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<?php |
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namespace EverCompare; |
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/** |
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* Ajax handlers class |
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*/ |
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class Ajax { |
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|
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/** |
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* [$_instance] |
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* @var null |
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*/ |
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private static $_instance = null; |
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|
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/** |
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* [instance] Initializes a singleton instance |
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* @return [Ajax] |
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*/ |
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public static function instance() { |
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if ( is_null( self::$_instance ) ) { |
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self::$_instance = new self(); |
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} |
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return self::$_instance; |
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} |
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|
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/** |
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* Initialize the class |
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*/ |
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private function __construct() { |
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|
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// Add Ajax Callback |
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add_action( 'wp_ajax_ever_compare_add_to_compare', [ $this, 'add_to_compare' ] ); |
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add_action( 'wp_ajax_nopriv_ever_compare_add_to_compare', [ $this, 'add_to_compare' ] ); |
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|
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// Remove Ajax Callback |
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add_action( 'wp_ajax_ever_compare_remove_from_compare', [ $this, 'remove_from_compare' ] ); |
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add_action( 'wp_ajax_nopriv_ever_compare_remove_from_compare', [ $this,'remove_from_compare' ] ); |
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|
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// Get Nonce endpoint (no nonce verification needed) |
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add_action( 'wp_ajax_ever_compare_get_nonce', [ $this, 'get_nonce' ] ); |
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add_action( 'wp_ajax_nopriv_ever_compare_get_nonce', [ $this, 'get_nonce' ] ); |
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|
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// Get Table endpoint |
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add_action( 'wp_ajax_ever_compare_get_table', [ $this, 'get_table' ] ); |
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add_action( 'wp_ajax_nopriv_ever_compare_get_table', [ $this, 'get_table' ] ); |
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|
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} |
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|
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/** |
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* [add_to_compare] Product add ajax callback |
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*/ |
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public function add_to_compare(){ |
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check_ajax_referer('ever_compare_nonce', 'nonce'); |
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if(!empty($_GET['id'])) { |
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$id = absint( $_GET['id'] ); |
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\EverCompare\Frontend\Manage_Compare::instance()->add_to_compare( $id ); |
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} |
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} |
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|
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/** |
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* [remove_from_compare] Product delete ajax callback |
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* @return [void] |
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*/ |
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public function remove_from_compare(){ |
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check_ajax_referer('ever_compare_nonce', 'nonce'); |
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if(!empty($_GET['id'])) { |
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$id = absint( $_GET['id'] ); |
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\EverCompare\Frontend\Manage_Compare::instance()->remove_from_compare( $id ); |
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} |
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} |
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|
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/** |
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* [get_nonce] Return a fresh nonce for AJAX operations |
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* @return [void] |
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*/ |
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public function get_nonce(){ |
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wp_send_json( array( |
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'nonce' => wp_create_nonce( 'ever_compare_nonce' ), |
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) ); |
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} |
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|
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/** |
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* [get_table] Return compare table HTML for given product IDs |
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* @return [void] |
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*/ |
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public function get_table(){ |
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$ids = array(); |
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if ( ! empty( $_GET['ids'] ) ) { |
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$raw_ids = sanitize_text_field( wp_unslash( $_GET['ids'] ) ); |
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$ids = array_filter( array_map( 'absint', explode( ',', $raw_ids ) ) ); |
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$ids = array_slice( $ids, 0, \EverCompare\Frontend\Manage_Compare::instance()->max_limit ); |
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} |
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|
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if ( empty( $ids ) ) { |
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wp_send_json( array( |
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'table' => '', |
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'count' => 0, |
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) ); |
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} |
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|
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$cookie_name = \EverCompare\Frontend\Manage_Compare::instance()->get_cookie_name(); |
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$_COOKIE[ $cookie_name ] = wp_json_encode( $ids ); |
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|
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ob_start(); |
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\EverCompare\Frontend\Manage_Compare::instance()->get_response_html(); |
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$table_html = ob_get_clean(); |
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|
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wp_send_json( array( |
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'table' => $table_html, |
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'count' => count( $ids ), |
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'products' => $ids, |
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) ); |
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} |
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|
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} |
