From 55dc52bd8f856404cbd12044b639120a53dd4807 Mon Sep 17 00:00:00 2001
From: Daniel Thies <dethies@gmail.com>
Date: Fri, 4 Aug 2023 09:51:17 -0500
Subject: [PATCH] VID-686: Add videojs poster inmage

---
 plugin/videojs/classes/video_embed.php        | 17 ++++++++
 .../lang/en/videotimeplugin_videojs.php       |  2 +
 plugin/videojs/lib.php                        | 40 ++++++++++++++++++-
 plugin/videojs/templates/video_embed.mustache |  1 +
 4 files changed, 58 insertions(+), 2 deletions(-)

diff --git a/plugin/videojs/classes/video_embed.php b/plugin/videojs/classes/video_embed.php
index 798c8ee6..ab265d53 100644
--- a/plugin/videojs/classes/video_embed.php
+++ b/plugin/videojs/classes/video_embed.php
@@ -24,8 +24,10 @@
 
 namespace videotimeplugin_videojs;
 
+use context_module;
 use core_component;
 use mod_videotime\vimeo_embed;
+use moodle_url;
 use renderer_base;
 
 defined('MOODLE_INTERNAL') || die();
@@ -55,9 +57,24 @@ public function export_for_template(renderer_base $output) {
 
         $mimetype = resourcelib_guess_url_mimetype($this->record->vimeo_url);
 
+        $context = context_module::instance($this->get_cm()->id);
+        $fs = get_file_storage();
+        foreach ($fs->get_area_files($context->id, 'videotimeplugin_videojs', 'poster') as $file) {
+            if (!$file->is_directory()) {
+                $poster = moodle_url::make_pluginfile_url(
+                    $context->id,
+                    'videotimeplugin_videojs',
+                    'poster',
+                    0,
+                    $file->get_filepath(),
+                    $file->get_filename()
+                )->out(false);
+            }
+        }
         $context = parent::export_for_template($output) + [
             'mimetype' => $mimetype,
             'video' => !file_mimetype_in_typegroup($mimetype, ['web_audio']),
+            'poster' => $poster ?? false,
         ];
 
         return $context;
diff --git a/plugin/videojs/lang/en/videotimeplugin_videojs.php b/plugin/videojs/lang/en/videotimeplugin_videojs.php
index 18aee189..a69bcccc 100644
--- a/plugin/videojs/lang/en/videotimeplugin_videojs.php
+++ b/plugin/videojs/lang/en/videotimeplugin_videojs.php
@@ -27,4 +27,6 @@
 $string['mediafile'] = 'Media file';
 $string['mediafile_help'] = 'Upload an audio or video file to use';
 $string['pluginname'] = 'Video Time VideoJS Player';
+$string['poster'] = 'Poster file';
+$string['poster_help'] = 'Upload a poster image that will be displayed before video is started';
 $string['privacy:metadata'] = 'The Video Time VideoJS Player plugin does not store any personal data.';
diff --git a/plugin/videojs/lib.php b/plugin/videojs/lib.php
index 9844be81..0f300d09 100644
--- a/plugin/videojs/lib.php
+++ b/plugin/videojs/lib.php
@@ -70,6 +70,15 @@ function videotimeplugin_videojs_update_instance($moduleinstance, $mform = null)
             0,
             ['subdirs' => 0, 'maxfiles' => 1]
         );
+
+        file_save_draft_area_files(
+            $data->poster,
+            $context->id,
+            'videotimeplugin_videojs',
+            'poster',
+            0,
+            ['subdirs' => 0, 'maxfiles' => 1]
+        );
     }
 }
 
@@ -225,6 +234,23 @@ function videotimeplugin_videojs_add_form_fields($mform, $formclass) {
             'name'
         );
         $mform->addHelpButton('mediafile', 'mediafile', 'videotimeplugin_videojs');
+
+        $mform->insertElementBefore(
+            $mform->createElement('filemanager', 'poster', get_string('poster', 'videotimeplugin_videojs'), null, [
+                'subdirs' => 0,
+                'maxfiles' => 1,
+                'accepted_types' => ['image'],
+            ]),
+            'name'
+        );
+        $mform->addHelpButton('poster', 'poster', 'videotimeplugin_videojs');
+    } else {
+        $mform->addElement('filemanager', 'poster', get_string('poster', 'videotimeplugin_videojs'), null, [
+            'subdirs' => 0,
+            'maxfiles' => 1,
+            'accepted_types' => ['image'],
+        ]);
+        $mform->addHelpButton('poster', 'poster', 'videotimeplugin_videojs');
     }
 }
 
@@ -248,7 +274,14 @@ function videotimeplugin_videojs_data_preprocessing(array &$defaultvalues, int $
             'mediafile',
             0
         );
-        $defaultvalues['mediafile'] = $draftitemid;
+        file_prepare_draft_area(
+            $draftitemid,
+            $context->id,
+            'videotimeplugin_videojs',
+            'poster',
+            0
+        );
+        $defaultvalues['poster'] = $draftitemid;
     }
 }
 
@@ -272,7 +305,9 @@ function videotimeplugin_videojs_pluginfile($course, $cm, $context, $filearea, $
 
     require_login($course, true, $cm);
 
-    if ($filearea == 'mediafile') {
+    if (in_array($filearea, [
+        'mediafile', 'poster',
+    ])) {
 
         $relativepath = implode('/', $args);
 
@@ -295,5 +330,6 @@ function videotimeplugin_videojs_pluginfile($course, $cm, $context, $filearea, $
 function videotimeplugin_videojs_config_file_areas() {
     return [
         'mediafile',
+        'poster',
     ];
 }
diff --git a/plugin/videojs/templates/video_embed.mustache b/plugin/videojs/templates/video_embed.mustache
index 95b01cb1..5c9c48e5 100644
--- a/plugin/videojs/templates/video_embed.mustache
+++ b/plugin/videojs/templates/video_embed.mustache
@@ -50,6 +50,7 @@
     {{# video }}
     <video class="video-js"
         id="vimeo-embed-{{uniqueid}}"
+        {{# poster }} poster="{{ poster }}" {{/ poster }}
         controls {{# playsinline }} playsinline {{/ playsinline }}
     >
     </video>