|
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 there was a closure provided as a value of the array |
|
66
|
|
|
// run that closure and return it as a result of casting. |
|
67
|
|
|
if ($desired instanceof Closure) { |
|
68
|
|
|
return $transformed[$old] = call_user_func($desired, $model); |
|
69
|
|
|
} |
|
70
|
|
|
|
|
71
|
|
|
// If the value was prefixed with the function sign, which |
|
72
|
|
|
// is '@' by default, call desired method on this class. |
|
73
|
|
|
if (is_string($desired) && strpos($desired, $this->functionSign) !== false) { |
|
74
|
|
|
return $transformed[$old] = call_user_func([$this, substr($desired, 1)], $model); |
|
75
|
|
|
} |
|
76
|
|
|
|
|
77
|
|
|
// If it was prefixed with the query sign, which |
|
78
|
|
|
// is '!' by default, make use of the CastBuilder instance |
|
79
|
|
|
// and resolve the cast there. |
|
80
|
|
|
if (is_string($desired) && strpos($desired, $this->querySign) !== false) { |
|
81
|
|
|
return $this->parse($old, substr($desired, 1), $model, $transformed); |
|
82
|
|
|
} |
|
83
|
|
|
|
|
84
|
|
|
// If they specified simple key - value string pairs, simply |
|
85
|
|
|
// rename the column, retaining the contents. |
|
86
|
|
|
if (is_string($old)) { |
|
87
|
|
|
return $transformed[$desired] = $model->$old; |
|
88
|
|
|
} |
|
89
|
|
|
|
|
90
|
|
|
// Otherwise keep unchanged. |
|
91
|
|
|
return $transformed[$desired] = $model->$desired; |
|
92
|
|
|
} |
|
93
|
|
|
|
|
94
|
|
|
/** |
|
95
|
|
|
* Returns the cast rules. |
|
96
|
|
|
* |
|
97
|
|
|
* @return array |
|
98
|
|
|
*/ |
|
99
|
|
|
abstract protected function castRules(); |
|
100
|
|
|
} |
|
101
|
|
|
|
kouks /
laravel-casters
