-
Notifications
You must be signed in to change notification settings - Fork 0
/
ServiceHandler.php
140 lines (120 loc) · 4.31 KB
/
ServiceHandler.php
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
<?php
namespace Zored\SpeechBundle\Request\Handler;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Zored\SpeechBundle\Endpoint\Context\ContextInterface;
use Zored\SpeechBundle\Endpoint\Context\ServiceContextInterface;
use Zored\SpeechBundle\Exception\ErrorException;
use Zored\SpeechBundle\Request\Entity\Request;
use Zored\SpeechBundle\Request\Method\MethodAccessCheckerInterface;
use Zored\SpeechBundle\Request\Parameter\ParameterConverterInterface;
use Zored\SpeechBundle\Response\Entity\AbstractResponse;
use Zored\SpeechBundle\Response\Entity\Error;
use Zored\SpeechBundle\Response\Entity\ErrorResponse;
use Zored\SpeechBundle\Response\Entity\SuccessResponse;
use Zored\SpeechBundle\Response\ErrorCodeInterface as ErrorCode;
/**
* Apply JSON-RPC request to service and get JSON-RPC response.
*
* @see Request
* @see AbstractResponse
*/
class ServiceHandler implements RequestHandlerInterface
{
/**
* @var ContainerInterface
*/
private $container;
/**
* @var ParameterConverterInterface
*/
private $parameterConverter;
/**
* @var MethodAccessCheckerInterface
*/
private $methodAccessChecker;
/**
* @param ContainerInterface $container
* @param MethodAccessCheckerInterface $methodAccessChecker
* @param ParameterConverterInterface $parameterConverter
*/
public function __construct(ContainerInterface $container, MethodAccessCheckerInterface $methodAccessChecker, ParameterConverterInterface $parameterConverter)
{
$this->container = $container;
$this->parameterConverter = $parameterConverter;
$this->methodAccessChecker = $methodAccessChecker;
}
/**
* {@inheritdoc}
*/
public function handle(Request $request, ContextInterface $context = null)
{
list($id, $method) = explode(':', $request->getMethod());
if (!$context instanceof ServiceContextInterface) {
throw new \LogicException('Wrong context has been passed.');
}
if (!$context->hasServiceId($id)) {
return $this->getErrorResponse(
ErrorCode::METHOD_NOT_FOUND,
"Service '$id' doesn't exist.",
$request->getId()
);
}
$service = $this->container->get($id);
if (!$this->methodAccessChecker->isAvailable($service, $method)) {
return $this->getErrorResponse(
ErrorCode::METHOD_NOT_FOUND,
"Method '$method' is not avaliable in '$id'.",
$request->getId()
);
}
// Get method parameters and return error response on failure:
try {
$values = $this->parameterConverter->convert($service, $method, $request->getParams());
} catch (ErrorException $exception) {
return $exception->getErrorResponse()->setId($request->getId());
}
// Get service response and return internal error on failure:
try {
try {
$response = call_user_func_array([$service, $method], $values);
} catch (\InvalidArgumentException $exception) {
return $this->getErrorResponse(ErrorCode::INTERNAL_ERROR, "Error calling method '$method'.");
}
if (is_array($response)) {
return $this->getSuccessResponse($response, $request->getId());
}
if ($response instanceof AbstractResponse) {
return $response;
}
throw new \RuntimeException("Unknown response type from $id:$method().");
} catch (\Exception $exception) {
return $this->getErrorResponse(
ErrorCode::INTERNAL_ERROR,
$exception->getMessage(),
$request->getId()
);
}
// Done!
}
private function getErrorResponse($code, $message, $id = null)
{
$error = (new Error())
->setCode($code)
->setMessage($message);
return (new ErrorResponse())
->setError($error)
->setId($id);
}
/**
* @param $data
* @param $id
*
* @return AbstractResponse
*/
private function getSuccessResponse($data, $id)
{
return (new SuccessResponse())
->setResult($data)
->setId($id);
}
}