shopbuilder / app / Modules / VariationGallery / GalleryFrontEnd.php

GalleryFrontEnd.php in ShopBuilder – WooCommerce Builder For Elementor 3.3.0, at app/Modules/VariationGallery/GalleryFrontEnd.php

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1	<?php
2	/**
3	* Main FilterHooks class.
4	*
5	* @package RadiusTheme\SB
6	*/
7
8	namespace RadiusTheme\SB\Modules\VariationGallery;
9
10	use RadiusTheme\SB\Helpers\BuilderFns;
11	use RadiusTheme\SB\Helpers\Fns;
12	use RadiusTheme\SB\Traits\SingletonTrait;
13
14	defined( 'ABSPATH' ) \|\| exit();
15
16	/**
17	* Main FilterHooks class.
18	*/
19	class GalleryFrontEnd {
20
21	/**
22	* Singleton Trait.
23	*/
24	use SingletonTrait;
25
26	/**
27	* Module Class Constructor.
28	*/
29	private function __construct() {
30	add_filter( 'woocommerce_locate_template', [ $this, 'override_templates' ], 10, 2 );
31	add_action( 'wp_footer', [ $this, 'slider_and_thumbnail_template_js' ] );
32	add_filter( 'woocommerce_available_variation', [ $this, 'available_variation_gallery' ], 90, 3 );
33
34	add_action( 'wp_ajax_rtsb_vg_get_default_gallery_images', [ $this, 'get_default_gallery_images' ] );
35	add_action( 'wp_ajax_nopriv_rtsb_vg_get_default_gallery_images', [ $this, 'get_default_gallery_images' ] );
36
37	// On-demand single-variation gallery. Nonce-less / read-only by design,
38	// mirroring WooCommerce core's own `woocommerce_get_variation` AJAX: a
39	// required nonce breaks on full-page-cached pages because the embedded
40	// nonce goes stale, and the payload is public, read-only product images.
41	add_action( 'wp_ajax_rtsb_get_variation_gallery', [ $this, 'get_variation_gallery' ] );
42	add_action( 'wp_ajax_nopriv_rtsb_get_variation_gallery', [ $this, 'get_variation_gallery' ] );
43	}
44	/**
45	* @param array $available_variation Available variation.
46	* @param object $variationProductObject object.
47	* @param object $variation variation.
48	*
49	* @return array
50	*/
51	public function available_variation_gallery( $available_variation, $variationProductObject, $variation ) {
52	$variation_id = absint( $variation->get_id() );
53
54	// On single product pages galleries are fetched on-demand over AJAX (see
55	// get_variation_gallery()), so we intentionally do NOT embed per-variation image
56	// props in the variation JSON — that keeps the page lean and ensures each
57	// variation's gallery is fetched only when it is selected. WooCommerce already
58	// includes `variation_id`, which is all the frontend needs to request it.
59	//
60	// In other contexts (e.g. the archive/shop variation image swap) the inline
61	// data is still consumed, so expose an already-cached gallery if one exists.
62	// This is a cheap get_transient() — no prop building.
63	if ( ! is_product() && ! BuilderFns::is_product() ) {
64	$transient_name = GalleryFns::get_transient_name( $variation_id, 'variation-images' );
65	$images = $transient_name ? get_transient( $transient_name ) : false;
66	if ( ! empty( $images ) && is_array( $images ) ) {
67	$available_variation['variation_gallery_images'] = array_values( $images );
68	}
69	}
70
71	return apply_filters( 'rtsb/vg/available/variation/gallery', $available_variation, $variation, $variation_id );
72	}
73	/**
74	* @return void
75	*/
76	public function get_default_gallery_images() {
77	if ( ! wp_verify_nonce( Fns::get_nonce(), rtsb()->nonceText ) ) {
78	wp_send_json_error( esc_html__( 'Something Went Wrong', 'shopbuilder' ) );
79	}
80	$product_id = isset( $_POST['product_id'] ) ? absint( $_POST['product_id'] ) : 0;
81
82	if ( ! $product_id ) {
83	wp_send_json_error( esc_html__( 'Invalid product ID.', 'shopbuilder' ) );
84	}
85
86	$product = wc_get_product( $product_id );
87
88	if ( ! $product ) {
89	wp_send_json_error( esc_html__( 'Product not found.', 'shopbuilder' ) );
90	}
91
92	if ( ! $this->can_user_view_product( $product ) ) {
93	wp_send_json_error( esc_html__( 'You do not have permission to view this product.', 'shopbuilder' ) );
94	}
95
96	$product_id = isset( $_POST['product_id'] ) ? absint( $_POST['product_id'] ) : 0;
97	$images = GalleryFns::get_gallery_images_and_props( $product_id );
98	wp_send_json_success( $images );
99	}
100
101	/**
102	* AJAX: Return the gallery image props for a single selected variation.
103	*
104	* Read-only / nonce-less by design, mirroring WooCommerce core's own
105	* `woocommerce_get_variation` endpoint. A required nonce would break on
106	* full-page-cached pages (stale embedded nonce); the response is public,
107	* read-only product image data, so there is no CSRF concern.
108	*
109	* @return void
110	*/
111	public function get_variation_gallery() {
112	// phpcs:ignore WordPress.Security.NonceVerification.Missing
113	$variation_id = isset( $_POST['variation_id'] ) ? absint( wp_unslash( $_POST['variation_id'] ) ) : 0;
114	// phpcs:ignore WordPress.Security.NonceVerification.Missing
115	$product_id = isset( $_POST['product_id'] ) ? absint( wp_unslash( $_POST['product_id'] ) ) : 0;
116
117	if ( ! $variation_id ) {
118	wp_send_json_error( esc_html__( 'Invalid variation ID.', 'shopbuilder' ) );
119	}
120
121	$variation = wc_get_product( $variation_id );
122
123	if ( ! $variation \|\| 'variation' !== $variation->get_type() ) {
124	wp_send_json_error( esc_html__( 'Variation not found.', 'shopbuilder' ) );
125	}
126
127	if ( ! $product_id ) {
128	$product_id = absint( $variation->get_parent_id() );
129	}
130
131	$product = $product_id ? wc_get_product( $product_id ) : false;
132
133	if ( ! $product \|\| ! $this->can_user_view_product( $product ) ) {
134	wp_send_json_error( esc_html__( 'You do not have permission to view this product.', 'shopbuilder' ) );
135	}
136
137	$images = GalleryFns::get_variation_gallery( $product_id, $variation_id );
138	wp_send_json_success( $images );
139	}
140
141	/**
142	* Determines if the current user has permission to view a product.
143	*
144	* Checks product status and visibility settings against user capabilities.
145	*
146	* @param \WC_Product $product The product to check access for.
147	* @return bool True if user can view the product, false otherwise.
148	*/
149	private function can_user_view_product( $product ) {
150	$product_id = $product->get_id();
151	$status = get_post_status( $product->get_id() );
152	$visibility = $product->get_catalog_visibility();
153
154	if ( 'publish' === $status && 'visible' === $visibility ) {
155	return true;
156	}
157
158	return current_user_can( 'edit_post', $product_id );
159	}
160	/**
161	* @param string $template template.
162	* @param string $template_name template name.
163	* @return mixed\|null
164	*/
165	public function override_templates( $template, $template_name ) {
166	// List of templates you want to override.
167	if ( 'single-product/product-image.php' === $template_name ) {
168	$galleryStyle = GalleryFns::get_options( 'gallery_style' );
169	$galleryStyle = apply_filters( 'rtsb/vg/thumbnails/position', $galleryStyle );
170	$temp = rtsb()->has_pro() && 'grid' === $galleryStyle ? 'variation-gallery/vg-grid-view' : 'variation-gallery/product-image';
171	$custom_template = Fns::locate_template( $temp );
172	if ( file_exists( $custom_template ) ) {
173	return $custom_template;
174	}
175	}
176	return $template;
177	}
178	/**
179	* @return void
180	*/
181	public function slider_and_thumbnail_template_js() {
182	wp_enqueue_script( 'underscore' );
183	Fns::load_template( 'variation-gallery/vg-slider-template', [] );
184	Fns::load_template( 'variation-gallery/vg-thumbnail-template', [] );
185	}
186	}
187