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@ihslimn
Last active October 7, 2022 11:50
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JE_Query_Filter_Options_Generator
<?php
class JE_Query_Filter_Options_Generator {
public function __construct() {
add_action( 'plugins_loaded', array( $this, 'maybe_add_filters' ) );
}
public function maybe_add_filters() {
if ( ! function_exists( 'jet_engine' ) ) {
return;
}
add_filter( 'jet-smart-filters/post-type/meta-fields-settings', array( $this, 'add_options_to_list' ) );
add_filter( 'jet-smart-filters/filters/filter-options', array( $this, 'apply_filter_options' ), 9999, 3 );
}
public function add_options_to_list( $fields ) {
$queries = array(
'' => __( 'Select query...', 'jet-engine' ),
);
$queries = $queries + Jet_Engine\Query_Builder\Manager::instance()->get_queries_for_options();
$insert = array(
'_je_query_use_query' => array(
'title' => __( 'Use JetEngine Query to generate options from', 'jet-smart-filters' ),
'type' => 'switcher',
'element' => 'control',
'conditions' => array(
'_filter_type' => array( 'checkboxes', 'radio', 'select' ),
),
),
'_je_query_id' => array(
'title' => __( 'Select query', 'jet-engine' ),
'type' => 'select',
'element' => 'control',
'options' => $queries,
'conditions' => array(
'_filter_type' => array( 'checkboxes', 'select', 'radio' ),
'_je_query_use_query' => 'true',
),
),
'_je_query_value' => array(
'title' => __( 'Property to get value from', 'jet-engine' ),
'type' => 'text',
'value' => 'ID',
'element' => 'control',
'conditions' => array(
'_filter_type' => array( 'checkboxes', 'select', 'radio' ),
'_je_query_use_query' => 'true',
),
),
'_je_query_label' => array(
'title' => __( 'Property to get label from', 'jet-engine' ),
'type' => 'text',
'value' => 'post_title',
'element' => 'control',
'conditions' => array(
'_filter_type' => array( 'checkboxes', 'select', 'radio' ),
'_je_query_use_query' => 'true',
),
),
);
return $this->je_insert_after( $fields, '_source_post_type', $insert );
}
public function apply_filter_options( $options, $filter_id, $filter ) {
$use_query = get_post_meta( $filter_id, '_je_query_use_query', true );
$use_query = filter_var( $use_query, FILTER_VALIDATE_BOOLEAN );
if ( ! $use_query ) {
return $options;
}
$query_id = get_post_meta( $filter_id, '_je_query_id', true );
if ( ! $query_id ) {
return $options;
}
$query = Jet_Engine\Query_Builder\Manager::instance()->get_query_by_id( $query_id );
if ( ! $query ) {
return $options;
}
$value_prop = get_post_meta( $filter_id, '_je_query_value', true );
$label_prop = get_post_meta( $filter_id, '_je_query_label', true );
$objects = $query->get_items();
$new_options = array();
foreach ($objects as $object) {
$value = isset( $object->$value_prop ) ? $object->$value_prop : false;
$label = isset( $object->$label_prop ) ? $object->$label_prop : false;
if ( $value && $label && ! isset( $new_options[ $value ] ) ) {
$new_options[ $value ] = $label;
}
}
$type = get_post_meta( $filter_id, '_filter_type', true );
switch( $type ) {
case 'select':
$placeholder = get_post_meta( $filter_id, '_placeholder', true );
if ( ! $placeholder ) {
$placeholder = __( 'Select...', 'jet-engine' );
}
$new_options = array( '' => $placeholder ) + $new_options;
break;
case 'radio':
case 'checkboxes':
$source = get_post_meta( $filter_id, '_data_source', true );
if ( $source === 'taxonomies' ) {
$tax = get_post_meta( $filter_id, '_source_taxonomy', true );
$by_parents = get_post_meta( $filter_id, '_group_by_parent', true );
$by_parents = filter_var( $by_parents, FILTER_VALIDATE_BOOLEAN );
if ( $by_parents ) {
foreach ( $new_options as $term_id => $term_name ) {
$term = get_term( $term_id, $tax );
if ( ! $term || is_wp_error( $term ) ) {
continue;
}
$new_options[$term_id] = $term;
}
}
}
if ( $type === 'radio' ) {
$add_all_option = filter_var( get_post_meta( $filter_id, '_add_all_option', true ), FILTER_VALIDATE_BOOLEAN );
$all_option_label = $add_all_option ? get_post_meta( $filter_id, '_all_option_label', true ) : false;
if ( $all_option_label ) {
if ( true === $by_parents ) {
$all_option = (object) array(
'term_id' => 'all',
'name' => htmlspecialchars( $all_option_label )
);
} else {
$all_option = htmlspecialchars( $all_option_label );
}
$new_options = array( 'all' => $all_option ) + $new_options;
}
}
break;
}
return $new_options;
}
public function je_insert_after( $source = array(), $after = null, $insert = array() ) {
$keys = array_keys( $source );
$index = array_search( $after, $keys );
if ( ! $source ) {
$source = array();
}
if ( false === $index ) {
return $source + $insert;
}
$offset = $index + 1;
return array_slice( $source, 0, $offset, true ) + $insert + array_slice( $source, $offset, null, true );
}
}
new JE_Query_Filter_Options_Generator();
<?php
class Taxonomy_Filter_Manual_Options {
public function __construct() {
add_filter( 'jet-smart-filters/query/final-query', array( $this, 'modify_query' ) );
add_filter( 'jet-smart-filters/query/meta-query-row', array( $this, 'clear_meta_row' ) );
}
public function modify_query( $query ) {
if ( isset( $query['tax_query'] ) ) {
foreach ( $query['tax_query'] as $index => $item ) {
if ( is_array( $item ) && false !== strpos( $item['taxonomy'], '_meta_query_' ) ) {
$query['tax_query'][$index]['taxonomy'] = str_replace( '_meta_query_', '', $item['taxonomy'] );
}
}
}
return $query;
}
public function clear_meta_row( $row ) {
if ( false !== strpos( $row['key'], '_tax_query_' ) ) {
$row = array();
}
return $row;
}
}
new Taxonomy_Filter_Manual_Options();
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