<?php
if (!defined('ABSPATH')) {
exit; // Exit if accessed directly
}
class WOOF_SEO {
protected $no_index_search = false;
protected $rules = array();
protected $curr_url = '';
protected $current_rule = array();
protected $current_replace_vars = array();
public function __construct($rules, $url) {
if (is_admin() && (!defined('DOING_AJAX') || !DOING_AJAX )) {
return false;
}
$this->rules = $rules;
$this->curr_url = $url;
if (isset(woof()->woof_settings['woof_url_request']['page_index'])) {
$this->no_index_search = woof()->woof_settings['woof_url_request']['page_index'];
}
$this->special_filters = array(
'instock' => array('stock' => 'instock'),
'onsale' => array('onsales' => 'salesonly'),
'featured' => array('product_visibility' => 'featured'),
'backorder_not_in' => array('backorder' => 'onbackorder'),
);
add_action('wp_head', array($this, 'meta_head'), 1);
add_filter('woocommerce_page_title', array($this, 'set_h1'));
// add_filter( 'wp_title', array( $this, 'set_title'), 999999,3 );
// add_filter('document_title_parts', array($this, 'set_title'), 9999, 2);
add_filter('pre_get_document_title', array($this, 'pre_get_document_title'), 999);
add_filter('the_title', array($this, 'set_page_title'), 10000, 2);
add_filter('wp_robots', array($this, 'wp_robots'));
add_filter('woocommerce_after_shop_loop', array($this, 'add_seo_text'), 99999);
//remove_action( 'wp_head', 'rel_canonical' );
remove_action('wp_head', 'index_rel_link');
remove_action('wp_head', 'start_post_rel_link');
remove_action('wp_head', 'gutenberg_render_title_tag', 1);
//for ajax
add_filter('woof_draw_products_get_args', array($this, 'ajax_page_title'), 100, 2);
}
public function check_search_rules() {
$rules = $this->rules;
$current_url = $this->curr_url;
if ($this->current_rule) {
return $this->current_rule;
}
foreach ($rules as $key => $rule_data) {
if (isset($rule_data['url'])) {
$needle = array('{any}', '/');
$replase = array('.*', '\/');
$url = str_replace($needle, $replase, $rule_data['url']);
preg_match('/' . $url . '/', $current_url, $matches);
if ($matches) {
$this->current_rule = $rule_data;
break;
}
}
}
return $this->current_rule;
}
public function is_search_going() {
$is_search = false;
if (woof()->is_isset_in_request_data(woof()->get_swoof_search_slug())) {
$is_search = true;
}
return $is_search;
}
public function do_index() {
$do_index = $this->no_index_search;
if ($this->check_search_rules()) {
$do_index = true;
}
return $do_index;
}
public function ajax_page_title($get, $link) {
$this->curr_url = $link;
$rule = $this->check_search_rules();
if ($rule) {
if (!isset($rule['title'])) {
$rule['title'] = '';
}
if (!isset($rule['h1'])) {
$rule['h1'] = '';
}
//$rule['title'] = apply_filters('woof_seo_meta_title', $this->replace_vars($rule['title'], $this->get_current_replace_vars()));
$title = apply_filters('woof_seo_h1', $this->replace_vars($rule['h1'], $this->get_current_replace_vars()));
$get["woof_redraw_elements"]['.entry-title'] = sprintf('<h1 class="entry-title">%s</h1>', $title);
$get["woof_redraw_elements"]['.woocommerce-products-header__title'] = sprintf('<h1 class="woocommerce-products-header__title page-title">%s</h1>', $title);
}
return $get;
}
public function meta_head() {
//show meta desc title
$rule = $this->check_search_rules();
if (!$rule) {
return false;
}
//title
if (!isset($rule['title']) || !$rule['title']) {
$rule['title'] = wp_get_document_title();
}
if (!isset($rule['description'])) {
$rule['description'] = '';
}
// $rule['title'] = apply_filters('woof_seo_meta_title', $this->replace_vars($rule['title'], $this->get_current_replace_vars()));
$rule['description'] = apply_filters('woof_seo_meta_description', $this->replace_vars($rule['description'], $this->get_current_replace_vars()));
if ($rule['description']) {
echo sprintf('<meta name="description" content="%s" />', esc_attr($rule['description'])) . "\r\n";
}
}
public function pre_get_document_title($title) {
$rule = $this->check_search_rules();
if ($rule) {
$title = apply_filters('woof_seo_meta_title', $this->replace_vars($rule['title'], $this->get_current_replace_vars()));
}
return $title;
}
public function set_title($title, $sep = '-', $seplocation = '') {
$rule = $this->check_search_rules();
if ($rule) {
if (isset($rule['title']) AND $rule['title']) {
$title['title'] = apply_filters('woof_seo_meta_title', $this->replace_vars($rule['title'], $this->get_current_replace_vars()));
}
}
return $title;
}
public function set_page_title($title, $id) {
$rule = $this->check_search_rules();
if ($rule && is_page($id)) {
if (isset($rule['h1']) AND $rule['h1']) {
$title = apply_filters('woof_seo_h1', $this->replace_vars($rule['h1'], $this->get_current_replace_vars()));
}
}
return $title;
}
public function set_h1($title) {
$rule = $this->check_search_rules();
if ($rule) {
if (isset($rule['h1']) AND $rule['h1']) {
$title = apply_filters('woof_seo_h1', $this->replace_vars($rule['h1'], $this->get_current_replace_vars()));
}
}
return $title;
}
public function replace_vars($string, $replace_vars) {
foreach ($replace_vars as $key => $var) {
$string = str_replace('{' . $key . '}', $var, $string);
}
$string = preg_replace('/\{[a-zA-Z0-9_\W]+?\}/m', '', $string);
return $string;
}
public function get_current_replace_vars() {
if (!count($this->current_replace_vars)) {
$replace_vars = array();
$request = woof()->get_request_data();
$taxonomies = woof()->get_taxonomies();
$settings = woof()->settings;
foreach ($request as $key => $val) {
if ('product_visibility' == $key) {
$key = 'featured';
}
if (isset($taxonomies[$key]) AND 'product_visibility' != $key) {
$replace_vars[$key . '_title'] = WOOF_HELPER::wpml_translate($taxonomies[$key]);
$slugs = explode(',', $val);
$terms = get_terms(array(
'taxonomy' => $taxonomies[$key]->name,
'slug' => $slugs,
'fields' => 'names'
));
$replace_vars[$key] = implode(', ', $terms);
} elseif (class_exists('WOOF_META_FILTER') AND WOOF_META_FILTER::get_meta_filter_name($key)) {
$replace_vars[$key . '_title'] = WOOF_META_FILTER::get_meta_filter_name($key);
$replace_vars[$key] = WOOF_META_FILTER::get_meta_filter_option_name($key, $val);
} elseif ($key == 'min_price') {
$f_key = 'by_price';
$replace_vars[$f_key . '_title'] = esc_html__("Price", 'woocommerce-products-filter');
$from = wc_price((float) $val);
$to = '';
if (isset($request['max_price'])) {
$to = wc_price((float) $request['max_price']);
}
$replace_vars[$f_key] = esc_html__("from", 'woocommerce-products-filter') . ' ' . $from;
if ($to) {
$replace_vars[$f_key] .= ' ' . esc_html__("to", 'woocommerce-products-filter') . ' ' . $to;
}
} else {
if (!empty(WOOF_EXT::$includes['html_type_objects'])) {
foreach (WOOF_EXT::$includes['html_type_objects'] as $obj) {
if ($obj->index == $key) {
$f_key = $obj->html_type;
$title = '';
$value = '';
if (isset(WOOF_EXT::$includes['js_lang_custom'][$key])) {
$title = apply_filters('woof_ext_custom_title_' . $f_key, WOOF_EXT::$includes['js_lang_custom'][$key]);
}
if ('by_author' == $f_key) {
$user = get_user_by('id', (int) $val);
if (is_object($user)) {
$value = $user->display_name;
}
} elseif ('by_rating' == $f_key) {
$vals = array(
0 => esc_html__('Filter by rating', 'woocommerce-products-filter'),
4 => esc_html__('average rating between 4 to 5', 'woocommerce-products-filter'),
3 => esc_html__('average rating between 3 to 4-', 'woocommerce-products-filter'),
2 => esc_html__('average rating between 2 to 3-', 'woocommerce-products-filter'),
1 => esc_html__('average rating between 1 to 2-', 'woocommerce-products-filter')
);
if (isset($vals[$val])) {
$value = $vals[$val];
}
} elseif ('by_sku' == $f_key OR 'by_text' == $f_key OR 'by_text_2' == $f_key) {
$value = '"' . $val . '"';
} else {
$value = $title;
}
$replace_vars[$f_key] = $value;
$replace_vars[$f_key . '_title'] = $title;
}
}
}
}
}
$this->current_replace_vars = $replace_vars;
}
return apply_filters('woof_seo_request_literals', $this->current_replace_vars);
}
public function wp_robots($robots) {
if ($this->is_search_going()) {
if ($this->do_index()) {
$robots['index'] = true;
$robots['follow'] = true;
$robots['noindex'] = false;
$robots['nofollow'] = false;
} else {
$robots['noindex'] = true;
$robots['nofollow'] = true;
$robots['index'] = false;
$robots['follow'] = false;
}
}
return $robots;
}
public function add_seo_text() {
$rule = $this->check_search_rules();
if (!isset($rule['text'])) {
return;
}
$txt = apply_filters('woof_seo_text', $this->replace_vars($rule['text'], $this->get_current_replace_vars()));
if (!empty($txt)) {
echo '<div class="woof_seo_text">' . wp_kses_post(wp_unslash($txt)) . "</div>\r\n";
}
}
}