Merge branch '4.0.0-dev' of https://github.com/themeum/tutor into shewa-v4

Author: shewa12

assets/core/ts/components/file-uploader.ts

@@ -234,18 +234,35 @@ export const fileUploader = (props: FileUploaderProps = defaultProps) => ({
 
       if (this.multiple) {
         const mergedFiles = this.mergeFileLists(this.selectedFiles, validFiles);
+        const totalFileSize = mergedFiles.reduce((total, current) => {
+          if (typeof current === 'string') {
+            return 0;
+          }
+          return total + Math.round(Number(current?.size) || 0);
+        }, 0);
 
         if (this.maxFiles && mergedFiles.length > this.maxFiles) {
           this.showError(
             sprintf(
-              // translators: %d is the maximum number of files allowed
+              // translators: %d is the maximum number of files allowed.
               __('Cannot select more than %d files', 'tutor'),
               this.maxFiles,
             ),
           );
           return;
         }
 
+        if (totalFileSize > this.maxSize) {
+          this.showError(
+            sprintf(
+              // translators: %1$s is the maximum allowed size.
+              __('Maximum allowed size is %1$s.', 'tutor'),
+              formatBytes(this.maxSize),
+            ),
+          );
+          return;
+        }
+
         this.selectedFiles = mergedFiles;
       } else {
         this.selectedFiles = [validFiles[0]];