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<?php |
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namespace Bdelespierre\GitStats\Commands; |
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use Bdelespierre\GitStats\Interfaces\GitServiceInterface; |
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use Bdelespierre\GitStats\Interfaces\ProcessServiceInterface; |
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use Bdelespierre\GitStats\Task; |
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use Symfony\Component\Console\Command\Command; |
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use Symfony\Component\Console\Input\InputArgument; |
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use Symfony\Component\Console\Input\InputInterface; |
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use Symfony\Component\Console\Input\InputOption; |
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use Symfony\Component\Console\Output\OutputInterface; |
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class Run extends Command |
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{ |
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protected GitServiceInterface $git; |
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protected ProcessServiceInterface $process; |
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public function __construct(GitServiceInterface $git, ProcessServiceInterface $process) |
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{ |
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$this->git = $git; |
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$this->process = $process; |
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parent::__construct(); |
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} |
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protected function configure() |
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{ |
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$this->setName('run') |
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->setDescription('Iterate through git commits to gather statistics') |
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->addArgument('branch', InputArgument::OPTIONAL, "The branch to use.", "master") |
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->addArgument('tasks', InputArgument::OPTIONAL, "The task file to use.", ".gitstats.php"); |
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} |
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protected function execute(InputInterface $input, OutputInterface $output) |
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{ |
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try { |
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$this->checkEnvironment(); |
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$branch = $this->getBranch($input); |
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$data = $this->runTasks( |
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$this->getTasks($input), |
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$this->git->getCommits($branch) |
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); |
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$output->write($this->format($data)); |
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} catch (\Exception $e) { |
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$output->writeln("<error>{$e->getMessage()}</error>"); |
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return self::FAILURE; |
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} finally { |
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if (isset($branch)) { |
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$this->git->checkout($branch); |
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} |
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} |
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return self::SUCCESS; |
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} |
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private function checkEnvironment(): void |
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{ |
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if (! $this->git->isGitAvailable()) { |
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throw new \RuntimeException("Cannot proceed: unable to find git command."); |
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} |
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if (! $this->git->isGitRepository()) { |
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throw new \RuntimeException(sprintf("Cannot proceed: %s is not a git repository.", getcwd())); |
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} |
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if (! $this->git->updateIndex()) { |
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throw new \RuntimeException("Cannot proceed: unable to update index."); |
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} |
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if ($this->git->hasUnstagedChanges()) { |
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throw new \RuntimeException("Cannot proceed: you have unstaged changes. " . |
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"Please commit or stash them."); |
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} |
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if ($this->git->hasUncommittedChanges()) { |
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throw new \RuntimeException("Cannot proceed: your index contains uncommitted changes. " . |
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"Please commit or stash them."); |
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} |
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} |
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private function getBranch(InputInterface $input): string |
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{ |
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$branch = $input->getArgument('branch'); |
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if (! $this->git->isValidBranch($branch)) { |
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throw new \RuntimeException("Branch {$branch} is not valid."); |
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} |
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return $branch; |
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} |
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private function getTasks(InputInterface $input): array |
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{ |
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$file = $input->getArgument('tasks'); |
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if (! is_readable($file)) { |
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throw new \RuntimeException("File {$file} does not exists."); |
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} |
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$tasks = []; |
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foreach ((require $file)['tasks'] ?? [] as $name => $task) { |
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if (! is_array($task) || ! isset($task['command'])) { |
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$task = ['command' => $task]; |
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} |
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$tasks[] = new Task($this->process, $name, $task['command'], $task['patterns'] ?? []); |
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} |
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return $tasks; |
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} |
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private function runTasks(iterable $tasks, iterable $commits): \Generator |
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{ |
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// headers |
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yield array_merge(['commit', 'date'], ...array_map(fn($task) => $task->getHeaders(), $tasks)); |
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foreach ($commits as $commit) { |
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$this->git->checkout($commit); |
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$timestamp = $this->git->getCommitTimestamp($commit); |
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$data = [ |
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'commit' => $commit, |
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'date' => date('Y-m-d H:i:s', $timestamp), |
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]; |
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foreach ($tasks as $task) { |
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$data += $task->run($commit)->toArray(); |
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} |
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yield $data; |
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} |
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} |
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private function format(iterable $data): \Generator |
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{ |
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$buffer = fopen('php://temp', 'r+'); |
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foreach ($data as $row) { |
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$length = fputcsv($buffer, $row, ',', '"', '\\'); |
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fseek($buffer, ftell($buffer) - $length); |
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yield fgets($buffer); |
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} |
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fclose($buffer); |
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} |
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} |
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bdelespierre /
gitstats
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