Adding show_system_folders option in course see BT#4705

main/course_info/infocours.php

@@ -331,6 +331,20 @@ $form->addGroup($group, '', array(get_lang("InfoAboutAdvanceInsideHomeCourse")),
 $form->addElement('style_submit_button', null, get_lang('SaveSettings'), 'class="save"');
 $form->addElement('html', '</div></div>');
 
+// Document settings
+$form->addElement('html', '<div><h3>'.Display::return_icon('folder.png', Security::remove_XSS(get_lang('Documents')),'',ICON_SIZE_SMALL).' '.Security::remove_XSS(get_lang('Documents')).'</h3><div>');
+
+$group = array(
+    $form->createElement('radio', 'show_system_folders', null, get_lang('Yes'), 1),
+    $form->createElement('radio', 'show_system_folders', null, get_lang('No'), 2),
+
+);
+$form->addGroup($group, '', array(get_lang("ShowSystemFolders")), '');
+
+$form->addElement('style_submit_button', null, get_lang('SaveSettings'), 'class="save"');
+$form->addElement('html', '</div></div>');
+
+
 // Certificate settings
 if (api_get_setting('allow_public_certificates')=='true') {
     $form->addElement('html', '<div><h3>'.Display::return_icon('certificate.png', Security::remove_XSS(get_lang('Certificates')),'',ICON_SIZE_SMALL).' '.Security::remove_XSS(get_lang('Certificates')).'</h3><div>');

main/inc/lib/course.lib.php

@@ -4337,7 +4337,8 @@ class CourseManager
             // Get send_mail_setting (auth)from table
             'email_alert_to_teacher_on_new_user_in_course',
             'enable_lp_auto_launch',
-            'pdf_export_watermark_text'
+            'pdf_export_watermark_text',
+            'show_system_folders'
         );
     }
 

main/inc/lib/document.lib.php

@@ -578,7 +578,7 @@ class DocumentManager
                 $ids_to_remove = array();
                 $my_repeat_ids = $temp = array();
 
-                // Selecting repetead ids
+                // Selecting repeated ids
                 foreach ($doc_list as $row) {
                     if (in_array($row['id'], array_keys($temp))) {
                         $my_repeat_ids[] = $row['id'];
@@ -3434,17 +3434,17 @@ class DocumentManager
      */
     public static function is_folder_to_avoid($path, $is_certificate_mode = false)
     {
-        $folders_to_avoid = array(
+        $foldersToAvoid = array(
             '/HotPotatoes_files',
             '/certificates',
         );
+        $systemFolder = api_get_course_setting('show_system_folders');
 
-        if (basename($path) == 'css') {
-            return true;
+        if ($systemFolder == 1) {
+            $foldersToAvoid = array();
         }
 
-        //Skip hotpotatoes results
-        if (strstr($path, 'HotPotatoes_files')) {
+        if (basename($path) == 'css') {
             return true;
         }
 
@@ -3455,28 +3455,28 @@ class DocumentManager
             }
         }
 
-        //Admin setting for Hide/Show the folders of all users
+        // Admin setting for Hide/Show the folders of all users
         if (api_get_setting('show_users_folders') == 'false') {
-            $folders_to_avoid[] = '/shared_folder';
+            $foldersToAvoid[] = '/shared_folder';
 
             if (strstr($path, 'shared_folder_session_')) {
                 return true;
             }
         }
 
-        //Admin setting for Hide/Show Default folders to all users
+        // Admin setting for Hide/Show Default folders to all users
         if (api_get_setting('show_default_folders') == 'false') {
-            $folders_to_avoid[] = '/images';
-            $folders_to_avoid[] = '/flash';
-            $folders_to_avoid[] = '/audio';
-            $folders_to_avoid[] = '/video';
+            $foldersToAvoid[] = '/images';
+            $foldersToAvoid[] = '/flash';
+            $foldersToAvoid[] = '/audio';
+            $foldersToAvoid[] = '/video';
         }
 
-        //Admin setting for Hide/Show chat history folder
+        // Admin setting for Hide/Show chat history folder
         if (api_get_setting('show_chat_folder') == 'false') {
-            $folders_to_avoid[] = '/chat_files';
+            $foldersToAvoid[] = '/chat_files';
         }
-        return in_array($path, $folders_to_avoid);
+        return in_array($path, $foldersToAvoid);
     }
 
     /**
@@ -3486,6 +3486,7 @@ class DocumentManager
     {
         $system_folders = array(
             '/certificates',
+            '/HotPotatoes_files',
             '/chat_files',
             '/images',
             '/flash',