wcmp.php — Music Player for WooCommerce 1.0.187

music-player-for-woocommerce / wcmp.php

music-player-for-woocommerce Last commit date

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wcmp.php

1701 lines

1	<?php
2	/*
3	Plugin Name: Music Player for WooCommerce
4	Plugin URI: https://wcmp.dwbooster.com
5	Version: 1.0.187
6	Text Domain: music-player-for-woocommerce
7	Author: CodePeople
8	Author URI: https://wcmp.dwbooster.com
9	Description: Music Player for WooCommerce includes the MediaElement.js music player in the pages of the products with audio files associated, and in the store's pages, furthermore, the plugin allows selecting between multiple skins.
10	License: GPLv2 or later
11	License URI: http://www.gnu.org/licenses/gpl-2.0.html
12	*/
13
14	require_once 'banner.php';
15	$codepeople_promote_banner_plugins['codepeople-music-player-for-woocommerce'] = array(
16	'plugin_name' => 'Music Player for WooCommerce',
17	'plugin_url' => 'https://wordpress.org/support/plugin/music-player-for-woocommerce/reviews/#new-post',
18	);
19
20	// Feedback system
21	require_once 'feedback/cp-feedback.php';
22	new WCMP_FEEDBACK( 'music-player-for-woocommerce', __FILE__, 'https://wcmp.dwbooster.com/contact-us' );
23
24	// CONSTANTS
25
26	define( 'WCMP_WEBSITE_URL', get_home_url( get_current_blog_id(), '', is_ssl() ? 'https' : 'http' ) );
27	define( 'WCMP_PLUGIN_URL', plugins_url( '', __FILE__ ) );
28	define( 'WCMP_DEFAULT_PLAYER_LAYOUT', 'mejs-classic' );
29	define( 'WCMP_DEFAULT_PLAYER_VOLUME', 1 );
30	define( 'WCMP_DEFAULT_PLAYER_CONTROLS', 'default' );
31	define( 'WCMP_DEFAULT_PlAYER_TITLE', 1 );
32	define( 'WCMP_REMOTE_TIMEOUT', 120 );
33	define( 'WCMP_VERSION', '1.0.187' );
34
35	// Load widgets
36	require_once 'widgets/playlist_widget.php';
37
38	add_filter( 'option_sbp_settings', array( 'WooCommerceMusicPlayer', 'troubleshoot' ) );
39	if ( ! class_exists( 'WooCommerceMusicPlayer' ) ) {
40	class WooCommerceMusicPlayer {
41
42	// ****************** ATTRIBUTES **********************
43
44	private $_products_attrs = array();
45	private $_global_attrs = array();
46	private $_player_layouts = array( 'mejs-classic', 'mejs-ted', 'mejs-wmp' );
47	private $_player_controls = array( 'button', 'all', 'default' );
48	private $_files_directory_path;
49	private $_files_directory_url;
50	private $_enqueued_resources = false;
51	private $_insert_player = true;
52
53	private $_force_hook_title = 0;
54
55	private $_preload_times = 0; // Multiple preloads with demo generators can affect the server performance
56
57	/**
58	* WCMP constructor
59	*
60	* @access public
61	* @return void
62	*/
63	public function __construct() {
64	$this->_createDir();
65	register_activation_hook( __FILE__, array( &$this, 'activation' ) );
66	register_deactivation_hook( __FILE__, array( &$this, 'deactivation' ) );
67
68	add_action( 'plugins_loaded', array( &$this, 'plugins_loaded' ) );
69	add_action( 'init', array( &$this, 'init' ) );
70	add_action( 'admin_init', array( &$this, 'admin_init' ), 99 );
71	} // End __constructor
72
73	public function activation() {
74	$this->_deleteDir( $this->_files_directory_path );
75	$this->_createDir();
76	}
77
78	public function deactivation() {
79	$this->_deleteDir( $this->_files_directory_path );
80	}
81
82	public function plugins_loaded() {
83	if ( ! class_exists( 'woocommerce' ) ) {
84	return;
85	}
86	load_plugin_textdomain( 'music-player-for-woocommerce', false, basename( dirname( __FILE__ ) ) . '/languages/' );
87
88	add_filter( 'the_title', array( &$this, 'include_main_player_filter' ), 11, 2 );
89	$this->_init_force_in_title();
90	$this->_load_addons();
91
92	// Integration with the content editors
93	require_once dirname( __FILE__ ) . '/pagebuilders/builders.php';
94	WCMP_BUILDERS::run();
95	}
96
97	public function get_product_attr( $product_id, $attr, $default = false ) {
98	if ( ! isset( $this->_products_attrs[ $product_id ] ) ) {
99	$this->_products_attrs[ $product_id ] = array();
100	}
101	if ( ! isset( $this->_products_attrs[ $product_id ][ $attr ] ) ) {
102	if ( metadata_exists( 'post', $product_id, $attr ) ) {
103	$this->_products_attrs[ $product_id ][ $attr ] = get_post_meta( $product_id, $attr, true );
104	} else {
105	$this->_products_attrs[ $product_id ][ $attr ] = $this->get_global_attr( $attr, $default );
106	}
107	}
108	return apply_filters( 'wcmp_product_attr', $this->_products_attrs[ $product_id ][ $attr ], $product_id, $attr );
109
110	} // End get_product_attr
111
112	public function get_global_attr( $attr, $default = false ) {
113	if ( empty( $this->_global_attrs ) ) {
114	$this->_global_attrs = get_option( 'wcmp_global_settings', array() );
115	}
116	if ( ! isset( $this->_global_attrs[ $attr ] ) ) {
117	$this->_global_attrs[ $attr ] = $default;
118	}
119	return apply_filters( 'wcmp_global_attr', $this->_global_attrs[ $attr ], $attr );
120
121	} // End get_global_attr
122
123	// ****************** WordPress ACTIONS ************************
124
125	public function init() {
126	// Check if WooCommerce is installed or not
127	if ( ! class_exists( 'woocommerce' ) ) {
128	add_shortcode(
129	'wcmp-playlist',
130	function( $atts ) {
131	return '';
132	}
133	);
134	return; }
135	$_current_user_id = get_current_user_id();
136	if (
137	$this->get_global_attr( '_wcmp_registered_only', 0 ) &&
138	0 == $_current_user_id
139	) {
140	$this->_insert_player = false;
141	}
142
143	if ( ! is_admin() ) {
144	add_filter( 'wcmp_preload', array( $this, 'preload' ), 10, 2 );
145
146	// Define the shortcode for the playlist_widget
147	add_shortcode( 'wcmp-playlist', array( &$this, 'replace_playlist_shortcode' ) );
148	$this->_preview();
149	if ( isset( $_REQUEST['wcmp-action'] ) && 'play' == $_REQUEST['wcmp-action'] ) {
150	if ( isset( $_REQUEST['wcmp-product'] ) ) {
151	$product_id = @intval( $_REQUEST['wcmp-product'] );
152	if ( ! empty( $product_id ) ) {
153	$product = wc_get_product( $product_id );
154	if ( false !== $product && isset( $_REQUEST['wcmp-file'] ) ) {
155	$files = $this->_get_product_files(
156	array(
157	'product' => $product,
158	'file_id' => sanitize_key( $_REQUEST['wcmp-file'] ),
159	)
160	);
161
162	if ( ! empty( $files ) ) {
163	$file_url = $files[ sanitize_key( $_REQUEST['wcmp-file'] ) ]['file'];
164	$this->_tracking_play_event( $product_id, $file_url );
165	$this->_output_file( array( 'url' => $file_url ) );
166	}
167	}
168	}
169	}
170	exit;
171	} else {
172	// To allow customize the hooks
173	$include_main_player_hook = trim( $this->get_global_attr( '_wcmp_main_player_hook', '' ) );
174	$include_all_players_hook = trim( $this->get_global_attr( '_wcmp_all_players_hook', '' ) );
175
176	if ( empty( $include_main_player_hook ) ) {
177	$include_main_player_hook = 'woocommerce_shop_loop_item_title';
178	}
179	if ( empty( $include_all_players_hook ) ) {
180	$include_all_players_hook = 'woocommerce_single_product_summary';
181	}
182
183	if ( 0 == $this->_force_hook_title ) {
184	add_action( $include_main_player_hook, array( &$this, 'include_main_player' ), 11 );
185	}
186
187	add_action( $include_all_players_hook, array( &$this, 'include_all_players' ), 11 );
188
189	// Allows to call the players directly by themes
190	add_action( 'wcmp_main_player', array( &$this, 'include_main_player' ), 11 );
191	add_action( 'wcmp_all_players', array( &$this, 'include_all_players' ), 11 );
192
193	// Integration with woocommerce-product-table by barn2media
194	add_filter( 'wc_product_table_data_name', array( &$this, 'product_table_data_name' ), 11, 2 );
195
196	$players_in_cart = $this->get_global_attr( '_wcmp_players_in_cart', false );
197	if ( $players_in_cart ) {
198	add_action( 'woocommerce_after_cart_item_name', array( &$this, 'player_in_cart' ), 11, 2 );
199	}
200
201	// Add product id to audio tag
202	add_filter( 'wcmp_audio_tag', array( &$this, 'add_data_product' ), 99, 4 );
203
204	// Add class name to the feature image of product
205	add_filter( 'woocommerce_product_get_image', array( &$this, 'add_class_attachment' ), 99, 6 );
206	add_filter( 'woocommerce_single_product_image_thumbnail_html', array( &$this, 'add_class_single_product_image' ), 99, 2 );
207
208	// Include players with the titles
209	if (
210	$this->get_global_attr( '_wcmp_force_main_player_in_title', 1 ) &&
211	! empty( $_SERVER['REQUEST_URI'] )
212	/*
213	! empty( $_SERVER['REQUEST_URI'] ) &&
214	stripos( esc_url_raw( wp_unslash( $_SERVER['REQUEST_URI'] ) ), 'wc/store' ) !== false */
215	) {
216	add_filter( 'woocommerce_product_title', array( &$this, 'woocommerce_product_title' ), 10, 2 );
217
218	add_filter( 'esc_html', array( &$this, 'esc_html' ), 10, 2 );
219	}
220
221	// For accepting the <source> tags
222	add_filter( 'wp_kses_allowed_html', array( &$this, 'allowed_html_tags' ), 10, 2 );
223	}
224	} else {
225	add_action( 'admin_menu', array( &$this, 'menu_links' ), 10 );
226	}
227
228	} // End init
229
230	public function admin_init() {
231	// Check if WooCommerce is installed or not
232	if ( ! class_exists( 'woocommerce' ) ) {
233	return;
234	}
235
236	add_meta_box( 'wcmp_woocommerce_metabox', __( 'Music Player for WooCommerce', 'music-player-for-woocommerce' ), array( &$this, 'woocommerce_player_settings' ), $this->_get_post_types(), 'normal' );
237	add_action( 'save_post', array( &$this, 'save_post' ), 10, 3 );
238	add_action( 'delete_post', array( &$this, 'delete_post' ) );
239	add_filter( 'plugin_action_links_' . plugin_basename( __FILE__ ), array( &$this, 'help_link' ) );
240	} // End admin_init
241
242	public function help_link( $links ) {
243	array_unshift(
244	$links,
245	'<a href="https://wordpress.org/support/plugin/music-player-for-woocommerce/#new-post" target="_blank">' . __( 'Help' ) . '</a>'
246	);
247	return $links;
248	} // End help_link
249
250	public function menu_links() {
251	add_options_page( 'Music Player for WooCommerce', 'Music Player for WooCommerce', 'manage_options', 'music-player-for-woocommerce-settings', array( &$this, 'settings_page' ) );
252	} // End menu_links
253
254	public function settings_page() {
255	if (
256	isset( $_POST['wcmp_nonce'] ) &&
257	wp_verify_nonce( sanitize_text_field( wp_unslash( $_POST['wcmp_nonce'] ) ), 'wcmp_updating_plugin_settings' )
258	) {
259	$_REQUEST = stripslashes_deep( $_REQUEST );
260	// Save the player settings
261	$registered_only = ( isset( $_REQUEST['_wcmp_registered_only'] ) ) ? 1 : 0;
262	$fade_out = ( isset( $_REQUEST['_wcmp_fade_out'] ) ) ? 1 : 0;
263	$purchased_times_text = sanitize_text_field( isset( $_REQUEST['_wcmp_purchased_times_text'] ) ? wp_unslash( $_REQUEST['_wcmp_purchased_times_text'] ) : '' );
264	$troubleshoot_default_extension = ( isset( $_REQUEST['_wcmp_default_extension'] ) ) ? true : false;
265	$force_main_player_in_title = ( isset( $_REQUEST['_wcmp_force_main_player_in_title'] ) ) ? 1 : 0;
266	$ios_controls = ( isset( $_REQUEST['_wcmp_ios_controls'] ) ) ? true : false;
267	$troubleshoot_onload = ( isset( $_REQUEST['_wcmp_onload'] ) ) ? true : false;
268	$include_main_player_hook = ( isset( $_REQUEST['_wcmp_main_player_hook'] ) ) ? sanitize_text_field( wp_unslash( $_REQUEST['_wcmp_main_player_hook'] ) ) : '';
269	$main_player_hook_title = ( isset( $_REQUEST['_wcmp_main_player_hook_title'] ) ) ? 1 : 0;
270	$include_all_players_hook = ( isset( $_REQUEST['_wcmp_all_players_hook'] ) ) ? sanitize_text_field( wp_unslash( $_REQUEST['_wcmp_all_players_hook'] ) ) : '';
271
272	$enable_player = ( isset( $_REQUEST['_wcmp_enable_player'] ) ) ? 1 : 0;
273	$show_in = ( isset( $_REQUEST['_wcmp_show_in'] ) && in_array( $_REQUEST['_wcmp_show_in'], array( 'single', 'multiple' ) ) ) ? sanitize_text_field( wp_unslash( $_REQUEST['_wcmp_show_in'] ) ) : 'all';
274	$players_in_cart = ( isset( $_REQUEST['_wcmp_players_in_cart'] ) ) ? true : false;
275	$player_style = (
276	isset( $_REQUEST['_wcmp_player_layout'] ) &&
277	in_array( $_REQUEST['_wcmp_player_layout'], $this->_player_layouts )
278	) ? sanitize_text_field( wp_unslash( $_REQUEST['_wcmp_player_layout'] ) ) : WCMP_DEFAULT_PLAYER_LAYOUT;
279	$player_controls = (
280	isset( $_REQUEST['_wcmp_player_controls'] ) &&
281	in_array( $_REQUEST['_wcmp_player_controls'], $this->_player_controls )
282	) ? sanitize_text_field( wp_unslash( $_REQUEST['_wcmp_player_controls'] ) ) : WCMP_DEFAULT_PLAYER_CONTROLS;
283
284	$on_cover = ( ( 'button' == $player_controls \|\| 'default' == $player_controls ) && isset( $_REQUEST['_wcmp_player_on_cover'] ) ) ? 1 : 0;
285
286	$player_title = ( isset( $_REQUEST['_wcmp_player_title'] ) ) ? 1 : 0;
287	$merge_grouped = ( isset( $_REQUEST['_wcmp_merge_in_grouped'] ) ) ? 1 : 0;
288	$play_all = ( isset( $_REQUEST['_wcmp_play_all'] ) ) ? 1 : 0;
289	$play_simultaneously = ( isset( $_REQUEST['_wcmp_play_simultaneously'] ) ) ? 1 : 0;
290	$volume = ( isset( $_REQUEST['_wcmp_player_volume'] ) && is_numeric( $_REQUEST['_wcmp_player_volume'] ) ) ? floatval( $_REQUEST['_wcmp_player_volume'] ) : 1;
291	$preload = (
292	isset( $_REQUEST['_wcmp_preload'] ) &&
293	in_array( $_REQUEST['_wcmp_preload'], array( 'none', 'metadata', 'auto' ) )
294	) ? sanitize_text_field( wp_unslash( $_REQUEST['_wcmp_preload'] ) ) : 'none';
295
296	$apply_to_all_players = ( isset( $_REQUEST['_wcmp_apply_to_all_players'] ) ) ? 1 : 0;
297
298	$global_settings = array(
299	'_wcmp_registered_only' => $registered_only,
300	'_wcmp_fade_out' => $fade_out,
301	'_wcmp_purchased_times_text' => $purchased_times_text,
302	'_wcmp_enable_player' => $enable_player,
303	'_wcmp_show_in' => $show_in,
304	'_wcmp_players_in_cart' => $players_in_cart,
305	'_wcmp_player_layout' => $player_style,
306	'_wcmp_player_volume' => $volume,
307	'_wcmp_player_controls' => $player_controls,
308	'_wcmp_player_title' => $player_title,
309	'_wcmp_merge_in_grouped' => $merge_grouped,
310	'_wcmp_play_all' => $play_all,
311	'_wcmp_play_simultaneously' => $play_simultaneously,
312	'_wcmp_preload' => $preload,
313	'_wcmp_on_cover' => $on_cover,
314	'_wcmp_default_extension' => $troubleshoot_default_extension,
315	'_wcmp_force_main_player_in_title' => $force_main_player_in_title,
316	'_wcmp_ios_controls' => $ios_controls,
317	'_wcmp_onload' => $troubleshoot_onload,
318	'_wcmp_main_player_hook' => $include_main_player_hook,
319	'_wcmp_main_player_hook_title' => $main_player_hook_title,
320	'_wcmp_all_players_hook' => $include_all_players_hook,
321	'_wcmp_analytics_integration' => ( isset( $_REQUEST['_wcmp_analytics_integration'] ) ) ? sanitize_text_field( wp_unslash( $_REQUEST['_wcmp_analytics_integration'] ) ) : 'ua',
322	'_wcmp_analytics_property' => ( isset( $_REQUEST['_wcmp_analytics_property'] ) ) ? sanitize_text_field( wp_unslash( $_REQUEST['_wcmp_analytics_property'] ) ) : '',
323	'_wcmp_analytics_api_secret' => ( isset( $_REQUEST['_wcmp_analytics_api_secret'] ) ) ? sanitize_text_field( wp_unslash( $_REQUEST['_wcmp_analytics_api_secret'] ) ) : '',
324	'_wcmp_apply_to_all_players' => $apply_to_all_players,
325	);
326
327	if ( $apply_to_all_players ) {
328	$this->_deleteDir( $this->_files_directory_path );
329
330	$products_ids = array(
331	'post_type' => $this->_get_post_types(),
332	'numberposts' => -1,
333	'post_status' => array( 'publish', 'pending', 'draft', 'future' ),
334	'fields' => 'ids',
335	'cache_results' => false,
336	);
337
338	$products = get_posts( $products_ids );
339	foreach ( $products as $product_id ) {
340	update_post_meta( $product_id, '_wcmp_enable_player', $enable_player );
341	update_post_meta( $product_id, '_wcmp_show_in', $show_in );
342	update_post_meta( $product_id, '_wcmp_player_layout', $player_style );
343	update_post_meta( $product_id, '_wcmp_player_controls', $player_controls );
344	update_post_meta( $product_id, '_wcmp_player_volume', $volume );
345	update_post_meta( $product_id, '_wcmp_player_title', $player_title );
346	update_post_meta( $product_id, '_wcmp_merge_in_grouped', $merge_grouped );
347	update_post_meta( $product_id, '_wcmp_play_all', $play_all );
348	update_post_meta( $product_id, '_wcmp_preload', $preload );
349	update_post_meta( $product_id, '_wcmp_on_cover', $on_cover );
350	}
351	}
352
353	update_option( 'wcmp_global_settings', $global_settings );
354	$this->_global_attrs = $global_settings;
355	do_action( 'wcmp_save_setting' );
356	} // Save settings
357
358	print '<div class="wrap">'; // Open Wrap
359	include_once dirname( __FILE__ ) . '/views/global_options.php';
360	print '</div>'; // Close Wrap
361	} // End settings_page
362
363	public function save_post( $post_id, $post, $update ) {
364	if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
365	return;
366	}
367	if ( empty( $_POST['wcmp_nonce'] ) \|\| ! wp_verify_nonce( sanitize_text_field( wp_unslash( $_POST['wcmp_nonce'] ) ), 'wcmp_updating_product' ) ) {
368	return;
369	}
370	$post_types = $this->_get_post_types();
371	if ( ! isset( $post ) \|\| ! in_array( $post->post_type, $post_types ) \|\| ! current_user_can( 'edit_post', $post_id ) ) {
372	return;
373	}
374
375	$this->delete_post( $post_id );
376
377	// Save the player options
378	$enable_player = ( isset( $_REQUEST['_wcmp_enable_player'] ) ) ? 1 : 0;
379	$show_in = ( isset( $_REQUEST['_wcmp_show_in'] ) && in_array( $_REQUEST['_wcmp_show_in'], array( 'single', 'multiple' ) ) ) ? sanitize_text_field( wp_unslash( $_REQUEST['_wcmp_show_in'] ) ) : 'all';
380	$player_style = (
381	isset( $_REQUEST['_wcmp_player_layout'] ) &&
382	in_array( $_REQUEST['_wcmp_player_layout'], $this->_player_layouts )
383	) ? sanitize_text_field( wp_unslash( $_REQUEST['_wcmp_player_layout'] ) ) : WCMP_DEFAULT_PLAYER_LAYOUT;
384
385	$player_controls = (
386	isset( $_REQUEST['_wcmp_player_controls'] ) &&
387	in_array( $_REQUEST['_wcmp_player_controls'], $this->_player_controls )
388	) ? sanitize_text_field( wp_unslash( $_REQUEST['_wcmp_player_controls'] ) ) : WCMP_DEFAULT_PLAYER_CONTROLS;
389
390	$player_title = ( isset( $_REQUEST['_wcmp_player_title'] ) ) ? 1 : 0;
391	$merge_grouped = ( isset( $_REQUEST['_wcmp_merge_in_grouped'] ) ) ? 1 : 0;
392	$play_all = ( isset( $_REQUEST['_wcmp_play_all'] ) ) ? 1 : 0;
393	$volume = ( isset( $_REQUEST['_wcmp_player_volume'] ) && is_numeric( $_REQUEST['_wcmp_player_volume'] ) ) ? floatval( $_REQUEST['_wcmp_player_volume'] ) : 1;
394	$preload = (
395	isset( $_REQUEST['_wcmp_preload'] ) &&
396	in_array( $_REQUEST['_wcmp_preload'], array( 'none', 'metadata', 'auto' ) )
397	) ? sanitize_text_field( wp_unslash( $_REQUEST['_wcmp_preload'] ) ) : 'none';
398
399	$on_cover = ( ( 'button' == $player_controls \|\| 'default' == $player_controls ) && isset( $_REQUEST['_wcmp_player_on_cover'] ) ) ? 1 : 0;
400
401	add_post_meta( $post_id, '_wcmp_enable_player', $enable_player, true );
402	add_post_meta( $post_id, '_wcmp_show_in', $show_in, true );
403	add_post_meta( $post_id, '_wcmp_player_layout', $player_style, true );
404	add_post_meta( $post_id, '_wcmp_player_volume', $volume, true );
405	add_post_meta( $post_id, '_wcmp_player_controls', $player_controls, true );
406	add_post_meta( $post_id, '_wcmp_player_title', $player_title, true );
407	add_post_meta( $post_id, '_wcmp_merge_in_grouped', $merge_grouped, true );
408	add_post_meta( $post_id, '_wcmp_preload', $preload, true );
409	add_post_meta( $post_id, '_wcmp_play_all', $play_all, true );
410	add_post_meta( $post_id, '_wcmp_on_cover', $on_cover, true );
411	} // End save_post
412
413	public function delete_post( $post_id ) {
414	$post = get_post( $post_id );
415	$post_types = $this->_get_post_types();
416	if ( ! isset( $post ) \|\| ! in_array( $post->post_type, $post_types ) \|\| ! current_user_can( 'edit_post', $post_id ) ) {
417	return;
418	}
419
420	// Delete truncated version of the audio file
421	$this->_delete_truncated_files( $post_id );
422
423	delete_post_meta( $post_id, '_wcmp_enable_player' );
424	delete_post_meta( $post_id, '_wcmp_show_in' );
425	delete_post_meta( $post_id, '_wcmp_merge_in_grouped' );
426	delete_post_meta( $post_id, '_wcmp_player_layout' );
427	delete_post_meta( $post_id, '_wcmp_player_volume' );
428	delete_post_meta( $post_id, '_wcmp_player_controls' );
429	delete_post_meta( $post_id, '_wcmp_player_title' );
430	delete_post_meta( $post_id, '_wcmp_preload' );
431	delete_post_meta( $post_id, '_wcmp_play_all' );
432	delete_post_meta( $post_id, '_wcmp_on_cover' );
433	} // End delete_post
434
435	public function esc_html( $safe_text, $text ) {
436	if ( strpos( $safe_text, 'wcmp-player-container' ) !== false ) {
437	return $text;
438	}
439	return $safe_text;
440	} // End esc_html
441
442	public function enqueue_resources() {
443	if ( $this->_enqueued_resources ) {
444	return;
445	}
446	$this->_enqueued_resources = true;
447
448	if ( function_exists( 'wp_add_inline_script' ) ) {
449	wp_add_inline_script( 'wp-mediaelement', 'try{if(mejs && mejs.i18n && "undefined" == typeof mejs.i18n.locale) mejs.i18n.locale={};}catch(mejs_err){if(console) console.log(mejs_err);};' );
450	}
451
452	// Registering resources
453	wp_enqueue_style( 'wp-mediaelement' );
454	wp_enqueue_style( 'wp-mediaelement-skins', plugin_dir_url( __FILE__ ) . 'vendors/mejs-skins/mejs-skins.min.css', array(), WCMP_VERSION );
455	wp_enqueue_style( 'wcmp-style', plugin_dir_url( __FILE__ ) . 'css/style.css', array(), WCMP_VERSION );
456	wp_enqueue_script( 'jquery' );
457	wp_enqueue_script( 'wp-mediaelement' );
458	wp_enqueue_script( 'wcmp-script', plugin_dir_url( __FILE__ ) . 'js/public.js', array( 'jquery', 'wp-mediaelement' ), WCMP_VERSION );
459
460	$play_all = $GLOBALS['WooCommerceMusicPlayer']->get_global_attr(
461	'_wcmp_play_all',
462	// This option is only for compatibility with versions previous to 1.0.28
463	$GLOBALS['WooCommerceMusicPlayer']->get_global_attr( 'play_all', 0 )
464	);
465
466	$play_simultaneously = $GLOBALS['WooCommerceMusicPlayer']->get_global_attr( '_wcmp_play_simultaneously', 0 );
467
468	if ( function_exists( 'is_product' ) && is_product() ) {
469	global $post;
470	$post_types = $this->_get_post_types();
471	if ( ! empty( $post ) && in_array( $post->post_type, $post_types ) ) {
472	$play_all = $GLOBALS['WooCommerceMusicPlayer']->get_product_attr(
473	$post->ID,
474	'_wcmp_play_all',
475	// This option is only for compatibility with versions previous to 1.0.28
476	$GLOBALS['WooCommerceMusicPlayer']->get_product_attr(
477	$post->ID,
478	'play_all',
479	$play_all
480	)
481	);
482	}
483	}
484
485	wp_localize_script(
486	'wcmp-script',
487	'wcmp_global_settings',
488	array(
489	'fade_out' => $GLOBALS['WooCommerceMusicPlayer']->get_global_attr( '_wcmp_fade_out', 1 ),
490	'play_all' => intval( $play_all ),
491	'play_simultaneously' => intval( $play_simultaneously ),
492	'ios_controls' => $GLOBALS['WooCommerceMusicPlayer']->get_global_attr( '_wcmp_ios_controls', false ),
493	'onload' => $GLOBALS['WooCommerceMusicPlayer']->get_global_attr( '_wcmp_onload', false ),
494	)
495	);
496	} // End enqueue_resources
497
498	/**
499	* Replace the shortcode to display a playlist with all songs.
500	*/
501	public function replace_playlist_shortcode( $atts ) {
502	if ( ! class_exists( 'woocommerce' ) ) {
503	return '';
504	}
505
506	$get_times = function( $product_id, $products_list ) {
507	if ( ! empty( $products_list ) ) {
508	foreach ( $products_list as $product ) {
509	if ( $product->product_id == $product_id ) {
510	return $product->times;
511	}
512	}
513	}
514	return 0;
515	};
516
517	global $post;
518
519	$output = '';
520	if ( ! $this->_insert_player ) {
521	return $output;
522	}
523
524	if ( ! is_array( $atts ) ) {
525	$atts = array();
526	}
527	$post_types = $this->_get_post_types();
528	if (
529	empty( $atts['products_ids'] ) &&
530	empty( $atts['purchased_products'] ) &&
531	! empty( $post ) &&
532	in_array( $post->post_type, $post_types )
533	) {
534	try {
535	ob_start();
536	$this->include_all_players( $post->ID );
537	$output = ob_get_contents();
538	ob_end_clean();
539
540	$class = esc_attr( isset( $atts['class'] ) ? $atts['class'] : '' );
541
542	return strpos( $output, 'wcmp-player-list' ) !== false ?
543	str_replace( 'wcmp-player-list', $class . ' wcmp-player-list', $output ) :
544	str_replace( 'wcmp-player-container', $class . ' wcmp-player-container', $output );
545	} catch ( Exception $err ) {
546	$atts['products_ids'] = $post->ID;
547	}
548	}
549
550	$atts = shortcode_atts(
551	array(
552	'products_ids' => '*',
553	'purchased_products' => 0,
554	'highlight_current_product' => 0,
555	'continue_playing' => 0,
556	'player_style' => WCMP_DEFAULT_PLAYER_LAYOUT,
557	'controls' => 'track',
558	'layout' => 'new',
559	'cover' => 0,
560	'volume' => 1,
561	'hide_purchase_buttons' => 0,
562	'class' => '',
563	'loop' => 0,
564	'purchased_times' => 0,
565	),
566	$atts
567	);
568
569	$products_ids = $atts['products_ids'];
570	$purchased_products = $atts['purchased_products'];
571	$highlight_current_product = $atts['highlight_current_product'];
572	$continue_playing = $atts['continue_playing'];
573	$player_style = $atts['player_style'];
574	$controls = $atts['controls'];
575	$layout = $atts['layout'];
576	$cover = $atts['cover'];
577	$volume = $atts['volume'];
578	$hide_purchase_buttons = $atts['hide_purchase_buttons'];
579	$class = $atts['class'];
580	$loop = $atts['loop'];
581	$purchased_times = $atts['purchased_times'];
582
583	// Typecasting variables.
584	$cover = is_numeric( $cover ) ? intval( $cover ) : 0;
585	$volume = is_numeric( $volume ) ? floatval( $volume ) : 0;
586	$purchased_products = is_numeric( $purchased_products ) ? intval( $purchased_products ) : 0;
587	$highlight_current_product = is_numeric( $highlight_current_product ) ? intval( $highlight_current_product ) : 0;
588	$continue_playing = is_numeric( $continue_playing ) ? intval( $continue_playing ) : 0;
589	$hide_purchase_buttons = is_numeric( $hide_purchase_buttons ) ? intval( $hide_purchase_buttons ) : 0;
590	$loop = is_numeric( $loop ) ? intval( $loop ) : 0;
591	$purchased_times = is_numeric( $purchased_times ) ? intval( $purchased_times ) : 0;
592
593	// get the produts ids
594	$products_ids = preg_replace( '/[^\d\,\*]/', '', $products_ids );
595	$products_ids = preg_replace( '/(\,\,)+/', '', $products_ids );
596	$products_ids = trim( $products_ids, ',' );
597
598	if ( strlen( $products_ids ) == 0 ) {
599	return $output;
600	}
601
602	// MAIN CODE GOES HERE
603	global $wpdb, $post;
604
605	$current_post_id = ! empty( $post ) ? ( is_int( $post ) ? $post : $post->ID ) : -1;
606
607	$query = 'SELECT posts.ID FROM ' . $wpdb->posts . ' AS posts, ' . $wpdb->postmeta . ' as postmeta WHERE posts.post_status="publish" AND posts.post_type IN (' . $this->_get_post_types( true ) . ') AND posts.ID = postmeta.post_id AND postmeta.meta_key="_wcmp_enable_player" AND (postmeta.meta_value="yes" OR postmeta.meta_value="1")';
608
609	if ( ! empty( $purchased_products ) ) {
610	// Hide the purchase buttons
611	$hide_purchase_buttons = 1;
612
613	// Getting the list of purchased products
614	$_current_user_id = get_current_user_id();
615	if ( 0 == $_current_user_id ) {
616	return $output;
617	}
618
619	// GET USER ORDERS (COMPLETED + PROCESSING)
620	$customer_orders = get_posts(
621	array(
622	'numberposts' => -1,
623	'meta_key' => '_customer_user',
624	'meta_value' => $_current_user_id,
625	'post_type' => wc_get_order_types(),
626	'post_status' => array_keys( wc_get_is_paid_statuses() ),
627	)
628	);
629
630	if ( empty( $customer_orders ) ) {
631	return $output;
632	}
633
634	// LOOP THROUGH ORDERS AND GET PRODUCT IDS
635	$products_ids = array();
636
637	foreach ( $customer_orders as $customer_order ) {
638	$order = wc_get_order( $customer_order->ID );
639	$items = $order->get_items();
640	foreach ( $items as $item ) {
641	$product_id = $item->get_product_id();
642	$products_ids[] = $product_id;
643	}
644	}
645	$products_ids = array_unique( $products_ids );
646	$products_ids_str = implode( ',', $products_ids );
647
648	$query .= ' AND posts.ID IN (' . $products_ids_str . ')';
649	$query .= ' ORDER BY FIELD(posts.ID,' . $products_ids_str . ')';
650	} else {
651	if ( strpos( '*', $products_ids ) === false ) {
652	$query .= ' AND posts.ID IN (' . $products_ids . ')';
653	$query .= ' ORDER BY FIELD(posts.ID,' . $products_ids . ')';
654	} else {
655	$query .= ' ORDER BY posts.post_title ASC';
656	}
657	}
658
659	$products = $wpdb->get_results( $query ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared
660
661	if ( ! empty( $products ) ) {
662	$product_purchased_times = array();
663	if ( $purchased_times ) {
664	$products_ids_str = ( is_array( $products_ids ) ) ? implode( ',', $products_ids ) : $products_ids;
665
666	$product_purchased_times = $wpdb->get_results( 'SELECT order_itemmeta.meta_value product_id, COUNT(order_itemmeta.meta_value) as times FROM ' . $wpdb->prefix . 'posts as orders INNER JOIN ' . $wpdb->prefix . 'woocommerce_order_items as order_items ON (orders.ID=order_items.order_id) INNER JOIN ' . $wpdb->prefix . 'woocommerce_order_itemmeta as order_itemmeta ON (order_items.order_item_id=order_itemmeta.order_item_id) WHERE orders.post_type="shop_order" AND orders.post_status="wc-completed" AND order_itemmeta.meta_key="_product_id" ' . ( strlen( $products_ids_str ) && false === strpos( '*', $products_ids_str ) ? ' AND order_itemmeta.meta_value IN (' . $products_ids_str . ')' : '' ) . ' GROUP BY order_itemmeta.meta_value' ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared
667	}
668
669	// Enqueue resources
670
671	$this->enqueue_resources();
672	wp_enqueue_style( 'wcmp-playlist-widget-style', plugin_dir_url( __FILE__ ) . 'widgets/playlist_widget/css/style.css', array(), WCMP_VERSION );
673	wp_enqueue_script( 'wcmp-playlist-widget-script', plugin_dir_url( __FILE__ ) . 'widgets/playlist_widget/js/public.js', array(), WCMP_VERSION );
674	wp_localize_script(
675	'wcmp-playlist-widget-script',
676	'wcmp_widget_settings',
677	array( 'continue_playing' => $continue_playing )
678	);
679	$counter = 0;
680	$output .= '<div data-loop="' . ( $loop ? 1 : 0 ) . '">';
681	foreach ( $products as $product ) {
682	$product_obj = wc_get_product( $product->ID );
683	$counter++;
684	$preload = $this->get_product_attr( $product->ID, '_wcmp_preload', '' );
685	$row_class = 'wcmp-even-product';
686	if ( 1 == $counter % 2 ) {
687	$row_class = 'wcmp-odd-product';
688	}
689
690	$audio_files = $this->get_product_files( $product->ID );
691	if ( ! is_array( $audio_files ) ) {
692	continue;
693	}
694
695	if ( $cover ) {
696	$featured_image = get_the_post_thumbnail_url( $product->ID );
697	}
698
699	if ( 'new' == $layout ) {
700	$price = $product_obj->get_price();
701	$output .= '
702	<div class="wcmp-widget-product controls-' . esc_attr( $controls ) . ' ' . esc_attr( $class ) . ' ' . esc_attr( $row_class ) . ' ' . esc_attr( ( $product->ID == $current_post_id && $highlight_current_product ) ? 'wcmp-current-product' : '' ) . '">
703	<div class="wcmp-widget-product-header">
704	<div class="wcmp-widget-product-title">
705	<a href="' . esc_url( get_permalink( $product->ID ) ) . '">' . $product_obj->get_name() . '</a>' .
706	(
707	$purchased_times ?
708	'<span class="wcmp-purchased-times">' .
709	sprintf(
710	/* translators: %d: purchased times */
711	__( $this->get_global_attr( '_wcmp_purchased_times_text', '- purchased %d time(s)' ), 'music-player-for-woocommerce' ), // phpcs:ignore WordPress.WP.I18n.NonSingularStringLiteralText
712	$get_times( $product->ID, $product_purchased_times )
713	) . '</span>' : ''
714	) .
715	'</div><!-- product title -->
716	';
717	if ( 0 != @floatval( $price ) && 0 == $hide_purchase_buttons ) {
718	$output .= '<div class="wcmp-widget-product-purchase">
719	' . wc_price( $product_obj->get_price(), '' ) . ' <a href="?add-to-cart=' . $product->ID . '"></a>
720	</div><!-- product purchase -->
721	';
722	}
723	$output .= '</div>
724	<div class="wcmp-widget-product-files">
725	';
726
727	if ( ! empty( $featured_image ) ) {
728	$output .= '<img src="' . esc_attr( $featured_image ) . '" class="wcmp-widget-feature-image" /><div class="wcmp-widget-product-files-list">';
729	}
730
731	foreach ( $audio_files as $index => $file ) {
732	$audio_url = $this->generate_audio_url( $product->ID, $index, $file );
733	$duration = $this->_get_duration_by_url( $file['file'] );
734	$audio_tag = apply_filters(
735	'wcmp_widget_audio_tag',
736	$this->get_player(
737	$audio_url,
738	array(
739	'player_controls' => $controls,
740	'player_style' => $player_style,
741	'media_type' => $file['media_type'],
742	'id' => $index,
743	'duration' => $duration,
744	'preload' => $preload,
745	'volume' => $volume,
746	)
747	),
748	$product->ID,
749	$index,
750	$audio_url
751	);
752	$file_title = esc_html( apply_filters( 'wcmp_widget_file_name', $file['name'], $product->ID, $index ) );
753	$output .= '
754	<div class="wcmp-widget-product-file">
755	' . $audio_tag . '' . $file_title . '<div style="clear:both;"></div>
756	</div><!--product file -->
757	';
758	}
759
760	if ( ! empty( $featured_image ) ) {
761	$output .= '</div>';
762	}
763
764	$output .= '
765	</div><!-- product-files -->
766	</div><!-- product -->
767	';
768	} else // Load the previous playlist layout
769	{
770	$output .= '<ul class="wcmp-widget-playlist controls-' . esc_attr( $controls ) . ' ' . esc_attr( $class ) . ' ' . esc_attr( $row_class ) . ' ' . esc_attr( ( $product->ID == $current_post_id && $highlight_current_product ) ? 'wcmp-current-product' : '' ) . '">';
771
772	if ( ! empty( $featured_image ) ) {
773	$output .= '<li style="display:table-row;"><img src="' . esc_attr( $featured_image ) . '" class="wcmp-widget-feature-image" /><div class="wcmp-widget-product-files-list"><ul>';
774	}
775
776	foreach ( $audio_files as $index => $file ) {
777	$audio_url = $this->generate_audio_url( $product->ID, $index, $file );
778	$duration = $this->_get_duration_by_url( $file['file'] );
779	$audio_tag = apply_filters(
780	'wcmp_widget_audio_tag',
781	$this->get_player(
782	$audio_url,
783	array(
784	'player_controls' => $controls,
785	'player_style' => $player_style,
786	'media_type' => $file['media_type'],
787	'id' => $index,
788	'duration' => $duration,
789	'preload' => $preload,
790	'volume' => $volume,
791	)
792	),
793	$product->ID,
794	$index,
795	$audio_url
796	);
797	$file_title = esc_html( apply_filters( 'wcmp_widget_file_name', ( ( ! empty( $file['name'] ) ) ? $file['name'] : $product->post_title ), $product->ID, $index ) );
798
799	$output .= '<li class="wcmp-widget-playlist-item">' . $audio_tag . '<a href="' . esc_url( get_permalink( $product->ID ) ) . '">' . $file_title . '</a>' .
800	(
801	$purchased_times ?
802	'<span class="wcmp-purchased-times">' .
803	sprintf(
804	/* translators: %d: purchased times */
805	__( $this->get_global_attr( '_wcmp_purchased_times_text', '- purchased %d time(s)' ), 'music-player-for-woocommerce' ), // phpcs:ignore WordPress.WP.I18n.NonSingularStringLiteralText
806	$get_times( $product->ID, $product_purchased_times )
807	) . '</span>' : ''
808	)
809	. '<div style="clear:both;"/></li>';
810	}
811	if ( ! empty( $featured_image ) ) {
812	$output .= '</ul></div></li>';
813	}
814	$output .= '</ul>';
815	}
816	}
817	$output .= '</div>';
818	}
819	return $output;
820	} // End replace_playlist_shortcode
821
822	/**
823	* Used for accepting the <source> tags
824	*/
825	public function allowed_html_tags( $allowedposttags, $context ) {
826	if ( ! in_array( 'source', $allowedposttags ) ) {
827	$allowedposttags['source'] = array(
828	'src' => true,
829	'type' => true,
830	);
831	}
832	return $allowedposttags;
833	} // End allowed_html_tags
834
835	public function preload( $preload, $audio_url ) {
836	$result = $preload;
837	if ( strpos( $audio_url, 'wcmp-action=play' ) !== false ) {
838	if ( $this->_preload_times ) {
839	$result = 'none';
840	}
841	$this->_preload_times++;
842	}
843	return $result;
844	} // End preload
845
846	// ****************** WOOCOMMERCE ACTIONS **********************
847
848	public function woocommerce_product_title( $title, $product ) {
849	global $wp;
850	if ( ! empty( $wp->query_vars['wcfm-products-manage'] )) {
851	return $title;
852	}
853	$player = '';
854	ob_start();
855	$this->include_main_player( $product );
856	$player .= ob_get_contents();
857	ob_end_clean();
858	return $player . $title;
859	} // End woocommerce_product_title
860
861	/**
862	* Load the additional attributes to select the player layout
863	*/
864	public function woocommerce_player_settings() {
865	include_once 'views/player_options.php';
866	} // End woocommerce_player_settings
867
868	public function get_player(
869	$audio_url,
870	$args = array()
871	) {
872	$default_args = array(
873	'media_type' => 'mp3',
874	'player_style' => WCMP_DEFAULT_PLAYER_LAYOUT,
875	'player_controls' => WCMP_DEFAULT_PLAYER_CONTROLS,
876	'duration' => false,
877	'volume' => 1,
878	);
879
880	$args = array_merge( $default_args, $args );
881	$id = ( ! empty( $args['id'] ) ) ? 'id="' . esc_attr( $args['id'] ) . '"' : '';
882
883	$preload = ( ! empty( $args['preload'] ) ) ? $args['preload'] : $GLOBALS['WooCommerceMusicPlayer']->get_global_attr(
884	'_wcmp_preload',
885	// This option is only for compatibility with versions previous to 1.0.28
886	$GLOBALS['WooCommerceMusicPlayer']->get_global_attr( 'preload', 'none' )
887	);
888	$preload = apply_filters( 'wcmp_preload', $preload, $audio_url );
889
890	return '<audio ' . (
891	(
892	isset( $args['volume'] ) &&
893	is_numeric( $args['volume'] ) &&
894	0 <= $args['volume'] * 1 &&
895	$args['volume'] * 1 <= 1
896	) ? 'volume="' . esc_attr( $args['volume'] ) . '"' : ''
897	) . ' ' . $id . ' preload="none" data-lazyloading="' . esc_attr( $preload ) . '" class="wcmp-player ' . esc_attr( $args['player_controls'] ) . ' ' . esc_attr( $args['player_style'] ) . '" ' . ( ( ! empty( $args['duration'] ) ) ? 'data-duration="' . esc_attr( $args['duration'] ) . '"' : '' ) . '><source src="' . esc_url( $audio_url ) . '" type="audio/' . esc_attr( $args['media_type'] ) . '" /></audio>';
898
899	} // End get_player
900
901	public function get_product_files( $id ) {
902	$product = wc_get_product( $id );
903	if ( ! empty( $product ) ) {
904	return $this->_get_product_files(
905	array(
906	'product' => $product,
907	'all' => 1,
908	)
909	);
910	}
911	return array();
912	}
913
914	public function generate_audio_url( $product_id, $file_id, $file_data = array() ) {
915	return $this->_generate_audio_url( $product_id, $file_id, $file_data );
916	}
917
918	public function include_main_player_filter( $value, $id ) {
919	global $wp;
920	if ( $this->_force_hook_title ) {
921	try {
922	if (
923	( wp_doing_ajax() \|\| ! is_admin() ) &&
924	(
925	! function_exists( 'is_product' ) \|\|
926	! is_product() \|\|
927	( is_product() && get_queried_object_id() != $id )
928	) &&
929	! is_cart() &&
930	! is_page( 'cart' ) &&
931	! is_checkout() &&
932	is_int( $id ) &&
933	empty( $_REQUEST['wcmp_nonce'] ) &&
934	empty( $wp->query_vars['wcfm-products-manage'] )
935	) {
936	$p = wc_get_product( $id );
937	if ( ! empty( $p ) ) {
938	add_filter( 'esc_html', array( &$this, 'esc_html' ), 10, 2 );
939
940	$player = '';
941	ob_start();
942	$this->include_main_player( $p );
943	$player = ob_get_contents();
944	ob_end_clean();
945	$value = $player . $value;
946	}
947	}
948	} catch ( Exception $err ) {
949	error_log( $err->getMessage() );
950	}
951	}
952	return $value;
953	}
954
955	public function include_main_player( $product = '', $_echo = true ) {
956	$output = '';
957	if ( ! $this->_insert_player ) {
958	return $output;
959	}
960	if ( is_numeric( $product ) ) {
961	$product = wc_get_product( $product );
962	}
963	if ( ! is_object( $product ) ) {
964	$product = wc_get_product();
965	}
966	$files = $this->_get_product_files(
967	array(
968	'product' => $product,
969	'first' => true,
970	)
971	);
972	if ( ! empty( $files ) ) {
973	$id = $product->get_id();
974
975	$show_in = $this->get_product_attr( $id, '_wcmp_show_in', 'all' );
976	if (
977	( 'single' == $show_in && ( ! function_exists( 'is_product' ) \|\| ! is_product() ) ) \|\|
978	( 'multiple' == $show_in && ( function_exists( 'is_product' ) && is_product() ) && get_queried_object_id() == $id )
979	) {
980	return $output;
981	}
982	$preload = $this->get_product_attr( $id, '_wcmp_preload', '' );
983	$this->enqueue_resources();
984
985	$player_style = $this->get_product_attr( $id, '_wcmp_player_layout', WCMP_DEFAULT_PLAYER_LAYOUT );
986	$player_controls = ( $this->get_product_attr( $id, '_wcmp_player_controls', WCMP_DEFAULT_PLAYER_CONTROLS ) != 'all' ) ? 'track' : '';
987	$volume = @floatval( $this->get_product_attr( $id, '_wcmp_player_volume', WCMP_DEFAULT_PLAYER_VOLUME ) );
988
989	$file = reset( $files );
990	$index = key( $files );
991	$audio_url = $this->_generate_audio_url( $id, $index, $file );
992	$duration = $this->_get_duration_by_url( $file['file'] );
993	$audio_tag = apply_filters(
994	'wcmp_audio_tag',
995	$this->get_player(
996	$audio_url,
997	array(
998	'player_controls' => $player_controls,
999	'player_style' => $player_style,
1000	'media_type' => $file['media_type'],
1001	'duration' => $duration,
1002	'preload' => $preload,
1003	'volume' => $volume,
1004	)
1005	),
1006	$id,
1007	$index,
1008	$audio_url
1009	);
1010
1011	do_action( 'wcmp_before_player_shop_page', $id );
1012
1013	$output = '<div class="wcmp-player-container product-' . esc_attr( $file['product'] ) . '">' . $audio_tag . '</div>';
1014	if ( $_echo ) {
1015	print $output; // phpcs:ignore WordPress.Security.EscapeOutput
1016	}
1017
1018	do_action( 'wcmp_after_player_shop_page', $id );
1019
1020	return $output; // phpcs:ignore WordPress.Security.EscapeOutput
1021	}
1022	} // End include_main_player
1023
1024	public function include_all_players( $product = '' ) {
1025	if ( ! $this->_insert_player ) {
1026	return;
1027	}
1028	if ( ! is_object( $product ) ) {
1029	$product = wc_get_product();
1030	}
1031	$files = $this->_get_product_files(
1032	array(
1033	'product' => $product,
1034	'all' => true,
1035	)
1036	);
1037	if ( ! empty( $files ) ) {
1038	$id = $product->get_id();
1039
1040	$show_in = $this->get_product_attr( $id, '_wcmp_show_in', 'all' );
1041	if (
1042	( 'single' == $show_in && ! is_singular() ) \|\|
1043	( 'multiple' == $show_in && is_singular() )
1044	) {
1045	return;
1046	}
1047	$preload = $this->get_product_attr( $id, '_wcmp_preload', '' );
1048	$this->enqueue_resources();
1049	$player_style = $this->get_product_attr( $id, '_wcmp_player_layout', WCMP_DEFAULT_PLAYER_LAYOUT );
1050	$volume = @floatval( $this->get_product_attr( $id, '_wcmp_player_volume', WCMP_DEFAULT_PLAYER_VOLUME ) );
1051	$player_controls = $this->get_product_attr( $id, '_wcmp_player_controls', WCMP_DEFAULT_PLAYER_CONTROLS );
1052	$player_title = intval( $this->get_product_attr( $id, '_wcmp_player_title', WCMP_DEFAULT_PlAYER_TITLE ) );
1053	$merge_grouped = intval( $this->get_product_attr( $id, '_wcmp_merge_in_grouped', 0 ) );
1054	$merge_grouped_clss = ( $merge_grouped ) ? 'merge_in_grouped_products' : '';
1055
1056	$counter = count( $files );
1057
1058	do_action( 'wcmp_before_players_product_page', $id );
1059	if ( 1 == $counter ) {
1060	$player_controls = ( 'button' == $player_controls ) ? 'track' : '';
1061	$file = reset( $files );
1062	$index = key( $files );
1063	$audio_url = $this->_generate_audio_url( $id, $index, $file );
1064	$duration = $this->_get_duration_by_url( $file['file'] );
1065	$audio_tag = apply_filters(
1066	'wcmp_audio_tag',
1067	$this->get_player(
1068	$audio_url,
1069	array(
1070	'player_controls' => $player_controls,
1071	'player_style' => $player_style,
1072	'media_type' => $file['media_type'],
1073	'duration' => $duration,
1074	'preload' => $preload,
1075	'volume' => $volume,
1076	)
1077	),
1078	$id,
1079	$index,
1080	$audio_url
1081	);
1082	$title = esc_html( ( $player_title ) ? apply_filters( 'wcmp_file_name', $file['name'], $id, $index ) : '' );
1083	print '<div class="wcmp-player-container ' . esc_attr( $merge_grouped_clss ) . ' product-' . esc_attr( $file['product'] ) . '">' . $audio_tag . '</div><div class="wcmp-player-title">' . wp_kses_post( $title ) . '</div><div style="clear:both;"></div>'; // phpcs:ignore WordPress.Security.EscapeOutput
1084	} elseif ( $counter > 1 ) {
1085	$before = '<table class="wcmp-player-list ' . $merge_grouped_clss . '">';
1086	$after = '';
1087	foreach ( $files as $index => $file ) {
1088	$evenOdd = ( 1 == $counter % 2 ) ? 'wcmp-odd-row' : 'wcmp-even-row';
1089	$counter--;
1090	$audio_url = $this->_generate_audio_url( $id, $index, $file );
1091	$duration = $this->_get_duration_by_url( $file['file'] );
1092	$audio_tag = apply_filters(
1093	'wcmp_audio_tag',
1094	$this->get_player(
1095	$audio_url,
1096	array(
1097	'player_style' => $player_style,
1098	'player_controls' => ( 'all' != $player_controls ) ? 'track' : '',
1099	'media_type' => $file['media_type'],
1100	'duration' => $duration,
1101	'preload' => $preload,
1102	'volume' => $volume,
1103	)
1104	),
1105	$id,
1106	$index,
1107	$audio_url
1108	);
1109	$title = esc_html( ( $player_title ) ? apply_filters( 'wcmp_file_name', $file['name'], $id, $index ) : '' );
1110
1111	print $before; // phpcs:ignore WordPress.Security.EscapeOutput
1112	$before = '';
1113	$after = '</table>';
1114	if ( 'all' != $player_controls ) {
1115	print '<tr class="' . esc_attr( $evenOdd ) . ' product-' . esc_attr( $file['product'] ) . '"><td class="wcmp-player-container wcmp-column-player-' . esc_attr( $player_style ) . '">' . $audio_tag . '</td><td class="wcmp-player-title wcmp-column-player-title">' . wp_kses_post( $title ) . '</td></tr>'; // phpcs:ignore WordPress.Security.EscapeOutput
1116	} else {
1117	print '<tr class="' . esc_attr( $evenOdd ) . ' product-' . esc_attr( $file['product'] ) . '"><td><div class="wcmp-player-container">' . $audio_tag . '</div><div class="wcmp-player-title wcmp-column-player-title">' . wp_kses_post( $title ) . '</div></td></tr>'; // phpcs:ignore WordPress.Security.EscapeOutput
1118	}
1119	}
1120	print $after; // phpcs:ignore WordPress.Security.EscapeOutput
1121	}
1122	do_action( 'wcmp_after_players_product_page', $id );
1123	}
1124	} // End include_all_players
1125
1126	public function player_in_cart( $cart_item, $cart_item_key ) {
1127	$product = wc_get_product( $cart_item['product_id'] );
1128	$this->include_all_players( $product );
1129	} // player_in_cart
1130
1131	// Integration with woocommerce-product-table by barn2media
1132	public function product_table_data_name( $name, $product ) {
1133	ob_start();
1134	$this->include_main_player( $product );
1135	$player = ob_get_contents();
1136	ob_end_clean();
1137	$player = str_replace( '<div ', '<div style="display:inline-block" ', $player );
1138	return $player . $name;
1139	} // product_table_data_name
1140
1141	public function add_data_product( $player, $product_id, $index, $url ) {
1142	$player = preg_replace( '/<audio\b/i', '<audio controlslist="nodownload" data-product="' . esc_attr( $product_id ) . '" ', $player );
1143	return $player;
1144	} // End add_data_product
1145
1146	public function add_class_attachment( $html, $product, $size, $attr, $placeholder, $image ) {
1147	$id = $product->get_id();
1148	$html = $this->_add_class( $html, $product );
1149	return $html;
1150	} // End add_class_attachment
1151
1152	public function add_class_single_product_image( $html, $post_thumbnail_id ) {
1153	global $product;
1154
1155	if ( ! empty( $product ) ) {
1156	$html = $this->_add_class( $html, $product );
1157	}
1158	return $html;
1159	} // add_class_single_product_image
1160
1161	// ****************** PRIVATE METHODS **********************
1162
1163	private function _init_force_in_title() {
1164	$this->_force_hook_title = $this->get_global_attr( '_wcmp_main_player_hook_title', 1 );
1165
1166	// Integration with "WOOF – Products Filter for WooCommerce" by realmag777
1167	if ( isset( $_REQUEST['action'] ) && 'woof_draw_products' == $_REQUEST['action'] ) {
1168	$this->_force_hook_title = 1;
1169	}
1170
1171	} // End _init_force_in_title
1172
1173	private function _get_post_types( $mysql_in = false ) {
1174	$post_types = array( 'product' );
1175	if ( ! empty( $GLOBALS['wcmp_post_types'] ) && is_array( $GLOBALS['wcmp_post_types'] ) ) {
1176	$post_types = $GLOBALS['wcmp_post_types'];
1177	}
1178	if ( $mysql_in ) {
1179	return '"' . implode( '","', $post_types ) . '"';
1180	}
1181	return $post_types;
1182	} // End _get_post_types
1183
1184	private function _load_addons() {
1185	$path = __DIR__ . '/addons';
1186	$wcmp = $this;
1187
1188	if ( file_exists( $path ) ) {
1189	$addons = dir( $path );
1190	while ( false !== ( $entry = $addons->read() ) ) {
1191	if ( strlen( $entry ) > 3 && strtolower( pathinfo( $entry, PATHINFO_EXTENSION ) ) == 'php' ) {
1192	include_once $addons->path . '/' . $entry;
1193	}
1194	}
1195	}
1196	} // End _load_addons
1197
1198	private function _preview() {
1199	$user = wp_get_current_user();
1200	$allowed_roles = array( 'editor', 'administrator', 'author' );
1201
1202	if ( array_intersect( $allowed_roles, $user->roles ) ) {
1203	if ( ! empty( $_REQUEST['wcmp-preview'] ) ) {
1204	// Sanitizing variable
1205	$preview = sanitize_text_field( wp_unslash( $_REQUEST['wcmp-preview'] ) );
1206
1207	// Remove every shortcode that is not in the plugin
1208	remove_all_shortcodes();
1209	add_shortcode( 'wcmp-playlist', array( &$this, 'replace_playlist_shortcode' ) );
1210
1211	if ( has_shortcode( $preview, 'wcmp-playlist' ) ) {
1212	print '<!DOCTYPE html>';
1213	$if_empty = __( 'There are no products that satisfy the block\'s settings', 'music-player-for-woocommerce' );
1214	wp_enqueue_script( 'jquery' );
1215	$output = do_shortcode( $preview );
1216	if ( preg_match( '/^\s*$/', $output ) ) {
1217	$output = '<div>' . $if_empty . '</div>';
1218	}
1219
1220	// Deregister all scripts and styles for loading only the plugin styles.
1221	global $wp_styles, $wp_scripts;
1222	if ( ! empty( $wp_scripts ) ) {
1223	$wp_scripts->reset();
1224	}
1225	$this->enqueue_resources();
1226	if ( ! empty( $wp_styles ) ) {
1227	$wp_styles->do_items();
1228	}
1229	if ( ! empty( $wp_scripts ) ) {
1230	$wp_scripts->do_items();
1231	}
1232
1233	print '<div class="wcmp-preview-container">' . $output . '</div>'; // phpcs:ignore WordPress.Security.EscapeOutput
1234	print '<script type="text/javascript">jQuery(window).on("load", function(){ var frameEl = window.frameElement; if(frameEl) frameEl.height = jQuery(".wcmp-preview-container").outerHeight(true)+25; });</script>';
1235	exit;
1236	}
1237	}
1238	}
1239	} // End _preview
1240
1241	private function _createDir() {
1242	// Generate upload dir
1243	$_files_directory = wp_upload_dir();
1244	$this->_files_directory_path = rtrim( $_files_directory['basedir'], '/' ) . '/wcmp/';
1245	$this->_files_directory_url = rtrim( $_files_directory['baseurl'], '/' ) . '/wcmp/';
1246	$this->_files_directory_url = preg_replace( '/^http(s)?:\/\//', '//', $this->_files_directory_url );
1247	if ( ! file_exists( $this->_files_directory_path ) ) {
1248	@mkdir( $this->_files_directory_path, 0755 );
1249	}
1250	} // End _createDir
1251
1252	private function _deleteDir( $dirPath ) {
1253	try {
1254	if ( ! is_dir( $dirPath ) ) {
1255	return;
1256	}
1257	if ( substr( $dirPath, strlen( $dirPath ) - 1, 1 ) != '/' ) {
1258	$dirPath .= '/';
1259	}
1260	$files = glob( $dirPath . '*', GLOB_MARK );
1261	foreach ( $files as $file ) {
1262	if ( is_dir( $file ) ) {
1263	$this->_deleteDir( $file );
1264	} else {
1265	unlink( $file );
1266	}
1267	}
1268	rmdir( $dirPath );
1269	} catch ( Exception $err ) {
1270	return;
1271	}
1272	} // End _deleteDir
1273
1274	private function _get_duration_by_url( $url ) {
1275	global $wpdb;
1276	try {
1277	$attachment = $wpdb->get_col( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE guid RLIKE %s;", $url ) );
1278	if ( empty( $attachment ) ) {
1279	$uploads_dir = wp_upload_dir();
1280	$uploads_url = $uploads_dir['baseurl'];
1281	$parsed_url = explode( parse_url( $uploads_url, PHP_URL_PATH ), $url );
1282	$this_host = str_ireplace( 'www.', '', parse_url( home_url(), PHP_URL_HOST ) );
1283	$file_host = str_ireplace( 'www.', '', parse_url( $url, PHP_URL_HOST ) );
1284	if ( ! isset( $parsed_url[1] ) \|\| empty( $parsed_url[1] ) \|\| ( $this_host != $file_host ) ) {
1285	return false;
1286	}
1287	$file = trim( $parsed_url[1], '/' );
1288	$attachment = $wpdb->get_col( $wpdb->prepare( "SELECT post_id FROM $wpdb->postmeta WHERE meta_key='_wp_attached_file' AND meta_value RLIKE %s;", $file ) );
1289	}
1290	if ( ! empty( $attachment ) ) {
1291	$metadata = wp_get_attachment_metadata( $attachment[0] );
1292	if ( false !== $metadata && ! empty( $metadata['length_formatted'] ) ) {
1293	return $metadata['length_formatted'];
1294	}
1295	}
1296	} catch ( Exception $err ) {
1297	error_log( $err->getMessage() );
1298	}
1299	return false;
1300	} // End _get_duration_by_url
1301
1302	private function _generate_audio_url( $product_id, $file_index, $file_data = array() ) {
1303	if ( ! empty( $file_data['file'] ) ) {
1304	$file_url = $file_data['file'];
1305	if ( ! empty( $file_data['play_src'] ) \|\| $this->_is_playlist( $file_url ) ) {
1306	return $file_url; // Play src audio file, without copying or truncate it.
1307	}
1308
1309	// If the playback of music are tracked with Google Analytics, should not be loaded directly the audio files.
1310	$_wcmp_analytics_property = trim( $this->get_global_attr( '_wcmp_analytics_property', '' ) );
1311	if ( '' == $_wcmp_analytics_property ) {
1312	$file_name = $this->_demo_file_name( $file_url );
1313
1314	$file_path = $this->_files_directory_path . $file_name;
1315
1316	if ( $this->_valid_demo( $file_path ) ) {
1317	return 'http' . ( ( is_ssl() ) ? 's:' : ':' ) . $this->_files_directory_url . $file_name;
1318	}
1319	}
1320	}
1321	$url = isset( $_SERVER['REQUEST_URI'] ) ? esc_url_raw( wp_unslash( $_SERVER['REQUEST_URI'] ) ) : '';
1322	$url .= ( ( strpos( $url, '?' ) === false ) ? '?' : '&' ) . 'wcmp-action=play&wcmp-product=' . $product_id . '&wcmp-file=' . $file_index;
1323	return $url;
1324	} // End _generate_audio_url
1325
1326	private function _delete_truncated_files( $product_id ) {
1327	$files_arr = get_post_meta( $product_id, '_downloadable_files', true );
1328	if ( ! empty( $files_arr ) && is_array( $files_arr ) ) {
1329	foreach ( $files_arr as $file ) {
1330	if ( is_array( $file ) && ! empty( $file['file'] ) ) {
1331	$ext = pathinfo( $file['file'], PATHINFO_EXTENSION );
1332	$file_name = md5( $file['file'] ) . ( ( ! empty( $ext ) ) ? '.' . $ext : '' );
1333	if ( file_exists( $this->_files_directory_path . $file_name ) ) {
1334	@unlink( $this->_files_directory_path . $file_name );
1335	}
1336	}
1337	}
1338	}
1339
1340	} // End _delete_truncated_files
1341
1342	/**
1343	* Check if the file is an m3u or m3u8 playlist
1344	*/
1345	private function _is_playlist( $file_path ) {
1346	return preg_match( '/\.(m3u\|m3u8)$/i', $file_path );
1347	} // End _is_playlist
1348
1349	/**
1350	* Check if the file is an audio file and return its type or false
1351	*/
1352	private function _is_audio( $file_path ) {
1353	if ( preg_match( '/\.(mp3\|ogg\|oga\|wav\|wma\|mp4)$/i', $file_path, $match ) ) {
1354	return $match[1];
1355	}
1356	if ( preg_match( '/\.m4a$/i', $file_path ) ) {
1357	return 'mp4';
1358	}
1359	if ( $this->_is_playlist( $file_path ) ) {
1360	return 'hls';
1361	}
1362
1363	// From troubleshoot
1364	$extension = pathinfo( $file_path, PATHINFO_EXTENSION );
1365	$troubleshoot_default_extension = $GLOBALS['WooCommerceMusicPlayer']->get_global_attr( '_wcmp_default_extension', false );
1366	if ( ( empty( $extension ) \|\| ! preg_match( '/^[a-z\d]{3,4}$/i', $extension ) ) && $troubleshoot_default_extension ) {
1367	return 'mp3';
1368	}
1369
1370	return false;
1371	} // End _is_audio
1372
1373	private function _sort_list( $product_a, $product_b ) {
1374	if (
1375	! is_object( $product_a ) \|\| ! method_exists( $product_a, 'get_menu_order' ) \|\|
1376	! is_object( $product_b ) \|\| ! method_exists( $product_b, 'get_menu_order' )
1377	) {
1378	return 0;
1379	}
1380
1381	$menu_order_a = $product_a->get_menu_order();
1382	$menu_order_b = $product_b->get_menu_order();
1383	if ( $menu_order_a == $menu_order_b ) {
1384	if (
1385	! method_exists( $product_a, 'get_name' ) \|\|
1386	! method_exists( $product_b, 'get_name' )
1387	) {
1388	return 0;
1389	}
1390
1391	$name_a = $product_a->get_name();
1392	$name_b = $product_b->get_name();
1393	if ( $name_a == $name_b ) {
1394	return 0;
1395	}
1396	return ( $name_a < $name_b ) ? -1 : 1;
1397	}
1398	return ( $menu_order_a < $menu_order_b ) ? -1 : 1;
1399	} // End _sort_list
1400
1401	private function _edit_files_array( $product_id, $files, $play_src = 0 ) {
1402	$p_files = array();
1403	foreach ( $files as $key => $file ) {
1404	$p_key = $key . '_' . $product_id;
1405	if ( gettype( $file ) == 'object' ) {
1406	$file = (array) $file->get_data();
1407	}
1408	$file['product'] = $product_id;
1409	$file['play_src'] = $play_src;
1410	$p_files[ $p_key ] = $file;
1411	}
1412	return $p_files;
1413	} // end _edit_files_array
1414
1415	private function _get_recursive_product_files( $product, $files_arr ) {
1416	if ( ! is_object( $product ) \|\| ! method_exists( $product, 'get_type' ) ) {
1417	return $files_arr;
1418	}
1419
1420	$product_type = $product->get_type();
1421	$id = $product->get_id();
1422
1423	if ( 'variation' == $product_type ) {
1424	// $_files = $product->get_files();
1425	$_files = $product->get_downloads();
1426	$_files = $this->_edit_files_array( $id, $_files );
1427	$files_arr = array_merge( $files_arr, $_files );
1428	} else {
1429
1430	if ( ! $this->get_product_attr( $id, '_wcmp_enable_player', false ) ) {
1431	return $files_arr;
1432	}
1433
1434	switch ( $product_type ) {
1435	case 'variable':
1436	case 'grouped':
1437	$children = $product->get_children();
1438
1439	foreach ( $children as $key => $child_id ) {
1440	$children[ $key ] = wc_get_product( $child_id );
1441	}
1442
1443	uasort( $children, array( &$this, '_sort_list' ) );
1444
1445	foreach ( $children as $child_obj ) {
1446	$files_arr = $this->_get_recursive_product_files( $child_obj, $files_arr );
1447	}
1448	break;
1449	default:
1450	$_files = $product->get_downloads();
1451	$_files = $this->_edit_files_array( $id, $_files );
1452	$files_arr = array_merge( $files_arr, $_files );
1453	break;
1454	}
1455	}
1456	return $files_arr;
1457	} // End _get_recursive_product_files
1458
1459	private function _get_product_files( $args ) {
1460	if ( empty( $args['product'] ) ) {
1461	return false;
1462	}
1463
1464	$product = $args['product'];
1465	$files = $this->_get_recursive_product_files( $product, array() );
1466
1467	if ( empty( $files ) ) {
1468	return false;
1469	}
1470
1471	$audio_files = array();
1472	foreach ( $files as $index => $file ) {
1473	if ( ! empty( $file['file'] ) && false !== ( $media_type = $this->_is_audio( $file['file'] ) ) ) { // phpcs:ignore Squiz.PHP.DisallowMultipleAssignments
1474	$file['media_type'] = $media_type;
1475
1476	if ( ! empty( $args['file_id'] ) ) {
1477	if ( $args['file_id'] == $index ) {
1478	$audio_files[ $index ] = $file;
1479	return $audio_files;
1480	}
1481	} elseif ( ! empty( $args['first'] ) ) {
1482	$audio_files[ $index ] = $file;
1483	return $audio_files;
1484	} elseif ( ! empty( $args['all'] ) ) {
1485	$audio_files[ $index ] = $file;
1486	}
1487	}
1488	}
1489
1490	return $audio_files;
1491	} // End _get_product_files
1492
1493	private function _demo_file_name( $url ) {
1494	$file_extension = pathinfo( $url, PATHINFO_EXTENSION );
1495	$file_name = md5( $url ) . ( ( ! empty( $file_extension ) && preg_match( '/^[a-z\d]{3,4}$/i', $file_extension ) ) ? '.' . $file_extension : '.mp3' );
1496	return $file_name;
1497	} // End _demo_file_name
1498
1499	private function _valid_demo( $file_path ) {
1500	if ( ! file_exists( $file_path ) \|\| filesize( $file_path ) == 0 ) {
1501	return false;
1502	}
1503	if ( function_exists( 'finfo_open' ) ) {
1504	$finfo = finfo_open( FILEINFO_MIME );
1505	return substr( finfo_file( $finfo, $file_path ), 0, 4 ) !== 'text';
1506	}
1507	return true;
1508	} // End _valid_demo
1509
1510	/**
1511	* Create a temporal file and redirect to the new file
1512	*/
1513	private function _output_file( $args ) {
1514	if ( empty( $args['url'] ) ) {
1515	return;
1516	}
1517	$url = $args['url'];
1518	$url = do_shortcode( $url );
1519
1520	if ( file_exists( $url ) ) {
1521	$url_fixed = $url;
1522	} elseif ( strpos( $url, '//' ) === 0 ) {
1523	$url_fixed = 'http' . ( is_ssl() ? 's:' : ':' ) . $url;
1524	} elseif ( strpos( $url, '/' ) === 0 ) {
1525	$url_fixed = rtrim( WCMP_WEBSITE_URL, '/' ) . $url;
1526	} else {
1527	$url_fixed = $url;
1528	}
1529
1530	$file_name = $this->_demo_file_name( $url );
1531	$text = 'The requested URL was not found on this server';
1532	$file_path = $this->_files_directory_path . $file_name;
1533
1534	if ( $this->_valid_demo( $file_path ) ) {
1535	header( 'location: http' . ( ( is_ssl() ) ? 's:' : ':' ) . $this->_files_directory_url . $file_name );
1536	exit;
1537	} else {
1538	try {
1539	$c = false;
1540	if ( ( $path = $this->_is_local( $url_fixed ) ) !== false ) { // phpcs:ignore Squiz.PHP.DisallowMultipleAssignments
1541	$c = copy( $path, $file_path );
1542	} else {
1543	$response = wp_remote_get(
1544	$url_fixed,
1545	array(
1546	'timeout' => WCMP_REMOTE_TIMEOUT,
1547	'stream' => true,
1548	'filename' => $file_path,
1549	)
1550	);
1551	if ( ! is_wp_error( $response ) && 200 == $response['response']['code'] ) {
1552	$c = true;
1553	}
1554	}
1555
1556	if ( true === $c ) {
1557	header( 'Content-Type: audio/mpeg' );
1558	readfile($file_path);
1559	// header( 'location: http' . ( ( is_ssl() ) ? 's:' : ':' ) . $this->_files_directory_url . $file_name );
1560	exit;
1561	}
1562	} catch ( Exception $err ) {
1563	error_log( $err->getMessage() );
1564	}
1565	$text = 'It is not possible to generate the file for demo. Possible causes are: - the amount of memory allocated to the php script on the web server is not enough, - the execution time is too short, - or the "uploads/wcmp" directory does not have write permissions.';
1566	}
1567	$this->_print_page_not_found( $text );
1568	} // End _output_file
1569
1570	/**
1571	* Add the class name: product-<product id> to cover images associated to the products.
1572	*
1573	* @param $html, a html piece of code that includes the <img> tag.
1574	* @param $product, the product object.
1575	*/
1576	private function _add_class( $html, $product ) {
1577	if ( preg_match( '/<img\b[^>]*>/i', $html, $image ) ) {
1578	$id = $product->get_id();
1579	if ( $GLOBALS['WooCommerceMusicPlayer']->get_product_attr( $id, '_wcmp_on_cover', 0 ) ) {
1580	if ( preg_match( '/\bclass\s*=/i', $image[0] ) ) {
1581	$tmp_image = preg_replace( '/\bclass\s=\s[\'"]/i', "$0product-$id ", $image[0] );
1582	} else {
1583	$tmp_image = preg_replace( '/<img\b/i', "<img $0 class=\"product-$id\" ", $image[0] );
1584	}
1585
1586	$html = str_replace( $image[0], $tmp_image, $html );
1587	}
1588	}
1589
1590	return $html;
1591	} // End _add_class
1592
1593	/**
1594	* Print not found page if file it is not accessible
1595	*/
1596	private function _print_page_not_found( $text = 'The requested URL was not found on this server' ) {
1597	header( 'Status: 404 Not Found' );
1598	echo '<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
1599	<HTML><HEAD>
1600	<TITLE>404 Not Found</TITLE>
1601	</HEAD><BODY>
1602	<H1>Not Found</H1>
1603	<P>' . esc_html( $text ) . '</P>
1604	</BODY></HTML>
1605	';
1606	} // End _print_page_not_found
1607
1608	private function _is_local( $url ) {
1609	$file_path = false;
1610	if ( file_exists( $url ) ) {
1611	$file_path = $url;
1612	} else {
1613	$attachment_id = attachment_url_to_postid( $url );
1614	if ( $attachment_id ) {
1615	$attachment_path = get_attached_file( $attachment_id );
1616	if ( $attachment_path && file_exists( $attachment_path ) ) {
1617	$file_path = $attachment_path;
1618	}
1619	}
1620	}
1621	return apply_filters( 'wcmp_is_local', $file_path, $url );
1622	} // End _is_local
1623
1624	private function _tracking_play_event( $product_id, $file_url ) {
1625	$_wcmp_analytics_integration = $this->get_global_attr( '_wcmp_analytics_integration', 'ua' );
1626	$_wcmp_analytics_property = trim( $this->get_global_attr( '_wcmp_analytics_property', '' ) );
1627	$_wcmp_analytics_api_secret = trim( $this->get_global_attr( '_wcmp_analytics_api_secret', '' ) );
1628	if ( ! empty( $_wcmp_analytics_property ) ) {
1629	$cid = isset( $_SERVER['REMOTE_ADDR'] ) ? sanitize_text_field( wp_unslash( $_SERVER['REMOTE_ADDR'] ) ) : 555;
1630	try {
1631	if ( isset( $_COOKIE['_ga'] ) ) {
1632	$cid_parts = explode( '.', sanitize_text_field( wp_unslash( $_COOKIE['_ga'] ) ), 3 );
1633	$cid = $cid_parts[2];
1634	}
1635	} catch ( Exception $err ) {
1636	error_log( $err->getMessage() );
1637	}
1638
1639	if ( 'ua' == $_wcmp_analytics_integration ) {
1640	$_response = wp_remote_post(
1641	'http://www.google-analytics.com/collect',
1642	array(
1643	'body' => array(
1644	'v' => 1,
1645	'tid' => $_wcmp_analytics_property,
1646	'cid' => $cid,
1647	't' => 'event',
1648	'ec' => 'Music Player for WooCommerce',
1649	'ea' => 'play',
1650	'el' => $file_url,
1651	'ev' => $product_id,
1652	),
1653	)
1654	);
1655	} else {
1656	$_response = wp_remote_post(
1657	'https://www.google-analytics.com/mp/collect?api_secret=' . $_wcmp_analytics_api_secret . '&measurement_id=' . $_wcmp_analytics_property,
1658	array(
1659	'sslverify' => true,
1660	'headers' => array(
1661	'Content-Type' => 'application/json',
1662	),
1663	'body' => json_encode(
1664	array(
1665	'client_id' => $cid,
1666	'events' => array(
1667	array(
1668	'name' => 'play',
1669	'params' => array(
1670	'event_category' => 'Music Player for WooCommerce',
1671	'event_label' => $file_url,
1672	'event_value' => $product_id,
1673	),
1674	),
1675	),
1676	)
1677	),
1678	)
1679	);
1680	}
1681
1682	if ( is_wp_error( $_response ) ) {
1683	error_log( $_response->get_error_message() );
1684	}
1685	}
1686	} // _tracking_play_event
1687
1688	public static function troubleshoot( $option ) {
1689	if ( ! is_admin() ) {
1690	// Solves a conflict caused by the "Speed Booster Pack" plugin
1691	if ( is_array( $option ) && isset( $option['jquery_to_footer'] ) ) {
1692	unset( $option['jquery_to_footer'] );
1693	}
1694	}
1695	return $option;
1696	} // End troubleshoot
1697	} // End Class WooCommerceMusicPlayer
1698
1699	$GLOBALS['WooCommerceMusicPlayer'] = new WooCommerceMusicPlayer();
1700	}
1701