tier-pricing-table / src / Cache.php

Cache.php in Tiered Pricing Table for WooCommerce 6.1.0, at src/Cache.php

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1	<?php namespace TierPricingTable;
2
3	/*
4	* Class Cache
5	*
6	* @package TierPricingTable
7	*/
8
9	use TierPricingTable\Core\ServiceContainer;
10	use WC_Product_Variable;
11
12	class Cache {
13
14	public static $variableProductsHash = array();
15
16	protected static $inited = false;
17
18	protected static $isEnabled = false;
19
20	const PURGE_CACHE_ACTION = 'tpt_purge_cache';
21
22	public static function init() {
23
24	if ( self::$inited ) {
25	return;
26	}
27
28	self::$isEnabled = ServiceContainer::getInstance()->getSettings()->get( 'cache_enabled', 'yes' ) === 'yes';
29
30	if ( self::isEnabled() ) {
31
32	$pricesDisplayType = ServiceContainer::getInstance()->getSettings()->get( 'tiered_price_at_catalog_type', 'range' );
33
34	// Store variable products price hash
35	add_filter( 'woocommerce_get_variation_prices_hash', function ( $hash, WC_Product_Variable $product ) use ( $pricesDisplayType ) {
36
37	$hash[] = $product->get_date_modified();
38
39	if ( ! array_key_exists( $product->get_id(), self::$variableProductsHash ) ) {
40	self::$variableProductsHash[ $product->get_id() ] = md5( wp_json_encode( $hash ) . $pricesDisplayType );
41	}
42
43	return $hash;
44	}, 999999, 2 );
45
46	add_action( 'admin_post_' . self::PURGE_CACHE_ACTION, function () {
47
48	$nonce = isset( $_REQUEST['nonce'] ) ? sanitize_text_field( $_REQUEST['nonce'] ) : false;
49
50	if ( current_user_can( 'manage_options' ) && wp_verify_nonce( $nonce, self::PURGE_CACHE_ACTION ) ) {
51
52	ServiceContainer::getInstance()->getAdminNotifier()->flash( __( 'Cache has been purged successfully', 'tier-pricing-table' ) );
53
54	self::clearCache();
55	}
56
57	return wp_safe_redirect( wp_get_referer() );
58	} );
59	}
60
61	self::$inited = true;
62	}
63
64	public static function getCachedDataForVariableProduct( $productId, $key = null ) {
65
66	if ( ! self::$isEnabled ) {
67	return false;
68	}
69
70	if ( ! empty( self::$variableProductsHash[ $productId ] ) ) {
71
72	$productKey = $productId . self::$variableProductsHash[ $productId ];
73	$cacheKey = 'tpt_variable_product_data';
74
75	$value = (array) get_transient( $cacheKey );
76
77	if ( empty( $value[ $productKey ] ) ) {
78	return false;
79	}
80
81	if ( $key ) {
82
83	return isset( $value[ $productKey ][ $key ] ) ? (string) $value[ $productKey ][ $key ] : false;
84	}
85
86	return $value;
87	}
88
89	return false;
90	}
91
92	public static function setCachedDataForVariableProduct( $productId, $key, $value ) {
93
94	if ( ! self::$isEnabled ) {
95	return;
96	}
97
98	if ( ! empty( self::$variableProductsHash[ $productId ] ) ) {
99
100	$productKey = $productId . self::$variableProductsHash[ $productId ];
101	$cacheKey = 'tpt_variable_product_data';
102
103	$data = (array) get_transient( $cacheKey );
104
105	$data[ $productKey ][ $key ] = $value;
106
107	$data = array_filter( $data );
108
109	set_transient( $cacheKey, $data, DAY_IN_SECONDS * 10 + rand( 10, DAY_IN_SECONDS ) );
110	}
111	}
112
113	public static function clearCache() {
114	delete_transient( 'tpt_variable_product_data' );
115	}
116
117	public static function getPurgeURL() {
118	return add_query_arg( array(
119	'action' => self::PURGE_CACHE_ACTION,
120	'nonce' => wp_create_nonce( self::PURGE_CACHE_ACTION )
121	), admin_url( 'admin-post.php' ) );
122	}
123
124	public static function isEnabled() {
125	return self::$isEnabled;
126	}
127	}