Fix import #8274

main/coursecopy/import_backup.php

@@ -3,6 +3,8 @@
 
 use Chamilo\CourseBundle\Component\CourseCopy\CourseSelectForm;
 use Chamilo\CourseBundle\Component\CourseCopy\CourseArchiver;
+use Chamilo\CourseBundle\Component\CourseCopy\CourseRestorer;
+
 
 /**
  * Import a backup.

src/Chamilo/CourseBundle/Component/CourseCopy/Course.php

@@ -70,22 +70,22 @@ class Course
      */
     public function has_resources($resource_type = null)
     {
-        if( $resource_type != null) {
-            return isset($this->resources[$resource_type]) && is_array($this->resources[$resource_type]) && (count(
-                    $this->resources[$resource_type]
-                ) > 0);
+        if ($resource_type != null) {
+            return
+                isset($this->resources[$resource_type]) && is_array($this->resources[$resource_type]) && (
+                    count($this->resources[$resource_type]) > 0
+                );
         }
-        return (count($this->resources) > 0);
+
+        return count($this->resources) > 0;
     }
 
     /**
      * @inheritdoc
      */
     public function show()
-    { /*
-        echo '<pre>';
-        print_r($this);
-        echo '</pre>';*/
+    {
+        
     }
 
     /**

src/Chamilo/CourseBundle/Component/CourseCopy/CourseArchiver.php

@@ -211,20 +211,28 @@ class CourseArchiver
         if ($delete) {
             @unlink(api_get_path(SYS_ARCHIVE_PATH) . '' . $filename);
         }
+
         // read the course
         if (!is_file('course_info.dat')) {
             return new Course();
         }
+
         $fp = @fopen('course_info.dat', "r");
         $contents = @fread($fp, filesize('course_info.dat'));
         @fclose($fp);
-        // CourseCopyLearnpath class appeared in Chamilo 1.8.7, it is the former Learnpath class in the "Copy course" tool.
-        // For backward comaptibility with archives created on Chamilo 1.8.6.2 or older systems, we have to do the following:
-        // Before unserialization, if class name "Learnpath" was found, it should be renamed as "CourseCopyLearnpath".
-        $course = unserialize(str_replace('O:9:"Learnpath":', 'O:19:"CourseCopyLearnpath":', base64_decode($contents)));
-        if (get_class($course) != 'Course') {
+
+        class_alias('Chamilo\CourseBundle\Component\CourseCopy\Course', 'Course');
+        class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\Document', 'Document');
+        class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\QuizQuestion', 'QuizQuestion');
+
+        $course = unserialize(base64_decode($contents));
+
+        if (!in_array(
+            get_class($course), ['Course', 'Chamilo\CourseBundle\Component\CourseCopy\Course'])
+        ) {
             return new Course();
         }
+        
         $course->backup_path = $unzip_dir;
 
         return $course;