| 1 |
<?php |
| 2 |
|
| 3 |
namespace Pixelavo; |
| 4 |
|
| 5 |
/* Exit if accessed directly */ |
| 6 |
if (!defined('ABSPATH')) { |
| 7 |
exit; |
| 8 |
} |
| 9 |
|
| 10 |
class PixelFeed{ |
| 11 |
|
| 12 |
private static $_instance = null; |
| 13 |
|
| 14 |
/** |
| 15 |
* Instance. |
| 16 |
* Initializes a singleton instance. |
| 17 |
* @return self class |
| 18 |
*/ |
| 19 |
static function instance() { |
| 20 |
if ( is_null( self::$_instance ) ) { |
| 21 |
self::$_instance = new self(); |
| 22 |
} |
| 23 |
return self::$_instance; |
| 24 |
} |
| 25 |
|
| 26 |
function __construct() { |
| 27 |
add_action('init', [$this, 'init_feed']); |
| 28 |
add_filter('feed_content_type', [$this, 'feed_content_type'], 10, 2); |
| 29 |
} |
| 30 |
|
| 31 |
function feed_content_type($content_type, $type) { |
| 32 |
if ('pixelavo' === $type) { |
| 33 |
return feed_content_type( 'rss-http' ); |
| 34 |
} |
| 35 |
return $content_type; |
| 36 |
} |
| 37 |
|
| 38 |
/** |
| 39 |
* Feed. |
| 40 |
* Run when user search for any product and go to `search` page. |
| 41 |
* @return void |
| 42 |
*/ |
| 43 |
function init_feed() { |
| 44 |
add_feed( 'pixelavo', [$this, 'pixel_feed'] ); |
| 45 |
} |
| 46 |
|
| 47 |
function pixel_feed() { |
| 48 |
|
| 49 |
/** |
| 50 |
* Settings |
| 51 |
*/ |
| 52 |
$settings = get_option('pixelavo_settings'); |
| 53 |
$exclude_categories = array_key_exists('exclude_categories', $settings) ? $settings['exclude_categories'] : []; |
| 54 |
$exclude_tags = array_key_exists('exclude_tags', $settings) ? $settings['exclude_tags'] : []; |
| 55 |
|
| 56 |
/** |
| 57 |
* Products |
| 58 |
*/ |
| 59 |
$args = [ |
| 60 |
'status' => 'publish', |
| 61 |
'limit' => -1, |
| 62 |
'orderby' => 'ID', |
| 63 |
'order' => 'ASC', |
| 64 |
// phpcs:ignore WordPress.DB.SlowDBQuery.slow_db_query_tax_query |
| 65 |
'tax_query' => [ |
| 66 |
'relation' => 'AND', |
| 67 |
[ |
| 68 |
'taxonomy' => 'product_cat', |
| 69 |
'field' => 'term_id', |
| 70 |
'terms' => $exclude_categories, |
| 71 |
'operator' => 'NOT IN', |
| 72 |
], |
| 73 |
[ |
| 74 |
'taxonomy' => 'product_tag', |
| 75 |
'field' => 'term_id', |
| 76 |
'terms' => $exclude_tags, |
| 77 |
'operator' => 'NOT IN', |
| 78 |
] |
| 79 |
], |
| 80 |
]; |
| 81 |
$products = wc_get_products($args); |
| 82 |
|
| 83 |
/** |
| 84 |
* Feed Namespace |
| 85 |
*/ |
| 86 |
$namespace = 'http://base.google.com/ns/1.0'; |
| 87 |
|
| 88 |
/** |
| 89 |
* Feed RSS |
| 90 |
*/ |
| 91 |
$rss = new \SimpleXMLElement("<?xml version='1.0' encoding='UTF-8'?><rss xmlns:g='{$namespace}'></rss>"); |
| 92 |
$rss->addAttribute('version', '2.0'); |
| 93 |
|
| 94 |
/** |
| 95 |
* Feed Channel |
| 96 |
*/ |
| 97 |
$channel = $rss->addChild('channel'); |
| 98 |
$channel->addChild('title', get_bloginfo('name')); |
| 99 |
if(!empty(get_bloginfo('description'))) { |
| 100 |
$channel->addChild('description', get_bloginfo('description')); |
| 101 |
} |
| 102 |
$channel->addChild('link', get_bloginfo('url')); |
| 103 |
|
| 104 |
/** |
| 105 |
* Feed Item |
| 106 |
*/ |
| 107 |
foreach ($products as $product) { |
| 108 |
$pro['id'] = $settings['product_identifier'] == 'post_id' ? $product->get_id() : $product->get_sku(); |
| 109 |
$pro['group_id'] = $pro['id']; |
| 110 |
$pro['title'] = $product->get_title(); |
| 111 |
$pro['desc'] = $settings['description_field'] == 'description' ? $product->get_description() : $product->get_short_description(); |
| 112 |
$pro['link'] = $product->get_permalink(); |
| 113 |
$pro['image_link'] = $this->get_image_link($product->get_id()); |
| 114 |
$pro['brand'] = $this->get_brand($product->get_id()); |
| 115 |
$pro['condition'] = $this->get_condition($product->get_id()); |
| 116 |
$pro['availability'] = $product->is_in_stock() ? 'in stock' : 'out of stock'; |
| 117 |
$pro['price'] = $this->get_price($product); |
| 118 |
$pro['extra_fields'] = $this->get_extra_fields($product); |
| 119 |
$pro['additional_images'] = $this->get_additional_images($product); |
| 120 |
$pro['google_product_category'] = empty( $settings['product_feed_gpc'] ) ? $product->get_attribute( 'google_product_category' ) : $settings['product_feed_gpc']; |
| 121 |
|
| 122 |
if($product->is_type('variable') && pixelavo_get_option('include_variations', 'pixelavo_settings') == 'on') { |
| 123 |
foreach ($product->get_available_variations() as $variation) { |
| 124 |
$pro['image_link'] = $this->get_image_link($product->get_id(), $variation); |
| 125 |
$pro['price'] = $this->get_price($product, $variation); |
| 126 |
$pro['availability'] = $variation['is_in_stock'] ? 'in stock' : 'out of stock'; |
| 127 |
$pro['link'] = !empty($variation['url']) ? $variation['url'] : $product->get_permalink(); |
| 128 |
$pro['additional_images'] = $this->get_additional_images($product, $variation); |
| 129 |
$this->feed_item($channel, $pro, $namespace, $variation); |
| 130 |
} |
| 131 |
} else { |
| 132 |
$this->feed_item($channel, $pro, $namespace); |
| 133 |
} |
| 134 |
} |
| 135 |
|
| 136 |
echo $rss->asXML(); // phpcs:ignore |
| 137 |
} |
| 138 |
|
| 139 |
/** |
| 140 |
* Feed item function |
| 141 |
*/ |
| 142 |
function feed_item($channel, $product, $namespace, $variation = false) { |
| 143 |
|
| 144 |
if($variation) { |
| 145 |
$product['id'] = $product['id'] . '-' . $variation['variation_id']; |
| 146 |
$product['title'] = $product['title'] . ' - ' . $this->get_variation_title($variation['attributes']); |
| 147 |
$product['extra_fields'] = array_merge($product['extra_fields'], $this->get_extra_fields(null,$variation['attributes'])); |
| 148 |
} |
| 149 |
|
| 150 |
$item = $channel->addChild('item'); |
| 151 |
$item->addChild("g:id", $product['id'], $namespace); |
| 152 |
$item->addChild("g:item_group_id", $product['group_id'], $namespace); |
| 153 |
$item->addChild("g:title", $product['title'], $namespace); |
| 154 |
$item->addChild("g:description", $product['desc'], $namespace); |
| 155 |
$item->addChild("g:availability", $product['availability'], $namespace); |
| 156 |
$item->addChild("g:condition", $product['condition'], $namespace); |
| 157 |
if($product['price']) { |
| 158 |
$item->addChild("g:price", $product['price'], $namespace); |
| 159 |
} |
| 160 |
$item->addChild("g:link", $product['link'], $namespace); |
| 161 |
if($product['image_link']) { |
| 162 |
$item->addChild("g:image_link", $product['image_link'], $namespace); |
| 163 |
} |
| 164 |
if(isset($product['google_product_category']) && !empty($product['google_product_category'])) { |
| 165 |
$item->addChild("g:google_product_category", $product['google_product_category'], $namespace); |
| 166 |
} |
| 167 |
if(!empty($product['brand'])) { |
| 168 |
$item->addChild("g:brand", $product['brand'], $namespace); |
| 169 |
} |
| 170 |
foreach ($product['extra_fields'] as $key => $value) { |
| 171 |
$item->addChild("g:{$key}", $value, $namespace); |
| 172 |
} |
| 173 |
foreach ($product['additional_images'] as $image) { |
| 174 |
$item->addChild("g:additional_image_link", $image, $namespace); |
| 175 |
} |
| 176 |
} |
| 177 |
|
| 178 |
/** |
| 179 |
* Get variation product title |
| 180 |
*/ |
| 181 |
function get_variation_title($variations) { |
| 182 |
if (is_array($variations)) { |
| 183 |
$variation_values = []; |
| 184 |
foreach ($variations as $variation) { |
| 185 |
if(!empty($variation)) { |
| 186 |
$variation_values[] = $variation; |
| 187 |
} |
| 188 |
} |
| 189 |
return '(' . implode( '-', $variation_values ) . ')'; |
| 190 |
} |
| 191 |
return ''; |
| 192 |
} |
| 193 |
|
| 194 |
/** |
| 195 |
* Get product thumbnail image link |
| 196 |
*/ |
| 197 |
function get_image_link($product_id, $variation = null) { |
| 198 |
// Try variation image first if provided and has an image |
| 199 |
if (is_array($variation) && !empty($variation['image_id'])) { |
| 200 |
$image = wp_get_attachment_image_src($variation['image_id'], 'single-post-thumbnail'); |
| 201 |
if ($image) { |
| 202 |
return $image[0]; |
| 203 |
} |
| 204 |
} |
| 205 |
// Fall back to parent product thumbnail |
| 206 |
$image = wp_get_attachment_image_src(get_post_thumbnail_id($product_id), 'single-post-thumbnail'); |
| 207 |
if ($image) { |
| 208 |
return $image[0]; |
| 209 |
} |
| 210 |
return false; |
| 211 |
} |
| 212 |
|
| 213 |
/** |
| 214 |
* Get brand name |
| 215 |
*/ |
| 216 |
function get_brand($product_id) { |
| 217 |
$brand_terms = wp_get_post_terms( $product_id, 'product_brand' ); |
| 218 |
if (!empty($brand_terms) && !is_wp_error($brand_terms)) { |
| 219 |
return $brand_terms[0]->name; |
| 220 |
} |
| 221 |
$settings = get_option('pixelavo_settings'); |
| 222 |
return isset($settings['product_feed_brand']) ? $settings['product_feed_brand'] : ''; |
| 223 |
} |
| 224 |
|
| 225 |
/** |
| 226 |
* Get product condition |
| 227 |
*/ |
| 228 |
function get_condition($product_id) { |
| 229 |
$condition = get_post_meta($product_id, '_product_condition', true); |
| 230 |
if (empty($condition)) { |
| 231 |
return 'new'; |
| 232 |
} |
| 233 |
return $condition; |
| 234 |
} |
| 235 |
|
| 236 |
/** |
| 237 |
* Get product price |
| 238 |
*/ |
| 239 |
function get_price($product, $variation = null) { |
| 240 |
$the_price = is_array($variation) ? $variation['display_price'] : wc_get_price_to_display( $product ); |
| 241 |
if ($the_price) { |
| 242 |
return $the_price . ' ' . get_woocommerce_currency(); |
| 243 |
} |
| 244 |
return false; |
| 245 |
} |
| 246 |
|
| 247 |
/** |
| 248 |
* Get product extra fields |
| 249 |
*/ |
| 250 |
function get_extra_fields($product, $variation = null) { |
| 251 |
$fields = ['color', 'gender', 'pattern', 'material', 'size']; |
| 252 |
$extra_fields = []; |
| 253 |
forEach ( $fields as $field ) { |
| 254 |
if ( isSet($variation[ 'attribute_pa_' . $field ]) && !empty($variation[ 'attribute_pa_' . $field ])) { |
| 255 |
$extra_fields[$field] = $variation[ 'attribute_pa_' . $field ]; |
| 256 |
} else if (isSet($product) && $product->get_attribute($field) && !empty($product->get_attribute($field))) { |
| 257 |
$extra_fields[$field] = $product->get_attribute($field); |
| 258 |
} |
| 259 |
} |
| 260 |
return $extra_fields; |
| 261 |
} |
| 262 |
|
| 263 |
/** |
| 264 |
* Get product categories |
| 265 |
*/ |
| 266 |
function get_categories($product) { |
| 267 |
$categories = get_the_terms($product->get_id(), 'product_cat'); |
| 268 |
$category_string = ''; |
| 269 |
if (!empty($categories)) { |
| 270 |
$categories = wp_list_sort($categories, ['parent' => 'ASC', 'name' => 'ASC'], 'ASC'); |
| 271 |
foreach ($categories as $category) { |
| 272 |
$category_string = empty($category_string) ? $category_string . $category->name : $category_string .' > '. $category->name; |
| 273 |
} |
| 274 |
} |
| 275 |
return $category_string; |
| 276 |
} |
| 277 |
|
| 278 |
/** |
| 279 |
* Get product additional images |
| 280 |
*/ |
| 281 |
function get_additional_images( $product, $variation = null ) { |
| 282 |
$images = []; |
| 283 |
/* Variation Image */ |
| 284 |
$variation_image = is_array($variation) ? wp_get_attachment_image_src($variation['image_id'], 'single-post-thumbnail') : false; |
| 285 |
if ($variation_image) { |
| 286 |
$images[] = $variation_image[0]; |
| 287 |
} |
| 288 |
/* Gallery Images */ |
| 289 |
$gallery_ids = $product->get_gallery_image_ids(); |
| 290 |
if (!empty($gallery_ids)) { |
| 291 |
foreach($gallery_ids as $gallery_id) { |
| 292 |
$images[] = wp_get_attachment_url($gallery_id); |
| 293 |
} |
| 294 |
} |
| 295 |
return array_unique($images); |
| 296 |
} |
| 297 |
|
| 298 |
} |
| 299 |
|
| 300 |
/** |
| 301 |
* Initialize PixelFeed Class |
| 302 |
*/ |
| 303 |
PixelFeed::instance(); |
| 304 |
|
