streams/Zotlabs/Widget/Pinned.php

<?php
namespace Zotlabs\Widget;

/*
 * Show pinned content
 *
 */

use App;

class Pinned {

	private $allowed_types = 0;
	private $uid = 0;


	/*
	 * @brief Displays pinned items
	 *
	 */
	 
	function widget($args) {

		$ret = '';

		$this->allowed_types = get_config('system', 'pin_types', [ ITEM_TYPE_POST ]);

		$this->uid = App::$profile_uid;
		
		$types = (($args['types']) ?: [ ITEM_TYPE_POST ]);

		$id_list = $this->list($types);

		//logger('id_list: ' . print_r($id_list,true));

		if (empty($id_list)) {
			return $ret;
		}

		$o = conversation($id_list,'network-new',0,'traditional');

		// change some id and class names so that auto-update doesn't stumble over them

		$o = str_replace('<div id="threads-begin">','<div id="pins-begin">', $o);
		$o = str_replace('<div id="threads-end">','<div id="pins-end">', $o);
		$o = str_replace('<div id="conversation-end">','<div id="pin-widget-end">', $o);
		$o = str_replace('class="thread-wrapper ','class="pin-thread-wrapper ', $o);

		logger('output: ' . $o);
		return $o;

	}

	
	/*
	 * @brief List pinned items depend on type
	 *
	 * @param $types
	 * @return array of pinned items
	 *
	 */	
	private function list($types) {

		if (empty($types) || (! is_array($types))) {
			return [];
		}
		
		$item_types = array_intersect($this->allowed_types, $types);

		if (empty($item_types)) {
			return [];
		}
		
		$mids_list = [];
		
		foreach ($item_types as $type) {
			$mids = get_pconfig($this->uid, 'pinned', $type, []);
			if ($mids) {
				foreach($mids as $mid) {
					if ($mid) {
						$mids_list[] = $mid;
					}
				}
			}
		}
		if (empty($mids_list)) {
			return [];
		}

		$item_normal = item_normal();
		$sql_extra = item_permissions_sql($this->uid);
		
		$r = q("SELECT *, id as item_id FROM item WHERE parent_mid IN (" . protect_sprintf(stringify_array($mids_list,true)) . ") AND uid = %d AND id = parent $item_normal $sql_extra ORDER BY created DESC",
			intval($this->uid)
		);
		if ($r) {
			xchan_query($r,true);
			$items = fetch_post_tags($r,true);

			for ($x = 0; $x < count($items); $x ++) {
				$items[$x]['item_id'] = 'pin-' . $items[$x]['item_id'];
			}

			return $items;
		}
		return [];
	}
}