1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
namespace NavJobs\Transmit\Traits; |
4
|
|
|
|
5
|
|
|
use Illuminate\Database\Eloquent\Relations\Relation; |
6
|
|
|
|
7
|
|
|
trait QueryHelperTrait { |
8
|
|
|
|
9
|
|
|
/** |
10
|
|
|
* Eager loads the provided includes on the specified model. |
11
|
|
|
* If the class has a fractal instance, will also use include params. |
12
|
|
|
* |
13
|
|
|
* @param $model |
14
|
|
|
* @param $includes |
15
|
|
|
* @return mixed |
16
|
|
|
*/ |
17
|
|
|
protected function eagerLoadIncludes($model, $includes) |
18
|
|
|
{ |
19
|
|
|
$builder = $model; |
20
|
|
|
|
21
|
|
|
foreach ($includes as $include) { |
22
|
|
|
if (method_exists($model, $include) && $model->$include() instanceof Relation) { |
23
|
|
|
$builder = $builder->with([ |
24
|
|
|
$include => function ($query) use ($include) { |
25
|
|
|
$parameters = $this->fractal ? $this->fractal->getIncludeParams($include) : null; |
|
|
|
|
26
|
|
|
$this->applyParameters($query, $parameters); |
27
|
|
|
} |
28
|
|
|
]); |
29
|
|
|
} |
30
|
|
|
} |
31
|
|
|
|
32
|
|
|
return $builder; |
33
|
|
|
} |
34
|
|
|
|
35
|
|
|
/** |
36
|
|
|
* Apply query parameters to the supplied query builder. |
37
|
|
|
* |
38
|
|
|
* @param $builder |
39
|
|
|
* @param Symfony\Component\HttpFoundation\ParameterBag|League\Fractal\ParamBag $parameters |
40
|
|
|
* @return mixed |
41
|
|
|
*/ |
42
|
|
|
protected function applyParameters($builder, $parameters = null) |
43
|
|
|
{ |
44
|
|
|
if (!$parameters) { |
45
|
|
|
return $builder; |
46
|
|
|
} |
47
|
|
|
|
48
|
|
|
if ($parameters->get('sort')) { |
49
|
|
|
$builder = $this->sortBuilder($builder, $parameters); |
50
|
|
|
} |
51
|
|
|
|
52
|
|
|
|
53
|
|
|
if ($parameters->get('limit')) { |
54
|
|
|
$builder = $this->limitBuilder($builder, $parameters); |
55
|
|
|
} |
56
|
|
|
|
57
|
|
|
return $builder; |
58
|
|
|
} |
59
|
|
|
|
60
|
|
|
/** |
61
|
|
|
* Applies sorts to the Builder. |
62
|
|
|
* |
63
|
|
|
* @param $builder |
64
|
|
|
* @param $parameters |
65
|
|
|
*/ |
66
|
|
|
protected function sortBuilder($builder, $parameters) |
67
|
|
|
{ |
68
|
|
|
$sorts = explode(',', str_replace('|', ',', $parameters->get('sort'))); |
69
|
|
|
|
70
|
|
|
foreach ($sorts as $sort) { |
71
|
|
|
$sortDirection = str_contains($sort, '-') ? 'desc' : 'asc'; |
72
|
|
|
$sortColumn = ltrim($sort, '-'); |
73
|
|
|
|
74
|
|
|
$builder = $builder->orderBy($sortColumn, $sortDirection); |
75
|
|
|
} |
76
|
|
|
|
77
|
|
|
return $builder; |
78
|
|
|
} |
79
|
|
|
|
80
|
|
|
/** |
81
|
|
|
* Applies limits to the Builder. |
82
|
|
|
* |
83
|
|
|
* @param $builder |
84
|
|
|
* @param $parameters |
85
|
|
|
*/ |
86
|
|
|
public function limitBuilder($builder, $parameters) |
87
|
|
|
{ |
88
|
|
|
if (is_a($builder, Relation::class)) { |
89
|
|
|
return $builder; |
90
|
|
|
} |
91
|
|
|
|
92
|
|
|
return $builder->take($parameters->get('limit'))->skip($parameters->get('offset')); |
93
|
|
|
} |
94
|
|
|
} |
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: