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[0] in function chmod in /var/www/hopeinstoughton_www/wp-content/plugins/simple-universal-google-analytics/main.php on line 8
[1] in function include_once in /var/www/hopeinstoughton_www/wp-settings.php on line 560
[2] in function require_once in /var/www/hopeinstoughton_www/wp-config.php on line 85
[3] in function require_once in /var/www/hopeinstoughton_www/wp-load.php on line 50
[4] in function require_once in /var/www/hopeinstoughton_www/wp-blog-header.php on line 13
[5] in function require in /var/www/hopeinstoughton_www/index.php on line 17

<?php
/*
Plugin Name: Adult Class
Plugin URI: http://hostz.org/
Description: Group Classes by Series
Author: Phil Young
Author URI: http://hostz.org/
Version: 1.0.0
*/

/*
page:

<style type="text/css">
ul.classlist {
    list-style: none;
    margin-top: 20px !important;
}
ul.classlist li {
    list-style: none !important;
    margin-left: 0 !important;
    font-size: 1.1rem;
    padding: 4px !important;
}
ul.classlist li:nth-child(even) {
    background-color: #AED2CE;
}
ul.classlist li:nth-child(odd) {
    background-color: #E4F0F0;
}

</style>
[adult-class]

*/

class adult_class {

    //const SPECIAL_PAGE = 2073;        // demo
    const SPECIAL_PAGE = 2267;          // live
    const EXHORT = 364;
    
    private $header;
    private $slug;
    private $pagenum;

	public function __construct() {
		$this->isPost = $_SERVER['REQUEST_METHOD'] == 'POST';
		$this->DIR = plugins_url('', __FILE__);

        //add_action( 'template_redirect', [$this, '__404'] );
        //add_filter( 'catalyst_site_layout', [$this, '__setlayout'], 1 );
        //add_filter( '_get_page_link', [$this, '__canonical'], 80, 2 );

        add_filter( 'catalyst_byline_meta', [$this, '__author'], 90 );
        add_filter( 'catalyst_post_categories_shortcode', [$this, '__categories'], 90 );

		add_action('wp_enqueue_scripts', array($this, 'add_css' ));
		add_action('admin_enqueue_scripts', array($this, 'add_css' ));

        // create list of talks - date / speaker / title
   		add_shortcode('adult-class', [$this, '_shortcode_handler'] );
	}

	function add_css() {
		wp_enqueue_style('adult_class', plugins_url('jquery.dataTables.min.css', __FILE__), [], '1.10.21'); 
//		wp_enqueue_script('adult_class_1', plugins_url('jquery.dataTables.min.js', __FILE__), [], '1.10.21' );
		wp_enqueue_script('adult_class_1', plugins_url('jquery.dataTables.js', __FILE__), [], '1.10.21' );
//		wp_enqueue_script('adult_class_2', plugins_url('classes.js', __FILE__), [], '' );
    }

    // List of Classes
	function _shortcode_handler($atts) {
        global $wpdb;
        $ex = static::EXHORT;

        $sql = <<<BLOCK
SELECT e.me_slug, e.me_topic, e.me_id,
        count(x.mixe_item) as qty, max(mi_date) as dt,
        max(mi_type) as tp,
        ms_firstname, ms_lastname, ms_suffix
  FROM `mm_item_x_event` as x
    inner join `mm_event` as e on x.mixe_event=e.me_id
    left join `mm_item` as i on i.mi_id = x.mixe_item
    left join `mm_speaker` as s on i.mi_speaker=s.ms_id
where (mi_type <> "mt") and (mi_type <> "cbt")
    and x.mixe_event <> $ex
    and (present_mp3 <> 0 or present_mp4 <> 0)
group by mixe_event

BLOCK;

        $newstuff = $wpdb->get_results($sql);
        $output = $this->_asDataTable($newstuff);
        return $output;
    }
    
    private function AsSpeaker($item) {
        $value = trim($item->ms_firstname . ' ' . $item->ms_lastname);
        if (!empty($item->ms_suffix)) $value .= ' ' . $item->ms_suffix;
        return $value;
    }
    
    private function _asDataTable($res) {
        global $MEDIASEARCH;
        $data = [
            'pageLength' => 25,
            'dom' => 'lfrtip',
            'order' => [[ 0, 'desc' ]],
            'columns' => [
                [ 'data' => ['_' => 'rawdate', 'display' => 'date'],  'title' => 'Date' ],
                [ 'data' => 'title', 'title' => 'Title' ],
                [ 'data' => 'spk',   'title' => 'Presenter', 'width' => 140 ],
                [ 'data' => 'qty',   'title' => 'Classes' ],
                [ 'data' => 'type',  'title' => 'Type', 'width' => 130 ],
            ],
            'data' => [],
        ];
        foreach($res as $row) {
            $x = strtotime($row->dt . ' 12:00Z');
            $the_date = gmdate('m/Y', $x);

            $title = htmlspecialchars($row->me_topic);
            switch($row->tp) {
                case 'ac':
                    $type = 'Adult Class';
                    break;

                case 'bc':
                    $type = 'Bible Class';
                    break;

                case 'ex':      // exhort - assuming part of a study weekend
                case 'study':
                    $type = 'Study Weekend';
                    break;

                case 'se':      // special event
                case 'sp':      // special
                case 'other':
                    $type = 'Other';
                    break;
					
				case 'cbt':
					$type = 'cbt.com';
					break;

                case 'cyc':
                    $type = 'CYC';
                    break;
                
                default:
                    $type = '-';
                    break;
            }
            $link = $row->me_slug;
            if ($link == '') {
                if (is_object($MEDIASEARCH)) {
                    $link = $MEDIASEARCH->generateAuth($row->me_id, '', TRUE);
                } else {
                    $link = '#';
                }
            } else {
                $link = '/' . $link;
            }
            $safelink = htmlspecialchars($link);
            $data['data'][] = [
                'date' =>   $the_date,
                'rawdate'=> $row->dt,
                'title' =>  "<a href=\"{$safelink}\" target=\"_blank\">{$title}</a>",
                'spk' =>    $this->asSpeaker($row),
                'qty' =>    $row->qty,
                'type' =>   $type,
            ];
        }
        $jsontext = json_encode($data);
        $output = <<<BLOCK
<style type="text/css">
table.dataTable thead th, table.dataTable thead td {
    text-align: left;
    padding: 8px 10px;
}
</style>
<table class="datatable-adult">
<thead>
</thead>
<tbody>
</tbody>
</table>
<script type="text/javascript">
var $ = jQuery.noConflict();
var \$table = $('table.datatable-adult');
if (\$table.length) {
    \$table.DataTable($jsontext);
}
</script>
BLOCK;
        return $output;
    }

    // remove Author section at top
    public function __author($meta) {
        if ($this->header) {
            return '';
        }
        return $meta;
    }

    // remove Categories: at bottom
    public function __categories($value) {
        if ($this->header) {
            return '';
        }
        return $value;
    }

	// Not Used
    public function __404() {
        global $wp_query;
        if( is_404() && $this->header ){


            $uri = ltrim($_SERVER['REQUEST_URI'], '/');
            list($basic, $pagenum) = explode('/', $uri, 2);

            $pagenum = intval($pagenum, 10);
            if ($pagenum < 1) $pagenum = 1;
            $this->_loadThePage($pagenum);
            $this->pagenum = $pagenum;
            $wp_query->is_404 = FALSE;
            
            $protocol = $_SERVER['SERVER_PROTOCOL'];
            header("{$protocol} 200 OK");
        }
    }

    // change the canonical link to something more suitable
	// Not Used
    public function __canonical($link, $post_id) {
        if ($this->header && $post_id == static::SPECIAL_PAGE) {
            $elements = parse_url($link);
            return $elements['scheme'] . '://' . $elements['host'] . '/' . $this->slug . '/' . $this->pagenum;
        }
        return $link;
    }

    // set wide theme in Catalyst, but only if we are on our special page
	// Not Used
    public function __setlayout( $layout ) {
        $uri = ltrim($_SERVER['REQUEST_URI'], '/');
        list($basic, $pagenum) = explode('/', $uri, 2);
        $ok = $this->_checkIfvalid($basic);
        if ($ok) {
            $this->slug = $basic;
            return 'no-sidebar wide';
        }
        return $layout;
    }

    private function _checkIfvalid($basic) {
        global $wpdb;
        $xbasic = '"' . esc_sql($basic) . '"';
        $sql = "select * from `cd_seriesh` where csh_slug={$xbasic}";
        $this->header = $wpdb->get_row($sql);
        return !is_null($this->header);
    }
    
    private function _loadThePage($pagenum) {
        global $wpdb, $wp_query;

        $args = [
            'p'         => static::SPECIAL_PAGE, // ID of a page, post, or custom type
            'post_type' => 'any'
        ];
        $wp_query = new WP_Query($args);
        $wp_query->post->post_title = $this->header->csh_title;
        $wp_query->post->post_name = "{$this->slug}/$pagenum";

        $series_id = $this->header->csh_id;
        $videoplayer = '(we\'re missing a video for this page)';

        // load all classes
        $xid = '"' . esc_sql($series_id) . '"';
        $sql = <<<BLOCK
select * from `cd_seriest` as t
        left join `cd_seriesh` as h on h.csh_id = t.cst_series
where cst_series={$xid} 
    order by cst_date, cst_id
BLOCK;
        $res = $wpdb->get_results($sql);
        
        $pages = count($res);
        $output = '';
        $author = $this->header->csh_author;

        $audio = '';
        foreach($res as $index => $item) {
            $classnum = $index + 1;
            if ($index) $output .= ' | ';
            $safe_text = htmlspecialchars($item->cst_topic);
            if ($classnum == $pagenum) {
                $type = $item->csh_type;
                $date = str_replace('-', '.', $item->cst_date);
                $output .= "<span title=\"{$safe_text}\">Class {$classnum}</span>";
                switch($type) {
                    case 'ac':
                        $file = "current/{$date} ac";
                        $mp3  = "current/{$date} ac.mp3";
                        
                        if (!empty($item->cst_filename)) {
                            $file = $item->cst_filename;
                            $mp3 = $file . '.mp3';
                        }
                        break;

                    case 'bc':
                    case 'sp':
                    case 'sd':
                    case 'cyc':
                        $file = $item->cst_filename;
                        $mp3 = $file . '.mp3';
                        break;
                    
                    default:
                        $file = '';
                        $mp3 = '';
                }
                
                if (empty($item->cst_topic)) {
                    $title = '';
                } else {
                    $title = " title=\"Class {$classnum} - {$safe_text} ({$author})\"";
                }
                $videoplayer = "[videoplayer file=\"{$file}\"{$title}]";
                $filename = "/av/{$mp3}";
                $sourcefile = realpath(__DIR__ . '/../../..' . $filename);
                if (file_exists($sourcefile)) {
                    $audio = "<a href=\"$filename\" title=\"right click, and choose 'save as' to save.\">play audio</a>";
                } else {
                    $audio = "<!-- $sourcefile -->";
                }
            } else {
                $output .= "<a href=\"/{$this->slug}/{$classnum}\" title=\"{$safe_text}\">Class {$classnum}</a>";
            }
        }
        if ($pages == 1) {
            $output = '';
        }

        $wp_query->post->post_content = str_replace(
            ['[links]',             '[videoplayer]',    '<!-- audio -->'], 
            ["<div>$output</div>",  $videoplayer,       $audio          ], 
            $wp_query->post->post_content);

        // remove author info, remove categories
    }

}


global $ADULTCLASS;
$ADULTCLASS = new adult_class();