1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
declare(strict_types=1); |
4
|
|
|
|
5
|
|
|
namespace GraphQL\Doctrine; |
6
|
|
|
|
7
|
|
|
use ArrayAccess; |
8
|
|
|
use Closure; |
9
|
|
|
use GraphQL\Type\Definition\ResolveInfo; |
10
|
|
|
use ReflectionClass; |
11
|
|
|
use ReflectionMethod; |
12
|
|
|
|
13
|
|
|
/** |
14
|
|
|
* A field resolver that will allow access to public properties and getter. |
15
|
|
|
* Arguments, if any, will be forwarded as is to the method. |
16
|
|
|
*/ |
17
|
|
|
class DefaultFieldResolver |
18
|
|
|
{ |
19
|
12 |
|
public function __invoke($source, $args, $context, ResolveInfo $info) |
20
|
|
|
{ |
21
|
12 |
|
$fieldName = $info->fieldName; |
22
|
12 |
|
$property = null; |
23
|
|
|
|
24
|
12 |
|
if (is_object($source)) { |
25
|
11 |
|
$property = $this->resolveObject($source, $args, $fieldName); |
26
|
1 |
|
} elseif (is_array($source) || $source instanceof ArrayAccess) { |
27
|
1 |
|
$property = $this->resolveArray($source, $fieldName); |
28
|
|
|
} |
29
|
|
|
|
30
|
12 |
|
return $property instanceof Closure ? $property($source, $args, $context) : $property; |
31
|
|
|
} |
32
|
|
|
|
33
|
|
|
/** |
34
|
|
|
* Resolve for an object |
35
|
|
|
* @param mixed $source |
36
|
|
|
* @param mixed $args |
37
|
|
|
* @param string $fieldName |
38
|
|
|
* @return mixed |
39
|
|
|
*/ |
40
|
11 |
|
private function resolveObject($source, ?array $args, string $fieldName) |
41
|
|
|
{ |
42
|
11 |
|
$getter = $this->getGetter($source, $fieldName); |
43
|
11 |
|
if ($getter) { |
44
|
4 |
|
$args = $this->orderArguments($getter, $args); |
45
|
|
|
|
46
|
4 |
|
return $getter->invoke($source, ...$args); |
47
|
7 |
|
} elseif (isset($source->{$fieldName})) { |
48
|
1 |
|
return $source->{$fieldName}; |
49
|
|
|
} |
50
|
|
|
|
51
|
6 |
|
return null; |
52
|
|
|
} |
53
|
|
|
|
54
|
|
|
/** |
55
|
|
|
* Resolve for an array |
56
|
|
|
* @param mixed $source |
57
|
|
|
* @param string $fieldName |
58
|
|
|
* @return mixed |
59
|
|
|
*/ |
60
|
1 |
|
private function resolveArray($source, string $fieldName) |
61
|
|
|
{ |
62
|
1 |
|
return $source[$fieldName] ?? null; |
63
|
|
|
} |
64
|
|
|
|
65
|
|
|
/** |
66
|
|
|
* Return the getter/isser method if any valid one exists |
67
|
|
|
* @param mixed $source |
68
|
|
|
* @param string $name |
69
|
|
|
* @return string |
70
|
|
|
*/ |
71
|
11 |
|
private function getGetter($source, string $name): ?ReflectionMethod |
72
|
|
|
{ |
73
|
11 |
|
$class = new ReflectionClass($source); |
74
|
|
|
|
75
|
11 |
|
if (!preg_match('~^(is|has)[A-Z]~', $name) || !$class->hasMethod($name)) |
76
|
9 |
|
$name = 'get' . ucfirst($name); |
77
|
|
|
|
78
|
11 |
|
if ($class->hasMethod($name)) { |
79
|
6 |
|
$method = $class->getMethod($name); |
80
|
6 |
|
if ($method->getModifiers() & ReflectionMethod::IS_PUBLIC) { |
81
|
4 |
|
return $method; |
82
|
|
|
} |
83
|
|
|
} |
84
|
|
|
|
85
|
7 |
|
return null; |
86
|
|
|
} |
87
|
|
|
|
88
|
|
|
/** |
89
|
|
|
* Re-order associative args to ordered args |
90
|
|
|
* @param ReflectionMethod $method |
91
|
|
|
* @param array $args |
92
|
|
|
* @return array |
93
|
|
|
*/ |
94
|
4 |
|
private function orderArguments(ReflectionMethod $method, ?array $args): array |
95
|
|
|
{ |
96
|
4 |
|
$result = []; |
97
|
4 |
|
foreach ($method->getParameters() as $param) { |
98
|
1 |
|
if (array_key_exists($param->getName(), $args)) { |
99
|
1 |
|
$result[] = $args[$param->getName()]; |
100
|
|
|
} |
101
|
|
|
} |
102
|
|
|
|
103
|
4 |
|
return $result; |
104
|
|
|
} |
105
|
|
|
} |
106
|
|
|
|