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<?php |
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declare(strict_types=1); |
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namespace ChangelogGenerator; |
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use Symfony\Component\Console\Output\OutputInterface; |
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use const PHP_EOL; |
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use function array_filter; |
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use function array_map; |
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use function array_unique; |
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use function array_values; |
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use function count; |
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use function mb_strlen; |
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use function sprintf; |
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use function str_repeat; |
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class ChangelogGenerator |
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{ |
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/** @var IssueRepository */ |
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private $issueRepository; |
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/** @var IssueGrouper */ |
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private $issueGrouper; |
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public function __construct(IssueRepository $issueRepository, IssueGrouper $issueGrouper) |
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{ |
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$this->issueRepository = $issueRepository; |
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$this->issueGrouper = $issueGrouper; |
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} |
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public function generate( |
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ChangelogConfig $changelogConfig, |
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OutputInterface $output |
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) : void { |
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$issues = $this->issueRepository->getMilestoneIssues($changelogConfig); |
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$issueGroups = $this->issueGrouper->groupIssues($issues, $changelogConfig); |
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$output->writeln([ |
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$this->buildMarkdownHeaderText($changelogConfig->getMilestone(), '='), |
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'', |
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sprintf('- Total issues resolved: **%s**', $this->getNumberOfIssues($issues)), |
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sprintf('- Total pull requests resolved: **%s**', $this->getNumberOfPullRequests($issues)), |
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sprintf('- Total contributors: **%s**', $this->getNumberOfContributors($issues)), |
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]); |
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foreach ($issueGroups as $issueGroup) { |
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$output->writeln([ |
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'', |
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$this->buildMarkdownHeaderText($issueGroup->getName(), '-'), |
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'', |
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]); |
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foreach ($issueGroup->getIssues() as $issue) { |
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$output->writeln($issue->render()); |
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} |
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} |
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if ($changelogConfig->showContributors()) { |
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$this->outputContributors($output, $issues); |
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} |
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$output->writeln(''); |
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} |
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/** |
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* @param Issue[] $issues |
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*/ |
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private function outputContributors(OutputInterface $output, array $issues) : void |
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{ |
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$contributors = $this->buildContributorsList($issues); |
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$output->writeln([ |
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'', |
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$this->buildMarkdownHeaderText('Contributors', '-'), |
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'', |
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]); |
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foreach ($contributors as $contributor) { |
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$output->writeln(sprintf(' - [@%s](https://github.com/%s)', $contributor, $contributor)); |
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} |
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} |
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/** |
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* @param Issue[] $issues |
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* |
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* @return string[] |
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*/ |
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private function buildContributorsList(array $issues) : array |
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{ |
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$contributors = []; |
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foreach ($issues as $issue) { |
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foreach ($issue->getContributors() as $contributor) { |
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$contributors[$contributor] = $contributor; |
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} |
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} |
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return array_values($contributors); |
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} |
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private function buildMarkdownHeaderText(string $header, string $headerCharacter) : string |
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{ |
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return sprintf( |
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'%s%s%s', |
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$header, |
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PHP_EOL, |
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str_repeat($headerCharacter, mb_strlen($header)) |
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); |
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} |
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/** |
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* @param Issue[] $issues |
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*/ |
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private function getNumberOfIssues(array $issues) : int |
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{ |
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return count(array_filter($issues, static function (Issue $issue) : bool { |
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return ! $issue->isPullRequest(); |
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})); |
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} |
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/** |
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* @param Issue[] $issues |
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*/ |
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private function getNumberOfPullRequests(array $issues) : int |
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{ |
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return count(array_filter($issues, static function (Issue $issue) : bool { |
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return $issue->isPullRequest(); |
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})); |
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} |
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/** |
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* @param Issue[] $issues |
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*/ |
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private function getNumberOfContributors(array $issues) : int |
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{ |
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return count(array_unique(array_map(static function (Issue $issue) : string { |
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return $issue->getUser(); |
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}, $issues))); |
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} |
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} |
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jwage /
changelog-generator
