From db6e42d79fbc7ce7c43e0b74e9bdc5c957e4cd43 Mon Sep 17 00:00:00 2001
From: cyj199637 <cyj199637@gmail.com>
Date: Mon, 19 Oct 2020 23:30:45 +0900
Subject: [PATCH] =?UTF-8?q?[#35]=20=ED=8C=94=EB=A1=9C=EC=9A=B0=ED=95=9C=20?=
 =?UTF-8?q?=EB=AA=A8=EB=93=A0=20=EA=B3=84=EC=A0=95=EC=9D=98=20=EA=B2=8C?=
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MIME-Version: 1.0
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- 내가 팔로우한 계정의 게시물만 볼 수 있도록 구현
---
 .../snsserver/controller/PostController.java    |  9 +++++++++
 .../me/liiot/snsserver/mapper/PostMapper.java   |  3 +++
 .../me/liiot/snsserver/service/PostService.java |  2 ++
 .../snsserver/service/PostServiceImpl.java      |  8 ++++++++
 src/main/resources/mapper/PostMapper.xml        |  8 ++++++++
 .../snsserver/service/PostServiceTest.java      | 17 +++++++++++++++++
 6 files changed, 47 insertions(+)

diff --git a/src/main/java/me/liiot/snsserver/controller/PostController.java b/src/main/java/me/liiot/snsserver/controller/PostController.java
index 405eb5c..738001d 100644
--- a/src/main/java/me/liiot/snsserver/controller/PostController.java
+++ b/src/main/java/me/liiot/snsserver/controller/PostController.java
@@ -51,6 +51,15 @@ public ResponseEntity<List<Post>> getUserFeed(@RequestParam(value = "userId") St
         return new ResponseEntity<>(posts, HttpStatus.OK);
     }
 
+    @GetMapping("/my-follows")
+    @CheckLogin
+    public ResponseEntity<List<Post>> getPostsOfAllFollows(@CurrentUser User currentUser) {
+
+        List<Post> posts = postService.getPostsOfAllFollows(currentUser.getUserId());
+
+        return new ResponseEntity<>(posts, HttpStatus.OK);
+    }
+
     @PatchMapping("/{postId}")
     @CheckLogin
     public ResponseEntity<Void> updatePost(@PathVariable int postId,
diff --git a/src/main/java/me/liiot/snsserver/mapper/PostMapper.java b/src/main/java/me/liiot/snsserver/mapper/PostMapper.java
index 309f615..f6f24be 100644
--- a/src/main/java/me/liiot/snsserver/mapper/PostMapper.java
+++ b/src/main/java/me/liiot/snsserver/mapper/PostMapper.java
@@ -24,6 +24,9 @@ public interface PostMapper {
     @ClientDatabase(value = ClientDatabases.SLAVE)
     List<Post> getPostsByUserId(String userId);
 
+    @ClientDatabase(value = ClientDatabases.SLAVE)
+    List<Post> getPostsOfAllFollows(String userId);
+
     @ClientDatabase(value = ClientDatabases.SLAVE)
     boolean isAuthorizedOnPost(@Param("userId") String userId, @Param("postId") int postId);
 
diff --git a/src/main/java/me/liiot/snsserver/service/PostService.java b/src/main/java/me/liiot/snsserver/service/PostService.java
index 9ee7099..ff44af3 100644
--- a/src/main/java/me/liiot/snsserver/service/PostService.java
+++ b/src/main/java/me/liiot/snsserver/service/PostService.java
@@ -15,6 +15,8 @@ public interface PostService {
 
     public List<Post> getPostsByUser(String userId);
 
+    public List<Post> getPostsOfAllFollows(String userId);
+
     public void updatePost(User user, int postId, String content) throws AccessException;
 
     public void deletePost(User user, int postId) throws AccessException;
diff --git a/src/main/java/me/liiot/snsserver/service/PostServiceImpl.java b/src/main/java/me/liiot/snsserver/service/PostServiceImpl.java
index d21561b..1714f41 100644
--- a/src/main/java/me/liiot/snsserver/service/PostServiceImpl.java
+++ b/src/main/java/me/liiot/snsserver/service/PostServiceImpl.java
@@ -77,6 +77,14 @@ public List<Post> getPostsByUser(String userId) {
         return posts;
     }
 
+    @Override
+    public List<Post> getPostsOfAllFollows(String userId) {
+
+        List<Post> posts = postMapper.getPostsOfAllFollows(userId);
+
+        return posts;
+    }
+
     @Override
     @Caching(evict = {@CacheEvict(cacheNames = CacheNames.POST, key = "#postId"),
                       @CacheEvict(cacheNames = CacheNames.FEED, key = "#user.userId")})
diff --git a/src/main/resources/mapper/PostMapper.xml b/src/main/resources/mapper/PostMapper.xml
index 76527fb..a8b3f37 100644
--- a/src/main/resources/mapper/PostMapper.xml
+++ b/src/main/resources/mapper/PostMapper.xml
@@ -50,6 +50,14 @@
         ORDER BY p.createTime DESC
     </select>
 
+    <select id="getPostsOfAllFollows" parameterType="String" resultMap="postsWithImagesMap">
+        SELECT p.id, p.userId, p.content, p.createTime, i.id, i.postId, i.imageName, i.imagePath, i.seq
+        FROM post as p
+        LEFT OUTER JOIN image as i ON i.postId = p.id
+        WHERE p.userId IN (SELECT followUserId FROM follow WHERE userId = #{userId})
+        ORDER BY p.createTime DESC
+    </select>
+
     <select id="isAuthorizedOnPost" resultType="boolean">
         SELECT EXISTS
         (SELECT id FROM post WHERE id = #{postId} AND userId = #{userId})
diff --git a/src/test/java/me/liiot/snsserver/service/PostServiceTest.java b/src/test/java/me/liiot/snsserver/service/PostServiceTest.java
index c1b0af8..30a9d3e 100644
--- a/src/test/java/me/liiot/snsserver/service/PostServiceTest.java
+++ b/src/test/java/me/liiot/snsserver/service/PostServiceTest.java
@@ -166,6 +166,23 @@ void getPostsByUserTest() {
         verify(postMapper).getPostsByUserId("test2");
     }
 
+    @DisplayName("메인 / 사용자가 팔로우한 모든 계정의 게시물 조회")
+    @Test
+    void getPostsOfAllFollowsTest() {
+        Post testPost1 = new Post(11, "test3", "content", Date.valueOf("2020-10-19"));
+        Post testPost2 = new Post(12, "test4", "content", Date.valueOf("2020-10-19"));
+        List<Post> posts = new ArrayList<>();
+        posts.add(testPost1);
+        posts.add(testPost2);
+
+        when(postMapper.getPostsOfAllFollows("test1")).thenReturn(posts);
+
+        List<Post> result = postService.getPostsOfAllFollows(testUser.getUserId());
+
+        assertEquals(result, posts);
+        verify(postMapper).getPostsOfAllFollows("test1");
+    }
+
     @DisplayName("자신이 작성한 게시물 수정")
     @Test
     void updatePostTestWithSuccess() {