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<?php |
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namespace kalanis\kw_connect\eloquent; |
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use ArrayIterator; |
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use Illuminate\Database\Eloquent\Builder; |
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use Illuminate\Database\Eloquent\Collection; |
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use kalanis\kw_connect\core\AConnector; |
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use kalanis\kw_connect\core\Interfaces\IFilterFactory; |
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use kalanis\kw_connect\core\Interfaces\IFilterSubs; |
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use kalanis\kw_connect\core\Interfaces\IIterableConnector; |
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use kalanis\kw_connect\core\Interfaces\IOrder; |
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use kalanis\kw_connect\core\Interfaces\IRow; |
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/** |
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* Class Connector |
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* @package kalanis\kw_connect\eloquent |
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* Data source is Laravel\Eloquent |
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*/ |
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class Connector extends AConnector implements IIterableConnector |
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{ |
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protected Builder $queryBuilder; |
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protected string $primaryKey; |
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/** @var array<int, array<string>> */ |
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protected array $sorters = []; |
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protected ?int $limit = null; |
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protected ?int $offset = null; |
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/** @var Collection */ |
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protected $rawData = null; |
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protected bool $dataFetched = false; |
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public function __construct(Builder $queryBuilder, string $primaryKey) |
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{ |
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$this->queryBuilder = $queryBuilder; |
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$this->primaryKey = $primaryKey; |
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} |
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public function setFiltering(string $colName, string $filterType, $value): void |
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{ |
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$type = $this->getFilterFactory()->getFilter($filterType); |
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if ($type instanceof IFilterSubs) { |
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$type->addFilterFactory($this->getFilterFactory()); |
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} |
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$type->setDataSource($this->queryBuilder); |
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$type->setFiltering($colName, $value); |
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} |
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public function setOrdering(string $colName, string $direction): void |
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{ |
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$this->sorters[] = [$colName, $direction]; |
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} |
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public function setPagination(?int $offset, ?int $limit): void |
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{ |
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$this->offset = $offset; |
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$this->limit = $limit; |
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} |
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public function getTotalCount(): int |
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{ |
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// count needs only filtered content |
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$dataSource = clone $this->queryBuilder; |
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return $dataSource->count(); |
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} |
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public function fetchData(): void |
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{ |
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foreach (array_reverse($this->sorters) as list($colName, $direction)) { |
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$dir = IOrder::ORDER_ASC == $direction ? 'asc' : 'desc' ; |
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$this->queryBuilder->orderBy($colName, $dir); |
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} |
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$this->rawData = $this->queryBuilder->offset($this->offset)->limit($this->limit)->get(); |
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$this->parseData(); |
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} |
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protected function parseData(): void |
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{ |
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foreach ($this->rawData->getIterator() as $iterate) { |
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$this->translatedData[$this->getPrimaryKey($iterate)] = $this->getTranslated($iterate); |
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} |
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} |
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protected function getTranslated(ArrayIterator $data): IRow |
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{ |
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return new Row($data); |
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} |
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protected function getPrimaryKey(ArrayIterator $record): string |
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{ |
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return strval($record->offsetGet($this->primaryKey)); |
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} |
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public function getFilterFactory(): IFilterFactory |
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{ |
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return Filters\Factory::getInstance(); |
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} |
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} |
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alex-kalanis /
kw_connect
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