/**
* Update role of user
* @param int $newRoles $newRoles has form Array([11] => 1, [12] => 0, ..., [n] => m)) with n is role ID and m is checked/unchecked
* @param int $userID
* @return bool
*/
public function updateRolesOfUser($roleIDs, $userID)
{
// get old roles
$oldRoles = $this->getRolesOfUser($userID);
// extract old role ID except "customer role ID"
$roleModel = new Admin_Model_Role();
$customerRoleID = $roleModel->getCustomerRoleID();
$oldRoleIDs = array();
foreach ($oldRoles as $oldRole) {
if ($oldRole['role_id'] != $customerRoleID) {
$oldRoleIDs[] = $oldRole['role_id'];
}
}
// assign $roleIDs to $newRoleIDs;
$newRoleIDs = $roleIDs;
$db = Zend_Db_Table::getDefaultAdapter();
$db->beginTransaction();
try {
// following the algorithm, we have oldRoleIDs as A, newRoleIDs as B
foreach ($oldRoleIDs as $index => $id) {
if (!in_array($id, $newRoleIDs)) {
$this->deleteRoleOfUser($id, $userID);
unset($oldRoleIDs[$index]);
}
}
foreach ($newRoleIDs as $id) {
if (!in_array($id, $oldRoleIDs)) {
$this->insertRoleOfUser($id, $userID);
}
}
$db->commit();
return true;
} catch (Zend_Exception $e) {
$db->rollBack();
return false;
}
}
/**
* Create checkboxes for updating user
* @param int $userID
* @return array
*/
private function _createCheckboxesForUpdatingUser($userID)
{
$roleCheckboxes = array();
// get role array
$roleModel = new Admin_Model_Role();
$roleArray = $roleModel->getRoleArray();
// get customer role ID
$customerRoleID = $roleModel->getCustomerRoleID();
// get roles of the user
$userModel = new Admin_Model_Users();
$rolesOfUser = $userModel->getRolesOfUser($userID);
// extract role_id of $roleOfUser array
$roleIDs = array();
foreach ($rolesOfUser as $role) {
$roleIDs[] = $role['role_id'];
}
// create role checkboxes
foreach ($roleArray as $index => $role) {
if (in_array($role['role_id'], $roleIDs)) {
$roleCheckbox = $this->createElement('checkbox', (string) $role['role_id'], array('checked' => 'checked'));
} else {
$roleCheckbox = $this->createElement('checkbox', (string) $role['role_id'], array());
}
// check if the role is customer
if ($role['role_id'] == $customerRoleID) {
$roleCheckbox->setAttrib('disabled', 'disabled');
}
$roleCheckbox->setLabel($role['role_name']);
$this->_customizeRoleCheckBox($roleCheckbox);
$roleCheckboxes[] = $roleCheckbox;
}
return $roleCheckboxes;
}