Completed
Pull Request — master (#40)
by Wachter
05:27
created

ProcessExecutor::execute()   A

Complexity

Conditions 2
Paths 2

Size

Total Lines 14
Code Lines 8

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 8
CRAP Score 2

Importance

Changes 1
Bugs 0 Features 1
Metric Value
c 1
b 0
f 1
dl 0
loc 14
ccs 8
cts 8
cp 1
rs 9.4285
cc 2
eloc 8
nc 2
nop 1
crap 2
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<?php
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/*
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 * This file is part of php-task library.
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 *
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 * (c) php-task
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 *
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 * This source file is subject to the MIT license that is bundled
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 * with this source code in the file LICENSE.
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 */
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namespace Task\TaskBundle\Executor;
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use Symfony\Component\Process\ProcessBuilder;
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use Task\Execution\TaskExecutionInterface;
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use Task\Runner\ExecutorInterface;
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use Task\TaskBundle\Command\ExecuteCommand;
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/**
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 * Uses a process to start the executions via console-command.
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 */
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class ProcessExecutor implements ExecutorInterface
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{
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    /**
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     * @var string
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     */
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    private $consoleFile;
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    /**
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     * @var string
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     */
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    private $environment;
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    /**
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     * @param string $consoleFile
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     * @param string $environment
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     */
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    public function __construct($consoleFile, $environment)
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    {
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        $this->consoleFile = $consoleFile;
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        $this->environment = $environment;
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    }
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    /**
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     * {@inheritdoc}
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     */
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    public function execute(TaskExecutionInterface $execution)
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    {
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        $process = ProcessBuilder::create(
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            [$this->consoleFile, 'task:execute', $execution->getUuid(), '-e ' . $this->environment]
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        )->getProcess();
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        $process->run();
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        if (!$process->isSuccessful()) {
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            throw new ProcessException($process->getErrorOutput());
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        }
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        return $this->extractResult($process->getOutput());
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    }
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    /**
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     * Extract the result from output.
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     *
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     * @param string $output
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     *
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     * @return string
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     */
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    private function extractResult($output)
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    {
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        $match = preg_match(
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            sprintf(
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                '/%s(?<result>.*)%s/s',
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                preg_quote(ExecuteCommand::START_RESULT),
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                preg_quote(ExecuteCommand::END_RESULT)
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            ),
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            $output,
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            $matches
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        );
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        if (!$match) {
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            return;
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        }
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        return $matches['result'];
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    }
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}
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