ahmedash95 /
laravel-translatable
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| 1 | <?php |
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| 2 | |||
| 3 | namespace Spatie\Translatable; |
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| 4 | |||
| 5 | use Illuminate\Support\Str; |
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| 6 | use Spatie\Translatable\Events\TranslationHasBeenSet; |
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| 7 | use Spatie\Translatable\Exceptions\AttributeIsNotTranslatable; |
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| 8 | |||
| 9 | trait HasTranslations |
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| 10 | { |
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| 11 | /** |
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| 12 | * @param string $key |
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| 13 | * |
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| 14 | * @return mixed |
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| 15 | */ |
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| 16 | public function getAttributeValue($key) |
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| 17 | { |
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| 18 | if (!$this->isTranslatableAttribute($key)) { |
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| 19 | return parent::getAttributeValue($key); |
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| 20 | } |
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| 21 | |||
| 22 | return $this->getTranslation($key, config('app.locale')); |
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| 23 | } |
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| 24 | |||
| 25 | /** |
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| 26 | * @param string $key |
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| 27 | * @param string $locale |
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| 28 | * |
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| 29 | * @return mixed |
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| 30 | */ |
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| 31 | public function translate($key, $locale = null) |
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| 32 | { |
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| 33 | return $this->getTranslation($key, $locale); |
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| 34 | } |
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| 35 | |||
| 36 | /*** |
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| 37 | * @param string $key |
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| 38 | * @param string $locale |
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| 39 | * |
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| 40 | * @return mixed |
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| 41 | */ |
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| 42 | public function getTranslation($key, $locale) |
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| 43 | { |
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| 44 | $locale = $this->normalizeLocale($key, $locale); |
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| 45 | |||
| 46 | $translations = $this->getTranslations($key); |
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| 47 | |||
| 48 | $translation = isset($translations[$locale]) ? $translations[$locale] : ''; |
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| 49 | |||
| 50 | if ($this->hasGetMutator($key)) { |
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| 51 | return $this->mutateAttribute($key, $translation); |
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| 52 | } |
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| 53 | |||
| 54 | return $translation; |
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| 55 | } |
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| 56 | |||
| 57 | public function getTranslations($key) |
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| 58 | { |
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| 59 | $this->guardAgainstUntranslatableAttribute($key); |
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| 60 | |||
| 61 | return json_decode(isset($this->getAttributes()[$key]) ? $this->getAttributes()[$key] : '' ?: '{}', true); |
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| 62 | } |
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| 63 | |||
| 64 | /** |
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| 65 | * @param string $key |
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| 66 | * @param string $locale |
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| 67 | * @param $value |
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| 68 | * |
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| 69 | * @return $this |
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| 70 | */ |
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| 71 | public function setTranslation($key, $locale, $value) |
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| 72 | { |
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| 73 | $this->guardAgainstUntranslatableAttribute($key); |
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| 74 | |||
| 75 | $translations = $this->getTranslations($key); |
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| 76 | |||
| 77 | $oldValue = isset($translations[$locale]) ? $translations[$locale] : ''; |
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| 78 | |||
| 79 | if ($this->hasSetMutator($key)) { |
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| 80 | $method = 'set'.Str::studly($key).'Attribute'; |
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| 81 | $value = $this->{$method}($value); |
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| 82 | } |
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| 83 | |||
| 84 | $translations[$locale] = $value; |
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| 85 | |||
| 86 | $this->attributes[$key] = $this->asJson($translations); |
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| 87 | |||
| 88 | event(new TranslationHasBeenSet($this, $key, $locale, $oldValue, $value)); |
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| 89 | |||
| 90 | return $this; |
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| 91 | } |
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| 92 | |||
| 93 | /** |
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| 94 | * @param string $key |
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| 95 | * @param array $translations |
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| 96 | * |
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| 97 | * @return $this |
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| 98 | */ |
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| 99 | public function setTranslations($key, array $translations) |
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| 100 | { |
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| 101 | $this->guardAgainstUntranslatableAttribute($key); |
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| 102 | |||
| 103 | foreach ($translations as $locale => $translation) { |
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| 104 | $this->setTranslation($key, $locale, $translation); |
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| 105 | } |
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| 106 | |||
| 107 | return $this; |
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| 108 | } |
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| 109 | |||
| 110 | /** |
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| 111 | * @param string $key |
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| 112 | * @param string $locale |
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| 113 | * |
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| 114 | * @return $this |
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| 115 | */ |
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| 116 | public function forgetTranslation($key, $locale) |
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| 117 | { |
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| 118 | $translations = $this->getTranslations($key); |
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| 119 | |||
| 120 | unset($translations[$locale]); |
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| 121 | |||
| 122 | $this->setAttribute($key, $translations); |
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| 123 | |||
| 124 | return $this; |
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| 125 | } |
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| 126 | |||
| 127 | public function getTranslatedLocales($key) |
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| 128 | { |
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| 129 | return array_keys($this->getTranslations($key)); |
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| 130 | } |
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| 131 | |||
| 132 | public function isTranslatableAttribute($key) |
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| 133 | { |
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| 134 | return in_array($key, $this->getTranslatableAttributes()); |
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| 135 | } |
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| 136 | |||
| 137 | protected function guardAgainstUntranslatableAttribute($key) |
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| 138 | { |
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| 139 | if (!$this->isTranslatableAttribute($key)) { |
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| 140 | throw AttributeIsNotTranslatable::make($key, $this); |
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| 141 | } |
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| 142 | } |
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| 143 | |||
| 144 | protected function normalizeLocale($key, $locale) |
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| 145 | { |
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| 146 | if (in_array($locale, $this->getTranslatedLocales($key))) { |
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| 147 | return $locale; |
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| 148 | } |
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| 149 | |||
| 150 | if (!is_null($fallbackLocale = config('laravel-translatable.fallback_locale'))) { |
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| 151 | return $fallbackLocale; |
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| 152 | } |
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| 153 | |||
| 154 | return $locale; |
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| 155 | } |
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| 156 | |||
| 157 | public function getTranslatableAttributes() |
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| 158 | { |
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| 159 | return is_array($this->translatable) |
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| 160 | ? $this->translatable |
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| 161 | : []; |
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| 162 | } |
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| 163 | |||
| 164 | public function getCasts() |
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| 165 | { |
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| 166 | return array_merge( |
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| 167 | parent::getCasts(), |
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| 168 | array_fill_keys($this->getTranslatableAttributes(), 'array') |
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| 169 | ); |
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| 170 | } |
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| 171 | } |
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| 172 |
This check looks for methods that are used by a trait but not required by it.
To illustrate, let’s look at the following code example
The trait
Idableprovides a methodequalsIdthat in turn relies on the methodgetId(). If this method does not exist on a class mixing in this trait, the method will fail.Adding the
getId()as an abstract method to the trait will make sure it is available.