Fixing visibility for a teacher in a course included in a session

main/inc/lib/document.lib.php

@@ -1209,8 +1209,8 @@ return 'application/octet-stream';
     		}
     	} else {
     		$user_status = SessionManager::get_user_status_in_session($user_id, $course_info['code'], $session_id);
-    		if (in_array($user_status, array('0', '6'))) {
-    			//is true if is an student or a coach
+    		if (in_array($user_status, array('0', '2', '6'))) {
+    			//is true if is an student, course session teacher or coach
     			$user_in_course = true;
     		}
     	}
@@ -2491,9 +2491,13 @@ return 'application/octet-stream';
         		if (CourseManager::is_user_subscribed_in_course($user_id, $course_info['code'])) {
         			$user_in_course = true;
         		}    		
+        		//Check if course is open then we can consider that the student is regitered to the course
+        		if (isset($course_info) && in_array($course_info['visibility'], array(2, 3))) {
+        			$user_in_course = true;
+        		}
         	} else {        		
         		$user_status = SessionManager::get_user_status_in_session($user_id, $course_info['code'], $session_id);
-        		if (in_array($user_status, array('0', '6'))) { //user and coach 
+        		if (in_array($user_status, array('0', '2', '6'))) {     			//is true if is an student, course session teacher or coach 
         			$user_in_course = true;
         		}    		 		
         	}