Only add owner video perm to uploader or scheduler of the recording

Currently, all dozent get write perms to an uploaded course video or to a scheduled recording. This patch changes this behaviour based on elan-ev#1216.

close elan-ev#1216

Author: dennis531

lib/Models/ScheduleHelper.php

@@ -435,6 +435,8 @@ public static function validateCourseAndResource($course_id, $resource_config_id
      */
     private static function scheduleRecording($course_id, $resource_id, $date_id, $event_id, $livestream)
     {
+        global $user;
+
         $series = SeminarSeries::getSeries($course_id);
         $serie = $series[0];
 
@@ -457,6 +459,7 @@ private static function scheduleRecording($course_id, $resource_id, $date_id, $e
         $success = ScheduledRecordings::setScheduleRecording(
             $course_id,
             $serie['series_id'],
+            $user->id,
             $date_id,
             $resource_id,
             $date->date,

lib/Models/ScheduledRecordings.php

@@ -35,6 +35,7 @@ protected static function configure($config = array())
     public static function setScheduleRecording(
         $seminar_id,
         $series_id,
+        $user_id,
         $date_id,
         $resource_id,
         $start,
@@ -54,6 +55,7 @@ public static function setScheduleRecording(
                 compact(
                     'seminar_id',
                     'series_id',
+                    'user_id',
                     'date_id',
                     'resource_id',
                     'start',

lib/Models/VideosUserPerms.php

@@ -54,6 +54,29 @@ public static function setPermissions($eventType, $episode, $video)
             return;
         }
 
+        // Determine if the event is scheduled recordings
+        $scheduled_recording = ScheduledRecordings::findOneBySql(
+            'event_id = ? AND series_id = ? AND user_id IS NOT NULL AND is_livestream = 0',
+            [$video->episode, $episode->is_part_of]
+        );
+        if (!empty($scheduled_recording)) {
+            // check, if there is already an entry for this user-video combination
+            $perm = self::findOneBySQL('video_id = :video_id AND user_id = :user_id', [
+                ':video_id' => $video->id,
+                ':user_id'  => $scheduled_recording->user_id
+            ]);
+
+            if (empty($perm)) {
+                $perm = new self();
+                $perm->user_id  = $scheduled_recording->user_id;
+                $perm->video_id = $video->id;
+                $perm->perm     = 'owner';
+                $perm->store();
+            }
+
+            return;
+        }
+
         // check if a series is assigned to this event
         if ($episode->is_part_of) {
             // get the courses this series belongs to
@@ -132,25 +155,4 @@ public static function setPermissions($eventType, $episode, $video)
         }
 
     }
-
-    public static function assignCourseLecturerPermissions($course_id, $video_id, $perm_type = 'write', $member_course_status = 'dozent')
-    {
-        $course = \Course::find($course_id);
-        $lecturers_obj = $course->getMembersWithStatus($member_course_status);
-        foreach ($lecturers_obj as $lecturer) {
-            // check, if there is already an entry for this user-video combination
-            $perm_record = self::findOneBySQL('video_id = :video_id AND user_id = :user_id', [
-                ':video_id' => $video_id,
-                ':user_id'  => $lecturer->user_id
-            ]);
-
-            if (empty($perm_record)) {
-                $perm_record = new self();
-                $perm_record->user_id  = $lecturer->user_id;
-                $perm_record->video_id = $video_id;
-                $perm_record->perm     = $perm_type;
-                $perm_record->store();
-            }
-        }
-    }
 }

lib/Routes/Video/VideoAdd.php

@@ -67,11 +67,6 @@ public function __invoke(Request $request, Response $response, $args)
                 $oc_perm->store();
             }
 
-            // Assign permissions to teachers of the course, when it is a student upload in a course.
-            if (!empty($course_id) && $perm->have_studip_perm('user', $course_id, $user->id)) {
-                VideosUserPerms::assignCourseLecturerPermissions($course_id, $video->id);
-            }
-
             $ret = $video->toSanitizedArray();
 
             $message = [

migrations/102_add_user_to_scheduled_recordings.php

@@ -0,0 +1,24 @@
+<?php
+
+class AddUserToScheduledRecordings extends Migration
+{
+    public function description()
+    {
+        return 'Add user id to oc_scheduled_recordings to identify the user who scheduled the recording';
+    }
+
+    public function up()
+    {
+        $db = DBManager::get();
+
+        $db->exec('ALTER TABLE `oc_scheduled_recordings`
+            ADD COLUMN `user_id` varchar(32) CHARACTER SET latin1 COLLATE latin1_bin NULL AFTER `series_id`');
+    }
+
+    public function down()
+    {
+        $db = DBManager::get();
+
+        $db->exec('ALTER TABLE `oc_scheduled_recordings` DROP COLUMN `user_id`');
+    }
+}