diff --git a/amd/src/form.js b/amd/src/form.js
index 35df3b2fe97068dc7c6d426b4fe230af95c23b4b..adb0e42b9e982af12fd6d76101ce8eabab246278 100644
--- a/amd/src/form.js
+++ b/amd/src/form.js
@@ -36,8 +36,8 @@ define(['jquery'], function ($) {
                     type: 'post',
                     xhrFields: {withCredentials: true},
                     data: $('#ltiLaunchForm').serialize(),
-                    complete: function() {
-                        $("iframe").each(function() {
+                    complete: function () {
+                        $("iframe").each(function () {
                             $(this).attr('src', $(this).data('framesrc'));
                         });
                     }
diff --git a/classes/rest.php b/classes/rest.php
deleted file mode 100644
index 838dd50ac5e12680f83364f973545b185168c55d..0000000000000000000000000000000000000000
--- a/classes/rest.php
+++ /dev/null
@@ -1,41 +0,0 @@
-<?php
-namespace filter_opencast;
-
-defined('MOODLE_INTERNAL') || die();
-
-class rest extends \core\oauth2\rest {
-    /**
-     * Define the functions of the rest API.
-     *
-     * @return array Example:
-     *  [ 'listFiles' => [ 'method' => 'get', 'endpoint' => 'http://...', 'args' => [ 'folder' => PARAM_STRING ] ] ]
-     */
-    public function get_api_functions() {
-        $baseurl = get_config('filter_opencast', 'baseurlapi');
-
-        return [
-            'me' => [
-                'endpoint' => $baseurl . '/info/me.json',
-                'method' => 'get',
-                'args' => [],
-                'response' => 'raw'
-            ],
-            'episode' => [
-                'endpoint' => $baseurl . '/search/episode.json',
-                'method' => 'get',
-                'args' => [
-                    'id' => PARAM_RAW
-                ],
-                'response' => 'raw'
-            ],
-            'footprint' => [
-                'endpoint' => $baseurl . '/usertracking/footprint.json',
-                'method' => 'get',
-                'args' => [
-                    'id' => PARAM_RAW
-                ],
-                'response' => 'raw'
-            ],
-        ];
-    }
-}
\ No newline at end of file
diff --git a/filter.php b/filter.php
index 3a1d8e5e8278c90b3fa8bbdec93162247c680513..cb67b87376df9ad8add6466af09110986115dc19 100644
--- a/filter.php
+++ b/filter.php
@@ -53,11 +53,11 @@ class filter_opencast extends moodle_text_filter {
         if ($matches) {
 
             // Login if user is not logged in yet.
-            $loggedIn  = true;
-            if(!isset($_COOKIE['JSESSIONID'])) {
+            $loggedin = true;
+            if (!isset($_COOKIE['JSESSIONID'])) {
                 // Login and set cookie.
                 filter_opencast_login();
-                $loggedIn = false;
+                $loggedin = false;
             }
 
             $video = false;
@@ -72,25 +72,24 @@ class filter_opencast extends moodle_text_filter {
                         $apiurl = get_config('tool_opencast', 'apiurl');
 
                         // Check if video is from opencast.
-                        if(strpos($match, $apiurl) === false) {
+                        if (strpos($match, $apiurl) === false) {
                             continue;
                         }
 
-                        if(strpos($apiurl, 'http') !== 0) {
+                        if (strpos($apiurl, 'http') !== 0) {
                             $apiurl = 'http://' . $apiurl;
                         }
 
                         // Extract id.
                         $id = substr($match, strpos($match, 'api/') + 4, 36);
-                        $src = $CFG->wwwroot . '/filter/opencast/player/core.html?id='.$id.'&ocurl='.urlencode($apiurl);
+                        $src = $CFG->wwwroot . '/filter/opencast/player/core.html?id=' . $id . '&ocurl=' . urlencode($apiurl);
 
-                        if($loggedIn) {
+                        if ($loggedin) {
                             // Set the source attribute directly.
-                            $player = '<iframe src="'. $src .'" width="95%" height="455px" class="ocplayer"></iframe>';
-                        }
-                        else {
+                            $player = '<iframe src="' . $src . '" width="95%" height="455px" class="ocplayer"></iframe>';
+                        } else {
                             // Set the source attribute after login.
-                            $player = '<iframe src="" data-frameSrc="' . $src .'" width="95%" height="455px" class="ocplayer"></iframe>';
+                            $player = '<iframe data-frameSrc="' . $src . '" width="95%" height="455px" class="ocplayer"></iframe>';
 
                         }
 
diff --git a/info/episode.json b/info/episode.json
deleted file mode 100644
index 555b7efdfc01843f861e135eda1a82c9bd118a90..0000000000000000000000000000000000000000
--- a/info/episode.json
+++ /dev/null
@@ -1,9 +0,0 @@
-{
-  "search-results": {
-    "offset": "0",
-    "limit": "0",
-    "total": "0",
-    "searchTime": "7",
-    "query": "(id:caffc928\\-255b\\-4a8d\\-8302\\-d91d55c2a126) AND oc_organization:mh_default_org AND (oc_acl_read:ROLE_ANONYMOUS) AND -oc_mediatype:Series AND -oc_deleted:[* TO *]"
-  }
-}
\ No newline at end of file
diff --git a/info/footprint.json b/info/footprint.json
deleted file mode 100644
index 28bc7f0e0b37fe026b1c08d1d18a37a8d41003a1..0000000000000000000000000000000000000000
--- a/info/footprint.json
+++ /dev/null
@@ -1 +0,0 @@
-{"footprints":{"total":"1","footprint":{"position":0,"views":0}}}
\ No newline at end of file
diff --git a/info/me.json b/info/me.json
deleted file mode 100644
index 09fd35683184834930f85adc29c794d361d72998..0000000000000000000000000000000000000000
--- a/info/me.json
+++ /dev/null
@@ -1,93 +0,0 @@
-{
-  "org": {
-    "anonymousRole": "ROLE_ANONYMOUS",
-    "name": "Opencast Project",
-    "adminRole": "ROLE_ADMIN",
-    "id": "mh_default_org",
-    "properties": {
-      "admin.shortcut.general.series_view": "s",
-      "admin.shortcut.editor.split_at_current_time": "v",
-      "player.shortcut.controls.nextChapter": "pageup",
-      "engageui.annotations.enable": "true",
-      "player.shortcut.controls.jumpToBegin": "backspace",
-      "admin.shortcut.general.select_previous_dashboard_filter": "F",
-      "admin.shortcut.player.mute": "m",
-      "admin.shortcut.editor.play_ending_of_current_segment": "n",
-      "player.mastervideotype": "presenter\/delivery",
-      "player.shortcut.layout.focusPrev": "<",
-      "org.opencastproject.admin.help.documentation.url": "http:\/\/docs.opencast.org",
-      "player.shortcut.controls.prevChapter": "pagedown",
-      "player.positioncontrols": "bottom",
-      "player.shortcut.zoom.moveLeft": "a",
-      "admin.shortcut.general.event_view": "e",
-      "admin.shortcut.editor.clear_list": "ctrl+backspace",
-      "adminui.user.external_role_display": "false",
-      "admin.shortcut.general.help": "?",
-      "logo_mediamodule": "\/engage\/ui\/img\/logo\/opencast-icon.svg",
-      "org.opencastproject.admin.help.restdocs.url": "\/rest_docs.html",
-      "admin.shortcut.general.new_series": "N",
-      "engageui.link_mobile_redirect.description": "For more information have a look at the official site.",
-      "player.shortcut.zoom.moveRight": "d",
-      "player.hide_video_context_menu": "false",
-      "player.shortcut.layout.movePiP": "p",
-      "player.shortcut.playbackrate.decrease": "T",
-      "admin.shortcut.general.select_next_dashboard_filter": "f",
-      "player.shortcut.zoom.in": "+",
-      "admin.shortcut.player.next_segment": "down",
-      "admin.shortcut.general.new_event": "n",
-      "player.shortcut.controls.playPause": "space",
-      "admin.shortcut.player.next_frame": "right",
-      "player.shortcut.fullscreen.cancel": "escape",
-      "org.opencastproject.admin.mediamodule.url": "\/engage\/ui",
-      "player.focusedflavor": "presentation",
-      "player.allowedtags": "engage-download,engage-streaming",
-      "player.shortcut.zoom.moveUp": "w",
-      "player.shortcut.zoom.out": "-",
-      "player.shortcut.layout.focusNext": ">",
-      "player.shortcut-sequence": "controls,volume,playbackrate,layout,zoom,fullscreen",
-      "player.shortcut.controls.seekLeft": "left",
-      "player.shortcut.playbackrate.increase": "t",
-      "admin.shortcut.editor.play_current_segment_with_pre-roll": "C",
-      "player.shortcut.volume.up": "9",
-      "adminui.chunksize": "2048",
-      "admin.shortcut.editor.cut_selected_segment": "backspace",
-      "admin.shortcut.player.step_backward": "ctrl+left",
-      "player.shortcut.controls.seekRight": "right",
-      "admin.shortcut.editor.play_current_segment": "c",
-      "logo_player": "\/engage\/theodul\/ui\/img\/opencast.svg",
-      "admin.shortcut.general.remove_filters": "r",
-      "player": "\/engage\/theodul\/ui\/core.html",
-      "player.shortcut.volume.down": "8",
-      "admin.shortcut.general.main_menu": "m",
-      "engageui.link_download.enable": "false",
-      "engageui.links_media_module.enable": "true",
-      "engageui.link_mobile_redirect.enable": "false",
-      "login.display_defaults": "true",
-      "show_embed_links": "true",
-      "admin.shortcut.player.volume_up": "+",
-      "player.layout": "off",
-      "link_mediamodule": "true",
-      "admin.shortcut.player.previous_frame": "left",
-      "player.shortcut.fullscreen.enable": "mod+enter",
-      "admin.shortcut.player.play_pause": "space",
-      "player.shortcut.volume.muteToggle": "m",
-      "admin.shortcut.player.volume_down": "-",
-      "admin.shortcut.player.previous_segment": "up",
-      "engageui.link_mobile_redirect.url": "http:\/\/opencast.org\/",
-      "org.opencastproject.oaipmh.server.hosturl": "",
-      "player.shortcut.layout.togglePiP": "o",
-      "admin.shortcut.player.step_forward": "ctrl+right",
-      "player.shortcut.zoom.moveDown": "s"
-    }
-  },
-  "roles": [
-    "ROLE_ANONYMOUS"
-  ],
-  "userRole": "ROLE_USER_ANONYMOUS",
-  "user": {
-    "provider": null,
-    "name": null,
-    "email": null,
-    "username": "anonymous"
-  }
-}
\ No newline at end of file
diff --git a/lib.php b/lib.php
index df83dec8b1a71df3f2f8d7fb6a37a05964bc9c8f..2cf9b0b9dea85c9f5b081461befa13d5c083c0c5 100644
--- a/lib.php
+++ b/lib.php
@@ -13,9 +13,6 @@
 //
 // You should have received a copy of the GNU General Public License
 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
-require_once($CFG->dirroot.'/mod/lti/locallib.php');
-require_once($CFG->dirroot.'/lib/oauthlib.php');
-
 /**
  * Opencast library functions.
  *
@@ -26,6 +23,8 @@ require_once($CFG->dirroot.'/lib/oauthlib.php');
  */
 
 defined('MOODLE_INTERNAL') || die();
+require_once($CFG->dirroot . '/mod/lti/locallib.php');
+require_once($CFG->dirroot . '/lib/oauthlib.php');
 
 /**
  * Use lti to login and retrieve cookie from opencast.
@@ -44,8 +43,8 @@ function filter_opencast_login() {
     $consumerkey = get_config('filter_opencast', 'consumerkey');
     $consumersecret = get_config('filter_opencast', 'consumersecret');
 
-    $helper = new oauth_helper(array('oauth_consumer_key' => $consumerkey,
-        'oauth_consumer_secret' => $consumersecret));
+    $helper = new oauth_helper(array('oauth_consumer_key'    => $consumerkey,
+                                     'oauth_consumer_secret' => $consumersecret));
 
     // Set all necessary parameters.
     $params = array();
@@ -61,7 +60,7 @@ function filter_opencast_login() {
     $params['resource_link_title'] = 'Opencast';
     $params['context_type'] = ($COURSE->format == 'site') ? 'Group' : 'CourseSection';
     $params['lis_person_name_given'] = $USER->firstname;
-    $params['lis_person_name_family'] =  $USER->lastname;
+    $params['lis_person_name_family'] = $USER->lastname;
     $params['lis_person_name_full'] = $USER->firstname . ' ' . $USER->lastname;
     $params['ext_user_username'] = $USER->username;
     $params['lis_person_contact_email_primary'] = $USER->email;
@@ -84,7 +83,7 @@ function filter_opencast_login() {
 
     $params['launch_presentation_document_target'] = 'iframe';
     $params['oauth_signature_method'] = 'HMAC-SHA1';
-    $params['oauth_signature'] = $helper->sign("POST", $endpoint, $params, $consumersecret.'&');
+    $params['oauth_signature'] = $helper->sign("POST", $endpoint, $params, $consumersecret . '&');
 
     $content = "<form action=\"" . $endpoint .
         "\" name=\"ltiLaunchForm\" id=\"ltiLaunchForm\" method=\"post\" encType=\"application/x-www-form-urlencoded\">\n";
@@ -102,5 +101,5 @@ function filter_opencast_login() {
 
     echo $content;
     // Submit form.
-    $PAGE->requires->js_call_amd('filter_opencast/form','init');
+    $PAGE->requires->js_call_amd('filter_opencast/form', 'init');
 }
\ No newline at end of file
diff --git a/settings.php b/settings.php
index a3128ec3d446bd9d6d93932a3b4561e80a55abde..cd977f93eb94af47607c0b78e11dd5f50338c6fd 100644
--- a/settings.php
+++ b/settings.php
@@ -24,8 +24,10 @@
 defined('MOODLE_INTERNAL') || die;
 
 if ($ADMIN->fulltree) {
-    $settings->add(new admin_setting_configtext('filter_opencast/consumerkey', get_string('setting_consumerkey', 'filter_opencast'),
+    $settings->add(new admin_setting_configtext('filter_opencast/consumerkey',
+        get_string('setting_consumerkey', 'filter_opencast'),
         get_string('setting_consumerkey_desc', 'filter_opencast'), ''));
-    $settings->add(new admin_setting_configtext('filter_opencast/consumersecret', get_string('setting_consumersecret', 'filter_opencast'),
+    $settings->add(new admin_setting_configtext('filter_opencast/consumersecret',
+        get_string('setting_consumersecret', 'filter_opencast'),
         get_string('setting_consumersecret_desc', 'filter_opencast'), ''));
 }
diff --git a/test.php b/test.php
deleted file mode 100644
index f67695bbd3bfe19b60ce11c9d963fb92cad3665b..0000000000000000000000000000000000000000
--- a/test.php
+++ /dev/null
@@ -1,45 +0,0 @@
-<?php
-// This file is part of Moodle - http://moodle.org/
-//
-// Moodle is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// Moodle is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
-
-/**
- * Opencast filter settings
- *
- * @package    filter_opencastfilter
- * @copyright  2017 Tamara Gunkel
- * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
- */
-require_once(__DIR__ . '/../../config.php');
-
-// TODO get issuerid
-$issuerid = get_config('filter_opencast', 'issuerid');
-$issuer = \core\oauth2\api::get_issuer($issuerid);
-// Get an OAuth client from the issuer.
-// TODO return url
-$returnurl = new moodle_url('/filter/opencastfilter/adminsettings.php');
-$client = \core\oauth2\api::get_user_oauth_client($issuer, $returnurl);
-
-$service = new \filter_opencast\rest($client);
-$me = $service->call('me', []);
-file_put_contents('info/me.json', $me);
-
-$id = '607e3bc5-f134-4ca2-87fd-b87a76ea3a65';
-$params = ['id' => $id];
-$episode = $service->call('episode', $params);
-file_put_contents('info/episode.json', $episode);
-
-$params = ['id' => '6103ef9b-d699-435d-9e69-4676afd30c87'];
-$footprint = $service->call('footprint', $params);
-file_put_contents('info/footprint.json', $footprint);
diff --git a/version.php b/version.php
index 1e76d9a7aa14ecf9c3b273a21e672592ee23c5f4..f781a9371a50a34ff4bab8d30ae105e36a158dc1 100644
--- a/version.php
+++ b/version.php
@@ -25,7 +25,7 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-$plugin->version   = 2018021500;        // The current plugin version (Date: YYYYMMDDXX)
-$plugin->requires  = 2017050500;        // Requires this Moodle version
-$plugin->component = 'filter_opencast'; // Full name of the plugin (used for diagnostics)
+$plugin->version = 2018021500;        // The current plugin version (Date: YYYYMMDDXX).
+$plugin->requires = 2017050500;        // Requires this Moodle version.
+$plugin->component = 'filter_opencast'; // Full name of the plugin.
 $plugin->dependencies = array('tool_opencast' => ANY_VERSION);