<?php

namespace app\controllers\base;

abstract class PetController extends \yii\rest\Controller
{
    public function actions()
    {
        return [
            'list' => [
                'class' => \yii\rest\IndexAction::class,
                'modelClass' => \app\models\Pet::class,
                'checkAccess' => [$this, 'checkAccess'],
            ],
            'create' => [
                'class' => \yii\rest\CreateAction::class,
                'modelClass' => \app\models\Pet::class,
                'checkAccess' => [$this, 'checkAccess'],
            ],
            'options' => [
                'class' => \yii\rest\OptionsAction::class,
            ],
        ];
    }

    /**
     * Checks the privilege of the current user.
     *
     * This method checks whether the current user has the privilege
     * to run the specified action against the specified data model.
     * If the user does not have access, a [[ForbiddenHttpException]] should be thrown.
     *
     * @param string $action the ID of the action to be executed
     * @param object $model the model to be accessed. If null, it means no specific model is being accessed.
     * @param array $params additional parameters
     * @throws \yii\web\ForbiddenHttpException if the user does not have access
     */
    abstract public function checkAccess($action, $model = null, $params = []);

    public function actionView($petId)
    {
        $model = $this->findPetModel($petId);
        $this->checkAccess('view', $model);
        return $model;
    }

    public function actionDelete($petId)
    {
        $model = $this->findPetModel($petId);
        $this->checkAccess('delete', $model);

        if ($model->delete() === false) {
            throw new \yii\web\ServerErrorHttpException('Failed to delete the object for unknown reason.');
        }

        \Yii::$app->response->setStatusCode(204);
    }

    public function actionUpdate($petId)
    {
        $model = $this->findPetModel($petId);
        $this->checkAccess('update', $model);

        $model->load(Yii::$app->getRequest()->getBodyParams(), '');
        if ($model->save() === false && !$model->hasErrors()) {
            throw new \yii\web\ServerErrorHttpException('Failed to update the object for unknown reason.');
        }

        return $model;
    }


    /**
     * Returns the Pet model based on the primary key given.
     * If the data model is not found, a 404 HTTP exception will be raised.
     * @param string $id the ID of the model to be loaded.
     * @return \app\models\Pet the model found
     * @throws \yii\web\NotFoundHttpException if the model cannot be found.
     */
    public function findPetModel($id)
    {
        $model = \app\models\Pet::findOne($id);
        if ($model !== null) {
            return $model;
        }
        throw new \yii\web\NotFoundHttpException("Object not found: $id");
    }
}
