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1 | <?php |
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2 | |||
3 | namespace Thinktomorrow\Locale; |
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4 | |||
5 | use Illuminate\Http\Request; |
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6 | use Thinktomorrow\Locale\Detectors\FallbackDetector; |
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7 | use Thinktomorrow\Locale\Detectors\HiddenSegmentDetector; |
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8 | use Thinktomorrow\Locale\Detectors\QueryDetector; |
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9 | use Thinktomorrow\Locale\Detectors\SegmentDetector; |
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10 | use Thinktomorrow\Locale\Values\Config; |
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11 | use Thinktomorrow\Locale\Values\Locale; |
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12 | |||
13 | final class Detect |
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14 | { |
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15 | /** |
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16 | * @var Request |
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17 | */ |
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18 | private $request; |
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19 | |||
20 | /** |
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21 | * @var Config |
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22 | */ |
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23 | private $config; |
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24 | |||
25 | /** |
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26 | * @var Locale |
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27 | */ |
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28 | private $locale; |
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29 | |||
30 | /** |
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31 | * Current scope of locales. |
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32 | * |
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33 | * @var Scope |
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34 | */ |
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35 | private $scope; |
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36 | |||
37 | 64 | public function __construct(Request $request, Config $config) |
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38 | { |
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39 | 64 | $this->request = $request; |
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40 | 64 | $this->config = $config; |
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41 | 64 | } |
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42 | |||
43 | /** |
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44 | * Detect the locale from current request url. |
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45 | * Once the locale has been determined, it will be set as the application locale. |
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46 | * A locale is only validated if it is present within the current locale scope. |
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47 | * |
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48 | * Detection honours following priority: |
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49 | * 1) If locale is found in request as query parameter e.g. ?locale=fr, |
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50 | * 2) If locale is found in request url, either from host or segment eg. nl.example.com, example.nl or example.com/nl |
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51 | * 3) Otherwise set locale to our fallback language (app.locale) |
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52 | */ |
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53 | 64 | public function detectLocale(): self |
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54 | { |
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55 | 64 | $locale = null; |
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56 | |||
57 | $detectors = [ |
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58 | 64 | FallbackDetector::class, |
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59 | HiddenSegmentDetector::class, |
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60 | SegmentDetector::class, |
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61 | QueryDetector::class, |
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62 | ]; |
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63 | |||
64 | 64 | foreach ($detectors as $detector) { |
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65 | 64 | $locale = app($detector)->get($this->getScope(), $this->config) ?? $locale; |
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66 | } |
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67 | |||
68 | 64 | $this->locale = $locale; |
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69 | |||
70 | 64 | app()->setLocale($locale->get()); |
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71 | |||
72 | 64 | return $this; |
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73 | } |
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74 | |||
75 | 64 | public function getLocale(): Locale |
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76 | { |
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77 | 64 | if (!$this->locale) { |
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78 | 64 | $this->detectLocale(); |
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79 | } |
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80 | |||
81 | 64 | return $this->locale; |
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82 | } |
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83 | |||
84 | 64 | public function getScope(): Scope |
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85 | { |
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86 | 64 | if (!$this->scope) { |
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87 | 63 | $this->detectScope(); |
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88 | } |
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89 | |||
90 | 64 | return $this->scope; |
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91 | } |
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92 | |||
93 | /** |
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94 | * This is handy for setting allowed scope via other source than config file. |
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95 | * this can be configurable from a cms. |
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96 | * |
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97 | * @param Scope|null $scope |
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98 | * |
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99 | * @return $this |
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100 | */ |
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101 | 2 | public function setScope(Scope $scope = null) |
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102 | { |
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103 | 2 | if ($scope) { |
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104 | 2 | $this->scope = $scope; |
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105 | } |
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106 | |||
107 | 2 | return $this; |
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108 | } |
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109 | |||
110 | 63 | private function detectScope() |
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111 | { |
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112 | 63 | $this->scope = ScopeCollection::fromConfig($this->config)->findByRoot($this->request->root()); |
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113 | 63 | } |
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114 | } |
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115 |