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<?php |
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namespace BBS\Nova\Translation\GraphQL\Directives; |
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use BBS\Nova\Translation\Models\Scopes\TranslatableScope; |
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use GraphQL\Language\AST\FieldDefinitionNode; |
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use GraphQL\Language\AST\NamedTypeNode; |
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use GraphQL\Language\AST\NameNode; |
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use GraphQL\Language\AST\NodeList; |
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use GraphQL\Language\AST\NonNullTypeNode; |
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use GraphQL\Language\AST\ObjectTypeDefinitionNode; |
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use GraphQL\Language\AST\StringValueNode; |
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use GraphQL\Type\Definition\ResolveInfo; |
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use Nuwave\Lighthouse\Schema\AST\ASTHelper; |
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use Nuwave\Lighthouse\Schema\AST\DocumentAST; |
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use Nuwave\Lighthouse\Schema\Directives\BaseDirective; |
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use Nuwave\Lighthouse\Schema\Values\FieldValue; |
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use Nuwave\Lighthouse\Support\Contracts\DefinedDirective; |
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use Nuwave\Lighthouse\Support\Contracts\FieldManipulator; |
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use Nuwave\Lighthouse\Support\Contracts\FieldResolver; |
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use Nuwave\Lighthouse\Support\Contracts\GraphQLContext; |
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class TranslationDirective extends BaseDirective implements FieldResolver, FieldManipulator, DefinedDirective |
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{ |
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/** |
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* {@inheritdoc} |
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*/ |
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public function name(): string |
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{ |
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return 'translation'; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public static function definition(): string |
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{ |
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return /* @lang GraphQL */ <<<'SDL' |
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directive @translation( |
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"Specify the class name of the model to use." |
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model: String |
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"Specify the GraphQL type to add the 'locale' field." |
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type: String |
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) on ARGUMENT_DEFINITION |
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SDL; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function manipulateFieldDefinition(DocumentAST &$documentAST, FieldDefinitionNode &$fieldDefinition, ObjectTypeDefinitionNode &$parentType): void |
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{ |
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$typeToAddLocaleField = $this->directiveArgValue('type', class_basename($this->getModelClass())); |
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foreach ($documentAST->types as &$type) { |
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if ($type->name->value === $typeToAddLocaleField) { |
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/** @var \GraphQL\Language\AST\ObjectTypeDefinitionNode $type */ |
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$type->fields = ASTHelper::mergeNodeList($type->fields, [$this->defineLocaleField()]); |
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} |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function resolveField(FieldValue $fieldValue): FieldValue |
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{ |
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return $fieldValue->setResolver( |
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function ($root, array $args, GraphQLContext $context, ResolveInfo $resolveInfo) { |
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$modelClass = $this->getModelClass(); |
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$isos = []; |
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if (isset($args['localeFilters'])) { |
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if (isset($args['localeFilters']['locale'])) { |
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$isos[] = $args['localeFilters']['locale']; |
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} |
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if (isset($args['localeFilters']['locales'])) { |
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$isos = array_merge($isos, $args['localeFilters']['locales']); |
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} |
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} |
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$table = (new $modelClass)->getTable(); |
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$query = $modelClass::query() |
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->withoutGlobalScope(TranslatableScope::class) |
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->select($table . '.type', $table . '.key', $table . '.value', 'locales.iso AS locale', $table . '.created_at', $table . '.updated_at') |
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->join('translations', $table . '.id', '=', 'translations.translatable_id') |
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->join('locales', 'translations.locale_id', '=', 'locales.id') |
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->where('translations.translatable_type', '=', $modelClass) |
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->where('locales.available_in_api', '=', true); |
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if (! empty($isos)) { |
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$query = $query->whereIn('locales.iso', $isos); |
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} |
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return $query->get(); |
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} |
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); |
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} |
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/** |
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* Setup "locale" field definition. |
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* |
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* @return \GraphQL\Language\AST\FieldDefinitionNode |
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*/ |
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protected function defineLocaleField() |
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{ |
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return new FieldDefinitionNode([ |
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'name' => new NameNode(['value' => 'locale']), |
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'type' => new NonNullTypeNode(['type' => new NamedTypeNode(['name' => new NameNode(['value' => 'String'])])]), |
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'arguments' => new NodeList([]), |
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'directives' => new NodeList([]), |
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'description' => new StringValueNode(['value' => 'Locale ISO', 'block' => false]), |
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]); |
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} |
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} |
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BBS-Lab /
nova-translation
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This check looks from parameters that have been defined for a function or method, but which are not used in the method body.