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<?php |
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namespace kalanis\kw_mapper\Mappers; |
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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 TFinder |
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* @package kalanis\kw_mapper\Mappers |
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* Abstract for manipulation with file content as table |
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*/ |
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trait TFinder |
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{ |
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/** @var Records\ARecord[] */ |
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protected $records = []; |
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/** |
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* @param Records\ARecord $record |
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* @param bool $usePks |
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* @param bool $wantFromStorage |
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* @throws MapperException |
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* @return string[]|int[] |
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*/ |
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protected function findMatched(Records\ARecord $record, bool $usePks = false, bool $wantFromStorage = false): array |
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{ |
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$this->loadOnDemand($record); |
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$toProcess = array_keys($this->records); |
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$toProcess = array_combine($toProcess, $toProcess); |
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// through relations |
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foreach ($this->getRelations() as $objectKey => $recordKey) { |
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if (!$record->offsetExists($objectKey)) { // nothing with unknown relation key in record |
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// @codeCoverageIgnoreStart |
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if ($usePks && in_array($objectKey, $this->getPrimaryKeys())) { // is empty PK |
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return []; // probably error? |
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} |
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continue; |
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// @codeCoverageIgnoreEnd |
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} |
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if (empty($record->offsetGet($objectKey))) { // nothing with empty data |
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if ($usePks && in_array($objectKey, $this->getPrimaryKeys())) { // is empty PK |
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return []; |
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} |
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continue; |
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} |
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foreach ($this->records as $knownKey => $knownRecord) { |
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if ( !isset($toProcess[$knownKey]) ) { // not twice |
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continue; |
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} |
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if ($usePks && !in_array($objectKey, $this->getPrimaryKeys())) { // is not PK |
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continue; |
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} |
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if ($wantFromStorage && !$knownRecord->getEntry($objectKey)->isFromStorage()) { // look through only values known in storage |
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continue; |
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} |
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if ( !$knownRecord->offsetExists($objectKey) ) { // unknown relation key in record is not allowed into compare |
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// @codeCoverageIgnoreStart |
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unset($toProcess[$knownKey]); |
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continue; |
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} |
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// @codeCoverageIgnoreEnd |
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if ( empty($knownRecord->offsetGet($objectKey)) ) { // empty input is not need to compare |
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unset($toProcess[$knownKey]); |
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continue; |
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} |
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if ( strval($knownRecord->offsetGet($objectKey)) != strval($record->offsetGet($objectKey)) ) { |
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unset($toProcess[$knownKey]); |
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continue; |
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} |
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} |
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} |
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return $toProcess; |
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} |
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/** |
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* More records on one mapper - reload with correct one |
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* @param Records\ARecord $record |
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* @throws MapperException |
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*/ |
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protected function loadOnDemand(Records\ARecord $record): void |
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{ |
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if (empty($this->records)) { |
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$this->records = $this->loadSource($record); |
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} else { |
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$test = reset($this->records); |
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if (get_class($test) != get_class($record)) { // reload other data - changed record |
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// @codeCoverageIgnoreStart |
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$this->records = $this->loadSource($record); |
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} |
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// @codeCoverageIgnoreEnd |
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} |
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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 Records\ARecord[] |
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*/ |
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abstract protected function loadSource(Records\ARecord $record): array; |
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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
