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Приложение. Листинг программного кода (фрагмент)
<?php
namespace app\controllers;
use Yii;
use app\models\Request;
use app\models\RequestSearch;
use app\models\RequestService;
use app\models\RequestServiceSearch;
use yii\web\Controller;
use yii\web\NotFoundHttpException;
use yii\filters\VerbFilter;
use yii\filters\AccessControl;
use yii\base\UserException;
/**
* RequestController implements the CRUD actions for Request model.
*/
class RequestController extends Controller
{
public function behaviors()
{
return [
'verbs' => [
'class' => VerbFilter::className(),
'actions' => [
'delete' => ['post'],
],
],
'access' => [
'class' => AccessControl::className(),
'rules' => [
[
'actions' => ['index', 'view', 'create', 'delete', 'add-
service', 'request-full'],
'allow' => true,
'roles' => ['@'],
'matchCallback' => function ($rule, $action)
{
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return Yii::$app->user->identity-
>IsClient;
}
],
[
'actions' => ['index', 'view', 'create', 'delete', 'add-
service', 'request-select', 'request-paid', 'request-performing', 'request-performed'],
'allow' => true,
'roles' => ['@'],
'matchCallback' => function ($rule, $action)
{
return Yii::$app->user->identity-
>IsManager;
}
],
[
'actions' => ['index', 'view', 'create', 'update', 'delete',
'add-service', 'request-select', 'request-paid', 'request-performing', 'request-performed'],
'allow' => true,
'roles' => ['@'],
'matchCallback' => function ($rule, $action)
{
return Yii::$app->user->identity-
>IsAdmin;
}
],
],
],
];
}
/**
* Lists all Request models.
* @return mixed
*/
public function actionIndex()
{
$searchModel = new RequestSearch();
$dataProvider = $searchModel->search(Yii::$app->request->queryParams);
$view_name = '';
switch (Yii::$app->user->identity->id_user_type)
{
case \app\models\User::USER_TYPE_CLIENT :
{
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$view_name = 'client-index';
$dataProvider->query->andWhere(['id_creator' =>
Yii::$app->user->identity->id]);
} break;
case \app\models\User::USER_TYPE_MANAGER :
{
$view_name = 'manager-index';
$dataProvider->query->andWhere(['id_executor' =>
Yii::$app->user->identity->id])->orWhere('id_executor IS NULL')-
>andWhere('id_request_status > ' .
\app\models\Request::REQUEST_STATUS_OPEN);
} break;
case \app\models\User::USER_TYPE_ADMIN :
{
$view_name = 'admin-index';
} break;
}
return $this->render($view_name, [
'searchModel' => $searchModel,
'dataProvider' => $dataProvider,
]);
}
/**
* Displays a single Request model.
* @param integer $id
* @return mixed
*/
public function actionView($id)
{
$view_name = '';
switch (Yii::$app->user->identity->id_user_type)
{
case \app\models\User::USER_TYPE_CLIENT :
{
$view_name = 'client-view';
} break;
case \app\models\User::USER_TYPE_MANAGER :
{
$view_name = 'manager-view';
} break;
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case \app\models\User::USER_TYPE_ADMIN :
{
$view_name = 'admin-view';
} break;
}
return $this->render($view_name, [
'model' => $this->findModel($id),
'editable' => RequestController::RequestEditable ($id, false),
]);
}
public static function RequestGetCurrent ()
{
$models = Request::find()->andWhere (
['id_request_status' => Request::REQUEST_STATUS_OPEN,
'id_creator' => Yii::$app->user->identity->id])->orderby(['id' =>
SORT_ASC])->all();
if (count ($models) == 0)
{
return null;
}
else
{
return $models[0]->id;
}
}
public static function RequestCreate ()
{
$model = new Request();
$model->registration_date = date ('Y-m-d H:i:s');
$model->id_creator = Yii::$app->user->identity->id;
$model->id_request_status = Request::REQUEST_STATUS_OPEN;
$model->save();
return $model->id;
}
public function actionAddService ($id_service)
{
$id = RequestController::RequestGetCurrent ();
if ($id == NULL)
$id = RequestController::RequestCreate ();
$request = RequestController::findModel($id);
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$model = RequestService::find()->andWhere (['id_request' => $request-
>id, 'id_service' => $id_service])->one();
if (empty ($model) == true)
{
$model = new RequestService();
$model->id_request = $id;
$model->registration_date = date ('Y-m-d H:i:s');
$model->id_creator = Yii::$app->user->identity->id;
$model->id_service = $id_service;
$model->amount = 1;
$model->cost = $model->idService->cost;
$model->total = $model->cost * $model->amount;
$model->save();
}
else
{
$model->amount += 1;
$model->cost = $model->idService->cost;
$model->total = $model->cost * $model->amount;
$model->save();
}
$request->RecalculateCost();
$this->redirect(['request-service/index', 'id_request' => $request->id]);
}
public function actionRequestFull ($id_request)
{
$request = RequestController::findModel($id_request);
if ($request->id_request_status !=
Request::REQUEST_STATUS_OPEN)
throw new UserException (Yii::t('app', 'Bad Request Status'));
$request->id_request_status = Request::REQUEST_STATUS_FULL;
$request->save();
return $this->redirect(Yii::$app->request->referrer);
}
public function actionRequestPaid ($id_request)
{
$request = RequestController::findModel($id_request);
if ($request->id_request_status !=
Request::REQUEST_STATUS_FULL)
throw new UserException (Yii::t('app', 'Bad Request Status'));
$request->id_executor = Yii::$app->user->identity->id;
$request->paid = true;
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$request->save();
return $this->redirect(Yii::$app->request->referrer);
}
public function actionRequestPerforming ($id_request)
{
$request = RequestController::findModel($id_request);
if ($request->id_request_status !=
Request::REQUEST_STATUS_FULL)
throw new UserException (Yii::t('app', 'Bad Request Status'));
if ($request->paid != true)
throw new UserException (Yii::t('app', 'Request Not Paid'));
$request->id_request_status =
Request::REQUEST_STATUS_PERFORMING;
$request->save();
return $this->redirect(Yii::$app->request->referrer);
}
public function actionRequestPerformed ($id_request)
{
$request = RequestController::findModel($id_request);
if ($request->id_request_status !=
Request::REQUEST_STATUS_PERFORMING)
throw new UserException (Yii::t('app', 'Bad Request Status'));
$request->id_request_status =
Request::REQUEST_STATUS_PERFORMED;
$request->save();
return $this->redirect(Yii::$app->request->referrer);
}
public static function RequestEditable ($id_request, $exception = true)
{
$result = false;
$model = RequestController::findModel($id_request);
switch (Yii::$app->user->identity->id_user_type)
{
case \app\models\User::USER_TYPE_CLIENT :
{
$result = $model->id_request_status ==
Request::REQUEST_STATUS_OPEN;
} break;
case \app\models\User::USER_TYPE_MANAGER :
{
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$result = $model->id_request_status ==
Request::REQUEST_STATUS_FULL && $model->paid == false;
} break;
case \app\models\User::USER_TYPE_ADMIN :
{
$result = $model->id_request_status ==
Request::REQUEST_STATUS_FULL;
} break;
}
if ($exception)
{
if ($result == false)
throw new UserException (Yii::t('app', 'Request Is Not
Editable'));
}
else
return $result;
}
/**
* Creates a new Request model.
* If creation is successful, the browser will be redirected to the 'view' page.
* @return mixed
*/
public function actionCreate()
{
return $this->redirect(['view', 'id' => RequestController::RequestCreate
()]);
}
/**
* Updates an existing Request model.
* If update is successful, the browser will be redirected to the 'view' page.
* @param integer $id
* @return mixed
*/
public function actionUpdate($id)
{
$model = $this->findModel($id);
if ($model->load(Yii::$app->request->post()) && $model->save()) {
return $this->redirect(['view', 'id' => $model->id]);
} else {
return $this->render('update', [
'model' => $model,
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]);
}
}
/**
* Deletes an existing Request model.
* If deletion is successful, the browser will be redirected to the 'index' page.
* @param integer $id
* @return mixed
*/
public function actionDelete($id)
{
RequestController::RequestEditable ($id);
$model = $this->findModel($id);
$model->delete();
return $this->redirect(['index']);
}
/**
* Finds the Request model based on its primary key value.
* If the model is not found, a 404 HTTP exception will be thrown.
* @param integer $id
* @return Request the loaded model
* @throws NotFoundHttpException if the model cannot be found
*/
public static function findModel($id)
{
$model = Request::findOne($id);
if (($model) !== null)
{
/*
if (Yii::$app->user->identity->IsAdmin == false)
{
if ($model->id_executor != Yii::$app->user->identity->id)
{
throw new UserException (Yii::t('app', 'Access
denied'));
}
}
*/
return $model;
} else {
throw new NotFoundHttpException('The requested page does not exist.');
}
}
}