funcodingdev
diff --git a/‎api/pkg/validators/message_handler_validator.go‎
Lines changed: 22 additions & 0 deletions b/‎api/pkg/validators/message_handler_validator.go‎
Lines changed: 22 additions & 0 deletions
@@ -106,6 +106,28 @@ func (validator MessageHandlerValidator) ValidateMessageSend(ctx context.Context
 		return result
 	}
 
+	if len(request.Attachments) > 10 {
+		result.Add("attachments", "you cannot attach more than 10 files to a single message")
+	}
+
+	for i, attachment := range request.Attachments {
+		if strings.TrimSpace(attachment.ContentType) == "" {
+			result.Add("attachments", fmt.Sprintf("attachment at index %d is missing content_type", i))
+		}
+		
+		if strings.TrimSpace(attachment.URL) == "" {
+			result.Add("attachments", fmt.Sprintf("attachment at index %d is missing url", i))
+		} else {
+			// Basic URL validation
+			parsedURL, err := url.ParseRequestURI(attachment.URL)
+			if err != nil || parsedURL.Scheme == "" || parsedURL.Host == "" {
+				result.Add("attachments", fmt.Sprintf("attachment at index %d has an invalid url format", i))
+			} else if parsedURL.Scheme != "http" && parsedURL.Scheme != "https" {
+				result.Add("attachments", fmt.Sprintf("attachment at index %d must use http or https scheme", i))
+			}
+		}
+	}
+
 	if request.SendAt != nil && request.SendAt.After(time.Now().Add(480*time.Hour)) {
 		result.Add("send_at", "the scheduled time cannot be more than 20 days (480 hours) in the future")
 	}