settings->is_seo_enabled ) {
return;
}
add_action( 'parse_request', array( $this, 'init_SEO_rules' ) );
add_filter( 'jet-smart-filters/filters/localized-data', array( $this, 'seo_localized_data' ) );
add_filter( 'jet-smart-filters/render/ajax/data', array( $this, 'add_ajax_response_data' ) );
}
public function init_SEO_rules() {
if ( ! isset( $_REQUEST['jsf'] ) || jet_smart_filters()->query->is_ajax_filter() || ! $this->get_current_rules() ) {
return;
}
add_filter( 'document_title', array( $this, 'modify_document_title' ) );
add_action( 'wp_head', array( $this, 'modify_document_description' ), 1 );
add_action( 'wp_head', array( $this, 'modify_canonical_url' ), 1 );
}
public function modify_document_title( $title ) {
$current_title = $this->get_current_title();
if ( ! $current_title ) {
return $title;
}
$title .= ( $title ? ' | ' : '') . strip_tags( $current_title );
return $title;
}
public function modify_document_description() {
$current_description = $this->get_current_description();
if ( ! $current_description ) {
return;
}
echo '' . "\n";
}
public function modify_canonical_url( $canonical ) {
$filter_applied = false;
foreach ( $this->get_current_rules() as $rule ) {
foreach ( $rule['filters'] as $filter_id ) {
if ( $this->get_filter_current_val( $filter_id ) ) {
$filter_applied = true;
break;
}
}
}
if ( ! $filter_applied ) {
return;
}
remove_action( 'wp_head', 'rel_canonical' );
echo '';
}
public function get_rules( $page_url, $provider, $query_id = '' ) {
$rules = array();
if ( ! $page_url && ! $provider ) {
return $rules;
}
foreach( jet_smart_filters()->seo->sitemap->rules as $item ) {
$item_url = trim($item['url'], '/');
if (
$item_url === $page_url
&& $item['provider'] === $provider
&& $item['query_id'] === $query_id
) {
$rules[] = $item;
}
}
return $rules;
}
public function replaceMacros( $text ) {
return preg_replace_callback(
'/\{\{filter_(\d+)(?:::(.*?))?(?:::(.*?))?(?:::(.*?))?(?:::(.*?))?(?:::(.*?))?\}\}/',
function ( $matches ) {
// Extract parameters with default values if they are empty
$filter_id = $matches[1];
$text_before = isset( $matches[2] ) && $matches[2] !== '' ? $matches[2] : '';
$text_after = isset( $matches[3] ) && $matches[3] !== '' ? $matches[3] : '';
$fallback = isset( $matches[4] ) && $matches[4] !== '' ? $matches[4] : '';
$delimiter = isset( $matches[5] ) && $matches[5] !== '' ? $matches[5] : ', ';
$last_delimiter = isset( $matches[6] ) && $matches[6] !== '' ? $matches[6] : $delimiter;
$options = $this->get_filter_current_val( $filter_id );
if ( ! $options ) {
return $fallback;
}
$optionCount = count( $options );
if ( $optionCount > 1 ) {
$options_string = implode( $delimiter, array_slice( $options, 0, -1 ) )
. "$last_delimiter"
. end( $options );
} else {
$options_string = reset( $options );
}
$result_text =
( $text_before ? $text_before . " " : "" )
. $options_string .
( $text_after ? " " . $text_after : "" );
return $result_text;
},
$text
);
}
public function get_filter_current_val( $filter_id ) {
$filter_current_val = array();
$filter_instance = jet_smart_filters()->filter_types->get_filter_instance( $filter_id );
if ( ! $filter_instance ) {
return $filter_current_val;
}
$filter_args = $filter_instance->args;
$filter_options = $filter_args['options'];
$current_val = array();
foreach ( $this->get_current_query() as $key => $value ) {
if ( strpos( $key, "_{$filter_args['query_type']}_{$filter_args['query_var']}" ) !== 0 ) {
continue;
}
if ( is_array( $value ) ) {
$current_val = $value;
} else {
array_push( $current_val, $value );
}
}
if ( empty( $current_val ) ) {
return $filter_current_val;
}
if ( $current_val && $filter_options ) {
foreach ( $filter_options as $optionKey => $optionValue ) {
$value = null;
$label = null;
if ( is_object( $optionValue ) ) {
if ( isset( $optionValue->name ) && isset( $optionValue->term_id ) ) {
$value = $optionValue->term_id;
$label = $optionValue->name;
}
} else if ( is_array( $optionValue ) ) {
if ( isset( $optionValue['value'] ) && isset( $optionValue['label'] ) ) {
$value = $optionValue['value'];
$label = $optionValue['label'];
} else {
$value = $optionKey;
$label = $optionValue['label']
? $optionValue['label']
: $optionValue;
}
} else {
if ( ! empty( $optionKey ) && ! empty( $optionValue ) ) {
$value = $optionKey;
$label = $optionValue;
}
}
if ( $value && $label && in_array( $value, $current_val ) ) {
$filter_current_val[$value] = $label;
}
}
}
$max_filter_options_to_show = apply_filters( 'jet-smart-filters/seo/max-filters-options-to-show', 5, $filter_id );
return $max_filter_options_to_show > 0
? array_slice( $filter_current_val, 0, $max_filter_options_to_show )
: $filter_current_val;
}
public function seo_localized_data( $data ) {
$data['seo'] = array(
'current_page' => $this->get_current_page_url(),
'selectors' => array(
'title' => '.' . $this->title_class,
'description' => '.' . $this->description_class,
)
);
return $data;
}
public function add_ajax_response_data( $args ) {
if ( ! $this->get_current_rules() ) {
return $args;
}
$is_title = isset( $_REQUEST['seo']['is_title_enabled'] )
? filter_var( $_REQUEST['seo']['is_title_enabled'], FILTER_VALIDATE_BOOLEAN )
: false;
$is_description = isset( $_REQUEST['seo']['is_description_enabled'] )
? filter_var( $_REQUEST['seo']['is_description_enabled'], FILTER_VALIDATE_BOOLEAN )
: false;
if ( $is_title || $is_description ) {
$args['seo'] = array();
}
if ( $is_title ) {
$args['seo']['title'] = wp_kses_post( $this->get_current_title() );
}
if ( $is_description ) {
$args['seo']['description'] = wp_kses_post( $this->get_current_description() );
}
return $args;
}
// Getters
public function get_current_page_url() {
if ( $this->current_page_url ) {
return $this->current_page_url;
}
global $wp;
$this->current_page_url = $wp->request;
if ( isset( $_REQUEST['seo']['current_page'] ) ) {
$this->current_page_url = $_REQUEST['seo']['current_page'];
} else if ( jet_smart_filters()->settings->url_structure_type === 'permalink' ) {
$this->current_page_url = preg_replace( '/\/jsf\/.*/', '', $this->current_page_url );
}
if ( $this->current_page_url ) {
$this->current_page_url = trim( $this->current_page_url, '/' );
}
return $this->current_page_url;
}
public function get_current_provider_data() {
if ( $this->current_provider_data ) {
return $this->current_provider_data;
}
if ( isset( $_REQUEST['action'] ) && $_REQUEST['action'] === 'jet_smart_filters' && ! empty( $_REQUEST['provider'] ) ) {
$this->current_provider_data = explode( '/', $_REQUEST['provider'] );
if ( isset( $this->current_provider_data[1] ) && $this->current_provider_data[1] === 'default' ) {
unset( $this->current_provider_data[1] );
}
} else if ( ! empty( $_REQUEST['jsf'] ) ) {
$this->current_provider_data = explode( ':', $_REQUEST['jsf'] );
} else {
$this->current_provider_data = array();
}
return $this->current_provider_data;
}
public function get_current_query() {
if ( $this->current_query ) {
return $this->current_query;
}
$this->current_query = array();
$queries = array( 'tax_query', 'meta_query' );
$request = $_REQUEST;
if ( jet_smart_filters()->query->is_ajax_filter() ) {
$request = isset( $request['query'] )
? $request['query']
: array();
}
foreach ( $queries as $query_type ) {
foreach ( $request as $key => $value ) {
if ( strpos( $key, "_{$query_type}_" ) !== 0 ) {
continue;
}
$this->current_query[$key] = $value;
}
}
return $this->current_query;
}
public function get_current_rules() {
if ( $this->current_rules ) {
return $this->current_rules;
}
$provider_data = $this->get_current_provider_data();
$provider = isset( $provider_data[0] ) ? $provider_data[0] : '';
$query_id = isset( $provider_data[1] ) ? $provider_data[1] : '';
$this->current_rules = $this->get_rules( $this->get_current_page_url(), $provider, $query_id );
return $this->current_rules;
}
public function get_current_title() {
if ( $this->current_title ) {
return $this->current_title;
}
$this->current_title = '';
if ( ! $this->get_current_query() ) {
return $this->current_title;
}
foreach ( $this->get_current_rules() as $rule ) {
if ( ! empty( $rule['title'] ) ) {
$this->current_title .= ( $this->current_title ? ' ' : '' ) . $rule['title'];
}
}
$this->current_title = $this->replaceMacros( $this->current_title );
return $this->current_title;
}
public function get_current_description() {
if ( $this->current_description ) {
return $this->current_description;
}
$this->current_description = '';
if ( ! $this->get_current_query() ) {
return $this->current_description;
}
foreach ( $this->get_current_rules() as $rule ) {
if ( ! empty( $rule['description'] ) ) {
$this->current_description .= ( $this->current_description ? ' ' : '' ) . $rule['description'];
}
}
$this->current_description = $this->replaceMacros( $this->current_description );
return $this->current_description;
}
}
}