artabro/wire/core/Users.php
2024-08-27 11:35:37 +02:00

263 lines
6.7 KiB
PHP

<?php namespace ProcessWire;
/**
* The Users class serves as the $users API variable.
*
* #pw-summary Manages all users (User objects) in ProcessWire.
*
* @method PageArray find($selector) Return the User(s) matching the the given selector query.
* @method User add($name) Add new User with the given name and return it.
* @method bool save($user) Save given User.
* @method bool delete($user) Delete the given User.
* @method array saveReady($user) Hook called just before a User is saved #pw-hooker
* @method void saved($user, array $changes) Hook called after a User has been saved #pw-hooker
* @method void added($user) Hook called just after a User is added #pw-hooker
* @method void deleteReady($user) Hook called before a User is deleted #pw-hooker
* @method void deleted($user) Hook called after a User is deleted #pw-hooker
*
*/
class Users extends PagesType {
/**
* Current user
*
* @var User|null
*
*/
protected $currentUser = null;
/**
* Cached guest user
*
* @var User|null
*
*/
protected $guestUser = null;
/**
* Cached guest role id
*
* @var int|null
*
*/
protected $guestRoleId = 0;
/**
* Validated custom page class cache for getPageClass method
*
* @var string
*
*/
protected $validPageClass = '';
/**
* Construct
*
* @param ProcessWire $wire
* @param array $templates
* @param array $parents
*
*/
public function __construct(ProcessWire $wire, $templates = array(), $parents = array()) {
parent::__construct($wire, $templates, $parents);
$this->setPageClass('User');
$this->guestRoleId = (int) $wire->config->guestUserRolePageID;
}
/**
* Get the user by name, ID or selector string
*
* @param string $selectorString
* @return User|NullPage|null
*
*/
public function get($selectorString) {
/** @var User|NullPage|null $user */
$user = parent::get($selectorString);
return $user;
}
/**
* Set the current system user (the $user API variable)
*
* @param User $user
*
*/
public function setCurrentUser(User $user) {
$this->checkGuestRole($user);
$this->currentUser = $user;
$this->wire('user', $user);
}
/**
* Ensure that every user loaded has at least the 'guest' role
*
* @param Page $page
*
*/
protected function loaded(Page $page) {
if($page instanceof User) $this->checkGuestRole($page);
}
/**
* Check that given user has guest role and add it if not
*
* @param User $user
* @since 3.0.198
*
*/
protected function checkGuestRole(User $user) {
$hasGuestRole = false;
$userRoles = $user->roles;
if(!$userRoles) return;
foreach($userRoles as $role) {
if($role->id != $this->guestRoleId) continue;
$hasGuestRole = true;
break;
}
if(!$hasGuestRole) {
$user->addRole($this->wire()->roles->getGuestRole());
}
}
/**
* Returns the current user object
*
* @return User
*
*/
public function getCurrentUser() {
if($this->currentUser) return $this->currentUser;
return $this->getGuestUser();
}
/**
* Get the 'guest' user account
*
* @return User
*
*/
public function getGuestUser() {
if($this->guestUser) return $this->guestUser;
$this->guestUser = $this->get($this->wire()->config->guestUserPageID);
if(defined("PROCESSWIRE_UPGRADE") && !$this->guestUser || !$this->guestUser->id) {
$this->guestUser = $this->newUser(); // needed during upgrade
}
return $this->guestUser;
}
/**
* Return new User instance
*
* #pw-internal
*
* @return User
*
*/
public function newUser() {
/** @var User $user */
$user = $this->wire()->pages->newPage(array(
'template' => 'user',
'pageClass' => $this->getPageClass()
));
return $user;
}
/**
* Get the PHP class name used by Page objects of this type
*
* #pw-internal
*
* @return string
*
*/
public function getPageClass() {
$pageClass = parent::getPageClass();
if($pageClass !== 'User' && $pageClass !== 'ProcessWire\User' && $pageClass !== $this->validPageClass) {
if(wireInstanceOf($pageClass, 'User')) {
$this->validPageClass = $pageClass;
} else {
$this->error("Class '$pageClass' disregarded because it does not extend 'User'");
$pageClass = 'User';
}
}
return $pageClass;
}
/**
* Set admin theme for all users having role
*
* @param AdminTheme|string $adminTheme Admin theme instance or class/module name
* @param Role $role
* @return int Number of users set for admin theme
* @throws WireException
* @since 3.0.176
*
*/
public function setAdminThemeByRole($adminTheme, Role $role) {
if(strpos("$adminTheme", 'AdminTheme') !== 0) throw new WireException('Invalid admin theme');
$moduleId = $this->wire()->modules->getModuleID($adminTheme);
if(!$moduleId) throw new WireException('Unknown admin theme');
$userTemplateIds = implode('|', $this->wire()->config->userTemplateIDs);
$userIds = $this->wire()->pages->findIDs("templates_id=$userTemplateIds, roles=$role, include=all");
if(!count($userIds)) return 0;
$field = $this->wire()->fields->get('admin_theme');
$table = $field->getTable();
$sql = "INSERT INTO `$table` (pages_id, data) VALUES(:pages_id, :data) ON DUPLICATE KEY UPDATE pages_id=VALUES(pages_id), data=VALUES(data)";
$query = $this->wire()->database->prepare($sql);
$query->bindValue(':data', (int) $moduleId, \PDO::PARAM_INT);
$qty = 0;
foreach($userIds as $userId) {
$query->bindValue(':pages_id', $userId, \PDO::PARAM_INT);
$query->execute();
$qty++;
}
return $qty;
}
/**
* Save a User
*
* - This is the same as calling $user->save()
* - If the user is new, it will be inserted. If existing, it will be updated.
* - If you want to just save a particular field for the user, use `$user->save($fieldName)` instead.
*
* **Hook note:**
* If you want to hook this method, please hook the `Users::saveReady`, `Users::saved`, or any one of
* the `Pages::save*` hook methods instead, as this method will not capture users saved directly
* through `$pages->save($user)`.
* ~~~~~
* // Example of hooking $pages->save() on User objects only
* $wire->addHookBefore('Pages::save(<User>)', function(HookEvent $e) {
* $user = $event->arguments(0);
* });
* ~~~~~
*
* @param Page $page
* @return bool True on success
* @throws WireException
*
*/
public function ___save(Page $page) {
return parent::___save($page);
}
/**
* Hook called just before a user is saved
*
* #pw-hooker
*
* @param Page $page The user about to be saved
* @return array Optional extra data to add to pages save query.
*
*/
public function ___saveReady(Page $page) {
/** @var User $user */
$user = $page;
// add guest role if user doesn't already have it
if(!$user->id && $user instanceof User) $this->checkGuestRole($user);
return parent::___saveReady($user);
}
}