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<title>[29029] trunk/src: When setting the poster image for a video shortcode, set that image as the featured image for that attachment (if found) in the background.</title>
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<dt>Revision</dt> <dd><a href="http://core.trac.wordpress.org/changeset/29029">29029</a></dd>
<dt>Author</dt> <dd>wonderboymusic</dd>
<dt>Date</dt> <dd>2014-07-08 17:47:53 +0000 (Tue, 08 Jul 2014)</dd>
</dl>
<h3>Log Message</h3>
<pre>When setting the poster image for a video shortcode, set that image as the featured image for that attachment (if found) in the background. This AJAX functionality could be used for audio as well.
Introduces `attachment_url_to_postid()` to attempt to turn URLs into post IDs.
Fixes <a href="http://core.trac.wordpress.org/ticket/27891">#27891</a>.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpadminadminajaxphp">trunk/src/wp-admin/admin-ajax.php</a></li>
<li><a href="#trunksrcwpadminincludesajaxactionsphp">trunk/src/wp-admin/includes/ajax-actions.php</a></li>
<li><a href="#trunksrcwpadminincludesmediaphp">trunk/src/wp-admin/includes/media.php</a></li>
<li><a href="#trunksrcwpincludesjsmediaaudiovideojs">trunk/src/wp-includes/js/media-audiovideo.js</a></li>
<li><a href="#trunksrcwpincludesmediaphp">trunk/src/wp-includes/media.php</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunksrcwpadminadminajaxphp"></a>
<div class="modfile"><h4>Modified: trunk/src/wp-admin/admin-ajax.php (29028 => 29029)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/src/wp-admin/admin-ajax.php 2014-07-08 17:16:26 UTC (rev 29028)
+++ trunk/src/wp-admin/admin-ajax.php 2014-07-08 17:47:53 UTC (rev 29029)
</span><span class="lines">@@ -60,7 +60,7 @@
</span><span class="cx"> 'wp-remove-post-lock', 'dismiss-wp-pointer', 'upload-attachment', 'get-attachment',
</span><span class="cx"> 'query-attachments', 'save-attachment', 'save-attachment-compat', 'send-link-to-editor',
</span><span class="cx"> 'send-attachment-to-editor', 'save-attachment-order', 'heartbeat', 'get-revision-diffs',
</span><del>- 'save-user-color-scheme', 'update-widget', 'query-themes', 'parse-embed'
</del><ins>+ 'save-user-color-scheme', 'update-widget', 'query-themes', 'parse-embed', 'set-attachment-thumbnail'
</ins><span class="cx"> );
</span><span class="cx">
</span><span class="cx"> // Register core Ajax calls.
</span></span></pre></div>
<a id="trunksrcwpadminincludesajaxactionsphp"></a>
<div class="modfile"><h4>Modified: trunk/src/wp-admin/includes/ajax-actions.php (29028 => 29029)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/src/wp-admin/includes/ajax-actions.php 2014-07-08 17:16:26 UTC (rev 29028)
+++ trunk/src/wp-admin/includes/ajax-actions.php 2014-07-08 17:47:53 UTC (rev 29029)
</span><span class="lines">@@ -1947,6 +1947,55 @@
</span><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> /**
</span><ins>+ * Ajax handler for setting the featured image for an attachment.
+ *
+ * @since 4.0.0
+ */
+function wp_ajax_set_attachment_thumbnail() {
+ if ( empty( $_POST['urls'] ) || ! is_array( $_POST['urls'] ) ) {
+ wp_send_json_error();
+ }
+
+ $thumbnail_id = (int) $_POST['thumbnail_id'];
+ if ( empty( $thumbnail_id ) ) {
+ wp_send_json_error();
+ }
+
+ $post_ids = array();
+ // For each URL, try to find its corresponding post ID.
+ foreach ( $_POST['urls'] as $url ) {
+ $post_id = attachment_url_to_postid( $url );
+ if ( ! empty( $post_id ) ) {
+ $post_ids[] = $post_id;
+ }
+ }
+
+ if ( empty( $post_ids ) ) {
+ wp_send_json_error();
+ }
+
+ $success = 0;
+ // For each found attachment, set its thumbnail.
+ foreach ( $post_ids as $post_id ) {
+ if ( ! current_user_can( 'edit_post', $post_id ) ) {
+ continue;
+ }
+
+ if ( set_post_thumbnail( $post_id, $thumbnail_id ) ) {
+ $success++;
+ }
+ }
+
+ if ( 0 === $success ) {
+ wp_send_json_error();
+ } else {
+ wp_send_json_success();
+ }
+
+ wp_send_json_error();
+}
+
+/**
</ins><span class="cx"> * Ajax handler for date formatting.
</span><span class="cx"> *
</span><span class="cx"> * @since 3.1.0
</span></span></pre></div>
<a id="trunksrcwpadminincludesmediaphp"></a>
<div class="modfile"><h4>Modified: trunk/src/wp-admin/includes/media.php (29028 => 29029)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/src/wp-admin/includes/media.php 2014-07-08 17:16:26 UTC (rev 29028)
+++ trunk/src/wp-admin/includes/media.php 2014-07-08 17:47:53 UTC (rev 29029)
</span><span class="lines">@@ -2642,6 +2642,11 @@
</span><span class="cx"> $attr['height'] = $h;
</span><span class="cx"> }
</span><span class="cx">
</span><ins>+ $thumb_id = get_post_thumbnail_id( $attachment_id );
+ if ( ! empty( $thumb_id ) ) {
+ $attr['poster'] = wp_get_attachment_url( $thumb_id );
+ }
+
</ins><span class="cx"> echo wp_video_shortcode( $attr );
</span><span class="cx">
</span><span class="cx"> endif; ?>
</span></span></pre></div>
<a id="trunksrcwpincludesjsmediaaudiovideojs"></a>
<div class="modfile"><h4>Modified: trunk/src/wp-includes/js/media-audiovideo.js (29028 => 29029)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/src/wp-includes/js/media-audiovideo.js 2014-07-08 17:16:26 UTC (rev 29028)
+++ trunk/src/wp-includes/js/media-audiovideo.js 2014-07-08 17:47:53 UTC (rev 29029)
</span><span class="lines">@@ -692,10 +692,23 @@
</span><span class="cx">
</span><span class="cx"> renderSelectPosterImageToolbar: function() {
</span><span class="cx"> this.setPrimaryButton( l10n.videoSelectPosterImageTitle, function( controller, state ) {
</span><del>- var attachment = state.get( 'selection' ).single();
</del><ins>+ var urls = [], attachment = state.get( 'selection' ).single();
</ins><span class="cx">
</span><span class="cx"> controller.media.set( 'poster', attachment.get( 'url' ) );
</span><span class="cx"> state.trigger( 'set-poster-image', controller.media.toJSON() );
</span><ins>+
+ _.each( wp.media.view.settings.embedExts, function (ext) {
+ if ( controller.media.get( ext ) ) {
+ urls.push( controller.media.get( ext ) );
+ }
+ } );
+
+ wp.ajax.send( 'set-attachment-thumbnail', {
+ data : {
+ urls: urls,
+ thumbnail_id: attachment.get( 'id' )
+ }
+ } );
</ins><span class="cx"> } );
</span><span class="cx"> },
</span><span class="cx">
</span></span></pre></div>
<a id="trunksrcwpincludesmediaphp"></a>
<div class="modfile"><h4>Modified: trunk/src/wp-includes/media.php (29028 => 29029)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/src/wp-includes/media.php 2014-07-08 17:16:26 UTC (rev 29028)
+++ trunk/src/wp-includes/media.php 2014-07-08 17:47:53 UTC (rev 29029)
</span><span class="lines">@@ -3218,3 +3218,28 @@
</span><span class="cx"> }
</span><span class="cx"> }
</span><span class="cx"> }
</span><ins>+
+/**
+ * Try to convert an attachment URL into a post ID.
+ *
+ * @since 4.0.0
+ *
+ * @global wpdb $wpdb WordPress database access abstraction object.
+ * @param string $url The URL to resolve.
+ * @return int The found post_id.
+ */
+function attachment_url_to_postid( $url ) {
+ global $wpdb;
+
+ $dir = wp_upload_dir();
+ $path = ltrim( $url, $dir['baseurl'] . '/' );
+
+ $sql = $wpdb->prepare(
+ "SELECT post_id FROM $wpdb->postmeta WHERE meta_key = '_wp_attached_file' AND meta_value = %s",
+ $path
+ );
+ $post_id = $wpdb->get_var( $sql );
+ if ( ! empty( $post_id ) ) {
+ return (int) $post_id;
+ }
+}
</ins><span class="cx">\ No newline at end of file
</span></span></pre>
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