From ed8fb7fe0209b6180222969c336fac0faa40cfd2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E1=84=8B=E1=85=B5=E1=84=80=E1=85=AA=E1=86=BC=E1=84=92?=
 =?UTF-8?q?=E1=85=AE=E1=86=AB?= <leegh963@naver.com>
Date: Sun, 10 Dec 2023 20:24:11 +0900
Subject: [PATCH 1/2] =?UTF-8?q?[BE]=20Feat=20:=20=ED=98=84=EC=9E=AC=20?=
 =?UTF-8?q?=EC=95=88=20=EC=9D=BD=EC=9D=80=20=EC=B1=84=ED=8C=85=EC=9D=B4=20?=
 =?UTF-8?q?=EC=9E=88=EB=8A=94=EC=A7=80=20=ED=99=95=EC=9D=B8?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 BE/src/chat/chat.controller.ts |  6 ++++
 BE/src/chat/chat.service.ts    | 55 ++++++++++++++++++++++++++++++++++
 2 files changed, 61 insertions(+)

diff --git a/BE/src/chat/chat.controller.ts b/BE/src/chat/chat.controller.ts
index 6c0c546..dc5631e 100644
--- a/BE/src/chat/chat.controller.ts
+++ b/BE/src/chat/chat.controller.ts
@@ -49,6 +49,12 @@ export class ChatController {
     }
   }
 
+  @Get('unread')
+  @UseGuards(AuthGuard)
+  async unreadChat(@UserHash() userId: string) {
+    return await this.chatService.unreadChat(userId);
+  }
+
   @Get()
   async testPush(@Body() body) {
     await this.fcmHandler.sendPush(body.user, {
diff --git a/BE/src/chat/chat.service.ts b/BE/src/chat/chat.service.ts
index 7f3f0ca..3c60664 100644
--- a/BE/src/chat/chat.service.ts
+++ b/BE/src/chat/chat.service.ts
@@ -151,6 +151,61 @@ export class ChatService {
     return chatListInfo;
   }
 
+  async unreadChat(userId: string) {
+    const subquery = this.chatRepository
+      .createQueryBuilder('chat')
+      .select('chat.id', 'id')
+      .addSelect('chat.chat_room', 'chat_room')
+      .addSelect('chat.message', 'message')
+      .addSelect('chat.create_date', 'create_date')
+      .addSelect('chat.is_read', 'is_read')
+      .addSelect('chat.sender', 'sender')
+      .where(
+        'chat.id IN (SELECT MAX(chat.id) FROM chat GROUP BY chat.chat_room)',
+      );
+
+    const rooms = await this.chatRoomRepository
+      .createQueryBuilder('chat_room')
+      .innerJoin(
+        '(' + subquery.getQuery() + ')',
+        'chat_info',
+        'chat_room.id = chat_info.chat_room',
+      )
+      .leftJoin(
+        'chat_room.writerUser',
+        'writer',
+        'chat_room.writerUser = writer.user_hash',
+      )
+      .leftJoin(
+        'chat_room.userUser',
+        'user',
+        'chat_room.userUser = user.user_hash',
+      )
+      .select([
+        'chat_room.id as room_id',
+        'chat_room.writer as writer',
+        'writer.nickname as writer_nickname',
+        'writer.profile_img as writer_profile_img',
+        'chat_room.user as user',
+        'user.nickname as user_nickname',
+        'user.profile_img as user_profile_img',
+        'chat_room.post_id as post_id',
+        'chat_info.create_date as last_chat_date',
+        'chat_info.message as last_chat',
+        'chat_info.is_read as is_read',
+        'chat_info.sender as sender',
+      ])
+      .getRawMany();
+
+    for (let room of rooms) {
+      if (room.sender !== userId && room.is_read === 0) {
+        return { all_read: false };
+      }
+    }
+
+    return { all_read: true };
+  }
+
   async findRoomById(roomId: number, userId: string) {
     await this.chatRepository
       .createQueryBuilder('chat')

From 6d9159f02281c4fb68562c788143e52ec8d2e171 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E1=84=8B=E1=85=B5=E1=84=80=E1=85=AA=E1=86=BC=E1=84=92?=
 =?UTF-8?q?=E1=85=AE=E1=86=AB?= <leegh963@naver.com>
Date: Sun, 10 Dec 2023 21:06:29 +0900
Subject: [PATCH 2/2] =?UTF-8?q?[BE]=20Fix=20:=20all=5Fread=20=EC=88=98?=
 =?UTF-8?q?=EC=A0=95?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 BE/src/chat/chat.service.ts | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/BE/src/chat/chat.service.ts b/BE/src/chat/chat.service.ts
index 3c60664..6419957 100644
--- a/BE/src/chat/chat.service.ts
+++ b/BE/src/chat/chat.service.ts
@@ -114,7 +114,7 @@ export class ChatService {
         'post.thumbnail as post_thumbnail',
         'chat_info.create_date as last_chat_date',
         'chat_info.message as last_chat',
-        'chat_info.is_read as allread',
+        'chat_info.is_read as all_read',
         'chat_info.sender as sender',
       ])
       .where('chat_room.writer = :userId', { userId: userId })
@@ -134,13 +134,13 @@ export class ChatService {
           : cur.user_profile_img;
 
       if (cur.sender === userId) {
-        cur.allread = true;
+        cur.all_read = true;
       } else {
-        if (cur.allread === 0) {
+        if (cur.all_read === 0) {
           chatListInfo.all_read = false;
-          cur.allread = false;
+          cur.all_read = false;
         } else {
-          cur.allread = true;
+          cur.all_read = true;
         }
       }
       delete cur.sender;