✨ Like, Unlike, getArticlesThatUserLikes added

wafflestudio · Jan 9, 2025 · 7b77acd · 7b77acd
1 parent 01182aa
commit 7b77acd
Show file tree

Hide file tree

Showing 3 changed files with 84 additions and 1 deletion.
diff --git a/src/main/kotlin/com/toyProject7/karrot/article/controller/ArticleController.kt b/src/main/kotlin/com/toyProject7/karrot/article/controller/ArticleController.kt
@@ -46,6 +46,24 @@ class ArticleController(
         return ResponseEntity.ok("Deleted Successfully")
     }
 
+    @PostMapping("api/item/like/{articleId}")
+    fun likeArticle(
+        @PathVariable articleId: Long,
+        @AuthUser user: User,
+    ): ResponseEntity<String> {
+        articleService.likeArticle(articleId, user.id)
+        return ResponseEntity.ok("Liked Successfully")
+    }
+
+    @PostMapping("api/item/unlike/{articleId}")
+    fun unlikeArticle(
+        @PathVariable articleId: Long,
+        @AuthUser user: User,
+    ): ResponseEntity<String> {
+        articleService.unlikeArticle(articleId, user.id)
+        return ResponseEntity.ok("Unliked Successfully")
+    }
+
     @GetMapping("api/item/get/{articleId}")
     fun getArticle(
         @PathVariable articleId: Long,
@@ -65,6 +83,19 @@ class ArticleController(
         return ResponseEntity.ok(response)
     }
 
+    @GetMapping("/api/mypage/likes")
+    fun getArticlesThatUserLikes(
+        @RequestParam("articleId") articleId: Long,
+        @AuthUser user: User,
+    ): ResponseEntity<List<Item>> {
+        val articles: List<ArticleEntity> = articleService.getArticlesThatUserLikes(user.id, articleId)
+        val response =
+            articles.map { article ->
+                Item.fromArticle(Article.fromEntity(article))
+            }
+        return ResponseEntity.ok(response)
+    }
+
     @GetMapping("/api/mypage/sells")
     fun getArticlesBySeller(
         @RequestParam("articleId") articleId: Long,

diff --git a/src/main/kotlin/com/toyProject7/karrot/article/persistence/ArticleLikesRepository.kt b/src/main/kotlin/com/toyProject7/karrot/article/persistence/ArticleLikesRepository.kt
@@ -1,5 +1,11 @@
 package com.toyProject7.karrot.article.persistence
 
+import com.toyProject7.karrot.user.persistence.UserEntity
 import org.springframework.data.jpa.repository.JpaRepository
 
-interface ArticleLikesRepository : JpaRepository<ArticleLikesEntity, String>
+interface ArticleLikesRepository : JpaRepository<ArticleLikesEntity, String> {
+    fun findTop10ByUserAndArticleIdLessThanOrderByArticleIdDesc(
+        user: UserEntity,
+        articleId: Long,
+    ): List<ArticleLikesEntity>
+}
diff --git a/src/main/kotlin/com/toyProject7/karrot/article/service/ArticleService.kt b/src/main/kotlin/com/toyProject7/karrot/article/service/ArticleService.kt
@@ -5,6 +5,8 @@ import com.toyProject7.karrot.article.ArticlePermissionDeniedException
 import com.toyProject7.karrot.article.controller.Article
 import com.toyProject7.karrot.article.controller.PostArticleRequest
 import com.toyProject7.karrot.article.persistence.ArticleEntity
+import com.toyProject7.karrot.article.persistence.ArticleLikesEntity
+import com.toyProject7.karrot.article.persistence.ArticleLikesRepository
 import com.toyProject7.karrot.article.persistence.ArticleRepository
 import com.toyProject7.karrot.user.service.UserService
 import org.springframework.data.repository.findByIdOrNull
@@ -15,6 +17,7 @@ import java.time.Instant
 @Service
 class ArticleService(
     private val articleRepository: ArticleRepository,
+    private val articleLikesRepository: ArticleLikesRepository,
     private val userService: UserService,
 ) {
     @Transactional
@@ -73,6 +76,37 @@ class ArticleService(
         articleRepository.delete(articleEntity)
     }
 
+    @Transactional
+    fun likeArticle(
+        articleId: Long,
+        id: String,
+    ) {
+        val articleEntity = articleRepository.findByIdOrNull(articleId) ?: throw ArticleNotFoundException()
+        val userEntity = userService.getUserEntityById(id)
+        if (articleEntity.articleLikes.any { it.user.id == userEntity.id }) {
+            return
+        }
+        val articleLikesEntity =
+            articleLikesRepository.save(
+                ArticleLikesEntity(article = articleEntity, user = userEntity, createdAt = Instant.now(), updatedAt = Instant.now()),
+            )
+        articleEntity.articleLikes += articleLikesEntity
+        articleRepository.save(articleEntity)
+    }
+
+    @Transactional
+    fun unlikeArticle(
+        articleId: Long,
+        id: String,
+    ) {
+        val articleEntity = articleRepository.findByIdOrNull(articleId) ?: throw ArticleNotFoundException()
+        val userEntity = userService.getUserEntityById(id)
+        val toBeRemoved: ArticleLikesEntity = articleEntity.articleLikes.find { it.user.id == userEntity.id } ?: return
+        articleEntity.articleLikes -= toBeRemoved
+        articleLikesRepository.delete(toBeRemoved)
+        articleRepository.save(articleEntity)
+    }
+
     @Transactional
     fun getArticle(articleId: Long): Article {
         val articleEntity = articleRepository.findByIdOrNull(articleId) ?: throw ArticleNotFoundException()
@@ -84,6 +118,18 @@ class ArticleService(
         return articleRepository.findTop10ByIdBeforeOrderByCreatedAtDesc(articleId)
     }
 
+    @Transactional
+    fun getArticlesThatUserLikes(
+        id: String,
+        articleId: Long,
+    ): List<ArticleEntity> {
+        val userEntity = userService.getUserEntityById(id)
+        return articleLikesRepository.findTop10ByUserAndArticleIdLessThanOrderByArticleIdDesc(
+            userEntity,
+            articleId,
+        ).map { it.article }
+    }
+
     @Transactional
     fun getArticlesBySeller(
         id: String,