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<?php |
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declare(strict_types=1); |
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namespace PhpCfdi\SatCatalogosPopulate\Converters; |
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use Iterator; |
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use SplFileObject; |
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class CsvFolderJoinFiles |
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{ |
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public function joinFilesInFolder(string $csvFolder): void |
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{ |
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$destinations = $this->obtainFilesThatAreSplitted($csvFolder); |
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foreach ($destinations as $destination => $files) { |
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$this->joinFilesToDestination(array_values($files), $destination); |
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} |
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} |
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/** |
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* @param array<int, string> $files |
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* @param string $destination |
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*/ |
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public function joinFilesToDestination(array $files, string $destination): void |
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{ |
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$skipFirstLines = 0; |
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$firstSource = $files[0]; |
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file_put_contents($destination, ''); // clear the file contents |
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foreach ($files as $i => $source) { |
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if ($i > 0 && 0 === $skipFirstLines) { |
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$skipFirstLines = $this->findLinesToSkip($firstSource, $source); |
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} |
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$skipLastLines = 0; |
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if ($this->lastLineContains($source, ['Continúa en'])) { |
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$skipLastLines = 1; |
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} |
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$this->writeLines($source, $destination, $skipFirstLines, $skipLastLines); |
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} |
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} |
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/** |
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* @param string $csvFolder |
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* @return array<string, array<int, string>> |
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*/ |
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public function obtainFilesThatAreSplitted(string $csvFolder): array |
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{ |
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$files = array_filter( |
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array_map( |
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function ($path): array { |
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$file = basename($path); |
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$matches = []; |
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if (! (bool) preg_match('/^[ ]*(.+)_Parte_([0-9]+)[ ]*\.csv$/', $file, $matches) |
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&& ! (bool) preg_match('/^[ ]*(.+) \(Parte ([0-9]+)\)[ ]*\.csv$/', $file, $matches) |
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&& ! (bool) preg_match('/^[ ]*(.+)_([0-9]+)[ ]*\.csv$/', $file, $matches) |
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) { |
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return []; |
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} |
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return [ |
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'destination' => dirname($path) . '/' . trim($matches[1]) . '.csv', |
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'index' => (int) $matches[2], |
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'source' => $path, |
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]; |
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}, |
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glob($csvFolder . '/*.csv') ?: [] |
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) |
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); |
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uasort($files, function ($first, $second) { |
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return ($first['destination'] <=> $second['destination']) ?: $first['index'] <=> $second['index']; |
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}); |
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$destinations = []; |
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foreach ($files as $file) { |
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$destinations[strval($file['destination'])][] = strval($file['source']); |
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} |
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return $destinations; |
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} |
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public function writeLines(string $source, string $destination, int $skipFirstLines, int $skipLastLines): void |
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{ |
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$command = implode(' ', [ |
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'cat ' . escapeshellarg($source), // send the file to the pipes |
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sprintf('| tail -n +%d', $skipFirstLines + 1), // without firsts n lines |
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sprintf('| head -n -%d', $skipLastLines), // without last n lines |
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'>> ' . escapeshellarg($destination), // create/append to destination |
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]); |
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shell_exec($command); |
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} |
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public function findLinesToSkip(string $firstPath, string $secondPath): int |
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{ |
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$lines = 0; |
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$first = new SplFileObject($firstPath, 'r'); |
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$second = new SplFileObject($secondPath, 'r'); |
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while ($this->splCurrentLinesAreEqual($first, $second)) { |
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$first->next(); |
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$second->next(); |
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$lines = $lines + 1; |
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} |
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return $lines; |
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} |
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private function splCurrentLinesAreEqual(Iterator $first, Iterator $second): bool |
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{ |
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if (! $first->valid() || ! $second->valid()) { |
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return false; |
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} |
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$firstValue = $this->splCurrentLinesAreEqualNormalizeValue($first->current()); |
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$secondValue = $this->splCurrentLinesAreEqualNormalizeValue($second->current()); |
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return ($firstValue === $secondValue); |
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} |
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/** |
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* @param string|mixed $current |
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* @return string|mixed |
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*/ |
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private function splCurrentLinesAreEqualNormalizeValue($current) |
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{ |
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if (! is_string($current)) { |
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return $current; |
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} |
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return trim(implode(',', array_map('trim', explode(',', rtrim($current, ','))))); |
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} |
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/** |
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* @param string $filename |
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* @param string[] $searchterms |
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* @return bool |
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*/ |
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public function lastLineContains(string $filename, array $searchterms): bool |
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{ |
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$lastline = $this->obtainFileLastLine($filename); |
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foreach ($searchterms as $search) { |
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if (false !== strpos($lastline, $search)) { |
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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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public function obtainFileLastLine(string $filename): string |
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{ |
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$command = sprintf("tail -n 5 %s | grep -v '/^$/' | tail -n 1", escapeshellarg($filename)); |
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return shell_exec($command) ?: ''; |
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} |
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} |
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phpcfdi /
sat-catalogos-populate
