From 614971024c2b02c64deae2de72f81d6b9a226f2e Mon Sep 17 00:00:00 2001
From: Seth Fisher <sethfisher@gmail.com>
Date: Tue, 20 Feb 2018 22:52:20 -0500
Subject: [PATCH] YT Playlist Parameter Additions

* Added autoplay, start, and index params to YT PL

* Add YT Playlist params to FieldOutputTest

Autoplay, start, and index
---
 .../Provider/YouTubePlaylist.php              | 27 ++++++
 tests/src/Kernel/FieldOutputTest.php          | 87 +++++++++++++++++++
 2 files changed, 114 insertions(+)

diff --git a/src/Plugin/video_embed_field/Provider/YouTubePlaylist.php b/src/Plugin/video_embed_field/Provider/YouTubePlaylist.php
index 1043c5a..0bea2cf 100644
--- a/src/Plugin/video_embed_field/Provider/YouTubePlaylist.php
+++ b/src/Plugin/video_embed_field/Provider/YouTubePlaylist.php
@@ -24,6 +24,9 @@ public function renderEmbedCode($width, $height, $autoplay) {
       '#url' => 'https://www.youtube.com/embed/videoseries',
       '#query' => [
         'list' => $this->getVideoId(),
+        'autoplay' => $autoplay,
+        'start' => $this->getTimeIndex(),
+        'index' => $this->getVideoPositionIndex(),
       ],
       '#attributes' => [
         'width' => $width,
@@ -33,6 +36,30 @@ public function renderEmbedCode($width, $height, $autoplay) {
       ],
     ];
   }
+  
+  /**
+   * Get the time index for when the given playlist video starts.
+   *
+   * @return int
+   *   The time index where the playlist video should start based on the URL.
+   */
+  protected function getTimeIndex() {
+    preg_match('/[&\?]t=(?<timeindex>\d+)/', $this->getInput(), $matches);
+    return isset($matches['timeindex']) ? $matches['timeindex'] : 0;
+  }
+  
+  /**
+   * Get the position index of the video with which the given playlist should
+   * start.
+   *
+   * @return int
+   *   The position index of the video with which the playlist should start
+   *   based on the URL.
+   */
+  protected function getVideoPositionIndex() {
+    preg_match('/[&\?]index=(?<position_index>\d+)/', $this->getInput(), $matches);
+    return isset($matches['position_index']) ? $matches['position_index'] : 0;
+  }
 
   /**
    * {@inheritdoc}
diff --git a/tests/src/Kernel/FieldOutputTest.php b/tests/src/Kernel/FieldOutputTest.php
index 5ce00a5..4cb5eff 100644
--- a/tests/src/Kernel/FieldOutputTest.php
+++ b/tests/src/Kernel/FieldOutputTest.php
@@ -490,6 +490,93 @@ public function renderedFieldTestCases() {
             '#url' => 'https://www.youtube.com/embed/videoseries',
             '#query' => [
               'list' => 'PLpeDXSh4nHjQCIZmkxg3VSdpR5e87X5eB',
+              'autoplay' => '1',
+              'start' => '0',
+              'index' => '0',
+            ],
+            '#attributes' => [
+              'width' => '100',
+              'height' => '100',
+              'frameborder' => '0',
+              'allowfullscreen' => 'allowfullscreen',
+            ],
+            '#cache' => [
+              'contexts' => [
+                'user.permissions',
+              ],
+            ],
+          ],
+        ],
+      ],
+      'YouTube Playlist: Time-index Embed Code' => [
+        'https://www.youtube.com/watch?v=xoJH3qZwsHc&list=PLpeDXSh4nHjQCIZmkxg3VSdpR5e87X5eB&t=100',
+        [
+          'type' => 'video_embed_field_video',
+          'settings' => [
+            'width' => 100,
+            'height' => 100,
+            'autoplay' => TRUE,
+            'responsive' => FALSE,
+          ],
+        ],
+        [
+          '#type' => 'container',
+          '#attributes' => [
+            'class' => [
+              'video-embed-field-provider-youtube-playlist',
+            ],
+          ],
+          'children' => [
+            '#type' => 'video_embed_iframe',
+            '#provider' => 'youtube_playlist',
+            '#url' => 'https://www.youtube.com/embed/videoseries',
+            '#query' => [
+              'list' => 'PLpeDXSh4nHjQCIZmkxg3VSdpR5e87X5eB',
+              'autoplay' => '1',
+              'start' => '100',
+              'index' => '0',
+            ],
+            '#attributes' => [
+              'width' => '100',
+              'height' => '100',
+              'frameborder' => '0',
+              'allowfullscreen' => 'allowfullscreen',
+            ],
+            '#cache' => [
+              'contexts' => [
+                'user.permissions',
+              ],
+            ],
+          ],
+        ],
+      ],
+      'YouTube Playlist: Position-index Embed Code' => [
+        'https://www.youtube.com/watch?v=xoJH3qZwsHc&list=PLpeDXSh4nHjQCIZmkxg3VSdpR5e87X5eB&index=5',
+        [
+          'type' => 'video_embed_field_video',
+          'settings' => [
+            'width' => 100,
+            'height' => 100,
+            'autoplay' => TRUE,
+            'responsive' => FALSE,
+          ],
+        ],
+        [
+          '#type' => 'container',
+          '#attributes' => [
+            'class' => [
+              'video-embed-field-provider-youtube-playlist',
+            ],
+          ],
+          'children' => [
+            '#type' => 'video_embed_iframe',
+            '#provider' => 'youtube_playlist',
+            '#url' => 'https://www.youtube.com/embed/videoseries',
+            '#query' => [
+              'list' => 'PLpeDXSh4nHjQCIZmkxg3VSdpR5e87X5eB',
+              'autoplay' => '1',
+              'start' => '0',
+              'index' => '5',
             ],
             '#attributes' => [
               'width' => '100',