feat(upload): integrate upload service for chat image validation and S3 uploads

- Added UploadService to handle image uploads and validation for chat messages.
- Updated ChatService and MessageService to utilize UploadService for validating image segments in messages.
- Enhanced wire generation to inject UploadService into relevant services.
- Introduced UploadImageBytes method in UploadService for uploading images directly from memory.
- Added TrustedPublicURLPrefix method in S3 Client for generating public URLs for uploaded images.

cmd/server/wire_gen.go

@@ -65,19 +65,19 @@ func InitializeApp() (*App, error) {
 	channelService := wire.ProvideChannelService(channelRepository, cache)
 	postHandler := wire.ProvidePostHandler(postService, userService, channelService, logService)
 	commentHandler := handler.NewCommentHandler(commentService)
-	chatService := wire.ProvideChatService(db, messageRepository, userRepository, hub, cache)
-	messageService := wire.ProvideMessageService(db, messageRepository, cache)
+	s3Client, err := wire.ProvideS3Client(config)
+	if err != nil {
+		return nil, err
+	}
+	uploadService := wire.ProvideUploadService(s3Client, userService)
+	chatService := wire.ProvideChatService(db, messageRepository, userRepository, hub, cache, uploadService)
+	messageService := wire.ProvideMessageService(db, messageRepository, cache, uploadService)
 	groupRepository := repository.NewGroupRepository(db)
 	groupService := wire.ProvideGroupService(db, groupRepository, userRepository, messageRepository, hub, cache)
 	messageHandler := wire.ProvideMessageHandler(chatService, messageService, userService, groupService, hub)
 	notificationRepository := repository.NewNotificationRepository(db)
 	notificationService := wire.ProvideNotificationService(notificationRepository, cache)
 	notificationHandler := handler.NewNotificationHandler(notificationService)
-	s3Client, err := wire.ProvideS3Client(config)
-	if err != nil {
-		return nil, err
-	}
-	uploadService := wire.ProvideUploadService(s3Client, userService)
 	uploadHandler := handler.NewUploadHandler(uploadService)
 	jwtService := wire.ProvideJWTService(config)
 	pushHandler := handler.NewPushHandler(pushService)