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<?php |
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namespace kalanis\kw_mapper\Mappers\Shared; |
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use kalanis\kw_mapper\MapperException; |
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use kalanis\kw_mapper\Records; |
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/** |
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* Trait TStore |
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* @package kalanis\kw_mapper\Mappers\Shared |
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* Abstract for manipulation with file content as table |
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*/ |
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trait TStore |
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{ |
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use TTranslate; |
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/** |
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* @param Records\ARecord $record |
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* @throws MapperException |
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* @return Records\ARecord[] |
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*/ |
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protected function loadSource(Records\ARecord $record): array |
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{ |
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$lines = $this->loadFromStorage(); |
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$records = []; |
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foreach ($lines as &$line) { |
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$item = clone $record; |
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foreach ($this->getRelations() as $objectKey => $recordKey) { |
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$entry = $item->getEntry($objectKey); |
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$entry->setData($this->translateTypeFrom($entry->getType(), $line[$recordKey]), true); |
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} |
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$records[] = $item; |
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} |
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return $records; |
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} |
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/** |
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* @param Records\ARecord[] $records |
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* @throws MapperException |
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* @return bool |
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*/ |
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protected function saveSource(array $records): bool |
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{ |
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$lines = []; |
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foreach ($records as &$record) { |
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$dataLine = []; |
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foreach ($this->getRelations() as $objectKey => $recordKey) { |
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$entry = $record->getEntry($objectKey); |
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$dataLine[$recordKey] = $this->translateTypeTo($entry->getType(), $entry->getData()); |
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} |
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$linePk = $this->generateKeyFromPks($record); |
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if ($linePk) { |
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$lines[$linePk] = $dataLine; |
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} else { |
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$lines[] = $dataLine; |
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} |
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} |
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return $this->saveToStorage($lines); |
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} |
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/** |
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* @param Records\ARecord $record |
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* @throws MapperException |
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* @return string|null |
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*/ |
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private function generateKeyFromPks(Records\ARecord $record): ?string |
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{ |
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$toComplete = []; |
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foreach ($this->getPrimaryKeys() as $key) { |
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$toComplete[] = $record->offsetGet($key); |
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} |
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return (count(array_filter($toComplete))) ? implode('_', $toComplete) : null ; |
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} |
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/** |
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* @throws MapperException |
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* @return array<string|int, array<string|int, string|int|array<string|int, string|int>>> |
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*/ |
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abstract protected function loadFromStorage(): array; |
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/** |
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* @param array<string|int, array<string|int, string|int|array<string|int, string|int>>> $content |
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* @throws MapperException |
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* @return bool |
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*/ |
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abstract protected function saveToStorage(array $content): bool; |
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/** |
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* @return string[] |
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*/ |
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abstract public function getPrimaryKeys(): array; |
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/** |
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* @return array<string|int, string|int> |
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*/ |
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abstract public function getRelations(): array; |
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} |
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alex-kalanis /
kw_mapper
