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QueryBuilder.php
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QueryBuilder.php
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<?php
namespace Spatie\QueryBuilder;
use ArrayAccess;
use Illuminate\Database\Eloquent\Builder as EloquentBuilder;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\Relation;
use Illuminate\Http\Request;
use Illuminate\Pagination\LengthAwarePaginator;
use Illuminate\Support\Collection;
use Illuminate\Support\Traits\ForwardsCalls;
use Spatie\QueryBuilder\Concerns\AddsFieldsToQuery;
use Spatie\QueryBuilder\Concerns\AddsIncludesToQuery;
use Spatie\QueryBuilder\Concerns\AppendsAttributesToResults;
use Spatie\QueryBuilder\Concerns\FiltersQuery;
use Spatie\QueryBuilder\Concerns\SortsQuery;
use Spatie\QueryBuilder\Exceptions\InvalidSubject;
/**
* @mixin EloquentBuilder
*/
class QueryBuilder implements ArrayAccess
{
use FiltersQuery,
SortsQuery,
AddsIncludesToQuery,
AddsFieldsToQuery,
AppendsAttributesToResults,
ForwardsCalls;
/** @var \Spatie\QueryBuilder\QueryBuilderRequest */
protected $request;
/** @var \Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Eloquent\Relations\Relation */
protected $subject;
/**
* @param \Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Eloquent\Relations\Relation $subject
* @param null|\Illuminate\Http\Request $request
*/
public function __construct($subject, ?Request $request = null)
{
$this->initializeSubject($subject)
->initializeRequest($request ?? app(Request::class));
}
/**
* @param \Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Eloquent\Relations\Relation $subject
*
* @return $this
*/
protected function initializeSubject($subject): self
{
throw_unless(
$subject instanceof EloquentBuilder || $subject instanceof Relation,
InvalidSubject::make($subject)
);
$this->subject = $subject;
return $this;
}
protected function initializeRequest(?Request $request = null): self
{
$this->request = $request
? QueryBuilderRequest::fromRequest($request)
: app(QueryBuilderRequest::class);
return $this;
}
public function getEloquentBuilder(): EloquentBuilder
{
if ($this->subject instanceof EloquentBuilder) {
return $this->subject;
}
if ($this->subject instanceof Relation) {
return $this->subject->getQuery();
}
throw InvalidSubject::make($this->subject);
}
public function getSubject()
{
return $this->subject;
}
/**
* @param EloquentBuilder|Relation|string $subject
* @param Request|null $request
*
* @return static
*/
public static function for($subject, ?Request $request = null): self
{
if (is_subclass_of($subject, Model::class)) {
$subject = $subject::query();
}
return new static($subject, $request);
}
public function __call($name, $arguments)
{
$result = $this->forwardCallTo($this->subject, $name, $arguments);
/*
* If the forwarded method call is part of a chain we can return $this
* instead of the actual $result to keep the chain going.
*/
if ($result === $this->subject) {
return $this;
}
if ($result instanceof Model) {
$this->addAppendsToResults(collect([$result]));
}
if ($result instanceof Collection) {
$this->addAppendsToResults($result);
}
if ($result instanceof LengthAwarePaginator) {
$this->addAppendsToResults(collect($result->items()));
}
return $result;
}
public function clone()
{
return clone $this;
}
public function __clone()
{
$this->subject = clone $this->subject;
}
public function __get($name)
{
return $this->subject->{$name};
}
public function __set($name, $value)
{
$this->subject->{$name} = $value;
}
public function offsetExists($offset)
{
return isset($this->subject[$offset]);
}
public function offsetGet($offset)
{
return $this->subject[$offset];
}
public function offsetSet($offset, $value)
{
$this->subject[$offset] = $value;
}
public function offsetUnset($offset)
{
unset($this->subject[$offset]);
}
}