$html_content,
'error' => $error,
'status_code' => $status_code
];
// Cache the result for 1 hour (3600 seconds) if no error
if (!$error && $status_code == 200) {
set_transient($cache_key, $result, 3600);
}
return $result;
}
/**
* Parse HTML content and extract product tiles
*
* @param string $html_content The HTML content to parse
* @param string $base_url The base URL for constructing links
* @return string Parsed HTML content
*/
function fwembed_parse_product_tiles($html_content, $base_url) {
$html = null;
libxml_use_internal_errors(true);
$dom = new DOMDocument();
@$dom->loadHTML(loadHTML5($html_content), LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD);
$dom->documentURI = $base_url;
$divs = $dom->getElementsByTagName('div');
foreach ($divs as $div) {
if ($div->hasAttribute('data-testid') && $div->getAttribute('data-testid') === 'product') {
$xpath = new DOMXPath($dom);
$tileLink = $xpath->query('.//a[contains(@class, "tile")]', $div);
$tileItem = $xpath->query('.//img[contains(@class, "tile__item--1")
and not(contains(@class, "badge"))
and not(contains(@class, "tile_options"))
and not(contains(@class, "tile__item--2"))]', $div);
$tileDesc = $xpath->query('.//*[contains(@class, "tile__description")
and not(contains(@class, "badge"))
and not(contains(@class, "tile_options"))]', $div);
$productHTML = '';
$linkHref = '';
if ($tileLink->length > 0) {
$linkHref = $tileLink->item(0)->getAttribute('href');
}
if ($tileItem->length > 0) {
$productHTML .= $dom->saveHTML($tileItem->item(0));
}
if ($tileDesc->length > 0) {
$productHTML .= $dom->saveHTML($tileDesc->item(0));
}
$html = $html . '';
}
}
libxml_clear_errors();
return $html;
}
function fwembed_parse_html($url = null) {
if ($url === null) {
throw new ValueError("Missing URL");
}
$result = fwembed_make_request($url);
if ($result['error']) {
return "Error fetching URL: " . $result['error'];
}
return fwembed_parse_product_tiles($result['content'], $url);
}
function loadHTML5($html) {
return '' . $html . '';
}
function fwembed_shortcode( $atts ) {
$options = get_option( 'fourthwall_settings_name' );
$value = isset( $options['fourth_url'] ) ? $options['fourth_url'] : 'https://fourthwall.com';
$store_html = fwembed_parse_html($value);
$store_render = '' . PHP_EOL . $store_html . PHP_EOL . '
';
return $store_render;
}
/**
* Parse HTML content and extract single product information
*
* @param string $html_content The HTML content to parse
* @param string $url The product URL
* @param bool $show_description Whether to show product description
* @return string Parsed HTML content
*/
function fwembed_parse_single_product($html_content, $url, $show_description = false) {
$html = null;
libxml_use_internal_errors(true);
$dom = new DOMDocument();
@$dom->loadHTML(loadHTML5($html_content), LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD);
$dom->documentURI = $url;
$xpath = new DOMXPath($dom);
// Extract product information
$productTitle = $xpath->query('//h1[@class="product-info__title"]');
$productPrice = $xpath->query('//span[@class="product-info__price product-info__price--original"]');
$productImage = $xpath->query('//div[@data-gallery="gallery-slide"][1]//img[@class="gallery__image-object"]');
$productDesc = $xpath->query('//div[@class="product-info__description"]//div[@class="html-formatter"]');
if ($productTitle->length > 0 && $productImage->length > 0) {
$title = $productTitle->item(0)->textContent;
$price = $productPrice->length > 0 ? $productPrice->item(0)->textContent : '';
// Get image attributes
$imageNode = $productImage->item(0);
$imageSrc = $imageNode->getAttribute('src');
$imageAlt = $imageNode->getAttribute('alt');
// Build the HTML
$html = '';
}
libxml_clear_errors();
return $html;
}
function fwembed_parse_html_single($url = null, $show_description = false) {
if ($url === null) {
throw new ValueError("Missing URL");
}
$result = fwembed_make_request($url);
if ($result['error']) {
return "Error fetching URL: " . $result['error'];
}
return fwembed_parse_single_product($result['content'], $url, $show_description);
}
function fwembed_single_shortcode($atts) {
$atts = shortcode_atts(
array(
'url' => '',
'show_description' => 'false',
),
$atts
);
if (empty($atts['url'])) {
return 'Error: URL is required for [fourthwall_single] shortcode
';
}
// Convert string 'true'/'false' to boolean
$show_description = filter_var($atts['show_description'], FILTER_VALIDATE_BOOLEAN);
$product_html = fwembed_parse_html_single($atts['url'], $show_description);
return '' . PHP_EOL . $product_html . PHP_EOL . '
';
}
add_shortcode('fourthwall_single', 'fwembed_single_shortcode');
add_shortcode( 'fourthwall', 'fwembed_shortcode' );
add_shortcode( 'fourthwall_random', 'fwembed_random_shortcode' );
/**
* Extract all product URLs from a store page
*
* @param string $html_content The HTML content to parse
* @param string $base_url The base URL for constructing links
* @return array Array of product URLs
*/
function fwembed_extract_product_urls($html_content, $base_url) {
$product_urls = array();
libxml_use_internal_errors(true);
$dom = new DOMDocument();
@$dom->loadHTML(loadHTML5($html_content), LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD);
$dom->documentURI = $base_url;
$divs = $dom->getElementsByTagName('div');
foreach ($divs as $div) {
if ($div->hasAttribute('data-testid') && $div->getAttribute('data-testid') === 'product') {
$xpath = new DOMXPath($dom);
$tileLink = $xpath->query('.//a[contains(@class, "tile")]', $div);
if ($tileLink->length > 0) {
$linkHref = $tileLink->item(0)->getAttribute('href');
$full_url = $base_url . $linkHref;
$product_urls[] = $full_url;
}
}
}
libxml_clear_errors();
return $product_urls;
}
/**
* Get random products from store or specified URLs
*
* @param string $store_url The store URL to fetch products from (optional if urls provided)
* @param array $urls Array of specific product URLs to randomize from
* @param int $count Number of products to display
* @return string HTML content of random products
*/
function fwembed_get_random_products($store_url = null, $urls = array(), $count = 3) {
$product_urls = array();
// If specific URLs are provided, use those
if (!empty($urls)) {
$product_urls = $urls;
}
// Otherwise, fetch all products from the store
elseif ($store_url) {
$result = fwembed_make_request($store_url);
if ($result['error']) {
return "Error fetching store URL: " . $result['error'];
}
$product_urls = fwembed_extract_product_urls($result['content'], $store_url);
} else {
return "Error: Either store URL or product URLs must be provided";
}
// Shuffle the URLs to randomize
shuffle($product_urls);
// Limit to requested count
$selected_urls = array_slice($product_urls, 0, $count);
$html = '';
foreach ($selected_urls as $url) {
$product_html = fwembed_parse_html_single($url, false);
if ($product_html && !strpos($product_html, 'Error fetching URL')) {
$html .= $product_html;
}
}
return $html;
}
function fwembed_random_shortcode($atts) {
$atts = shortcode_atts(
array(
'count' => '3',
'urls' => '',
'store_url' => '',
),
$atts
);
$count = intval($atts['count']);
if ($count <= 0) {
$count = 3;
}
$urls = array();
if (!empty($atts['urls'])) {
// Split URLs by comma and clean them up
$url_array = explode(',', $atts['urls']);
foreach ($url_array as $url) {
$clean_url = trim($url);
if (!empty($clean_url)) {
$urls[] = $clean_url;
}
}
}
$store_url = '';
if (!empty($atts['store_url'])) {
$store_url = trim($atts['store_url']);
} else {
// Use default store URL from settings if no store_url provided
$options = get_option('fourthwall_settings_name');
$store_url = isset($options['fourth_url']) ? $options['fourth_url'] : '';
}
$products_html = fwembed_get_random_products($store_url, $urls, $count);
if (empty($products_html)) {
return 'No products found to display.
';
}
return '' . PHP_EOL . $products_html . PHP_EOL . '
';
}