freenetis-github/application/models/watcher.php @ 6970ac8e
| 31ca0a32 | Michal Kliment | <?php defined('SYSPATH') or die('No direct script access.');
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/*
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* This file is part of open source system FreenetIS
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* and it is released under GPLv3 licence.
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*
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* More info about licence can be found:
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* http://www.gnu.org/licenses/gpl-3.0.html
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*
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* More info about project can be found:
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* http://www.freenetis.org/
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*
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*/
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/**
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* Watchers
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*
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* @author Michal Kliment
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* @package Model
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*
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* @property integer $user_id
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* @property User_Model $user
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* @property integer $type
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* @property integer $fk_id
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*/
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class Watcher_Model extends ORM
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{
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/**
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* Item's type to watch
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*/
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const WORK = 1;
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const WORK_REPORT = 2;
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const REQUEST = 3;
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// types
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private static $types = array
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(
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self::WORK => 'Work',
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self::WORK_REPORT => 'Work report',
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self::REQUEST => 'Request'
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);
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/**
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* Returns all watchers of object
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*
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* @author Michal Kliment
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* @param integer $type
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* @param integer $fk_id
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* @return array
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*/
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public function get_watchers_by_object($type, $fk_id)
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{
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$result = $this->db->query("
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SELECT w.id, w.user_id
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FROM watchers w
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WHERE type = ? AND fk_id = ?
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", array($type, $fk_id));
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if ($result)
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return arr::from_objects ($result, 'user_id');
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else
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return array();
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}
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/**
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* Add watchers to object
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*
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* @param array $watchers
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* @param integer $type
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* @param integer $fk_id
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* @throws Exception
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*/
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public function add_watchers_to_object($watchers, $type, $fk_id)
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{
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if (!array_key_exists($type, self::$types))
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{
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throw new Exception('Unknown object type to watch');
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}
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$values = array();
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foreach ($watchers as $watcher)
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{
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$values[] = '('.intval($watcher).', '.$type.', '.$fk_id.')';
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}
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if (count($values))
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{
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$this->db->query("
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INSERT INTO watchers (user_id, type, fk_id)
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VALUES
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".implode(", ", $values)."
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");
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}
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}
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/**
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* Delete watchers from object
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*
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* @author Michal Kliment
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* @param integer $type
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* @param integer $fk_id
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* @return type
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*/
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public function delete_watchers_by_object($type, $fk_id)
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{
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return $this->db->query("
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DELETE FROM watchers
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WHERE type = ? AND fk_id = ?
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", array($type, $fk_id));
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}
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}
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