Current File : /home/emergentqj/antanimora/wp-content/plugins/td-composer/legacy/common/wp_booster/td_audio_support.php
<?php
class td_audio_support {
private static $on_save_post_post_id; // here we keep the post_id when the save_post hook runs. We need the post_id to pass it to the other hook @see on_add_attachment_set_featured_image
// flag to make sure we run the 'on_save_post_get_audio_thumb' save_post hook only once..
// ..this is mainly bacause on gutenberg editor this hook runs twice and triggers a duplicate on audio thumb generation
private static $on_save_post_did_action = false;
/**
* Render an audio on the fornt end from URL
* @param $audioUrl - the audio url that we want to render
*
* @return string - the player HTML
*/
static function render_audio($audioUrl) {
$buffy = '';
switch (self::detect_audio_service($audioUrl)) {
case 'soundcloud':
// request info based on soundcloud url
$soundCloudEmbed = json_decode( substr( file_get_contents('http://soundcloud.com/oembed?format=js&url=' . $audioUrl . '&iframe=true'), 1, -2) );
// get the html for the embed
$soundCloudEmbedHTML = $soundCloudEmbed->html;
// set visual false
$soundCloudEmbedHTML = str_replace('visual=true', 'visual=false', $soundCloudEmbedHTML);
// overwrite height
$soundCloudEmbedHTML = str_replace('height="400"', 'height="120"', $soundCloudEmbedHTML);
// return embed
$buffy .= '<div class="td-audio-player">';
$buffy .= $soundCloudEmbedHTML;
$buffy .= '</div>';
break;
case 'self-hosted':
$buffy .= '<div class="td-audio-player">';
$buffy .= do_shortcode('[audio src="' . $audioUrl . '"]');
$buffy .= '</div>';
break;
}
return $buffy;
}
/**
* Downloads the audio thumb on the save_post hook
* @param $post_id
*
*/
static function on_save_post_get_audio_thumb($post_id) {
// bail if this hook has already run
if( !td_global::get_demo_installing() && self::$on_save_post_did_action ){
return;
}
// if this is the first time this hook runs update the flag to avoid running this again
self::$on_save_post_did_action = true;
//verify post is not a revision
if ( !wp_is_post_revision( $post_id ) ) {
if (
( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) ||
td_util::tdc_is_live_editor_ajax() ||
td_util::tdc_is_live_editor_iframe() ||
'post' !== get_post_type($post_id)
) {
return;
}
// get the current submitted audio url and the last saved post audio url
$td_post_audio = td_util::get_post_meta_array($post_id, 'td_post_audio');
$td_last_set_audio = get_post_meta($post_id, 'td_last_set_audio', true);
// check to see if we have a audio url submitted
if ( empty( $td_post_audio['td_audio'] ) ) {
// if we have a last audio saved
if ( !empty( $td_last_set_audio ) ) {
// if we have an empty audio url field and we have a last audio saved, empty the last audio saved meta..
// ..to avoid cases in which we don't have an featured image set and we use the same audio url the img does not set
update_post_meta( $post_id, 'td_last_set_audio', $td_post_audio['td_audio'] );
}
return;
}
// check to see if the url is valid
if ( self::validate_audio_url( $td_post_audio['td_audio'] ) === false ) {
// we stop here if we do not have a valid audio url
return;
}
// check to see if we have a last saved post audio url and bail if its the same as the submitted audio url
if ( !empty( $td_last_set_audio ) and $td_last_set_audio == $td_post_audio['td_audio'] ) {
return;
}
$audioThumbUrl = self::get_thumb_url( $td_post_audio['td_audio'] );
// its time to setup the thumb
if ( !empty( $audioThumbUrl ) ) {
// save the post id
self::$on_save_post_post_id = $post_id;
// update the last saved post audio url post meta
update_post_meta( $post_id, 'td_last_set_audio', $td_post_audio['td_audio'] );
// add the function above to catch the attachments creation
add_action('add_attachment', array(__CLASS__, 'on_add_attachment_set_featured_image'));
// load the attachment from the URL
media_sideload_image($audioThumbUrl, $post_id, $post_id);
// we have the Image now, and the function above will have fired too setting the thumbnail ID in the process, so lets remove the hook so we don't cause any more trouble
remove_action('add_attachment', array(__CLASS__, 'on_add_attachment_set_featured_image'));
}
}
}
/**
* Set the last uploaded image as a featured image. We 'upload' the audio thumb via the media_sideload_image call from above
* @internal
*/
static function on_add_attachment_set_featured_image($att_id){
update_post_meta(self::$on_save_post_post_id, '_thumbnail_id', $att_id);
}
/**
* Detects if we have a recognized audio service and makes sure that it's a valid url
* @param $audioUrl
* @return bool
*/
private static function validate_audio_url($audioUrl) {
if (self::detect_audio_service($audioUrl) === false) {
return false;
}
if (!preg_match('|^http(s)?://[a-z0-9-]+(.[a-z0-9-]+)*(:[0-9]+)?(/.*)?$|i', $audioUrl)) {
return false;
}
return true;
}
/**
* Returns the audio thumb url from the audio URL
* @param $audioUrl
* @return string
*/
protected static function get_thumb_url($audioUrl) {
switch (self::detect_audio_service($audioUrl)) {
case 'soundcloud':
// request info based on soundcloud url
$soundCloudEmbed = json_decode( substr( file_get_contents('http://soundcloud.com/oembed?format=js&url=' . $audioUrl . '&iframe=true'), 1, -2) );
// return image url
return $soundCloudEmbed->thumbnail_url;
break;
}
return '';
}
/*
* Detect the audio service from url
*/
private static function detect_audio_service($audioUrl) {
$audioUrl = strtolower($audioUrl);
if (strpos($audioUrl, 'soundcloud.com') !== false) {
return 'soundcloud';
}
if( preg_match('(.flac|.aiff|.wav|.m4a|.mid|.au|.mp3|.wma|.oga|.opus|.webm)', $audioUrl) != false ) {
return 'self-hosted';
}
return false;
}
}
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