From 0fc1a4cfec919e2d60feb8b8b2e964464478e0f1 Mon Sep 17 00:00:00 2001
From: soohyeon <meltapplee@gmail.com>
Date: Fri, 13 Sep 2024 11:42:00 +0900
Subject: [PATCH] add :: deletePost api

---
 .../domain/post/domain/PostRepository.kt      |  4 ++++
 .../post/exception/PostNotFoundException.kt   |  8 +++++++
 .../domain/post/present/PostController.kt     | 10 +++++++-
 .../domain/post/service/DeletePostService.kt  | 23 +++++++++++++++++++
 .../meogo/global/error/exception/ErrorCode.kt |  4 +++-
 5 files changed, 47 insertions(+), 2 deletions(-)
 create mode 100644 src/main/kotlin/org/meogo/domain/post/exception/PostNotFoundException.kt
 create mode 100644 src/main/kotlin/org/meogo/domain/post/service/DeletePostService.kt

diff --git a/src/main/kotlin/org/meogo/domain/post/domain/PostRepository.kt b/src/main/kotlin/org/meogo/domain/post/domain/PostRepository.kt
index 9a7bceb..fbb847f 100644
--- a/src/main/kotlin/org/meogo/domain/post/domain/PostRepository.kt
+++ b/src/main/kotlin/org/meogo/domain/post/domain/PostRepository.kt
@@ -6,7 +6,11 @@ interface PostRepository : Repository<Post, Long> {
 
     fun save(post: Post)
 
+    fun deleteById(id: Long)
+
     fun findAll(): List<Post>
 
+    fun findById(id: Long): Post?
+
     fun findBySchoolId(schoolId: Int): List<Post>
 }
diff --git a/src/main/kotlin/org/meogo/domain/post/exception/PostNotFoundException.kt b/src/main/kotlin/org/meogo/domain/post/exception/PostNotFoundException.kt
new file mode 100644
index 0000000..0a798f1
--- /dev/null
+++ b/src/main/kotlin/org/meogo/domain/post/exception/PostNotFoundException.kt
@@ -0,0 +1,8 @@
+package org.meogo.domain.post.exception
+
+import org.meogo.global.error.exception.ErrorCode
+import org.meogo.global.error.exception.MeogoException
+
+object PostNotFoundException : MeogoException(
+    ErrorCode.POST_NOT_FOUND
+)
diff --git a/src/main/kotlin/org/meogo/domain/post/present/PostController.kt b/src/main/kotlin/org/meogo/domain/post/present/PostController.kt
index 6e6639c..9e174a7 100644
--- a/src/main/kotlin/org/meogo/domain/post/present/PostController.kt
+++ b/src/main/kotlin/org/meogo/domain/post/present/PostController.kt
@@ -3,9 +3,11 @@ package org.meogo.domain.post.present
 import lombok.RequiredArgsConstructor
 import org.meogo.domain.post.present.dto.request.PostRequest
 import org.meogo.domain.post.service.CreatePostService
+import org.meogo.domain.post.service.DeletePostService
 import org.meogo.domain.post.service.QueryAllPostService
 import org.meogo.domain.post.service.QuerySchoolPostService
 import org.springframework.http.HttpStatus
+import org.springframework.web.bind.annotation.DeleteMapping
 import org.springframework.web.bind.annotation.GetMapping
 import org.springframework.web.bind.annotation.PostMapping
 import org.springframework.web.bind.annotation.RequestMapping
@@ -22,7 +24,8 @@ import javax.validation.Valid
 class PostController(
     private val createPostService: CreatePostService,
     private val queryAllPostService: QueryAllPostService,
-    private val querySchoolPostService: QuerySchoolPostService
+    private val querySchoolPostService: QuerySchoolPostService,
+    private val deletePostService: DeletePostService
 ) {
 
     @PostMapping
@@ -35,6 +38,11 @@ class PostController(
     ) =
         createPostService.execute(request, image)
 
+    @DeleteMapping("/delete")
+    @ResponseStatus(HttpStatus.NO_CONTENT)
+    fun delete(@RequestParam("post_id") id: Long) =
+        deletePostService.execute(id)
+
     @GetMapping("/query/all")
     fun queryAll() = queryAllPostService.execute()
 
diff --git a/src/main/kotlin/org/meogo/domain/post/service/DeletePostService.kt b/src/main/kotlin/org/meogo/domain/post/service/DeletePostService.kt
new file mode 100644
index 0000000..1db4aca
--- /dev/null
+++ b/src/main/kotlin/org/meogo/domain/post/service/DeletePostService.kt
@@ -0,0 +1,23 @@
+package org.meogo.domain.post.service
+
+import org.meogo.domain.post.domain.PostRepository
+import org.meogo.domain.post.exception.PostNotFoundException
+import org.meogo.domain.user.exception.UserMisMatchException
+import org.meogo.domain.user.facade.UserFacade
+import org.springframework.stereotype.Service
+import org.springframework.transaction.annotation.Transactional
+
+@Service
+class DeletePostService(
+    private val userFacade: UserFacade,
+    private val postRepository: PostRepository
+) {
+    @Transactional
+    fun execute(postId: Long) {
+        val user = userFacade.currentUser()
+        val post = postRepository.findById(postId) ?: throw PostNotFoundException
+        if (user!!.id != post.userId) throw UserMisMatchException
+
+        postRepository.deleteById(post.id)
+    }
+}
diff --git a/src/main/kotlin/org/meogo/global/error/exception/ErrorCode.kt b/src/main/kotlin/org/meogo/global/error/exception/ErrorCode.kt
index 793bd6f..8970950 100644
--- a/src/main/kotlin/org/meogo/global/error/exception/ErrorCode.kt
+++ b/src/main/kotlin/org/meogo/global/error/exception/ErrorCode.kt
@@ -9,10 +9,12 @@ enum class ErrorCode(
     INVALID_TOKEN(401, "Invalid Token"),
     EXPIRED_TOKEN(401, "Expired Token"),
     PASSWORD_MISMATCH(401, "Password Mismatch"),
-    USER_MISMATCH(401, "User Mismatch"),
+
+    USER_MISMATCH(403, "You are not owner"),
 
     USER_NOT_FOUND(404, "User not found"),
     REVIEW_NOT_FOUND(404, "Review not found"),
+    POST_NOT_FOUND(404, "Post not found"),
 
     // Internal Server Error
     INTERNAL_SERVER_ERROR(500, "Internal Server Error")