1
|
|
|
<?php |
2
|
|
|
namespace App\Http\Filter; |
3
|
|
|
|
4
|
|
|
use Yii; |
5
|
|
|
use yii\di\Instance; |
6
|
|
|
use yii\filters\ContentNegotiator as BaseContentNegotiator; |
7
|
|
|
use yii\web\User; |
8
|
|
|
use yii\web\Cookie; |
9
|
|
|
|
10
|
|
|
class ContentNegotiator extends BaseContentNegotiator |
11
|
|
|
{ |
12
|
|
|
/** |
13
|
|
|
* A user component. |
14
|
|
|
* |
15
|
|
|
* @var string|User |
16
|
|
|
*/ |
17
|
|
|
public $user = 'user'; |
18
|
|
|
|
19
|
|
|
/** |
20
|
|
|
* {@inheritdoc} |
21
|
|
|
*/ |
22
|
|
|
protected function negotiateLanguage($request) |
23
|
|
|
{ |
24
|
|
|
if (empty($this->languageParam) || ($language = $request->get($this->languageParam)) === null) { |
|
|
|
|
25
|
|
|
$language = null; |
26
|
|
|
$this->user = Instance::ensure($this->user, User::class); |
27
|
|
|
if (!$this->user->getIsGuest() && ($identity = $this->user->getIdentity()) instanceof LanguagePickerInterface) { |
28
|
|
|
$language = $identity->getLanguage(); |
29
|
|
|
|
30
|
|
|
$picked = $this->pick($language); |
31
|
|
|
if ($picked !== null) { |
32
|
|
|
return $picked; |
33
|
|
|
} |
34
|
|
|
} |
35
|
|
|
|
36
|
|
|
$language = $request->getCookies()->getValue($this->languageParam, null); |
37
|
|
|
$picked = $this->pick($language); |
38
|
|
|
if ($picked !== null) { |
39
|
|
|
return $picked; |
40
|
|
|
} |
41
|
|
|
} |
42
|
|
|
|
43
|
|
|
return parent::negotiateLanguage($request); |
44
|
|
|
} |
45
|
|
|
|
46
|
|
|
/** |
47
|
|
|
* Pick language. |
48
|
|
|
* |
49
|
|
|
* @param string $language |
50
|
|
|
* |
51
|
|
|
* @return string|null returns a supportted language, returns null if not supported. |
52
|
|
|
*/ |
53
|
|
|
protected function pick($language) |
54
|
|
|
{ |
55
|
|
|
if ($language === null) { |
|
|
|
|
56
|
|
|
return null; |
57
|
|
|
} |
58
|
|
|
|
59
|
|
|
if (isset($this->languages[$language])) { |
60
|
|
|
return $this->languages[$language]; |
61
|
|
|
} |
62
|
|
|
foreach ($this->languages as $key => $supported) { |
63
|
|
|
if (is_int($key) && $this->isLanguageSupported($language, $supported)) { |
64
|
|
|
return $supported; |
65
|
|
|
} |
66
|
|
|
} |
67
|
|
|
|
68
|
|
|
return null; |
69
|
|
|
} |
70
|
|
|
|
71
|
|
|
/** |
72
|
|
|
* Store language to cookie. |
73
|
|
|
* |
74
|
|
|
* @param string $lang |
75
|
|
|
*/ |
76
|
|
|
public function storeLanguageToCookie($lang) |
77
|
|
|
{ |
78
|
|
|
$cookie = new Cookie(['name' => $this->languageParam, 'value' => $lang]); |
79
|
|
|
Yii::$app->getResponse()->getCookies()->add($cookie); |
80
|
|
|
} |
81
|
|
|
} |
82
|
|
|
|