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<?php |
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namespace kalanis\kw_mapper\Mappers\Shared; |
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use kalanis\kw_mapper\Interfaces\IFileFormat; |
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use kalanis\kw_mapper\MapperException; |
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use kalanis\kw_mapper\Records\ARecord; |
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/** |
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* Trait TFile |
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* @package kalanis\kw_mapper\Mappers\Storage |
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* Abstract layer for working with single files as content source |
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*/ |
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trait TFile |
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{ |
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use TContent; |
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use TSource; |
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use TPrimaryKey; |
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public function setPathKey(string $pathKey): self |
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{ |
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$this->addPrimaryKey($pathKey); |
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return $this; |
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} |
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/** |
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* @param ARecord $record |
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* @throws MapperException |
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* @return bool |
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*/ |
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protected function insertRecord(ARecord $record): bool |
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{ |
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return $this->updateRecord($record); |
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} |
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/** |
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* @param ARecord $record |
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* @throws MapperException |
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* @return bool |
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*/ |
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protected function updateRecord(ARecord $record): bool |
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{ |
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$this->setSource(strval($record->offsetGet($this->getPathFromPk($record)))); |
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return $this->saveToStorage([[$record->offsetGet($this->getContentKey())]]); |
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} |
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/** |
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* @param ARecord $record |
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* @throws MapperException |
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* @return int |
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*/ |
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public function countRecord(ARecord $record): int |
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{ |
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$this->setSource(strval($record->offsetGet($this->getPathFromPk($record)))); |
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return intval(!empty($this->loadFromStorage())); |
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} |
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/** |
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* @param ARecord $record |
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* @throws MapperException |
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* @return bool |
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*/ |
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protected function loadRecord(ARecord $record): bool |
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{ |
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$this->setSource(strval($record->offsetGet($this->getPathFromPk($record)))); |
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$stored = $this->loadFromStorage(); |
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$row = reset($stored); |
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if (false === $row || !is_array($row)) { |
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throw new MapperException('Cannot load data array from storage'); |
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} |
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$entry = reset($row); |
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if (false === $entry) { |
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throw new MapperException('Cannot load data entry from storage'); |
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} |
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$record->getEntry($this->getContentKey())->setData($entry, true); |
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return true; |
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} |
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/** |
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* @param ARecord $record |
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* @throws MapperException |
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* @return string |
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*/ |
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protected function getPathFromPk(ARecord $record): string |
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{ |
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$pk = reset($this->primaryKeys); |
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if (!$pk || empty($record->offsetGet($pk))) { |
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throw new MapperException('Cannot manipulate content without primary key - path!'); |
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} |
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return $pk; |
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} |
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/** |
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* @param IFileFormat|null $format |
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* @throws MapperException |
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* @return array<string|int, array<string|int, string|int|float|bool|array<string|int, string|int|float|bool>>> |
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*/ |
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abstract protected function loadFromStorage(?IFileFormat $format = null): array; |
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/** |
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* @param array<string|int, array<string|int, string|int|float|bool|array<string|int, string|int|float|bool>>> $content |
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* @param IFileFormat|null $format |
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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, ?IFileFormat $format = null): bool; |
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} |
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alex-kalanis /
kw_mapper
