93 lines
2.2 KiB
PHP
93 lines
2.2 KiB
PHP
<?php
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/**
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* Class WPML_TF_Rating_Average
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*
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* @author OnTheGoSystems
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*/
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class WPML_TF_Post_Rating_Metrics {
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const QUANTITY_KEY = 'wpml_tf_post_rating_quantity';
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const AVERAGE_KEY = 'wpml_tf_post_rating_average';
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/** @var wpdb $wpdb */
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private $wpdb;
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public function __construct( wpdb $wpdb ) {
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$this->wpdb = $wpdb;
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}
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/**
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* @param int $post_id
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*
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* @return string
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*/
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public function get_display( $post_id ) {
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$quantity = (int) get_post_meta( $post_id, self::QUANTITY_KEY, true );
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if ( 0 === $quantity ) {
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return '';
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}
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$average = get_post_meta( $post_id, self::AVERAGE_KEY, true );
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$title = sprintf( __( 'Average rating - %s', 'sitepress' ), $average );
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$stars = round( $average );
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$url = admin_url( 'admin.php?page=' . WPML_TF_Backend_Hooks::PAGE_HOOK . '&post_id=' . $post_id );
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$output = '<div class="wpml-tf-rating" title="' . esc_attr( $title ) . '"><a href="'. esc_url( $url ) . '">';
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for ( $i = 1; $i < 6; $i++ ) {
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$output .= '<span class="otgs-ico-star';
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if ( $i <= $stars ) {
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$output .= ' full-star';
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}
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$output .= '"></span>';
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}
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$output .= '</a> <span class="rating-quantity">(' . esc_html( $quantity ) . ')</span></div>';
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return $output;
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}
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/** @param int $post_id */
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public function refresh( $post_id ) {
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$document_id_key = WPML_TF_Data_Object_Storage::META_PREFIX . 'document_id';
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$rating_key = WPML_TF_Data_Object_Storage::META_PREFIX . 'rating';
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$subquery = $this->wpdb->prepare(
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"SELECT post_id FROM {$this->wpdb->postmeta}
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WHERE meta_key = %s AND meta_value = %d",
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$document_id_key,
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$post_id
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);
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$query = $this->wpdb->prepare(
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"SELECT meta_value FROM {$this->wpdb->postmeta}
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WHERE meta_key = %s AND post_id IN( {$subquery} )",
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$rating_key
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);
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$ratings = $this->wpdb->get_results( $query );
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if ( $ratings ) {
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$total = 0;
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foreach ( $ratings as $rating ) {
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$total += (int) $rating->meta_value;
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}
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$quantity = count( $ratings );
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$average = round( $total / $quantity, 1 );
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update_post_meta( $post_id, self::QUANTITY_KEY, $quantity );
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update_post_meta( $post_id, self::AVERAGE_KEY, $average );
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} else {
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delete_post_meta( $post_id, self::QUANTITY_KEY );
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delete_post_meta( $post_id, self::AVERAGE_KEY );
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}
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}
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}
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