fix duplicate message

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

@@ -8,6 +8,7 @@ import { chatDatabase } from 'src/app/infra/database/dexie/service';
 import { IMessageLocalRepository } from 'src/app/core/chat/repository/message/message-local-repository';
 import { BehaviorSubject, combineLatest, from, Observable } from 'rxjs';
 import { filter, map } from 'rxjs/operators';
+import { v4 as uuidv4 } from 'uuid'
 
 @Injectable({
   providedIn: 'root'
@@ -15,6 +16,7 @@ import { filter, map } from 'rxjs/operators';
 export class MessageLocalDataSourceService extends DexieRepository<MessageTable, MessageEntity> implements IMessageLocalRepository  {
 
   private creatingSubject : BehaviorSubject<MessageTable> = new BehaviorSubject<MessageTable>(null);
+  private lastTimestamp = 0;
 
   constructor() {
     super(chatDatabase.message, MessageTableSchema)
@@ -26,6 +28,23 @@ export class MessageLocalDataSourceService extends DexieRepository<MessageTable,
   private onCreatingHook() {
     chatDatabase.message.hook('creating', (primaryKey, obj, transaction) => {
 
+      let now = Date.now();
+
+      // If the current time is the same as the last, increment
+      if (now <= this.lastTimestamp) {
+        obj.$createAt = this.lastTimestamp + 1;
+        this.lastTimestamp = this.lastTimestamp + 1;
+      } else {
+        this.lastTimestamp = now;
+        obj.$createAt = now;
+      }
+
+      if(obj.id) {
+        obj.$id = obj.id
+      } else {
+        obj.$id = 'Local-'+uuidv4()
+      }
+
       this.creatingSubject.next(obj)
     });
   }