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<?php |
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namespace WeAreNeopix\LaravelModelTranslation\Drivers\MySQL; |
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use Illuminate\Support\Collection; |
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use Illuminate\Support\Facades\DB; |
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use Illuminate\Database\Eloquent\Model; |
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use Illuminate\Database\Eloquent\Builder; |
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use WeAreNeopix\LaravelModelTranslation\Contracts\TranslationDriver; |
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class MySQLTranslationDriver implements TranslationDriver |
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{ |
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private function queryForModel(Model $model, string $language = null): Builder |
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{ |
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$query = Translation::where('translatable_type', $model->getModelIdentifier()) |
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->where('translatable_id', $model->getInstanceIdentifier()); |
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if ($language !== null) { |
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$query->where('language', $language); |
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} |
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return $query; |
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} |
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public function storeTranslationsForModel(Model $model, string $language, array $translations): bool |
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{ |
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$translations = collect($translations)->map(function ($translation, $attribute) use ($language, $model) { |
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return [ |
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'translatable_type' => $model->getModelIdentifier(), |
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'translatable_id' => $model->getInstanceIdentifier(), |
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'language' => $language, |
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'name' => $attribute, |
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'value' => $translation, |
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]; |
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}); |
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return Translation::query()->insert($translations->toArray()); |
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} |
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public function getTranslationsForModel(Model $model, string $language): array |
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{ |
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return $this->queryForModel($model, $language) |
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->get() |
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->mapWithKeys(function (Translation $translation) { |
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return [ |
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$translation->name => $translation->value, |
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]; |
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}) |
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->toArray(); |
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} |
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public function getTranslationsForModels(Collection $models, string $language): Collection |
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{ |
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$modelIdentifier = $models->first()->getModelIdentifier(); |
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$instanceIdentifiers = $models->map(function (Model $model) { |
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return $model->getInstanceIdentifier(); |
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}); |
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$translations = Translation::where('translatable_type', $modelIdentifier) |
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->whereIn('translatable_id', $instanceIdentifiers) |
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->where('language', $language) |
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->get() |
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->groupBy('translatable_id'); |
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/* |
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* First we map the translations to their Models, setting an empty collection as default |
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* We need to do this because the method needs to return an empty array for each model that has no translations. |
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*/ |
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$translationsPerModel = $models->mapWithKeys(function (Model $model) use ($translations) { |
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return [ |
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$model->getInstanceIdentifier() => $translations->get($model->getInstanceIdentifier(), collect([])), |
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]; |
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}); |
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// Then we transform the translations to match the expected output format |
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return $translationsPerModel->map(function (Collection $instanceTranslations) { |
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return $instanceTranslations->mapWithKeys(function (Translation $translation) { |
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return [ |
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$translation->name => $translation->value, |
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]; |
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})->toArray(); |
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}); |
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} |
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public function getAvailableLanguagesForModel(Model $model): array |
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{ |
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return $this->queryForModel($model)->groupBy('language')->pluck('language')->toArray(); |
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} |
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public function getModelsAvailableInLanguage(string $modelIdentifier, string $language): array |
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{ |
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return Translation::where('translatable_type', $modelIdentifier) |
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->where('language', $language) |
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->groupBy('translatable_id') |
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->pluck('translatable_id') |
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->toArray(); |
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} |
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public function putTranslationsForModel(Model $model, string $language, array $translations): bool |
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{ |
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$this->queryForModel($model, $language) |
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->delete(); |
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return $this->storeTranslationsForModel($model, $language, $translations); |
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} |
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private function mysqlCaseUpdate(array $translations) |
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{ |
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$sql = 'CASE '; |
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foreach ($translations as $attribute => $translation) { |
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$sql .= "WHEN name = '{$attribute}' THEN '{$translation}' "; |
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} |
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$sql .= 'END'; |
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return $sql; |
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} |
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public function patchTranslationsForModel(Model $model, string $language, array $translations): bool |
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{ |
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list($existing, $new) = $this->separateExistingFromNewTranslations($model, $language, $translations); |
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if (!$this->storeTranslationsForModel($model, $language, $new)) { |
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return false; |
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} |
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$sql = $this->mysqlCaseUpdate($existing); |
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$translationNames = array_keys($existing); |
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return $this->queryForModel($model, $language) |
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->whereIn('name', $translationNames) |
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->update([ |
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'value' => DB::raw($sql), |
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]); |
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} |
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private function separateExistingFromNewTranslations(Model $model, string $language, array $translations) |
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{ |
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$existingTranslations = array_keys($this->getTranslationsForModel($model, $language)); |
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$translations = collect($translations); |
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return [ |
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$translations->only($existingTranslations)->toArray(), |
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$translations->except($existingTranslations)->toArray(), |
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]; |
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} |
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public function deleteAllTranslationsForModel(Model $model): bool |
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{ |
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return $this->deleteTranslationsForModel($model); |
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} |
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public function deleteLanguagesForModel(Model $model, array $languages): bool |
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{ |
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return $this->queryForModel($model) |
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->whereIn('language', $languages) |
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->delete(); |
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} |
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public function deleteAttributesForModel(Model $model, array $attributes, string $language = null): bool |
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{ |
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return $this->deleteTranslationsForModel($model, $language, $attributes); |
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} |
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public function deleteTranslationsForModel(Model $model, string $language = null, array $attributes = null): bool |
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{ |
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$query = $this->queryForModel($model, $language); |
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if ($attributes !== null) { |
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$query->whereIn('name', $attributes); |
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} |
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return $query->forceDelete(); |
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} |
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} |
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weareneopix /
laravel-model-translation
