first commit

wp-content/plugins/powerkit/modules/post-views/helpers/query-powerkit-post-views.php

@@ -0,0 +1,90 @@
+<?php
+/**
+ * Post Views Query
+ *
+ * @package    Powerkit
+ * @subpackage Modules/Query
+ */
+
+class Powerkit_Post_Views_Query {
+
+	/**
+	 * Construct.
+	 */
+	public function __construct() {
+		add_action( 'pre_get_posts', array( $this, 'extend_pre_query' ), 1 );
+		add_filter( 'posts_join', array( $this, 'posts_join' ), 10, 2 );
+		add_filter( 'posts_groupby', array( $this, 'posts_groupby' ), 10, 2 );
+		add_filter( 'posts_orderby', array( $this, 'posts_orderby' ), 10, 2 );
+	}
+
+	/**
+	 * Extend query with post_views orderby parameter.
+	 *
+	 * @param object $query The query.
+	 */
+	public function extend_pre_query( $query ) {
+		if ( isset( $query->query_vars['orderby'] ) && 'pk_post_views' === $query->query_vars['orderby'] ) {
+			$query->pk_post_views = true;
+		}
+	}
+
+	/**
+	 * Modify the db query to use post_views parameter.
+	 *
+	 * @param string $join  The join.
+	 * @param object $query The query.
+	 */
+	public function posts_join( $join, $query ) {
+
+		if ( isset( $query->pk_post_views ) && $query->pk_post_views ) {
+			global $wpdb;
+
+			$join .= ' LEFT JOIN ' . $wpdb->prefix . 'pk_post_views ON ' . $wpdb->prefix . 'pk_post_views.id = ' . $wpdb->prefix . 'posts.ID';
+		}
+
+		return $join;
+	}
+
+	/**
+	 * Group posts using the post ID.
+	 *
+	 * @param string $groupby The groupby.
+	 * @param object $query   The query.
+	 */
+	public function posts_groupby( $groupby, $query ) {
+
+		if ( isset( $query->pk_post_views ) && $query->pk_post_views ) {
+			global $wpdb;
+
+			$groupby = trim( $groupby );
+
+			if ( false === strpos( $groupby, $wpdb->prefix . 'posts.ID' ) ) {
+				$groupby = ( '' !== $groupby ? $groupby . ', ' : '' ) . $wpdb->prefix . 'posts.ID';
+			}
+		}
+
+		return $groupby;
+	}
+
+	/**
+	 * Order posts by post views.
+	 *
+	 * @param string $orderby The orderby.
+	 * @param object $query   The query.
+	 */
+	public function posts_orderby( $orderby, $query ) {
+		if ( isset( $query->pk_post_views ) && $query->pk_post_views ) {
+			global $wpdb;
+
+			$order = $query->get( 'order' );
+
+			$orderby = $wpdb->prefix . 'pk_post_views.count ' . $order . ', ' . $wpdb->prefix . 'posts.ID ' . $order;
+		}
+
+		return $orderby;
+	}
+}
+
+
+new Powerkit_Post_Views_Query();