.Service
+
+@Service
+class CommentCreateService(
+    private val commentCommandPort: CommentCommandPort,
+    private val articleQueryPort: ArticleQueryPersistencePort,
+) {
+    fun createParent(request: ParentCommentCreateRequest): CommentCreateResponse {
+        val article = articleQueryPort.findById(request.articleId.value)
+
+        return Comment.parent(
+            userId = request.userId,
+            article = article,
+            content = request.content
+        )
+        .let {
+            commentCommandPort.save(it)
+        }
+        .run {
+            CommentCreateResponse(this)
+        }
+    }
+
+    fun createChild(request: ChildCommentCreateRequest): CommentCreateResponse {
+        val article = articleQueryPort.findById(request.articleId.value)
+
+        return Comment.child(
+            userId = request.userId,
+            article = article,
+            content = request.content,
+            parentCommentId = request.parentCommentId
+        )
+        .let {
+            commentCommandPort.save(it)
+        }
+        .run {
+            CommentCreateResponse(this)
+        }
+    }
+}

community-application/src/main/kotlin/gloddy/comment/service/CommentDeleteService.kt

@@ -0,0 +1,18 @@
+package gloddy.comment.service
+
+import gloddy.comment.dto.CommentDeleteRequest
+import gloddy.comment.port.out.CommentCommandPort
+import gloddy.comment.port.out.CommentQueryPort
+import org.springframework.stereotype.Service
+
+@Service
+class CommentDeleteService(
+    private val commentCommandPort: CommentCommandPort,
+    private val commentQueryPort: CommentQueryPort,
+) {
+
+    fun delete(request: CommentDeleteRequest) {
+        val comment = commentQueryPort.findById(request.commentId)
+        commentCommandPort.delete(comment.delete(request.userId))
+    }
+}