igfs/kernel/IGTabel/EloquentDataProvider.php
2024-07-31 12:59:06 +03:00

78 lines
2.1 KiB
PHP

<?php
namespace kernel\IGTabel;
use app\helpers\Debug;
use Exception;
use Illuminate\Database\Eloquent\Model;
class EloquentDataProvider
{
protected int $totalCount;
protected int $perPage = 10;
protected int $currentPage = 1;
protected Model $model;
protected $queryBuilder = false;
protected array $options = [];
protected array $meta = [];
protected string $jsonStr = '';
/**
* @throws Exception
*/
public function __construct($source, array $options)
{
if (is_string($source)) {
$this->queryBuilder = $source::query();
$model = new $source();
} elseif (is_object($source)) {
$this->queryBuilder = $source;
$model = $source->getModel();
} else {
throw new Exception(message: "source is not valid");
}
$this->options = $options;
$this->currentPage = $this->options['currentPage'] ?? 1;
$this->perPage = $this->options['perPage'] ?? 10;
$this->meta['total'] = $model->count();
$this->meta['totalWithFilters'] = $this->queryBuilder->count();
$this->meta['columns'] = $options['columns'] ?? $model->labels();
$this->meta['perPage'] = $options['perPage'] ?? 10;
$this->meta['currentPage'] = $options['currentPage'] ?? 1;
$this->meta['baseUrl'] = $options['baseUrl'] ?? $model->table;
$this->meta['params'] = $options['params'] ?? [];
$this->meta['actions'] = $options['actions'] ?? [];
$this->createQuery();
$this->jsonStr = (new JSONCreator($this->meta, $this->getCollection()->toArray()))->getJson();
}
public function createQuery(): void
{
if ($this->currentPage > 1) {
$this->queryBuilder->skip(($this->currentPage - 1) * $this->perPage)->take($this->perPage);
} else {
$this->queryBuilder->take($this->perPage);
}
}
public function getCollection()
{
return $this->queryBuilder->get();
}
/**
* @return string|null
*/
public function getJson(): string|null
{
return $this->jsonStr;
}
}