1
|
|
|
<?php |
2
|
|
|
declare(strict_types=1); |
3
|
|
|
|
4
|
|
|
namespace OniBus\Handler\ClassMethod\Extractor; |
5
|
|
|
|
6
|
|
|
use OniBus\Handler\ClassMethod\ClassMethod; |
7
|
|
|
use OniBus\Handler\ClassMethod\ClassMethodExtractor; |
8
|
|
|
use ReflectionAttribute; |
9
|
|
|
use ReflectionClass; |
10
|
|
|
use ReflectionException; |
11
|
|
|
use ReflectionFunctionAbstract; |
12
|
|
|
use ReflectionMethod; |
13
|
|
|
use OniBus\Attributes\Handler; |
14
|
|
|
use ReflectionNamedType; |
15
|
|
|
use RuntimeException; |
16
|
|
|
use function Sodium\version_string; |
17
|
|
|
|
18
|
|
|
class ExtractorUsingAttribute implements ClassMethodExtractor |
19
|
|
|
{ |
20
|
|
|
/** |
21
|
|
|
* @var string |
22
|
|
|
*/ |
23
|
|
|
protected $attribute; |
24
|
|
|
|
25
|
|
|
/** |
26
|
|
|
* @var array |
27
|
|
|
*/ |
28
|
|
|
protected $handlersFQCN; |
29
|
|
|
|
30
|
|
|
public function __construct(string $attribute, array $handlersFQCN = []) |
31
|
|
|
{ |
32
|
|
|
$this->assertAttributesAvailable(); |
33
|
|
|
$this->attribute = $attribute; |
34
|
|
|
$this->handlersFQCN = $handlersFQCN; |
35
|
|
|
} |
36
|
|
|
|
37
|
|
|
/** |
38
|
|
|
* @inheritDoc |
39
|
|
|
*/ |
40
|
|
|
public function extractClassMethods(): array |
41
|
|
|
{ |
42
|
|
|
$mapped = []; |
43
|
|
|
foreach ($this->handlersFQCN as $class) { |
44
|
|
|
$mapped = array_merge($mapped, $this->getHandlers($class)); |
45
|
|
|
} |
46
|
|
|
|
47
|
|
|
return $mapped; |
48
|
|
|
} |
49
|
|
|
|
50
|
|
|
/** |
51
|
|
|
* @param string $class |
52
|
|
|
* @return ClassMethod[] |
53
|
|
|
* @throws ReflectionException |
54
|
|
|
*/ |
55
|
|
|
protected function getHandlers(string $class): array |
56
|
|
|
{ |
57
|
|
|
$handlers = []; |
58
|
|
|
if (!class_exists($class)) { |
59
|
|
|
return $handlers; |
60
|
|
|
} |
61
|
|
|
|
62
|
|
|
$reflectionClass = new ReflectionClass($class); |
63
|
|
|
foreach ($reflectionClass->getMethods() as $method) { |
64
|
|
|
$attribute = $this->extractHandlerAttribute($method); |
65
|
|
|
if (empty($attribute)) { |
66
|
|
|
continue; |
67
|
|
|
} |
68
|
|
|
|
69
|
|
|
$handlers[] = new ClassMethod($this->extractMessage($method, $attribute), $class, $method->getName()); |
70
|
|
|
} |
71
|
|
|
|
72
|
|
|
return $handlers; |
73
|
|
|
} |
74
|
|
|
|
75
|
|
|
protected function extractHandlerAttribute(ReflectionFunctionAbstract $method): ?Handler |
76
|
|
|
{ |
77
|
|
|
$attribute = $method->getAttributes($this->attribute, ReflectionAttribute::IS_INSTANCEOF)[0] ?? null; |
78
|
|
|
if ($attribute instanceof ReflectionAttribute) { |
79
|
|
|
$attr = $attribute->newInstance(); |
80
|
|
|
assert($attr instanceof Handler); |
81
|
|
|
return $attr; |
82
|
|
|
} |
83
|
|
|
|
84
|
|
|
return null; |
85
|
|
|
} |
86
|
|
|
|
87
|
|
|
protected function extractMessage(ReflectionMethod $method, Handler $attribute): string |
88
|
|
|
{ |
89
|
|
|
if (!empty($attribute->getMessage())) { |
90
|
|
|
return $attribute->getMessage(); |
91
|
|
|
} |
92
|
|
|
|
93
|
|
|
$hasParameters = (bool) $method->getNumberOfParameters(); |
94
|
|
|
if ($hasParameters) { |
95
|
|
|
$paramType = $method->getParameters()[0]->getType(); |
96
|
|
|
if ($paramType instanceof ReflectionNamedType && !$paramType->isBuiltin()) { |
97
|
|
|
return $paramType->getName(); |
98
|
|
|
} |
99
|
|
|
} |
100
|
|
|
|
101
|
|
|
throw new RuntimeException( |
102
|
|
|
sprintf( |
103
|
|
|
"Invalid Handler Attribute: No 'Message' has been set in %s::%s", |
104
|
|
|
$method->getDeclaringClass()->getName(), |
105
|
|
|
$method->getName() |
106
|
|
|
) |
107
|
|
|
); |
108
|
|
|
} |
109
|
|
|
|
110
|
|
|
public function attributesAvailable(): bool |
111
|
|
|
{ |
112
|
|
|
return PHP_VERSION_ID >= 80000; |
113
|
|
|
} |
114
|
|
|
|
115
|
|
|
public function assertAttributesAvailable():void |
116
|
|
|
{ |
117
|
|
|
if (!$this->attributesAvailable()) { |
118
|
|
|
throw new RuntimeException( |
119
|
|
|
sprintf("Attributes are not available. Use PHP version >= 8.0") |
120
|
|
|
); |
121
|
|
|
} |
122
|
|
|
} |
123
|
|
|
} |
124
|
|
|
|