1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
namespace Drupal\controller_annotations\Request\ParamConverter; |
4
|
|
|
|
5
|
|
|
use Drupal\controller_annotations\Configuration\ConfigurationInterface; |
6
|
|
|
use Symfony\Component\HttpFoundation\Request; |
7
|
|
|
|
8
|
|
|
/** |
9
|
|
|
* Managers converters. |
10
|
|
|
* |
11
|
|
|
* @author Fabien Potencier <[email protected]> |
12
|
|
|
* @author Henrik Bjornskov <[email protected]> |
13
|
|
|
*/ |
14
|
|
|
class ParamConverterManager |
15
|
|
|
{ |
16
|
|
|
/** |
17
|
|
|
* @var array |
18
|
|
|
*/ |
19
|
|
|
protected $converters = []; |
20
|
|
|
|
21
|
|
|
/** |
22
|
|
|
* @var array |
23
|
|
|
*/ |
24
|
|
|
protected $namedConverters = []; |
25
|
|
|
|
26
|
|
|
/** |
27
|
|
|
* Applies all converters to the passed configurations and stops when a |
28
|
|
|
* converter is applied it will move on to the next configuration and so on. |
29
|
|
|
* |
30
|
|
|
* @param Request $request |
31
|
|
|
* @param array|object $configurations |
32
|
|
|
*/ |
33
|
12 |
|
public function apply(Request $request, $configurations) |
34
|
|
|
{ |
35
|
12 |
|
if (is_object($configurations)) { |
36
|
1 |
|
$configurations = [$configurations]; |
37
|
|
|
} |
38
|
|
|
|
39
|
12 |
|
foreach ($configurations as $configuration) { |
40
|
6 |
|
$this->applyConverter($request, $configuration); |
41
|
|
|
} |
42
|
10 |
|
} |
43
|
|
|
|
44
|
|
|
/** |
45
|
|
|
* Apply converter on request based on the given configuration. |
46
|
|
|
* |
47
|
|
|
* @param Request $request |
48
|
|
|
* @param ConfigurationInterface $configuration |
49
|
|
|
*/ |
50
|
6 |
|
protected function applyConverter(Request $request, ConfigurationInterface $configuration) |
51
|
|
|
{ |
52
|
6 |
|
$value = $request->attributes->get($configuration->getName()); |
|
|
|
|
53
|
6 |
|
$className = $configuration->getClass(); |
|
|
|
|
54
|
|
|
|
55
|
|
|
// If the value is already an instance of the class we are trying to convert it into |
56
|
|
|
// we should continue as no conversion is required |
57
|
6 |
|
if (is_object($value) && $value instanceof $className) { |
58
|
1 |
|
return; |
59
|
|
|
} |
60
|
|
|
|
61
|
5 |
|
if ($converterName = $configuration->getConverter()) { |
|
|
|
|
62
|
3 |
|
if (!isset($this->namedConverters[$converterName])) { |
63
|
1 |
|
throw new \RuntimeException(sprintf( |
64
|
1 |
|
"No converter named '%s' found for conversion of parameter '%s'.", |
65
|
1 |
|
$converterName, $configuration->getName() |
|
|
|
|
66
|
|
|
)); |
67
|
|
|
} |
68
|
|
|
|
69
|
2 |
|
$converter = $this->namedConverters[$converterName]; |
70
|
|
|
|
71
|
2 |
|
if (!$converter->supports($configuration)) { |
72
|
1 |
|
throw new \RuntimeException(sprintf( |
73
|
1 |
|
"Converter '%s' does not support conversion of parameter '%s'.", |
74
|
1 |
|
$converterName, $configuration->getName() |
|
|
|
|
75
|
|
|
)); |
76
|
|
|
} |
77
|
|
|
|
78
|
1 |
|
$converter->apply($request, $configuration); |
79
|
|
|
|
80
|
1 |
|
return; |
81
|
|
|
} |
82
|
|
|
|
83
|
2 |
|
foreach ($this->all() as $converter) { |
84
|
2 |
|
if ($converter->supports($configuration)) { |
85
|
1 |
|
if ($converter->apply($request, $configuration)) { |
86
|
2 |
|
return; |
87
|
|
|
} |
88
|
|
|
} |
89
|
|
|
} |
90
|
2 |
|
} |
91
|
|
|
|
92
|
|
|
/** |
93
|
|
|
* Adds a parameter converter. |
94
|
|
|
* |
95
|
|
|
* Converters match either explicitly via $name or by iteration over all |
96
|
|
|
* converters with a $priority. If you pass a $priority = null then the |
97
|
|
|
* added converter will not be part of the iteration chain and can only |
98
|
|
|
* be invoked explicitly. |
99
|
|
|
* |
100
|
|
|
* @param ParamConverterInterface $converter A ParamConverterInterface instance |
101
|
|
|
* @param int $priority The priority (between -10 and 10). |
102
|
|
|
* @param string $name Name of the converter. |
103
|
|
|
*/ |
104
|
12 |
|
public function add(ParamConverterInterface $converter, $priority = 0, $name = null) |
105
|
|
|
{ |
106
|
12 |
|
if ($priority !== null) { |
107
|
12 |
|
if (!isset($this->converters[$priority])) { |
108
|
12 |
|
$this->converters[$priority] = []; |
109
|
|
|
} |
110
|
|
|
|
111
|
12 |
|
$this->converters[$priority][] = $converter; |
112
|
|
|
} |
113
|
|
|
|
114
|
12 |
|
if (null !== $name) { |
115
|
2 |
|
$this->namedConverters[$name] = $converter; |
116
|
|
|
} |
117
|
12 |
|
} |
118
|
|
|
|
119
|
|
|
/** |
120
|
|
|
* Returns all registered param converters. |
121
|
|
|
* |
122
|
|
|
* @return array An array of param converters |
123
|
|
|
*/ |
124
|
3 |
|
public function all() |
125
|
|
|
{ |
126
|
3 |
|
krsort($this->converters); |
127
|
|
|
|
128
|
3 |
|
$converters = array(); |
129
|
3 |
|
foreach ($this->converters as $all) { |
130
|
3 |
|
$converters = array_merge($converters, $all); |
131
|
|
|
} |
132
|
|
|
|
133
|
3 |
|
return $converters; |
134
|
|
|
} |
135
|
|
|
} |
136
|
|
|
|
Let’s take a look at an example:
In the above example, the authenticate() method works fine as long as you just pass instances of MyUser. However, if you now also want to pass a different implementation of User which does not have a getDisplayName() method, the code will break.
Available Fixes
Change the type-hint for the parameter:
Add an additional type-check:
Add the method to the interface: