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<?php |
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namespace Oc\FieldNotes\Import; |
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use League\Csv\Reader; |
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use Oc\FieldNotes\Exception\FileFormatException; |
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use Symfony\Component\HttpFoundation\File\File; |
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/** |
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* Dear brave soul |
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* Once you are done trying to "optimize" this class, |
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* and break everything but didn't recognize in first place, |
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* please increment the following counter as a warning |
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* for the next brave soul |
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* total_hours_wasted = 42 |
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*/ |
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class FileParser |
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{ |
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/** |
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* @var StructMapper |
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*/ |
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private $structMapper; |
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public function __construct(StructMapper $structMapper) |
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{ |
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$this->structMapper = $structMapper; |
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} |
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/** |
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* @throws FileFormatException |
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*/ |
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public function parseFile(File $file): array |
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{ |
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$csv = Reader::createFromPath($file->getRealPath()); |
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$csv->setDelimiter(','); |
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$csv->setEnclosure('"'); |
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$rows = $this->getRowsFromCsv($csv); |
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return $this->structMapper->map($rows); |
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} |
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private function getRowsFromCsv(Reader $csv): array |
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{ |
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$lines = []; |
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$rows = []; |
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$content = $csv->getContent(); |
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$content = mb_convert_encoding($content, 'UTF-8', 'UTF-16LE'); |
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$rawLines = array_filter(explode("\n", $content)); |
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$tmpString = ''; |
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// is used to support line breaks in the comment section |
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foreach ($rawLines as $key => $rawLine) { |
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$columnCheck = count(str_getcsv($rawLines[$key + 1])); |
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$tmpString .= $rawLine; |
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if ($columnCheck === 4 || $rawLines[$key + 1] === null) { |
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$lines[] = $tmpString; |
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$tmpString = ''; |
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} |
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} |
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foreach ($lines as $line) { |
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$row = str_getcsv($line, ',', '"'); |
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$row = array_map('trim', $row); |
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if (count($row) < 4) { |
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throw new FileFormatException('A row contains more or less than 4 columns'); |
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} |
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$rows[] = $row; |
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} |
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return $rows; |
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} |
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} |
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OpencachingDeutschland /
oc-server3
