Allow custom poster images

data/add_media_poster.sql

@@ -0,0 +1 @@
+ALTER TABLE `media` ADD `poster` VARCHAR(255) NULL AFTER `url`;

scripts/find404Posters.php

@@ -0,0 +1,46 @@
+<?php
+require_once dirname(__FILE__).'/../config.inc.php';
+
+$mediahub = new UNL_MediaHub($dsn);
+
+$list = new UNL_MediaHub_MediaList(array(
+    'filter' => new UNL_MediaHub_MediaList_Filter_WithPoster()
+));
+
+$list->options['limit'] = 3000;
+$list->run();
+
+if (count($list->items)) {
+    foreach ($list->items as $media) {
+        if (empty($media->poster)) {
+            continue;
+        }
+
+        // Try and get the poster
+        if (substr($media->poster, 0, 5) == 'http:'
+            || substr($media->poster, 0, 6) == 'https:') {
+            $context = stream_context_create(array('http'=>array(
+                'method'     => 'GET',
+                'user_agent' => 'UNL MediaHub/mediahub.unl.edu'
+            )));
+
+            if ($result = @file_get_contents($media->poster, null, $context, -1, 8)) {
+                // Assume OK, $result would === false if there was a 404
+                continue;
+            }
+
+            if (false === $http_response_header) {
+                echo 'DNS failure, did the server move?'.PHP_EOL;
+            }
+
+            foreach ($http_response_header as $header) {
+                if (strpos($header, 'HTTP/1.1 404 Not Found') !== false) {
+                    // This file is GONE! Better remove it
+                    echo 'REMOVING POSTER-'.PHP_EOL.'ID:    '.$media->id.PHP_EOL.'Title: '.$media->title.PHP_EOL.'POSTER URL:   '.$media->poster.PHP_EOL.PHP_EOL;
+                    $media->poster = '';
+                    $media->save();
+                }
+            }
+        }
+    }
+}

src/UNL/MediaHub/Media.php

@@ -258,6 +258,10 @@ function addTag($newTag)
      */
     function getThumbnailURL()
     {
+        if (!empty($this->poster)) {
+            return $this->poster;
+        }
+
         return UNL_MediaHub_Controller::$thumbnail_generator.urlencode($this->url);
     }
 

src/UNL/MediaHub/MediaList/Filter/WithPoster.php

@@ -0,0 +1,38 @@
+<?php
+class UNL_MediaHub_MediaList_Filter_WithPoster implements UNL_MediaHub_Filter
+{
+    function __construct()
+    {
+
+    }
+
+    function apply(Doctrine_Query &$query)
+    {
+        $query->where('m.poster IS NOT NULL AND m.poster != ""');
+    }
+
+    function getLabel()
+    {
+        return 'Media with posters';
+    }
+
+    function getType()
+    {
+        return '';
+    }
+
+    function getValue()
+    {
+        return '';
+    }
+
+    function __toString()
+    {
+        return '';
+    }
+
+    public static function getDescription()
+    {
+        return 'Find media with custom poster images defined';
+    }
+}

src/UNL/MediaHub/Models/BaseMedia.php

@@ -9,6 +9,7 @@ public function setTableDefinition()
         $this->hasColumn('url',           'string',    null, array('fixed' => false, 'primary' => false, 'notnull' => true, 'autoincrement' => false,
                                                                    'regexp' => '/^(https?):\/\/([^\/])+unl\.edu\/.*/',
                                                                    'notblank' => true));
+        $this->hasColumn('poster',        'string',    null, array('fixed' => false, 'primary' => false, 'notnull' => false, 'autoincrement' => false));
         $this->hasColumn('length',        'integer',   4,    array('unsigned' => 0, 'primary' => false, 'notnull' => false, 'autoincrement' => false));
         $this->hasColumn('type',          'string',    null, array('fixed' => false, 'primary' => false, 'notnull' => true, 'autoincrement' => false));
         $this->hasColumn('title',         'string',    null, array('fixed' => false, 'primary' => false, 'notnull' => true, 'autoincrement' => false));

upgrade.php

@@ -36,5 +36,7 @@ function exec_sql($db, $sql, $message, $fail_ok = false)
 exec_sql($db, file_get_contents(dirname(__FILE__).'/data/add_featured_feed_fields.sql'), 'Adding featured feeds support', true);
 exec_sql($db, file_get_contents(dirname(__FILE__).'/data/add_media_privacy.sql'), 'Adding media privacy settings', true);
 exec_sql($db, file_get_contents(dirname(__FILE__).'/data/add_media_play_count.sql'), 'Adding media play count', true);
+exec_sql($db, file_get_contents(dirname(__FILE__).'/data/add_media_poster.sql'), 'Adding media poster', true);
+
 
 echo 'Upgrade complete!';

www/manager/templates/Feed/Media/Form.tpl.php

@@ -69,6 +69,15 @@
                     ?>
                 </select>
             </li>
+            <?php
+            $text = '';
+            if (isset($context->media) && $context->media->isVideo()) {
+                $text = 'This image will override the one chosen above.';
+            }
+            ?>
+            <li><label>URL of custom poster image<span class="helper">If filled in, this image will be displayed as the thumbnail for the media.  <?php echo $text; ?></span></label>
+                <input id="media_poster" name="poster" type="text" class="validate-url" value="<?php echo htmlentities(@$context->media->poster, ENT_QUOTES); ?>" />
+            </li>
             <li style="display:none;"><label for="submit_existing" class="element">&nbsp;</label><div class="element"><input id="submit_existing" name="submit_existing" value="Save" type="submit" /></div></li>
         </ol>
     </fieldset>

www/manager/templates/Media/Preview/Video.tpl.php

@@ -5,13 +5,22 @@
         <li>Click the "Set Image" button to save this as your image representation.</li>
         <li>Continue with the form below.</li>
     </ol>
+
     <h5 class="sec_header">Your Image</h5>
     <div id="imageOverlay">
         <p>We're updating your image, this may take a few minutes depending on video length. <strong>Now is a good time to make sure the information below is up to snuff!</strong></p>
     </div>
     <img src="<?php echo $context->getThumbnailURL(); ?>" id="thumbnail" alt="Thumbnail preview" />
-    <a class="action" id="setImage" href="#">Set Image</a>
+    <div id="poster_picker">
+        <a class="action" id="setImage" href="#">Set Image</a>
+    </div>
+    <div id="poster_picker_disabled">
+        <p>
+            The poster picker has been disabled.  Enable it by <a id="enable_poster_picker" href="#">removing the custom post image url</a>.
+        </p>
+    </div>
 </div>
+
 <div id="videoDisplay" class="two_col right">
     <?php echo $savvy->render($context, 'MediaPlayer.tpl.php'); ?>
 </div>

www/templates/html/MediaPlayer/Video.tpl.php

@@ -14,6 +14,11 @@
     $autoplay = '';
 }
 
+//Don't auto play on the addmedia view
+if (isset($controller->options['view']) && $controller->options['view'] == 'addmedia') {
+    $autoplay = '';
+}
+
 if (isset($controller->options['autoplay']) && !$controller->options['autoplay']) {
     $autoplay = '';
 }

www/templates/html/scripts/mediaDetails.js

@@ -82,7 +82,18 @@ var mediaDetails = function() {
 				WDN.jQuery('#thumbnail').attr('src', thumbnail.src);
 			};
 			thumbnail.onerror = '';
-		}
+		},
+
+        hidePosterPicker: function() {
+            WDN.jQuery('#poster_picker').hide();
+            WDN.jQuery('#poster_picker_disabled').show();
+        },
+
+        showPosterPicker: function() {
+            WDN.jQuery('#poster_picker').show();
+            WDN.jQuery('#poster_picker_disabled').hide();
+            mediaDetails.updateThumbnail();
+        }
 	};
 }();
 
@@ -99,6 +110,26 @@ WDN.jQuery(document).ready(function() {
     	WDN.jQuery("#fileUpload").hide();
     }
 
+    if (WDN.jQuery('#media_poster').val() !== '') {
+        WDN.jQuery('#poster_picker').hide();
+    } else {
+        WDN.jQuery('#poster_picker_disabled').hide();
+    }
+
+    WDN.jQuery('#media_poster').on('keyup', function() {
+        if (this.value == '') {
+            mediaDetails.showPosterPicker();
+        } else {
+            WDN.jQuery('#thumbnail').attr('src', this.value);
+            mediaDetails.hidePosterPicker();
+        }
+    });
+
+    WDN.jQuery('#enable_poster_picker').click(function() {
+        WDN.jQuery('#media_poster').val('');
+        mediaDetails.showPosterPicker();
+    });
+
     WDN.jQuery("#mediaSubmit").click(function(event) { //called when a user adds video
 
     		if (document.getElementById("file_upload").value == '') {