| Total Complexity | 51 |
| Total Lines | 351 |
| Duplicated Lines | 0 % |
| Changes | 0 | ||
Complex classes like ResourceMetadata often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use ResourceMetadata, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 23 | final class ResourceMetadata |
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| 24 | { |
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| 25 | private $shortName; |
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| 26 | private $description; |
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| 27 | private $iri; |
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| 28 | private $itemOperations; |
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| 29 | private $collectionOperations; |
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| 30 | private $subresourceOperations; |
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| 31 | private $graphql; |
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| 32 | private $attributes; |
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| 33 | |||
| 34 | public function __construct(string $shortName = null, string $description = null, string $iri = null, array $itemOperations = null, array $collectionOperations = null, array $attributes = null, array $subresourceOperations = null, array $graphql = null) |
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| 35 | { |
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| 36 | $this->shortName = $shortName; |
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| 37 | $this->description = $description; |
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| 38 | $this->iri = $iri; |
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| 39 | $this->itemOperations = $itemOperations; |
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| 40 | $this->collectionOperations = $collectionOperations; |
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| 41 | $this->subresourceOperations = $subresourceOperations; |
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| 42 | $this->graphql = $graphql; |
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| 43 | $this->attributes = $attributes; |
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| 44 | } |
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| 45 | |||
| 46 | /** |
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| 47 | * Gets the short name. |
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| 48 | * |
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| 49 | * @return string|null |
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| 50 | */ |
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| 51 | public function getShortName() |
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| 52 | { |
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| 53 | return $this->shortName; |
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| 54 | } |
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| 55 | |||
| 56 | /** |
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| 57 | * Returns a new instance with the given short name. |
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| 58 | */ |
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| 59 | public function withShortName(string $shortName): self |
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| 60 | { |
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| 61 | $metadata = clone $this; |
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| 62 | $metadata->shortName = $shortName; |
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| 63 | |||
| 64 | return $metadata; |
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| 65 | } |
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| 66 | |||
| 67 | /** |
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| 68 | * Gets the description. |
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| 69 | * |
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| 70 | * @return string|null |
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| 71 | */ |
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| 72 | public function getDescription() |
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| 73 | { |
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| 74 | return $this->description; |
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| 75 | } |
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| 76 | |||
| 77 | /** |
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| 78 | * Returns a new instance with the given description. |
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| 79 | */ |
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| 80 | public function withDescription(string $description): self |
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| 81 | { |
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| 82 | $metadata = clone $this; |
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| 83 | $metadata->description = $description; |
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| 84 | |||
| 85 | return $metadata; |
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| 86 | } |
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| 87 | |||
| 88 | /** |
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| 89 | * Gets the associated IRI. |
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| 90 | * |
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| 91 | * @return string|null |
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| 92 | */ |
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| 93 | public function getIri() |
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| 94 | { |
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| 95 | return $this->iri; |
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| 96 | } |
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| 97 | |||
| 98 | /** |
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| 99 | * Returns a new instance with the given IRI. |
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| 100 | */ |
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| 101 | public function withIri(string $iri): self |
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| 102 | { |
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| 103 | $metadata = clone $this; |
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| 104 | $metadata->iri = $iri; |
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| 105 | |||
| 106 | return $metadata; |
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| 107 | } |
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| 108 | |||
| 109 | /** |
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| 110 | * Gets item operations. |
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| 111 | * |
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| 112 | * @return array|null |
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| 113 | */ |
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| 114 | public function getItemOperations() |
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| 115 | { |
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| 116 | return $this->itemOperations; |
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| 117 | } |
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| 118 | |||
| 119 | /** |
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| 120 | * Returns a new instance with the given item operations. |
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| 121 | */ |
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| 122 | public function withItemOperations(array $itemOperations): self |
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| 123 | { |
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| 124 | $metadata = clone $this; |
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| 125 | $metadata->itemOperations = $itemOperations; |
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| 126 | |||
| 127 | return $metadata; |
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| 128 | } |
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| 129 | |||
| 130 | /** |
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| 131 | * Gets collection operations. |
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| 132 | * |
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| 133 | * @return array|null |
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| 134 | */ |
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| 135 | public function getCollectionOperations() |
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| 136 | { |
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| 137 | return $this->collectionOperations; |
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| 138 | } |
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| 139 | |||
| 140 | /** |
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| 141 | * Returns a new instance with the given collection operations. |
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| 142 | */ |
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| 143 | public function withCollectionOperations(array $collectionOperations): self |
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| 144 | { |
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| 145 | $metadata = clone $this; |
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| 146 | $metadata->collectionOperations = $collectionOperations; |
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| 147 | |||
| 148 | return $metadata; |
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| 149 | } |
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| 150 | |||
| 151 | /** |
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| 152 | * Gets subresource operations. |
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| 153 | * |
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| 154 | * @return array|null |
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| 155 | */ |
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| 156 | public function getSubresourceOperations() |
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| 157 | { |
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| 158 | return $this->subresourceOperations; |
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| 159 | } |
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| 160 | |||
| 161 | /** |
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| 162 | * Returns a new instance with the given subresource operations. |
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| 163 | */ |
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| 164 | public function withSubresourceOperations(array $subresourceOperations): self |
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| 165 | { |
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| 166 | $metadata = clone $this; |
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| 167 | $metadata->subresourceOperations = $subresourceOperations; |
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| 168 | |||
| 169 | return $metadata; |
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| 170 | } |
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| 171 | |||
| 172 | /** |
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| 173 | * Gets a collection operation attribute, optionally fallback to a resource attribute. |
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| 174 | */ |
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| 175 | public function getCollectionOperationAttribute(string $operationName = null, string $key, $defaultValue = null, bool $resourceFallback = false) |
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| 178 | } |
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| 179 | |||
| 180 | /** |
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| 181 | * Gets an item operation attribute, optionally fallback to a resource attribute. |
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| 182 | */ |
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| 183 | public function getItemOperationAttribute(string $operationName = null, string $key, $defaultValue = null, bool $resourceFallback = false) |
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| 184 | { |
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| 185 | return $this->findOperationAttribute($this->itemOperations, $operationName, $key, $defaultValue, $resourceFallback); |
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| 186 | } |
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| 187 | |||
| 188 | /** |
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| 189 | * Gets a subresource operation attribute, optionally fallback to a resource attribute. |
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| 190 | */ |
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| 191 | public function getSubresourceOperationAttribute(string $operationName = null, string $key, $defaultValue = null, bool $resourceFallback = false) |
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| 192 | { |
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| 193 | return $this->findOperationAttribute($this->subresourceOperations, $operationName, $key, $defaultValue, $resourceFallback); |
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| 194 | } |
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| 195 | |||
| 196 | /** |
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| 197 | * Gets an operation attribute, optionally fallback to a resource attribute. |
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| 198 | */ |
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| 199 | private function findOperationAttribute(array $operations = null, string $operationName = null, string $key, $defaultValue = null, bool $resourceFallback = false) |
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| 200 | { |
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| 201 | if (null !== $operationName && isset($operations[$operationName][$key])) { |
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| 202 | return $operations[$operationName][$key]; |
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| 203 | } |
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| 204 | |||
| 205 | if ($resourceFallback && isset($this->attributes[$key])) { |
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| 206 | return $this->attributes[$key]; |
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| 207 | } |
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| 208 | |||
| 209 | return $defaultValue; |
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| 210 | } |
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| 211 | |||
| 212 | public function getGraphqlAttribute(string $operationName, string $key, $defaultValue = null, bool $resourceFallback = false) |
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| 213 | { |
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| 214 | if (isset($this->graphql[$operationName][$key])) { |
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| 215 | return $this->graphql[$operationName][$key]; |
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| 216 | } |
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| 217 | |||
| 218 | if ($resourceFallback && isset($this->attributes[$key])) { |
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| 219 | return $this->attributes[$key]; |
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| 220 | } |
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| 221 | |||
| 222 | return $defaultValue; |
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| 223 | } |
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| 224 | |||
| 225 | /** |
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| 226 | * Gets the first available operation attribute according to the following order: collection, item, subresource, optionally fallback to a default value. |
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| 227 | */ |
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| 228 | public function getOperationAttribute(array $attributes, string $key, $defaultValue = null, bool $resourceFallback = false) |
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| 229 | { |
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| 230 | if (isset($attributes['collection_operation_name'])) { |
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| 231 | return $this->getCollectionOperationAttribute($attributes['collection_operation_name'], $key, $defaultValue, $resourceFallback); |
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| 232 | } |
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| 233 | |||
| 234 | if (isset($attributes['item_operation_name'])) { |
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| 235 | return $this->getItemOperationAttribute($attributes['item_operation_name'], $key, $defaultValue, $resourceFallback); |
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| 236 | } |
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| 237 | |||
| 238 | if (isset($attributes['subresource_operation_name'])) { |
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| 239 | return $this->getSubresourceOperationAttribute($attributes['subresource_operation_name'], $key, $defaultValue, $resourceFallback); |
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| 240 | } |
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| 241 | |||
| 242 | if ($resourceFallback && isset($this->attributes[$key])) { |
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| 243 | return $this->attributes[$key]; |
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| 244 | } |
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| 245 | |||
| 246 | return $defaultValue; |
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| 247 | } |
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| 248 | |||
| 249 | /** |
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| 250 | * Gets an attribute for a given operation type and operation name. |
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| 251 | */ |
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| 252 | public function getTypedOperationAttribute(string $operationType, string $operationName, string $key, $defaultValue = null, bool $resourceFallback = false) |
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| 261 | } |
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| 262 | } |
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| 263 | |||
| 264 | /** |
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| 265 | * Gets the normalized I/O attributes. |
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| 266 | */ |
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| 267 | public function getTypedOperationIOMetadata(string $operationType, string $operationName, string $ioType): ?array |
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| 268 | { |
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| 269 | $ioAttribute = $this->getTypedOperationAttribute($operationType, $operationName, $ioType, null, true); |
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| 270 | |||
| 271 | if (false === $ioAttribute) { |
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| 272 | return ['class' => null]; |
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| 273 | } |
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| 274 | |||
| 275 | if (null === $ioAttribute) { |
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| 276 | return null; |
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| 277 | } |
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| 278 | |||
| 279 | if (\is_string($ioAttribute)) { |
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| 280 | $ioAttribute = ['class' => $ioAttribute]; |
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| 281 | } |
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| 282 | |||
| 283 | if (!isset($ioAttribute['name'])) { |
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| 284 | if (false === $pos = strrpos($ioAttribute['class'], '\\')) { |
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| 285 | return $ioAttribute; |
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| 286 | } |
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| 287 | |||
| 288 | $ioAttribute['name'] = substr($ioAttribute['class'], $pos + 1); |
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| 289 | } |
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| 290 | |||
| 291 | return $ioAttribute; |
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| 292 | } |
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| 293 | |||
| 294 | /** |
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| 295 | * Get the operation I/O class if any. |
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| 296 | */ |
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| 297 | public function getTypedOperationIOClass(string $operationType, string $operationName, string $ioType, $fallback = null) |
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| 298 | { |
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| 299 | $ioMetadata = $this->getTypedOperationIOMetadata($operationType, $operationName, $ioType); |
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| 300 | |||
| 301 | return null === $ioMetadata ? $fallback : $ioMetadata['class']; |
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| 302 | } |
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| 303 | |||
| 304 | /** |
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| 305 | * Get the resource I/O class if any. |
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| 306 | */ |
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| 307 | public function getTypedResourceIOClass(string $ioType, $fallback = null): ?string |
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| 308 | { |
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| 309 | $ioMetadata = $this->getAttribute($ioType); |
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| 310 | |||
| 311 | if (\is_string($ioMetadata)) { |
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| 312 | return $ioMetadata; |
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| 313 | } |
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| 314 | |||
| 315 | if (\is_array($ioMetadata)) { |
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| 316 | return $ioMetadata['class']; |
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| 317 | } |
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| 318 | |||
| 319 | return $fallback; |
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| 320 | } |
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| 321 | |||
| 322 | /** |
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| 323 | * Gets attributes. |
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| 324 | * |
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| 325 | * @return array|null |
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| 326 | */ |
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| 327 | public function getAttributes() |
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| 330 | } |
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| 331 | |||
| 332 | /** |
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| 333 | * Gets an attribute. |
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| 334 | */ |
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| 335 | public function getAttribute(string $key, $defaultValue = null) |
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| 336 | { |
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| 337 | if (isset($this->attributes[$key])) { |
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| 338 | return $this->attributes[$key]; |
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| 339 | } |
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| 340 | |||
| 341 | return $defaultValue; |
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| 342 | } |
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| 343 | |||
| 344 | /** |
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| 345 | * Returns a new instance with the given attribute. |
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| 346 | */ |
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| 347 | public function withAttributes(array $attributes): self |
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| 348 | { |
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| 349 | $metadata = clone $this; |
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| 350 | $metadata->attributes = $attributes; |
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| 351 | |||
| 352 | return $metadata; |
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| 353 | } |
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| 354 | |||
| 355 | /** |
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| 356 | * Gets options of for the GraphQL query. |
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| 357 | * |
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| 358 | * @return array|null |
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| 359 | */ |
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| 360 | public function getGraphql() |
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| 363 | } |
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| 364 | |||
| 365 | /** |
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| 366 | * Returns a new instance with the given GraphQL options. |
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| 367 | */ |
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| 368 | public function withGraphql(array $graphql): self |
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| 374 | } |
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| 375 | } |
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| 376 |