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<?php |
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declare(strict_types = 1); |
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namespace Spreadsheet\Writer; |
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use Spreadsheet\{ |
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SpreadsheetInterface, |
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Exception\InvalidArgumentException, |
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SheetInterface, |
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RowInterface, |
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CellInterface, |
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File\Csv, |
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Formatter\FormatterInterface |
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}; |
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use Innmind\Filesystem\{ |
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FileInterface, |
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Directory, |
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Stream\Stream |
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}; |
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use Innmind\Immutable\MapInterface; |
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final class CsvWriter implements WriterInterface |
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{ |
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private $delimiter; |
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private $withHeader; |
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public function __construct( |
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string $delimiter, |
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bool $withHeader, |
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MapInterface $formatters |
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) { |
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if ( |
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empty($delimiter) || |
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(string) $formatters->keyType() !== 'string' || |
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(string) $formatters->valueType() !== FormatterInterface::class |
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) { |
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throw new InvalidArgumentException; |
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} |
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$this->delimiter = $delimiter; |
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$this->withHeader = $withHeader; |
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$this->formatters = $formatters; |
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} |
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public function write(SpreadsheetInterface $spreadsheet): FileInterface |
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{ |
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$directory = $spreadsheet |
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->sheets() |
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->reduce( |
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new Directory($spreadsheet->name()), |
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function(Directory $carry, string $name, SheetInterface $sheet): Directory { |
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return $carry->add($this->buildFile($sheet)); |
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} |
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); |
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if ($directory->count() === 1) { |
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return $directory->get( |
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$spreadsheet->sheets()->values()->first()->name().'.csv' |
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); |
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} |
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return $directory; |
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} |
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private function buildFile(SheetInterface $sheet): FileInterface |
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{ |
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$csv = tmpfile(); |
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$columns = $sheet |
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->columns() |
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->keys() |
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->sort(function($a, $b): bool { |
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return $a > $b; |
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}) |
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->toPrimitive(); |
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$default = array_fill_keys(array_values($columns), ''); |
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if ($this->withHeader) { |
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fputcsv($csv, $columns, $this->delimiter); |
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} |
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$sheet |
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->rows() |
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->values() |
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->sort(function(RowInterface $a, RowInterface $b): bool { |
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return $a->identifier() > $b->identifier(); |
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}) |
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->reduce( |
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$csv, |
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function($carry, RowInterface $row) use ($default) { |
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fputcsv( |
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$carry, |
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$this->fill($default, $row->cells()), |
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$this->delimiter |
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); |
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return $carry; |
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} |
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); |
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return new Csv($sheet->name(), new Stream($csv)); |
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} |
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private function fill(array $default, MapInterface $cells): array |
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{ |
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$line = $cells->reduce( |
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$default, |
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function(array $carry, $column, CellInterface $cell): array { |
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$class = get_class($cell); |
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if ($this->formatters->contains($class)) { |
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$carry[$column] = $this |
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->formatters |
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->get($class) |
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->format($cell); |
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} else { |
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$carry[$column] = (string) $cell; |
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} |
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return $carry; |
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} |
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); |
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return array_values($line); |
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} |
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} |
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Baptouuuu /
Spreadsheet
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: