top-posts-widget.php

<?php

add_action( 'widgets_init', 'nbclatino_top_posts_widget_init' );

function nbclatino_top_posts_widget_init() {
	// Check if our vip stats function is available
	if ( !function_exists( 'wpcom_vip_get_stats_array' ) && ! function_exists( 'stats_get_csv' ) )
		return;

	unregister_widget( 'Jetpack_Top_Posts_Widget' );
	register_widget( 'NBCLatino_Top_Posts_Widget' );
}

class NBCLatino_Top_Posts_Widget extends Jetpack_Top_Posts_Widget {
	var $alt_option_name = 'widget_stats_topposts';
	var $default_title = '';

	function __construct() {
		$this->defaults = array(
			'title'    => __( 'Top Posts &amp; Pages', 'jetpack' ),
			'display'  => 'text',
			'count'    => 10,
			'num_days' => 2,
			'filter_cat' => '',
		);

		parent::__construct();
		add_filter( 'widget_display_callback', array( $this, 'get_instance' ), 10, 2 );
	}

	function get_instance( $instance, $obj ) {
		if ( $obj instanceof $this )
			$this->instance = $instance;
		return $instance;
	}

	function form( $instance ) {

		$instance = wp_parse_args( $instance, $this->defaults );
		$instance['count'] = $this->limit_count( $instance );
		$instance['num_days'] = $this->limit_count( $instance, false );

		if ( ! isset( $instance['display'] ) || ! in_array( $instance['display'], array( 'grid', 'list', 'text'  ) ) )
			$instance['display'] = 'text';

		extract( $instance );

		?>

		<p>
			<label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php esc_html_e( 'Title:', 'jetpack' ); ?></label>
			<input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" value="<?php echo esc_attr( $title ); ?>" />
		</p>

		<p>
			<label for="<?php echo $this->get_field_id( 'count' ); ?>"><?php esc_html_e( 'Maximum number of posts to show (no more than 10):', 'jetpack' ); ?></label>
			<input id="<?php echo $this->get_field_id( 'count' ); ?>" name="<?php echo $this->get_field_name( 'count' ); ?>" type="number" value="<?php echo (int) $count; ?>" min="1" max="10" />
		</p>

		<p>
			<label for="<?php echo $this->get_field_id( 'num_days' ); ?>"><?php esc_html_e( 'Number of days for analytics to pull from:', 'jetpack' ); ?></label>
			<input id="<?php echo $this->get_field_id( 'num_days' ); ?>" name="<?php echo $this->get_field_name( 'num_days' ); ?>" type="number" value="<?php echo (int) $num_days; ?>" min="1" max="1825" />
		</p>

		<p>
			<label><?php esc_html_e( 'Display as:', 'jetpack' ); ?></label>
			<ul>
				<li><label><input id="<?php echo $this->get_field_id( 'display' ); ?>-text" name="<?php echo $this->get_field_name( 'display' ); ?>" type="radio" value="text" <?php checked( 'text', $display ); ?> /> <?php esc_html_e( 'Text List', 'jetpack' ); ?></label></li>
				<li><label><input id="<?php echo $this->get_field_id( 'display' ); ?>-list" name="<?php echo $this->get_field_name( 'display' ); ?>" type="radio" value="list" <?php checked( 'list', $display ); ?> /> <?php esc_html_e( 'Image List', 'jetpack' ); ?></label></li>
				<li><label><input id="<?php echo $this->get_field_id( 'display' ); ?>-grid" name="<?php echo $this->get_field_name( 'display' ); ?>" type="radio" value="grid" <?php checked( 'grid', $display ); ?> /> <?php esc_html_e( 'Image Grid', 'jetpack' ); ?></label></li>
			</ul>
		</p>

		<p>
			<label for="<?php echo $this->get_field_id( 'filter_cat' ); ?>"><?php esc_html_e( 'Filter by Category:', 'jetpack' ); ?></label>
			<input class="widefat" id="<?php echo $this->get_field_id( 'filter_cat' ); ?>" name="<?php echo $this->get_field_name( 'filter_cat' ); ?>" type="text" value="<?php echo esc_attr( $filter_cat ); ?>" />
		</p>


		<?php
	}

	function update( $new_instance, $old_instance ) {

		$instance = wp_parse_args( array(), $this->defaults );

		$instance['title'] = wp_kses( $new_instance['title'], array() );
		$instance['filter_cat'] = sanitize_text_field( $new_instance['filter_cat'] );
		// if ( $instance['title'] === $this->default_title ) {
		// 	$instance['title'] = false; // Store as false in case of language change
		// }

		$instance['count'] = $this->limit_count( $new_instance );
		$instance['num_days'] = $this->limit_count( $new_instance, false );

		if ( isset( $new_instance['display'] ) && in_array( $new_instance['display'], array( 'grid', 'list', 'text'  ) ) ) {
			$instance['display'] = $new_instance['display'];
		} else {
			$instance['display'] = 'text';
		}

		return $instance;
	}

	function get_by_views( $count ) {

		$num_days = $this->limit_count( $this->instance, false );
		$post_view_posts = false;
		// http://vip.wordpress.com/documentation/wordpress-com-stats/
		if ( function_exists( 'wpcom_vip_top_posts_array' ) )
			$post_view_posts = wpcom_vip_top_posts_array( absint( $num_days ), 10 );
		elseif ( function_exists( 'stats_get_csv' ) )
			$post_view_posts = stats_get_csv( 'postviews', array( 'days' => absint( $num_days ), 'limit' => 10 ) );


		if ( !$post_view_posts ) {
			return array();
		}

		$post_view_ids = array_filter( wp_list_pluck( $post_view_posts, 'post_id' ) );
		if ( !$post_view_ids ) {
			return array();
		}

		$post_view_ids = array_filter( $post_view_ids, array( $this, 'cat_filter' ) );

		return $this->get_posts( $post_view_ids, $count );
	}

	function cat_filter( $id ) {
		if ( ! isset( $this->instance ) || ! isset( $this->instance['cat_filter'] ) )

		if ( ! ( $cats = get_the_category( $id ) ) )
			return false;
		$cats = wp_list_pluck( $cats, 'name' );
		if ( in_array( $this->instance['filter_cat'], $cats ) )
			return true;

		return false;
	}

	function limit_count( $instance, $key = 'count' ) {
		$key = 'count' === $key ? 'count' : 'num_days';
		$max = 'count' === $key ? 10 : 1825;

		$count = isset( $instance[ $key ] ) ? (int) $instance[ $key ] : 0;
		if ( $count < 1 || $max < $count ) {
			$count = $max;
		}
		return $count;
	}

}