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<?php
namespace Yajra\DataTables\Utilities;
use Illuminate\Http\Request as BaseRequest;
/**
* @mixin \Illuminate\Http\Request
*/
class Request
{
/**
* @var BaseRequest
*/
protected BaseRequest $request;
/**
* Request constructor.
*/
public function __construct()
{
$this->request = app('request');
}
/**
* Proxy non-existing method calls to base request class.
*
* @param string $name
* @param array $arguments
* @return mixed
*/
public function __call($name, $arguments)
{
$callback = [$this->request, $name];
if (is_callable($callback)) {
return call_user_func_array($callback, $arguments);
}
}
/**
* Get attributes from request instance.
*
* @param string $name
* @return mixed
*/
public function __get($name)
{
return $this->request->__get($name);
}
/**
* Get all columns request input.
*
* @return array
*/
public function columns(): array
{
return (array) $this->request->input('columns');
}
/**
* Check if DataTables is searchable.
*
* @return bool
*/
public function isSearchable(): bool
{
return $this->request->input('search.value') != '';
}
/**
* Check if DataTables must uses regular expressions.
*
* @param int $index
* @return bool
*/
public function isRegex(int $index): bool
{
return $this->request->input("columns.$index.search.regex") === 'true';
}
/**
* Get orderable columns.
*
* @return array
*/
public function orderableColumns(): array
{
if (! $this->isOrderable()) {
return [];
}
$orderable = [];
for ($i = 0, $c = count((array) $this->request->input('order')); $i < $c; $i++) {
/** @var int $order_col */
$order_col = $this->request->input("order.$i.column");
/** @var string $direction */
$direction = $this->request->input("order.$i.dir");
$order_dir = strtolower($direction) === 'asc' ? 'asc' : 'desc';
if ($this->isColumnOrderable($order_col)) {
$orderable[] = ['column' => $order_col, 'direction' => $order_dir];
}
}
return $orderable;
}
/**
* Check if DataTables ordering is enabled.
*
* @return bool
*/
public function isOrderable(): bool
{
return $this->request->input('order') && count((array) $this->request->input('order')) > 0;
}
/**
* Check if a column is orderable.
*
* @param int $index
* @return bool
*/
public function isColumnOrderable(int $index): bool
{
return $this->request->input("columns.$index.orderable", 'true') == 'true';
}
/**
* Get searchable column indexes.
*
* @return array
*/
public function searchableColumnIndex()
{
$searchable = [];
$columns = (array) $this->request->input('columns');
for ($i = 0, $c = count($columns); $i < $c; $i++) {
if ($this->isColumnSearchable($i, false)) {
$searchable[] = $i;
}
}
return $searchable;
}
/**
* Check if a column is searchable.
*
* @param int $i
* @param bool $column_search
* @return bool
*/
public function isColumnSearchable(int $i, bool $column_search = true): bool
{
if ($column_search) {
return
(
$this->request->input("columns.$i.searchable", 'true') === 'true'
||
$this->request->input("columns.$i.searchable", 'true') === true
)
&& $this->columnKeyword($i) != '';
}
return
$this->request->input("columns.$i.searchable", 'true') === 'true'
||
$this->request->input("columns.$i.searchable", 'true') === true;
}
/**
* Get column's search value.
*
* @param int $index
* @return string
*/
public function columnKeyword(int $index): string
{
/** @var string $keyword */
$keyword = $this->request->input("columns.$index.search.value") ?? '';
return $this->prepareKeyword($keyword);
}
/**
* Prepare keyword string value.
*
* @param float|array|int|string $keyword
* @return string
*/
protected function prepareKeyword(float|array|int|string $keyword): string
{
if (is_array($keyword)) {
return implode(' ', $keyword);
}
return (string) $keyword;
}
/**
* Get global search keyword.
*
* @return string
*/
public function keyword(): string
{
/** @var string $keyword */
$keyword = $this->request->input('search.value') ?? '';
return $this->prepareKeyword($keyword);
}
/**
* Get column name by index.
*
* @param int $i
* @return string|null
*/
public function columnName(int $i): ?string
{
/** @var string[] $column */
$column = $this->request->input("columns.$i");
return (isset($column['name']) && $column['name'] != '') ? $column['name'] : $column['data'];
}
/**
* Check if DataTables allow pagination.
*
* @return bool
*/
public function isPaginationable(): bool
{
return ! is_null($this->request->input('start')) &&
! is_null($this->request->input('length')) &&
$this->request->input('length') != -1;
}
/**
* @return BaseRequest
*/
public function getBaseRequest(): BaseRequest
{
return $this->request;
}
/**
* Get starting record value.
*
* @return int
*/
public function start(): int
{
return intval($this->request->input('start', 0));
}
/**
* Get per page length.
*
* @return int
*/
public function length(): int
{
return intval($this->request->input('length', 10));
}
/**
* Get draw request.
*
* @return int
*/
public function draw(): int
{
return intval($this->request->input('draw', 0));
}
}
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