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query-modifier.php
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query-modifier.php
224 lines
| 1 | <?php |
| 2 | |
| 3 | namespace ShopEngine\Core; |
| 4 | |
| 5 | use ShopEngine\Traits\Singleton; |
| 6 | use ShopEngine\Core\Register\Widget_List; |
| 7 | |
| 8 | class Query_Modifier |
| 9 | { |
| 10 | |
| 11 | use Singleton; |
| 12 | |
| 13 | private $custom_query = []; |
| 14 | |
| 15 | public function init() |
| 16 | { |
| 17 | |
| 18 | add_action('pre_get_posts', [$this, 'modify_query']); |
| 19 | } |
| 20 | |
| 21 | public function modify_query($query) |
| 22 | { |
| 23 | |
| 24 | |
| 25 | if (is_admin() || !$query->is_main_query() || $query->is_single === true) { |
| 26 | return; |
| 27 | } |
| 28 | |
| 29 | // Only proceed when it's the product query from widgets OR we're on the shop/product archive |
| 30 | $is_product_query_flag = isset($query->query_vars['wc_query']) && $query->query_vars['wc_query'] == 'product_query'; |
| 31 | $is_shop_archive = ( function_exists('is_shop') && is_shop() ) || ( isset($query->query_vars['post_type']) && $query->query_vars['post_type'] === 'product' ) || ( isset($query->is_post_type_archive) && $query->is_post_type_archive === true ); |
| 32 | |
| 33 | if ( ! $is_product_query_flag && ! $is_shop_archive ) { |
| 34 | return; |
| 35 | } |
| 36 | |
| 37 | // query filter begins |
| 38 | |
| 39 | // update query for product per page filter |
| 40 | //phpcs:ignore WordPress.Security.NonceVerification.Recommended -- It's a fronted user part, not possible to verify nonce here |
| 41 | if (!empty($_GET['shopengine_products_per_page'])) { |
| 42 | //phpcs:ignore WordPress.Security.NonceVerification.Recommended |
| 43 | $query->set('posts_per_page', absint(intval($_GET['shopengine_products_per_page']))); |
| 44 | } |
| 45 | |
| 46 | // checking product filter widget active or not |
| 47 | // but if `filter_pa_*` params are present on shop archive, allow processing even if widget not active |
| 48 | $has_filter_params = false; |
| 49 | if ( $is_shop_archive ) { |
| 50 | foreach ( $_GET as $k => $v ) { |
| 51 | if ( strpos( $k, 'filter_pa_' ) === 0 && ! empty( $v ) ) { |
| 52 | $taxonomy = substr( $k, strlen('filter_') ); // e.g. pa_color |
| 53 | $values = explode(',', trim( $v )); |
| 54 | |
| 55 | $this->custom_query['relation'] = 'AND'; |
| 56 | $this->custom_query[] = [ |
| 57 | 'taxonomy' => $taxonomy, |
| 58 | 'field' => 'slug', |
| 59 | 'terms' => $values, |
| 60 | 'operator' => 'IN', |
| 61 | ]; |
| 62 | |
| 63 | $has_filter_params = true; |
| 64 | } |
| 65 | } |
| 66 | } |
| 67 | |
| 68 | $active_widgets = Widget_List::instance()->get_list(true, 'active'); |
| 69 | if (!isset($active_widgets['product-filters']) && !$has_filter_params) { |
| 70 | return; |
| 71 | } |
| 72 | |
| 73 | $color_prefix = 'shopengine_filter_color_'; |
| 74 | |
| 75 | $attribute_prefix = 'shopengine_filter_attribute_'; |
| 76 | |
| 77 | $image_prefix = 'shopengine_filter_image_'; |
| 78 | |
| 79 | $label_prefix = 'shopengine_filter_label_'; |
| 80 | |
| 81 | $shipping_prefix = 'shopengine_filter_shipping_'; |
| 82 | |
| 83 | $category_prefix = 'shopengine_filter_category'; |
| 84 | |
| 85 | $stock_prefix = 'shopengine_filter_stock'; |
| 86 | |
| 87 | $sale_prefix = 'shopengine_filter_onsale'; |
| 88 | |
| 89 | $brand_prefix = 'shopengine_filter_brand'; |
| 90 | |
| 91 | $meta_query = ['relation' => 'AND']; |
| 92 | |
| 93 | //phpcs:ignore WordPress.Security.NonceVerification.Recommended -- It's a fronted user part, not possible to verify nonce here |
| 94 | foreach ($_GET as $key => $value) { |
| 95 | |
| 96 | if ($key === 'rating_filter') { |
| 97 | $meta_query[] = [ |
| 98 | 'key' => '_wc_average_rating', |
| 99 | 'value' => explode(',', trim($value)), |
| 100 | 'type' => 'numeric', |
| 101 | 'compare' => 'IN' |
| 102 | ]; |
| 103 | } |
| 104 | |
| 105 | if ($key === $category_prefix) { |
| 106 | |
| 107 | $query->query['product_cat'] = ''; |
| 108 | $query->query_vars['product_cat'] = ''; |
| 109 | $query = $this->query($key . 'product_cat', $category_prefix, $value, $query); |
| 110 | |
| 111 | } elseif (strpos($key, $color_prefix) !== false) { |
| 112 | |
| 113 | $query = $this->query($key, $color_prefix, $value, $query); |
| 114 | |
| 115 | } elseif (strpos($key, $attribute_prefix) !== false) { |
| 116 | |
| 117 | $query = $this->query($key, $attribute_prefix, $value, $query); |
| 118 | |
| 119 | } elseif (strpos($key, $image_prefix) !== false) { |
| 120 | |
| 121 | $query = $this->query($key, $image_prefix, $value, $query); |
| 122 | |
| 123 | } elseif (strpos($key, $label_prefix) !== false) { |
| 124 | |
| 125 | $query = $this->query($key, $label_prefix, $value, $query); |
| 126 | |
| 127 | } elseif (strpos($key, $shipping_prefix) !== false) { |
| 128 | |
| 129 | $query = $this->query($key, $shipping_prefix, $value, $query); |
| 130 | |
| 131 | } elseif ($key === $brand_prefix) { |
| 132 | |
| 133 | $query = $this->query($key, $brand_prefix, $value, $query); |
| 134 | |
| 135 | } elseif ($key === $stock_prefix) { |
| 136 | |
| 137 | $meta_query[] = [ |
| 138 | 'key' => '_stock_status', |
| 139 | 'value' => $value, |
| 140 | 'compare' => 'IN' |
| 141 | ]; |
| 142 | |
| 143 | |
| 144 | } elseif ($key === $sale_prefix) { |
| 145 | |
| 146 | $s = explode(',', $value); |
| 147 | |
| 148 | foreach ($s as $v) { |
| 149 | |
| 150 | if ($v === 'on_sale') { |
| 151 | |
| 152 | $product_ids_on_sale = wc_get_product_ids_on_sale(); // including varriation products |
| 153 | $query->set( 'post__in', (array) $product_ids_on_sale ); |
| 154 | |
| 155 | } else { |
| 156 | $meta_query[] = [ |
| 157 | 'key' => '_sale_price', |
| 158 | 'compare' => 'NOT EXISTS', |
| 159 | 'operator' => 'OR', |
| 160 | ]; |
| 161 | } |
| 162 | } |
| 163 | } |
| 164 | |
| 165 | // Support custom attribute filtering (filter_custom_{slug}) |
| 166 | elseif (strpos($key, 'filter_custom_') === 0) { |
| 167 | $attr_slug = substr($key, strlen('filter_custom_')); // e.g. material, brand |
| 168 | $values = array_map('sanitize_text_field', explode(',', trim($value))); |
| 169 | |
| 170 | // Search in serialized _product_attributes meta for custom attributes |
| 171 | foreach ($values as $val) { |
| 172 | $meta_query[] = [ |
| 173 | 'key' => '_product_attributes', |
| 174 | 'value' => '"' . $val . '"', |
| 175 | 'compare' => 'LIKE' |
| 176 | ]; |
| 177 | } |
| 178 | } |
| 179 | } |
| 180 | |
| 181 | if (!empty($meta_query)) { |
| 182 | $query->set('meta_query', $meta_query); |
| 183 | } |
| 184 | |
| 185 | $product_visibility_terms = wc_get_product_visibility_term_ids(); |
| 186 | $product_visibility_not_in = array( $product_visibility_terms['exclude-from-catalog'] ); |
| 187 | |
| 188 | if ( 'yes' === get_option( 'woocommerce_hide_out_of_stock_items' ) ) { |
| 189 | $product_visibility_not_in[] = $product_visibility_terms['outofstock']; |
| 190 | } |
| 191 | $this->custom_query['tax_query'][] = apply_filters('shopengine-product-visibility-modifier',[ |
| 192 | 'taxonomy' => 'product_visibility', |
| 193 | 'terms' => $product_visibility_not_in, |
| 194 | 'field' => 'term_taxonomy_id', |
| 195 | 'operator' => 'NOT IN', |
| 196 | ]); |
| 197 | |
| 198 | $query->set('tax_query', apply_filters('shopengine-tax-query-modifier', $this->custom_query)); |
| 199 | } |
| 200 | |
| 201 | public function query($key, $prefix, $values, $query) |
| 202 | { |
| 203 | // Handle brand filter specifically |
| 204 | if ($prefix === 'shopengine_filter_brand') { |
| 205 | $taxonomy = 'product_brand'; |
| 206 | } else { |
| 207 | $taxonomy = str_replace($prefix, '', $key); |
| 208 | } |
| 209 | |
| 210 | $values = explode(',', trim($values)); |
| 211 | |
| 212 | $this->custom_query['relation'] = 'AND'; |
| 213 | |
| 214 | $this->custom_query[] = [ |
| 215 | 'taxonomy' => $taxonomy, |
| 216 | 'field' => 'slug', |
| 217 | 'terms' => $values, |
| 218 | 'operator' => 'IN', |
| 219 | ]; |
| 220 | |
| 221 | return $query; |
| 222 | } |
| 223 | } |
| 224 |