<?php

class UsuarioController extends Controller {

    public $defaultAction = 'modificar';

    /**
     * @return array action filters
     */
    public function filters() {
        return array(
            'accessControl', // perform access control for CRUD operations
        );
    }

    /**
     * Specifies the access control rules.
     * This method is used by the 'accessControl' filter.
     * @return array access control rules
     */
    public function accessRules() {
        return array(
            array('allow', // allow admin user to perform 'admin' and 'delete' actions
                'actions' => array('modificar', 'cambiarPassword'),
                'users' => array('@'),
            ),
            array('deny', // deny all users
                'users' => array('*'),
            ),
        );
    }

    /**
     * Actualiza un usuario.
     * If update is successful, the browser will be redirected to the 'view' page.
     * @param integer $id the ID of the model to be updated
     */
    public function actionModificar($id) {
        if ($id != Yii::app()->user->id)
            throw new CHttpException(404, Yii::t('profind', 'La página solicitada no existe.'));

        $usuario = $this->loadModel($id);
        
        // Uncomment the following line if AJAX validation is needed
        // $this->performAjaxValidation($usuario);

        if (isset($_POST['Usuario'])) {
            $usuario->attributes = $_POST['Usuario'];
            $ficheroFotografia = CUploadedFile::getInstance($usuario, 'ficheroFotografia');
            $quitarFotografia = Yii::app()->request->getParam('quitar_fotografia', '0');
            
            if ($usuario->save()) {
                if (($quitarFotografia == '1') && ($usuario->fotografia->tieneFotografia()))
                    $usuario->fotografia->eliminarFotografia();

                if ($ficheroFotografia)
                    $usuario->fotografia->guardarFotografia($ficheroFotografia);
                
                Yii::app()->user->setFlash('success', Yii::t('profind', 'Se ha actualizado el perfil'));
                $this->redirect(array('modificar', 'id' => $usuario->id));
            }
        }

        $this->render('modificar', array(
            'model' => $usuario,
        ));
    }

    /**
     * Returns the data model based on the primary key given in the GET variable.
     * If the data model is not found, an HTTP exception will be raised.
     * @param integer the ID of the model to be loaded
     */
    public function loadModel($id) {
        $model = Usuario::model()->findByPk($id);
        if ($model === null)
            throw new CHttpException(404, Yii::t('profind', 'La página solicitada no existe.'));

        return $model;
    }

    /**
     * Performs the AJAX validation.
     * @param CModel the model to be validated
     */
    protected function performAjaxValidation($model) {
        if (isset($_POST['ajax']) && $_POST['ajax'] === 'usuario-form') {
            echo CActiveForm::validate($model);
            Yii::app()->end();
        }
    }
}