Hi all,
I have a question concerning the MVC logic. In my example I have to add a
new user to a mail server via REST. And I would like to inform the user
with the error message. So should the Model return the error message to the
controller or should the controller request the error message from the
model? What is best practice?
1) Model send message to controller
Model:
class MailAddress extends AppModel {
public function addMailAddress( $mail, $password) {
// create POST data
$arrData = array('Password' => $password);
// perform the request
$result = $this->REST->request('POST', '/users/create/name/'.$mail,
$arrData);
// check the results
if($result === false) {
$this->lastError = $this->REST->lastError;
return false;
} elseif ( $result['api']['userCreate']['status'] == 'success' ) {
return true;
} else {
$this->lastError =
$result['api']['userCreate']['response']['message'];
return false;
}
}
}
Controller:
if($this->EmailAddress->addMailAddress($mail,$password)) {
$this->Session->setFlash( __('Entry successfully saved.') );
} else {
$this->Session->setFlash( __('Error on adding: %s',
$this->EmailAddress->lastError) );
}
2) Controller gets message from the model
Model:
class MailAddress extends AppModel {
public function addMailAddress( $mail, $password) {
// create POST data
$arrData = array('Password' => $password);
// perform the request
$result = $this->REST->request('POST', '/users/create/name/'.$mail,
$arrData);
// check the results
if($result === false) {
return new ErrorObject($this->REST->lastError);
} elseif ( $result['api']['userCreate']['status'] == 'success' ) {
return true;
} else {
return new
ErrorObject($result['api']['userCreate']['response']['message']);
}
}
}
Controller:
if(!($ret = $this->EmailAddress->addMailAddress($mail,$password))
instanceof ErrorObject) {
$this->Session->setFlash( __('Entry successfully saved.') );
} else {
$this->Session->setFlash( __('Error on adding: %s', $ret->getMessage())
);
}
3) I don't want to use Exceptions here because i think returning values
keeps the programming flow more straight.
Thanks, Tobi
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