protected function build_wp_query_args( $args = array() ) {
		// Ordering
		$orderby = array();

		// Meta Query
		if ( ! isset( $args['meta_query'] ) ) {
			$args['meta_query'] = array(
				'relation' => 'AND',
			);
		}

		if ( isset( $args['themes'] ) ) {
			/**
			 * If Looking for specific themes. No need for filtering.
			 */
			$args['post__in'] = wp_parse_id_list( $args['themes'] );

			unset( $args['themes'] );
		}

		/**
		 * Apply easy ordering options or allow setting it manually.
		 */
		if ( ! isset( $args['orderby'] ) ) {
			$orderby['post_modified'] = isset( $args['order'] ) ? $args['order'] : 'DESC';
		} elseif ( ! empty( $args['post__in'] ) && in_array( $args['orderby'], array( 'post__in', 'user_order' ) ) ) {
			// This one can't be part of an $orderby array so needs to override.
			$orderby = 'post__in';
		} else {
			switch ( $args['orderby'] ) {
				case 'name' :
					$orderby['post_title'] = isset( $args['order'] ) ? $args['order'] : 'ASC';
					break;
				case 'date' :
					$orderby['post_date'] = isset( $args['order'] ) ? $args['order'] : 'DESC';
					break;
				case 'activity':
					$orderby['post_modified'] = isset( $args['order'] ) ? $args['order'] : 'DESC';
					break;
				default:
					$orderby[ $args['orderby'] ] = isset( $args['order'] ) ? $args['order'] : 'DESC';
					break;
			}
		}

		// Replace the orderby property with the new $orderby array.
		$args['orderby'] = $orderby;

		// Clear unneeded values.
		unset( $args['order'] );

		return parent::build_wp_query_args( $args );
	}