label = __( 'Star Rating', 'fwp' );
$this->fields = [];
}
/**
* Load the available choices
*/
function load_values( $params ) {
global $wpdb;
$facet = $params['facet'];
$from_clause = $wpdb->prefix . 'facetwp_index f';
// Facet in "OR" mode
$where_clause = $this->get_where_clause( $facet );
$output = [
1 => [ 'counter' => 0 ],
2 => [ 'counter' => 0 ],
3 => [ 'counter' => 0 ],
4 => [ 'counter' => 0 ],
5 => [ 'counter' => 0 ]
];
$sql = "
SELECT COUNT(*) AS `count`, FLOOR(f.facet_value) AS `rating`
FROM $from_clause
WHERE f.facet_name = '{$facet['name']}' AND FLOOR(f.facet_value) >= 1 $where_clause
GROUP BY rating";
$results = $wpdb->get_results( $sql );
foreach ( $results as $result ) {
$output[ $result->rating ]['counter'] = $result->count;
}
$total = 0;
// The lower rating should include higher rating counts
for ( $i = 5; $i > 0; $i-- ) {
$output[ $i ]['counter'] += $total;
$total = $output[ $i ]['counter'];
}
return $output;
}
/**
* Generate the facet HTML
*/
function render( $params ) {
$output = '';
$facet = $params['facet'];
$values = (array) $params['values'];
$selected_values = (array) $params['selected_values'];
$num_stars = 0;
foreach ( $values as $val ) {
if ( 0 < $val['counter'] ) {
$num_stars++;
}
}
if ( 0 < $num_stars ) {
$output .= '';
for ( $i = $num_stars; $i >= 1; $i-- ) {
$class = in_array( $i, $selected_values ) ? ' selected' : '';
$output .= '★';
}
$output .= '';
$output .= ' ';
$output .= ' ';
}
return $output;
}
/**
* Filter the query based on selected values
*/
function filter_posts( $params ) {
global $wpdb;
$facet = $params['facet'];
$selected_values = $params['selected_values'];
$selected_values = is_array( $selected_values ) ? $selected_values[0] : $selected_values;
$sql = "
SELECT DISTINCT post_id FROM {$wpdb->prefix}facetwp_index
WHERE facet_name = '{$facet['name']}' AND facet_value >= '$selected_values'";
return $wpdb->get_col( $sql );
}
/**
* Output front-end scripts
*/
function front_scripts() {
FWP()->display->json['rating']['& up'] = __( '& up', 'fwp-front' );
FWP()->display->json['rating']['Undo'] = __( 'Undo', 'fwp-front' );
}
}