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Copy pathPaginatedDomainCollection.php
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123 lines (99 loc) · 2.75 KB
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<?php
declare(strict_types=1);
namespace MsgPhp\Domain;
/**
* @author Roland Franssen <franssen.roland@gmail.com>
*/
final class PaginatedDomainCollection implements PaginatedDomainCollectionInterface
{
private $collection;
private $offset;
private $limit;
private $count;
private $totalCount;
public static function fromValue(?iterable $value): DomainCollectionInterface
{
return new self($value ?? []);
}
public function __construct(iterable $elements, float $offset = .0, float $limit = .0, float $count = null, float $totalCount = null)
{
if (null !== $count) {
$count = (int) $count;
}
$this->collection = $elements instanceof DomainCollectionInterface ? $elements : DomainCollection::fromValue($elements);
$this->offset = $offset;
$this->limit = $limit;
$this->count = $count;
$this->totalCount = $totalCount;
}
public function getIterator(): \Traversable
{
return $this->collection->getIterator();
}
public function isEmpty(): bool
{
return $this->collection->isEmpty();
}
public function contains($element): bool
{
return $this->collection->contains($element);
}
public function containsKey($key): bool
{
return $this->collection->containsKey($key);
}
public function first()
{
return $this->collection->first();
}
public function last()
{
return $this->collection->last();
}
public function get($key)
{
return $this->collection->get($key);
}
public function filter(callable $filter): DomainCollectionInterface
{
return $this->collection->filter($filter);
}
public function slice(int $offset, int $limit = 0): DomainCollectionInterface
{
return $this->collection->slice($offset, $limit);
}
public function map(callable $mapper): array
{
return $this->collection->map($mapper);
}
public function count(): int
{
return $this->count ?? $this->count = \count($this->collection);
}
public function getOffset(): float
{
return $this->offset;
}
public function getLimit(): float
{
return $this->limit;
}
public function getCurrentPage(): float
{
if (0 >= $this->limit) {
return 1.;
}
return floor($this->offset / $this->limit) + 1.;
}
public function getLastPage(): float
{
if (0 >= $this->limit) {
return 1.;
}
return ceil($this->getTotalCount() / $this->limit) ?: 1.;
}
public function getTotalCount(): float
{
return $this->totalCount ?? $this->totalCount = (float) \count($this);
}
}