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<?php

/*

* Copyright 2020 Google LLC.

*

* Licensed under the Apache License, Version 2.0 (the "License");

* you may not use this file except in compliance with the License.

* You may obtain a copy of the License at

*

* http://www.apache.org/licenses/LICENSE-2.0

*

* Unless required by applicable law or agreed to in writing, software

* distributed under the License is distributed on an "AS IS" BASIS,

* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

* See the License for the specific language governing permissions and

* limitations under the License.

*/

declare(strict_types=1);

use Google\Cloud\Samples\CloudSQL\SQLServer\DatabaseTcp;

use Google\Cloud\Samples\CloudSQL\SQLServer\Votes;

use Pimple\Container;

use Pimple\Psr11\Container as Psr11Container;

use Slim\Factory\AppFactory;

use Slim\Views\Twig;

use Slim\Views\TwigMiddleware;

// Create and set the dependency injection container.

$container = new Container();

AppFactory::setContainer(new Psr11Container($container));

// add the votes manager to the container.

$container['votes'] = function (Container $container) {

return new Votes($container['db']);

};

// Setup the database connection in the container.

$container['db'] = function () {

if (getenv('DB_USER') === false) {

throw new RuntimeException('Must supply $DB_USER environment variable');

}

if (getenv('DB_PASS') === false) {

throw new RuntimeException('Must supply $DB_PASS environment variable');

}

if (getenv('DB_NAME') === false) {

throw new RuntimeException('Must supply $DB_NAME environment variable');

}

if (getenv('INSTANCE_HOST') === false) {

throw new RuntimeException(

'Must supply $INSTANCE_HOST environment variable'

);

}

return DatabaseTcp::initTcpDatabaseConnection();

};

// Configure the templating engine.

$container['view'] = function () {

return Twig::create(__DIR__ . '/../views');

};

// Create the application.

$app = AppFactory::create();

// Add the twig middleware

$app->add(TwigMiddleware::createFromContainer($app));

// Setup error handlinmg

$app->addErrorMiddleware(true, false, false);

return $app;