Change getMimeType() in Report in case file is missing or `file` beaks:...

Change getMimeType() in Report in case file is missing or `file` beaks: instead to throw an exception, an empty string is returned.

extension/qfq/qfq/helper/HelperFile.php

@@ -64,11 +64,16 @@ class HelperFile {
      * @return string
      * @throws UserFormException
      */
-    public static function getMimeType($pathFilename) {
+    public static function getMimeType($pathFilename, $flagIgnoreError = false) {
 
         // E.g.: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet; charset=binary'
         $fileMimeType = exec('file --brief --mime ' . $pathFilename, $output, $return_var);
         if ($return_var != 0) {
+
+            if ($flagIgnoreError) {
+                return '';
+            }
+
             throw new UserFormException('Error get mime type of upload.', ERROR_UPLOAD_GET_MIME_TYPE);
         }
 

extension/qfq/qfq/report/Report.php

@@ -733,7 +733,7 @@ class Report {
                 break;
 
             case COLUMN_MIME_TYPE:
-                $content .= HelperFile::getMimeType($columnValue);
+                $content .= HelperFile::getMimeType($columnValue, true);
                 break;
 
             case COLUMN_FILE_SIZE: