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<?php |
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namespace UniMan\Drivers\Redis\DataManager; |
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use RedisProxy\RedisProxy; |
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use UniMan\Core\Utils\Filter; |
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class RedisListDataManager |
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{ |
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private $connection; |
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public function __construct(RedisProxy $connection) |
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{ |
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$this->connection = $connection; |
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} |
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public function itemsCount(string $key, array $filter): int |
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{ |
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if (!$filter) { |
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return $this->connection->llen($key); |
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} |
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$totalItems = 0; |
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foreach ($this->connection->lrange($key, 0, -1) as $index => $element) { |
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$item = $this->createElement($index, $element); |
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if (Filter::apply($item, $filter)) { |
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$totalItems++; |
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} |
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} |
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return $totalItems; |
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} |
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public function items(string $key, int $page, int $onPage, array $filter = []): array |
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{ |
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$items = []; |
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$offset = ($page - 1) * $onPage; |
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if (!$filter) { |
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$res = $this->connection->lrange($key, $offset, $offset + $onPage - 1); |
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foreach ($res as $pos => $element) { |
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$index = $offset + $pos; |
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$items[$index] = $this->createElement($index, $element); |
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} |
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return $items; |
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} |
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$skipped = 0; |
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foreach ($this->connection->lrange($key, 0, -1) as $index => $element) { |
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$item = $this->createElement($index, $element); |
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if (!Filter::apply($item, $filter)) { |
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continue; |
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} |
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if ($skipped < $offset) { |
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$skipped++; |
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continue; |
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} |
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$items[$index] = $item; |
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if (count($items) === $onPage) { |
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break; |
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} |
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} |
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return $items; |
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} |
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private function createElement(int $index, string $element): array |
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{ |
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return [ |
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'index' => $index, |
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'element' => $element, |
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'length' => strlen($element), |
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]; |
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} |
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} |
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lulco /
uniman
Loading history...
This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.