<?

add_filter( 'wp_list_categories', 'tax_cat_active', 10, 2 );

function softTrim($text, $count, $wrapText='...'){
    if(strlen($text)>$count){
        preg_match('/^.{0,' . $count . '}(?:.*?)\b/siu', $text, $matches);
        $text = $matches[0];
    }else{
        $wrapText = '';
    }
    return $text . $wrapText;
}

function hex2rgb($hex) {
    $hex = str_replace("#", "", $hex);

    if(strlen($hex) == 3) {
        $r = hexdec(substr($hex,0,1).substr($hex,0,1));
        $g = hexdec(substr($hex,1,1).substr($hex,1,1));
        $b = hexdec(substr($hex,2,1).substr($hex,2,1));
    } else {
        $r = hexdec(substr($hex,0,2));
        $g = hexdec(substr($hex,2,2));
        $b = hexdec(substr($hex,4,2));
    }
    $rgb = array($r, $g, $b);
    return implode(",", $rgb); // returns the rgb values separated by commas
    //return $rgb; // returns an array with the rgb values
}

function custom_trim_excerpt($length, $ending) {
    global $post;

    $explicit_excerpt = $post->post_excerpt;
    if ( '' == $explicit_excerpt ) {
        $text = get_the_content('');
        $text = apply_filters('the_content', $text);
        $text = str_replace(']]>', ']]>', $text);
    }
    else {
        $text = apply_filters('the_content', $explicit_excerpt);
    }
    $text = strip_shortcodes( $text ); // optional
    $text = strip_tags($text);
    $excerpt_length = $length;
    $words = explode(' ', $text, $excerpt_length + 1);
    if (count($words)> $excerpt_length) {
        array_pop($words);
        array_push($words, $ending);
        $text = implode(' ', $words);
        $text = apply_filters('the_excerpt',$text);
    }
    return $text;
}

function my_highlight_tags($cloud) {
    global $wpdb;
    $tags = single_tag_title('', false);
    $tags_array = explode(" + ", $tags);
    foreach ($tags_array as $tag_name) {
        $tag_id = $wpdb->get_var("SELECT term_id FROM $wpdb->terms WHERE name = '".$tag_name."'");
        $cloud = str_replace( "tag-link-$tag_id", "tag-link-$tag_id current", $cloud);
    }
    return $cloud;
}

add_filter( 'wp_tag_cloud', 'my_highlight_tags' );

function filter_ptags_on_images($content){
    return preg_replace('/<p>\s*(<a .*>)?\s*(<img .* \/>)\s*(<\/a>)?\s*<\/p>/iU', '\1\2\3', $content);
}

add_filter('the_content', 'filter_ptags_on_images');

/**
 * Like get_template_part() put lets you pass args to the template file
 * Args are available in the tempalte as $template_args array
 * @param string filepart
 * @param mixed wp_args style argument list
 */
function hm_get_template_part( $file, $template_args = array(), $cache_args = array() ) {

    $template_args = wp_parse_args( $template_args );
    $cache_args = wp_parse_args( $cache_args );

    if ( $cache_args ) {

        foreach ( $template_args as $key => $value ) {
            if ( is_scalar( $value ) || is_array( $value ) ) {
                $cache_args[$key] = $value;
            } else if ( is_object( $value ) && method_exists( $value, 'get_id' ) ) {
                $cache_args[$key] = call_user_func( 'get_id', $value );
            }
        }

        if ( ( $cache = wp_cache_get( $file, serialize( $cache_args ) ) ) !== false ) {

            if ( ! empty( $template_args['return'] ) )
                return $cache;

            echo $cache;
            return;
        }

    }

    $file_handle = $file;

    do_action( 'start_operation', 'hm_template_part::' . $file_handle );

    if ( file_exists( get_stylesheet_directory() . '/' . $file . '.php' ) )
        $file = get_stylesheet_directory() . '/' . $file . '.php';

    elseif ( file_exists( get_template_directory() . '/' . $file . '.php' ) )
        $file = get_template_directory() . '/' . $file . '.php';

    ob_start();
    $return = require( $file );
    $data = ob_get_clean();

    do_action( 'end_operation', 'hm_template_part::' . $file_handle );

    if ( $cache_args ) {
        wp_cache_set( $file, $data, serialize( $cache_args ), 3600 );
    }

    if ( ! empty( $template_args['return'] ) )
        if ( $return === false )
            return false;
        else
            return $data;

    echo $data;
}


function set_event_columns($columns)
{
    $columns = array(
        'cb'	 	=> '<input type="checkbox" />',
        'title' 	=> 'Title',
        'start_date' 	=> 'Start Date',
        'end_date' 	=> 'End Date',
    );
    return $columns;
}

function event_custom_columns($column)
{
    global $post;

    if( $column == 'start_date' ) {
        $date = get_field('start_date');
        $d = new DateTime($date);
        echo $d->format('F j, Y');
    }  elseif ( $column == 'end_date' ) {
        $date = get_field('end_date');
        $d = new DateTime($date);
        echo $d->format('F j, Y');
    }


}

function event_sortable_columns( $columns ) {
    $columns['start_date'] = 'start_date';
    return $columns;
}

add_filter("manage_event_posts_columns", "set_event_columns");
add_action("manage_event_posts_custom_column", "event_custom_columns");
add_filter( 'manage_edit-event_sortable_columns', 'event_sortable_columns' );


add_action( 'pre_get_posts', 'event_column_orderby' );
function event_column_orderby( $query ) {
    if( ! is_admin() )
        return;

    $orderby = $query->get( 'orderby');

    if( 'start_date' == $orderby ) {
        $query->set('meta_key','start_date');
        $query->set('orderby','meta_value_num');
    }
}

// Expire events
if ($expireTransient = get_transient($post->ID) === false) {
    set_transient($post->ID, 'set for 1 minutes', 1 * MINUTE_IN_SECONDS );
    //$today = date('Y-m-d H:i:s', current_time('timestamp', 0));
    $today = date('Ymd');
    $args = array(
        'post_type' => 'event',
        'posts_per_page' => -1,
        'post_status' => 'publish',
        'meta_query' => array(
            array(
                'key' => 'end_date',
                'value' => $today,
                'compare' => '<='
            )
        )
    );
    $posts = get_posts($args);
    foreach( $posts as $post ) {
        if(get_field('end_date', $post->ID)) {
            $postdata = array(
                'ID' => $post->ID,
                'post_status' => 'draft'
            );
            wp_update_post($postdata);
        }
    }
}