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<?php defined("SYSPATH") or die("No direct script access.");
/**
* Gallery - a web based photo album viewer and editor
* Copyright (C) 2000-2010 Bharat Mediratta
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
*/
class Group_Model extends ORM implements Group_Definition {
protected $has_and_belongs_to_many = array("users");
/**
* @see ORM::delete()
*/
public function delete($id=null) {
$old = clone $this;
module::event("group_before_delete", $this);
parent::delete($id);
module::event("group_deleted", $old);
}
public function users() {
return $this->users->find_all();
}
/**
* Specify our rules here so that we have access to the instance of this model.
*/
public function validate(Validation $array=null) {
// validate() is recursive, only modify the rules on the outermost call.
if (!$array) {
$this->rules = array(
"name" => array("rules" => array("required", "length[4,255]"),
"callbacks" => array(array($this, "valid_name"))));
}
parent::validate($array);
}
public function save() {
if (!$this->loaded()) {
// New group
parent::save();
module::event("group_created", $this);
} else {
// Updated group
$original = ORM::factory("group", $this->id);
parent::save();
module::event("group_updated", $original, $this);
}
return $this;
}
/**
* Validate the user name. Make sure there are no conflicts.
*/
public function valid_name(Validation $v, $field) {
if (db::build()->from("groups")
->where("name", "=", $this->name)
->where("id", "<>", $this->id)
->count_records() == 1) {
$v->add_error("name", "conflict");
}
}
}
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