1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
namespace Koch\Casters; |
4
|
|
|
|
5
|
|
|
use Closure; |
6
|
|
|
use Illuminate\Database\Eloquent\Model; |
7
|
|
|
use Illuminate\Database\Eloquent\Collection; |
8
|
|
|
use Koch\Casters\Behavior\BuildsCastQueries; |
9
|
|
|
use Koch\Casters\Contracts\Caster as CasterContract; |
10
|
|
|
|
11
|
|
|
abstract class Caster implements CasterContract |
12
|
|
|
{ |
13
|
|
|
use BuildsCastQueries; |
14
|
|
|
|
15
|
|
|
/** |
16
|
|
|
* Determines the function sign. |
17
|
|
|
* |
18
|
|
|
* @var string |
19
|
|
|
*/ |
20
|
|
|
private $functionSign = '@'; |
21
|
|
|
|
22
|
|
|
/** |
23
|
|
|
* Determines the query sign. |
24
|
|
|
* |
25
|
|
|
* @var string |
26
|
|
|
*/ |
27
|
|
|
private $querySign = '!'; |
28
|
|
|
|
29
|
|
|
/** |
30
|
|
|
* Casts collection fields. |
31
|
|
|
* |
32
|
|
|
* @param mixed $model |
33
|
|
|
* @return array |
34
|
|
|
*/ |
35
|
|
|
public function cast($model) |
36
|
|
|
{ |
37
|
|
|
if ($model instanceof Collection) { |
38
|
|
|
return $model->map([$this, 'cast'])->toArray(); |
39
|
|
|
} |
40
|
|
|
|
41
|
|
|
if (empty($model)) { |
42
|
|
|
return; |
43
|
|
|
} |
44
|
|
|
|
45
|
|
|
$transformed = []; |
46
|
|
|
|
47
|
|
|
foreach ($this->castRules() as $old => $desired) { |
48
|
|
|
$this->resolveCast($old, $desired, $model, $transformed); |
49
|
|
|
} |
50
|
|
|
|
51
|
|
|
return $transformed; |
52
|
|
|
} |
53
|
|
|
|
54
|
|
|
/** |
55
|
|
|
* Resolves casts based on supplied array of arguments. |
56
|
|
|
* |
57
|
|
|
* @param string $old |
58
|
|
|
* @param string|Closure $desired |
59
|
|
|
* @param \Illuminate\Database\Eloquent\Model $model |
60
|
|
|
* @param array &$transformed |
61
|
|
|
* @return array |
62
|
|
|
*/ |
63
|
|
|
private function resolveCast($old, $desired, Model $model, &$transformed) |
64
|
|
|
{ |
65
|
|
|
if ($desired instanceof Closure) { |
66
|
|
|
return $transformed[$old] = call_user_func($desired, $model); |
67
|
|
|
} |
68
|
|
|
|
69
|
|
|
if (is_string($desired) && strpos($desired, $this->functionSign) !== false) { |
70
|
|
|
return $transformed[$old] = call_user_func([$this, substr($desired, 1)], $model); |
71
|
|
|
} |
72
|
|
|
|
73
|
|
|
if (is_string($desired) && strpos($desired, $this->querySign) !== false) { |
74
|
|
|
return $this->parse($old, substr($desired, 1), $model, $transformed); |
75
|
|
|
} |
76
|
|
|
|
77
|
|
|
if (is_string($old)) { |
78
|
|
|
return $transformed[$desired] = $model->$old; |
79
|
|
|
} |
80
|
|
|
|
81
|
|
|
return $transformed[$desired] = $model->$desired; |
82
|
|
|
} |
83
|
|
|
|
84
|
|
|
/** |
85
|
|
|
* Returns the cast rules. |
86
|
|
|
* |
87
|
|
|
* @return array |
88
|
|
|
*/ |
89
|
|
|
abstract protected function castRules(); |
90
|
|
|
} |
91
|
|
|
|