|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace Drupal\graphql\Routing; |
|
4
|
|
|
|
|
5
|
|
|
use Drupal\Core\Routing\Enhancer\RouteEnhancerInterface; |
|
6
|
|
|
use Drupal\graphql\QueryProvider\QueryProviderInterface; |
|
7
|
|
|
use Symfony\Component\HttpFoundation\Request; |
|
8
|
|
|
use Symfony\Component\Routing\Route; |
|
9
|
|
|
|
|
10
|
|
|
class QueryRouteEnhancer implements RouteEnhancerInterface { |
|
11
|
|
|
|
|
12
|
|
|
const SINGLE = 'single'; |
|
13
|
|
|
const BATCH = 'batch'; |
|
14
|
|
|
|
|
15
|
|
|
/** |
|
16
|
|
|
* The query provider service. |
|
17
|
|
|
* |
|
18
|
|
|
* @var \Drupal\graphql\QueryProvider\QueryProviderInterface |
|
19
|
|
|
*/ |
|
20
|
|
|
protected $queryProvider; |
|
21
|
|
|
|
|
22
|
|
|
/** |
|
23
|
|
|
* QueryRouteEnhancer constructor. |
|
24
|
|
|
* |
|
25
|
|
|
* @param \Drupal\graphql\QueryProvider\QueryProviderInterface $queryProvider |
|
26
|
|
|
* The query provider service. |
|
27
|
|
|
*/ |
|
28
|
|
|
public function __construct(QueryProviderInterface $queryProvider) { |
|
29
|
|
|
$this->queryProvider = $queryProvider; |
|
30
|
|
|
} |
|
31
|
|
|
|
|
32
|
|
|
|
|
33
|
|
|
/** |
|
34
|
|
|
* {@inheritdoc} |
|
35
|
|
|
*/ |
|
36
|
|
|
public function applies(Route $route) { |
|
37
|
|
|
return $route->hasDefault('_graphql'); |
|
38
|
|
|
} |
|
39
|
|
|
|
|
40
|
|
|
/** |
|
41
|
|
|
* {@inheritdoc} |
|
42
|
|
|
*/ |
|
43
|
|
|
public function enhance(array $defaults, Request $request) { |
|
44
|
|
|
if (!empty($defaults['_controller'])) { |
|
45
|
|
|
return $defaults; |
|
46
|
|
|
} |
|
47
|
|
|
|
|
48
|
|
|
$params = $this->extractParams($request); |
|
49
|
|
|
if ($enhanced = $this->enhanceSingle($defaults, $params, $request)) { |
|
50
|
|
|
return $enhanced; |
|
51
|
|
|
} |
|
52
|
|
|
|
|
53
|
|
|
if ($enhanced = $this->enhanceBatch($defaults, $params, $request)) { |
|
54
|
|
|
return $enhanced; |
|
55
|
|
|
} |
|
56
|
|
|
|
|
57
|
|
|
// By default we assume a 'single' request. This is going to fail in the |
|
58
|
|
|
// graphql processor due to a missing query string but at least provides |
|
59
|
|
|
// the right format for the client to act upon. |
|
60
|
|
|
return $defaults + [ |
|
61
|
|
|
'_controller' => $defaults['_graphql']['single'], |
|
62
|
|
|
]; |
|
63
|
|
|
} |
|
64
|
|
|
|
|
65
|
|
|
/** |
|
66
|
|
|
* Attempts to enhance the request as a batch query. |
|
67
|
|
|
* |
|
68
|
|
|
* @param array $defaults |
|
69
|
|
|
* The controller defaults. |
|
70
|
|
|
* @param array $params |
|
71
|
|
|
* The query parameters. |
|
72
|
|
|
* @param \Symfony\Component\HttpFoundation\Request $request |
|
73
|
|
|
* The request object. |
|
74
|
|
|
* |
|
75
|
|
|
* @return array|bool |
|
76
|
|
|
* The enhanced controller defaults. |
|
77
|
|
|
*/ |
|
78
|
|
|
protected function enhanceBatch(array $defaults, array $params, Request $request) { |
|
79
|
|
|
// PHP 5.5.x does not yet support the ARRAY_FILTER_USE_KEYS constant. |
|
80
|
|
|
$keys = array_filter(array_keys($params), function($index) { |
|
81
|
|
|
return is_numeric($index); |
|
82
|
|
|
}); |
|
83
|
|
|
|
|
84
|
|
|
$queries = array_intersect_key($params, array_flip($keys)); |
|
85
|
|
|
if (!isset($queries[0])) { |
|
86
|
|
|
return FALSE; |
|
87
|
|
|
} |
|
88
|
|
|
|
|
89
|
|
|
if (array_keys($queries) !== range(0, count($queries) - 1)) { |
|
90
|
|
|
// If this is not a continuously numeric array, don't do anything. |
|
91
|
|
|
return FALSE; |
|
92
|
|
|
} |
|
93
|
|
|
|
|
94
|
|
|
return $defaults + [ |
|
95
|
|
|
'_controller' => $defaults['_graphql']['multiple'], |
|
96
|
|
|
'queries' => $queries, |
|
97
|
|
|
'type' => static::BATCH, |
|
98
|
|
|
]; |
|
99
|
|
|
} |
|
100
|
|
|
|
|
101
|
|
|
/** |
|
102
|
|
|
* Attempts to enhance the request as a single query. |
|
103
|
|
|
* |
|
104
|
|
|
* @param array $defaults |
|
105
|
|
|
* The controller defaults. |
|
106
|
|
|
* @param array $params |
|
107
|
|
|
* The query parameters. |
|
108
|
|
|
* @param \Symfony\Component\HttpFoundation\Request $request |
|
109
|
|
|
* The request object. |
|
110
|
|
|
* |
|
111
|
|
|
* @return array|boolean |
|
112
|
|
|
* The enhanced controller defaults. |
|
113
|
|
|
*/ |
|
114
|
|
|
protected function enhanceSingle(array $defaults, array $params, Request $request) { |
|
115
|
|
|
$values = $params + [ |
|
116
|
|
|
'query' => $this->getQuery($params), |
|
117
|
|
|
'variables' => [], |
|
118
|
|
|
]; |
|
119
|
|
|
|
|
120
|
|
|
if (empty($values['query'])) { |
|
121
|
|
|
return FALSE; |
|
122
|
|
|
} |
|
123
|
|
|
|
|
124
|
|
|
return $defaults + [ |
|
125
|
|
|
'_controller' => $defaults['_graphql']['single'], |
|
126
|
|
|
'query' => $values['query'] ?: '', |
|
127
|
|
|
'variables' => $values['variables'] ?: [], |
|
128
|
|
|
'type' => static::SINGLE, |
|
129
|
|
|
]; |
|
130
|
|
|
} |
|
131
|
|
|
|
|
132
|
|
|
/** |
|
133
|
|
|
* Extract an associative array of query parameters from the request. |
|
134
|
|
|
* |
|
135
|
|
|
* If the given request does not have any POST body content it uses the GET |
|
136
|
|
|
* query parameters instead. |
|
137
|
|
|
* |
|
138
|
|
|
* @param \Symfony\Component\HttpFoundation\Request $request |
|
139
|
|
|
* The request object. |
|
140
|
|
|
* |
|
141
|
|
|
* @return array |
|
142
|
|
|
* An associative array of query parameters. |
|
143
|
|
|
*/ |
|
144
|
|
|
protected function extractParams(Request $request) { |
|
145
|
|
|
$values = ($content = $request->getContent()) ? json_decode($content, TRUE) : $request->query->all(); |
|
146
|
|
|
|
|
147
|
|
|
return array_map(function($value) { |
|
148
|
|
|
if (!is_string($value)) { |
|
149
|
|
|
return $value; |
|
150
|
|
|
} |
|
151
|
|
|
|
|
152
|
|
|
$decoded = json_decode($value, TRUE); |
|
153
|
|
|
return ($decoded != $value) && $decoded ? $decoded : $value; |
|
154
|
|
|
}, $values ?: []); |
|
155
|
|
|
} |
|
156
|
|
|
|
|
157
|
|
|
/** |
|
158
|
|
|
* Resolves a query string. |
|
159
|
|
|
* |
|
160
|
|
|
* @param array $params |
|
161
|
|
|
* The query parameters. |
|
162
|
|
|
* |
|
163
|
|
|
* @return string|null |
|
164
|
|
|
* The resolved query string. |
|
165
|
|
|
*/ |
|
166
|
|
|
protected function getQuery(array $params) { |
|
167
|
|
|
if (!empty($params['query'])) { |
|
168
|
|
|
return $params['query']; |
|
169
|
|
|
} |
|
170
|
|
|
|
|
171
|
|
|
return $this->queryProvider->getQuery($params); |
|
172
|
|
|
} |
|
173
|
|
|
|
|
174
|
|
|
} |
|
175
|
|
|
|
drupal-graphql /
graphql
