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<?php defined("SYSPATH") or die("No direct script access.");
/**
* Gallery - a web based photo album viewer and editor
* Copyright (C) 2000-2013 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 User_Model_Core extends ORM implements User_Definition {
protected $has_and_belongs_to_many = array("groups");
protected $password_length = null;
protected $groups_cache = null;
public function __set($column, $value) {
switch ($column) {
case "hashed_password":
$column = "password";
break;
case "password":
$this->password_length = strlen($value);
$value = user::hash_password($value);
break;
}
parent::__set($column, $value);
}
/**
* @see ORM::delete()
*/
public function delete($id=null) {
$old = clone $this;
module::event("user_before_delete", $this);
parent::delete($id);
db::build()
->delete("groups_users")
->where("user_id", "=", empty($id) ? $old->id : $id)
->execute();
module::event("user_deleted", $old);
$this->groups_cache = null;
}
/**
* Return a url to the user's avatar image.
* @param integer $size the target size of the image (default 80px)
* @return string a url
*/
public function avatar_url($size=80, $default=null) {
return sprintf("//www.gravatar.com/avatar/%s.jpg?s=%d&r=pg%s",
md5($this->email), $size, $default ? "&d=" . urlencode($default) : "");
}
public function groups() {
if (!$this->groups_cache) {
$this->groups_cache = $this->groups->find_all()->as_array();
}
return $this->groups_cache;
}
/**
* 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) {
$this->rules = array(
"admin" => array("callbacks" => array(array($this, "valid_admin"))),
"email" => array("rules" => array("length[1,255]", "valid::email"),
"callbacks" => array(array($this, "valid_email"))),
"full_name" => array("rules" => array("length[0,255]")),
"locale" => array("rules" => array("length[2,10]")),
"name" => array("rules" => array("length[1,32]", "required"),
"callbacks" => array(array($this, "valid_name"))),
"password" => array("callbacks" => array(array($this, "valid_password"))),
"url" => array("rules" => array("valid::url")),
);
}
parent::validate($array);
}
/**
* Handle any business logic necessary to create or update a user.
* @see ORM::save()
*
* @return ORM User_Model
*/
public function save() {
if ($this->full_name === null) {
$this->full_name = "";
}
if (!$this->loaded()) {
// New user
$this->add(group::everybody());
if (!$this->guest) {
$this->add(group::registered_users());
}
parent::save();
module::event("user_created", $this);
} else {
// Updated user
$original = ORM::factory("user", $this->id);
parent::save();
module::event("user_updated", $original, $this);
}
$this->groups_cache = null;
return $this;
}
/**
* Return the best version of the user's name. Either their specified full name, or fall back
* to the user name.
* @return string
*/
public function display_name() {
return empty($this->full_name) ? $this->name : $this->full_name;
}
/**
* Validate the user name. Make sure there are no conflicts.
*/
public function valid_name(Validation $v, $field) {
if (db::build()->from("users")
->where("name", "=", $this->name)
->merge_where($this->id ? array(array("id", "<>", $this->id)) : null)
->count_records() == 1) {
$v->add_error("name", "conflict");
}
}
/**
* Validate the password.
*/
public function valid_password(Validation $v, $field) {
if ($this->guest) {
return;
}
if (!$this->loaded() || isset($this->password_length)) {
$minimum_length = module::get_var("user", "minimum_password_length", 5);
if ($this->password_length < $minimum_length) {
$v->add_error("password", "min_length");
}
}
}
/**
* Validate the admin bit.
*/
public function valid_admin(Validation $v, $field) {
$active = identity::active_user();
if ($this->id == $active->id && $active->admin && !$this->admin) {
$v->add_error("admin", "locked");
}
}
/**
* Validate the email field.
*/
public function valid_email(Validation $v, $field) {
if ($this->guest) { // guests don't require an email address
return;
}
if (empty($this->email)) {
$v->add_error("email", "required");
}
}
}
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