add readAt and delete message

src/app/module/chat/data/data-source/message/message-local-data-source.service.ts

@@ -88,6 +88,19 @@ export class MessageLocalDataSourceService {
     }
   }
 
+  async deleteByMessageId(messageId: string): Promise<Result<undefined|TableMessage, any>> {
+    try {
+      console.log(messageId)
+      const lastMessage = await messageDataSource.message
+        .where('messageId')
+        .equals(messageId).delete()
+
+      return ok(lastMessage[0]); // Get the last message
+    } catch (error) {
+      return err(error);
+    }
+  }
+
 
   async sendMessage(data: MessageInputDTO) {
 
@@ -121,6 +134,25 @@ export class MessageLocalDataSourceService {
   }
 
 
+  async messageExist({messageId}) {
+    try {
+      const existingMessage = await messageDataSource.message
+      .where('messageId')
+      .equals(messageId)
+      .first();
+
+      if (existingMessage) {
+        return ok(true)
+      } else {
+        return err(false)
+      }
+
+    } catch (error) {
+      return err(false);
+    }
+
+  }
+
   async update(data: TableMessage ) {
 
     try {