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<?php

/**

* Copyright 2017 Google Inc.

*

* 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.

*/

namespace Google\Cloud\Samples\Storage;

use Symfony\Component\Console\Command\Command;

use Symfony\Component\Console\Input\InputArgument;

use Symfony\Component\Console\Input\InputInterface;

use Symfony\Component\Console\Input\InputOption;

use Symfony\Component\Console\Output\OutputInterface;

/**

* Command line utility to manage Cloud Storage bucket labels.

*

* Usage: php storage.php bucket-labels

*/

class BucketLabelsCommand extends Command

{

protected function configure()

{

$this

->setName('bucket-labels')

->setDescription('Manage Cloud Storage bucket labels')

->setHelp(<<<EOF

The <info>%command.name%</info> command manages Cloud Storage Bucket labels.

<info>php %command.full_name% --help</info>

EOF

)

->addArgument(

'bucket',

InputArgument::REQUIRED,

'The Cloud Storage bucket name'

)

->addArgument(

'label',

InputArgument::OPTIONAL,

'The Cloud Storage label'

)

->addOption(

'value',

null,

InputOption::VALUE_REQUIRED,

'Set the value of the label'

)

->addOption(

'remove',

null,

InputOption::VALUE_NONE,

'Remove the buckets label'

)

;

}

protected function execute(InputInterface $input, OutputInterface $output)

{

$bucketName = $input->getArgument('bucket');

if ($label = $input->getArgument('label')) {

if ($value = $input->getOption('value')) {

add_bucket_label($bucketName, $label, $value);

} elseif ($input->getOption('remove')) {

remove_bucket_label($bucketName, $label);

} else {

throw new \Exception('You must provide --value or --remove '

. 'when including a label name.');

}

} else {

get_bucket_labels($bucketName);

}

}

}