|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace DrLenux\Chain; |
|
4
|
|
|
|
|
5
|
|
|
/** |
|
6
|
|
|
* Class AbstractChain |
|
7
|
|
|
* @package DrLenux\Chain |
|
8
|
|
|
*/ |
|
9
|
|
|
abstract class AbstractChain |
|
10
|
|
|
{ |
|
11
|
|
|
/** |
|
12
|
|
|
* @var AbstractChain |
|
13
|
|
|
*/ |
|
14
|
|
|
private $next; |
|
15
|
|
|
|
|
16
|
|
|
/** |
|
17
|
|
|
* @var array |
|
18
|
|
|
*/ |
|
19
|
|
|
private $request = []; |
|
20
|
|
|
|
|
21
|
|
|
/** |
|
22
|
|
|
* @var Response|null |
|
23
|
|
|
*/ |
|
24
|
|
|
private $response = null; |
|
25
|
|
|
|
|
26
|
|
|
/** |
|
27
|
|
|
* @param AbstractChain $next |
|
28
|
|
|
* @return AbstractChain |
|
29
|
|
|
*/ |
|
30
|
4 |
|
public function setNext(AbstractChain $next): AbstractChain |
|
31
|
|
|
{ |
|
32
|
4 |
|
$this->next = $next; |
|
33
|
4 |
|
return $next; |
|
34
|
|
|
} |
|
35
|
|
|
|
|
36
|
|
|
/** |
|
37
|
|
|
* @param array $request |
|
38
|
|
|
* @param Response|null $response |
|
39
|
|
|
* @return Response|null |
|
40
|
|
|
*/ |
|
41
|
4 |
|
public function handler(array $request, ?Response $response = null): ?Response |
|
42
|
|
|
{ |
|
43
|
4 |
|
$this->request = $request; |
|
44
|
4 |
|
$this->response = $response; |
|
45
|
|
|
|
|
46
|
4 |
|
if ($response !== null) { |
|
47
|
3 |
|
if ($response->getNextStage() !== static::getStage()) { |
|
48
|
2 |
|
return $this->nextRun($request, $response); |
|
49
|
|
|
} |
|
50
|
|
|
} |
|
51
|
|
|
|
|
52
|
4 |
|
if (!$this->runValidate()) { |
|
53
|
|
|
return null; |
|
54
|
|
|
} |
|
55
|
|
|
|
|
56
|
4 |
|
$responseRun = $this->run(); |
|
57
|
|
|
|
|
58
|
4 |
|
if ($responseRun !== null) { |
|
59
|
4 |
|
if ($responseRun->getNextStage() === null) { |
|
60
|
4 |
|
return $responseRun; |
|
61
|
|
|
} |
|
62
|
3 |
|
return $this->nextRun($request, $responseRun); |
|
63
|
|
|
} else { |
|
64
|
3 |
|
return $this->nextRun($request, $response); |
|
65
|
|
|
} |
|
66
|
|
|
} |
|
67
|
|
|
|
|
68
|
|
|
/** |
|
69
|
|
|
* @param $request |
|
70
|
|
|
* @param $response |
|
71
|
|
|
* @return Response |
|
72
|
|
|
*/ |
|
73
|
3 |
|
private function nextRun($request, $response): ?Response |
|
74
|
|
|
{ |
|
75
|
3 |
|
if ($this->next !== null) { |
|
76
|
3 |
|
return $this->next->handler($request, $response); |
|
77
|
|
|
} else { |
|
78
|
|
|
return $response; |
|
79
|
|
|
} |
|
80
|
|
|
} |
|
81
|
|
|
|
|
82
|
|
|
/** |
|
83
|
|
|
* @return bool |
|
84
|
|
|
*/ |
|
85
|
4 |
|
private function runValidate(): bool |
|
86
|
|
|
{ |
|
87
|
4 |
|
foreach ($this->validate() as $key) { |
|
88
|
4 |
|
if (empty($this->request[$key])) { |
|
89
|
|
|
return false; |
|
90
|
|
|
} |
|
91
|
|
|
} |
|
92
|
4 |
|
return true; |
|
93
|
|
|
} |
|
94
|
|
|
|
|
95
|
|
|
/** |
|
96
|
|
|
* @return array |
|
97
|
|
|
*/ |
|
98
|
3 |
|
protected function validate(): array |
|
99
|
|
|
{ |
|
100
|
3 |
|
return []; |
|
101
|
|
|
} |
|
102
|
|
|
|
|
103
|
|
|
/** |
|
104
|
|
|
* @return string |
|
105
|
|
|
*/ |
|
106
|
|
|
abstract static public function getStage(): string; |
|
107
|
|
|
|
|
108
|
|
|
/** |
|
109
|
|
|
* @return Response|null |
|
110
|
|
|
*/ |
|
111
|
|
|
abstract protected function run(): ?Response; |
|
112
|
|
|
|
|
113
|
|
|
/** |
|
114
|
|
|
* @return array |
|
115
|
|
|
*/ |
|
116
|
4 |
|
public function getRequest(): array |
|
117
|
|
|
{ |
|
118
|
4 |
|
return $this->request; |
|
119
|
|
|
} |
|
120
|
|
|
|
|
121
|
|
|
/** |
|
122
|
|
|
* @param $name |
|
123
|
|
|
* @return mixed|null |
|
124
|
|
|
*/ |
|
125
|
4 |
|
public function __get($name) |
|
126
|
|
|
{ |
|
127
|
4 |
|
return $this->getRequest()[$name] ?? null; |
|
128
|
|
|
} |
|
129
|
|
|
|
|
130
|
|
|
/** |
|
131
|
|
|
* @return Response|null |
|
132
|
|
|
*/ |
|
133
|
3 |
|
public function getResponse(): ?Response |
|
134
|
|
|
{ |
|
135
|
3 |
|
return $this->response; |
|
136
|
|
|
} |
|
137
|
|
|
} |
drlenux /
chain
