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<?php |
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declare(strict_types=1); |
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namespace SavinMikhail\CommentsDensity\AnalyzeComments\Analyzer; |
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use Psr\Cache\InvalidArgumentException; |
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use SavinMikhail\CommentsDensity\AnalyzeComments\Analyzer\DTO\Output\CommentDTO; |
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use SavinMikhail\CommentsDensity\AnalyzeComments\Analyzer\DTO\Output\CommentStatisticsDTO; |
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use SavinMikhail\CommentsDensity\AnalyzeComments\Analyzer\DTO\Output\Report; |
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use SavinMikhail\CommentsDensity\AnalyzeComments\Comments\CommentTypeFactory; |
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use SavinMikhail\CommentsDensity\AnalyzeComments\Config\DTO\Config; |
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use SavinMikhail\CommentsDensity\AnalyzeComments\Exception\CommentsDensityException; |
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use SavinMikhail\CommentsDensity\AnalyzeComments\Metrics\MetricsFacade; |
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use SavinMikhail\CommentsDensity\Baseline\Storage\BaselineStorageInterface; |
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use SplFileInfo; |
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use Symfony\Contracts\Cache\CacheInterface; |
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final readonly class Analyzer |
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{ |
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public function __construct( |
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private Config $configDTO, |
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private CommentTypeFactory $commentFactory, |
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private MetricsFacade $metrics, |
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private BaselineStorageInterface $baselineStorage, |
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private CacheInterface $cache, |
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private CommentStatisticsAggregator $statisticsAggregator, |
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) {} |
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/** |
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* @param SplFileInfo[] $files |
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* @throws CommentsDensityException|InvalidArgumentException |
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*/ |
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public function analyze(iterable $files): Report |
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{ |
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$this->metrics->startPerformanceMonitoring(); |
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$comments = []; |
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$filesAnalyzed = 0; |
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$totalLinesOfCode = 0; |
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foreach ($files as $file) { |
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$contentExtractor = new FileContentExtractor($file, $this->configDTO); |
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if ($contentExtractor->shouldSkipFile()) { |
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continue; |
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} |
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$commentFinder = new CommentFinder( |
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$this->commentFactory, |
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$this->configDTO, |
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); |
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$fileComments = $this->cache->get( |
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$this->getCacheKey($file), |
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static fn(): array => $commentFinder($contentExtractor->getContent(), $file->getRealPath()), |
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); |
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$lines = (new FileTotalLinesCounter($file))(); |
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$comments = [...$comments, ...$fileComments]; |
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$totalLinesOfCode += $lines; |
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++$filesAnalyzed; |
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} |
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if ($this->configDTO->useBaseline) { |
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$comments = $this->baselineStorage->filterComments($comments); |
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} |
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$commentStatistics = $this->statisticsAggregator->calculateCommentStatistics($comments); |
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return $this->createReport($comments, $commentStatistics, $filesAnalyzed, $totalLinesOfCode); |
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} |
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private function getCacheKey(SplFileInfo $file): string |
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{ |
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$filePath = $file->getRealPath(); |
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$lastModified = filemtime($filePath); |
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return md5($filePath . $lastModified); |
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} |
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private function checkThresholdsExceeded(): bool |
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{ |
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if ($this->metrics->hasExceededThreshold()) { |
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return true; |
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} |
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foreach ($this->commentFactory->getCommentTypes() as $commentType) { |
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if ($commentType->hasExceededThreshold()) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* @param CommentDTO[] $comments |
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* @param CommentStatisticsDTO[] $preparedStatistics |
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*/ |
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private function createReport( |
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array $comments, |
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array $preparedStatistics, |
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int $filesAnalyzed, |
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int $totalLinesOfCode, |
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): Report { |
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$comToLoc = $this->metrics->prepareComToLoc($preparedStatistics, $totalLinesOfCode); |
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$cds = $this->metrics->prepareCDS($this->metrics->calculateCDS($preparedStatistics)); |
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$exceedThreshold = $this->checkThresholdsExceeded(); |
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$this->metrics->stopPerformanceMonitoring(); |
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$performanceMetrics = $this->metrics->getPerformanceMetrics(); |
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return new Report( |
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$filesAnalyzed, |
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$preparedStatistics, |
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$comments, |
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$performanceMetrics, |
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$comToLoc, |
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$cds, |
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$exceedThreshold, |
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); |
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} |
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} |
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savinmikhail /
Comments-Density
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