1 | <?php |
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2 | |||
3 | /* |
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4 | * This file is part of the API Platform project. |
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5 | * |
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6 | * (c) Kévin Dunglas <[email protected]> |
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7 | * |
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8 | * For the full copyright and license information, please view the LICENSE |
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9 | * file that was distributed with this source code. |
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10 | */ |
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11 | |||
12 | declare(strict_types=1); |
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13 | |||
14 | namespace ApiPlatform\Core\GraphQl\Type; |
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15 | |||
16 | use ApiPlatform\Core\Exception\InvalidArgumentException; |
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17 | use ApiPlatform\Core\Exception\ResourceClassNotFoundException; |
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18 | use ApiPlatform\Core\Metadata\Resource\Factory\ResourceMetadataFactoryInterface; |
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19 | use GraphQL\Error\SyntaxError; |
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20 | use GraphQL\Language\AST\ListTypeNode; |
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21 | use GraphQL\Language\AST\NamedTypeNode; |
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22 | use GraphQL\Language\AST\NonNullTypeNode; |
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23 | use GraphQL\Language\AST\TypeNode; |
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24 | use GraphQL\Language\Parser; |
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25 | use GraphQL\Type\Definition\NullableType; |
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26 | use GraphQL\Type\Definition\Type as GraphQLType; |
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27 | use Symfony\Component\PropertyInfo\Type; |
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28 | |||
29 | /** |
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30 | * Converts a type to its GraphQL equivalent. |
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31 | * |
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32 | * @experimental |
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33 | * |
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34 | * @author Alan Poulain <[email protected]> |
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35 | */ |
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36 | final class TypeConverter implements TypeConverterInterface |
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37 | { |
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38 | private $typeBuilder; |
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39 | private $typesContainer; |
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40 | private $resourceMetadataFactory; |
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41 | |||
42 | public function __construct(TypeBuilderInterface $typeBuilder, TypesContainerInterface $typesContainer, ResourceMetadataFactoryInterface $resourceMetadataFactory) |
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43 | { |
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44 | $this->typeBuilder = $typeBuilder; |
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45 | $this->typesContainer = $typesContainer; |
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46 | $this->resourceMetadataFactory = $resourceMetadataFactory; |
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47 | } |
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48 | |||
49 | /** |
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50 | * {@inheritdoc} |
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51 | */ |
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52 | public function convertType(Type $type, bool $input, ?string $queryName, ?string $mutationName, string $resourceClass, string $rootResource, ?string $property, int $depth) |
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53 | { |
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54 | switch ($type->getBuiltinType()) { |
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55 | case Type::BUILTIN_TYPE_BOOL: |
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56 | return GraphQLType::boolean(); |
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57 | case Type::BUILTIN_TYPE_INT: |
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58 | return GraphQLType::int(); |
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59 | case Type::BUILTIN_TYPE_FLOAT: |
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60 | return GraphQLType::float(); |
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61 | case Type::BUILTIN_TYPE_STRING: |
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62 | return GraphQLType::string(); |
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63 | case Type::BUILTIN_TYPE_ARRAY: |
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64 | case Type::BUILTIN_TYPE_ITERABLE: |
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65 | return 'Iterable'; |
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66 | case Type::BUILTIN_TYPE_OBJECT: |
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67 | if ($input && $depth > 0) { |
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68 | return GraphQLType::string(); |
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69 | } |
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70 | |||
71 | if (is_a($type->getClassName(), \DateTimeInterface::class, true)) { |
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72 | return GraphQLType::string(); |
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73 | } |
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74 | |||
75 | return $this->getResourceType($type, $input, $queryName, $mutationName, $depth); |
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76 | default: |
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77 | return null; |
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78 | } |
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79 | } |
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80 | |||
81 | /** |
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82 | * {@inheritdoc} |
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83 | */ |
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84 | public function resolveType(string $type): ?GraphQLType |
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85 | { |
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86 | try { |
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87 | $astTypeNode = Parser::parseType($type); |
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88 | } catch (SyntaxError $e) { |
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89 | throw new InvalidArgumentException(sprintf('"%s" is not a valid GraphQL type.', $type), 0, $e); |
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90 | } |
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91 | |||
92 | if ($graphQlType = $this->resolveAstTypeNode($astTypeNode, $type)) { |
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93 | return $graphQlType; |
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94 | } |
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95 | |||
96 | throw new InvalidArgumentException(sprintf('The type "%s" was not resolved.', $type)); |
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97 | } |
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98 | |||
99 | private function getResourceType(Type $type, bool $input, ?string $queryName, ?string $mutationName, int $depth): ?GraphQLType |
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100 | { |
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101 | $resourceClass = $this->typeBuilder->isCollection($type) && ($collectionValueType = $type->getCollectionValueType()) ? $collectionValueType->getClassName() : $type->getClassName(); |
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102 | if (null === $resourceClass) { |
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103 | return null; |
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104 | } |
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105 | |||
106 | try { |
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107 | $resourceMetadata = $this->resourceMetadataFactory->create($resourceClass); |
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108 | if ([] === ($resourceMetadata->getGraphql() ?? [])) { |
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109 | return null; |
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110 | } |
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111 | } catch (ResourceClassNotFoundException $e) { |
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112 | // Skip objects that are not resources for now |
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113 | return null; |
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114 | } |
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115 | |||
116 | return $this->typeBuilder->getResourceObjectType($resourceClass, $resourceMetadata, $input, $queryName, $mutationName, false, $depth); |
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117 | } |
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118 | |||
119 | private function resolveAstTypeNode(TypeNode $astTypeNode, string $fromType): ?GraphQLType |
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120 | { |
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121 | if ($astTypeNode instanceof NonNullTypeNode) { |
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122 | /** @var NullableType|null $nullableAstTypeNode */ |
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123 | $nullableAstTypeNode = $this->resolveNullableAstTypeNode($astTypeNode->type, $fromType); |
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124 | |||
125 | return $nullableAstTypeNode ? GraphQLType::nonNull($nullableAstTypeNode) : null; |
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126 | } |
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127 | |||
128 | return $this->resolveNullableAstTypeNode($astTypeNode, $fromType); |
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129 | } |
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130 | |||
131 | private function resolveNullableAstTypeNode(TypeNode $astTypeNode, string $fromType): ?GraphQLType |
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132 | { |
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133 | if ($astTypeNode instanceof ListTypeNode) { |
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134 | /** @var TypeNode $astTypeNodeElement */ |
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135 | $astTypeNodeElement = $astTypeNode->type; |
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136 | |||
137 | return GraphQLType::listOf($this->resolveAstTypeNode($astTypeNodeElement, $fromType)); |
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138 | } |
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139 | |||
140 | if (!$astTypeNode instanceof NamedTypeNode) { |
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141 | return null; |
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142 | } |
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143 | |||
144 | $typeName = $astTypeNode->name->value; |
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145 | |||
146 | switch ($typeName) { |
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147 | case GraphQLType::STRING: |
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148 | return GraphQLType::string(); |
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149 | case GraphQLType::INT: |
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150 | return GraphQLType::int(); |
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151 | case GraphQLType::BOOLEAN: |
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152 | return GraphQLType::boolean(); |
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153 | case GraphQLType::FLOAT: |
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154 | return GraphQLType::float(); |
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155 | case GraphQLType::ID: |
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156 | return GraphQLType::id(); |
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157 | default: |
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158 | if ($this->typesContainer->has($typeName)) { |
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159 | return $this->typesContainer->get($typeName); |
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160 | } |
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161 | |||
162 | return null; |
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163 | } |
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164 | } |
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165 | } |
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166 |