<?php

/**

 * Created by ninhle - wiloke tema.

 * Date: 7/14/15

 * Time: 3:47 PM

 */

class piPostsListing extends WP_Widget

{

    public $aDef = array('title'=>'', 'number_of_posts'=>4, 'display'=>'latest_posts');

    public function __construct()

    {

        parent::__construct('pi_postslisting', PI_THEMENAME . 'Posts Listing', array('classname'=>'postslisting'));

    }



    public function form($aInstance)

    {

        $aInstance = wp_parse_args($aInstance, $this->aDef);

        piWidgets::pi_text_field( 'Title', $this->get_field_id('title'), $this->get_field_name('title'), $aInstance['title']);

        piWidgets::pi_text_field( 'Number of posts', $this->get_field_id('number_of_posts'), $this->get_field_name('number_of_posts'), $aInstance['number_of_posts']);

        piWidgets::pi_select_field( 'Display', $this->get_field_id('display'), $this->get_field_name('display'), array('latest_posts'=>'Latest posts', 'popular_posts'=>'Popular Posts'), $aInstance['display']);

    }



    public function update($aNewinstance, $aOldinstance)

    {

        $aInstance = $aOldinstance;

        foreach ( $aNewinstance as $key => $val )

        {

            if ( $key == 'number_of_posts' )

            {

                $aInstance[$key] = (int)$val;

            }else{

                $aInstance[$key] = strip_tags($val);

            }

        }

        return $aInstance;

    }



    public function widget($atts, $aInstance)

    {

        $aInstance = wp_parse_args($aInstance, $this->aDef);

        $args = array('post_type'=>'post', 'post_status'=>'publish', 'posts_per_page'=>$aInstance['number_of_posts'], 'ignore_sticky_posts'=>1);



        if ( $aInstance['display'] == 'popular_posts' )

        {

            $args['meta_key']   = 'pi_post_views_count';

            $args['orderby']    = 'meta_value_num';

            $args['order']      = 'DESC';

        }



        $query = new WP_Query($args);



        print $atts['before_widget'];



        if ( !empty($aInstance['title']) )

        {

            print $atts['before_title'] . esc_html($aInstance['title']) . $atts['after_title'];

        }



        echo '<div class="widget-list">';

            if ( $query->have_posts() ) :

                while ( $query->have_posts() ) : $query->the_post();

                    $link = get_permalink($query->post->ID);

                    ?>

                    <div class="item">

                        <div class="item-image">

                            <div class="image-cover">

                                <?php if ( has_post_thumbnail($query->post->ID) ) : ?>

                                <a href="<?php echo esc_url($link); ?>">

                                    <?php echo get_the_post_thumbnail($query->post->ID, 'pi-postlisting'); ?>

                                </a>

                                <?php endif; ?>

                            </div>

                        </div>

                        <div class="item-content">

                            <h3 class="item-title" data-number-line="2">

                                <a href="<?php echo esc_url($link); ?>"><?php echo get_the_title($query->post->ID); ?></a>

                            </h3>

                            <span class="item-meta"><?php echo pi_get_the_date($query->post->ID); ?></span>

                        </div>

                    </div>

                    <?php

                endwhile;

            else :

                echo '<p>'.__('There are no posts yet', 'titan').'</p>';

            endif;wp_reset_postdata();

        echo '</div>';



        print $atts['after_widget'];

    }

}