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<?php |
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namespace Encore\Admin\Grid\Exporters; |
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use Illuminate\Database\Eloquent\Model; |
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use Illuminate\Support\Collection; |
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use Illuminate\Support\Str; |
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class CsvExporter extends AbstractExporter |
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{ |
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/** |
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* {@inheritdoc} |
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*/ |
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public function export() |
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{ |
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$filename = $this->getTable().'.csv'; |
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$headers = [ |
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'Content-Encoding' => 'UTF-8', |
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'Content-Type' => 'text/csv;charset=UTF-8', |
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'Content-Disposition' => "attachment; filename=\"$filename\"", |
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]; |
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response()->stream(function () { |
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$handle = fopen('php://output', 'w'); |
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$titles = []; |
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$this->chunk(function ($records) use ($handle, &$titles) { |
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if (empty($titles)) { |
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$titles = $this->getHeaderRowFromRecords($records); |
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// Add CSV headers |
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fputcsv($handle, $titles); |
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} |
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foreach ($records as $record) { |
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fputcsv($handle, $this->getFormattedRecord($record)); |
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} |
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}); |
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// Close the output stream |
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fclose($handle); |
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}, 200, $headers)->send(); |
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exit; |
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} |
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/** |
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* @param Collection $records |
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* |
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* @return array |
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*/ |
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public function getHeaderRowFromRecords(Collection $records): array |
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{ |
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$titles = collect(array_dot($records->first()->toArray()))->keys()->map( |
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function ($key) { |
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$key = str_replace('.', ' ', $key); |
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return Str::ucfirst($key); |
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} |
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); |
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return $titles->toArray(); |
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} |
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/** |
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* @param Model $record |
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* |
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* @return array |
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*/ |
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public function getFormattedRecord(Model $record) |
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{ |
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return array_dot($record->getAttributes()); |
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} |
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} |
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z-song /
laravel-admin
