Complex classes like DefaultControllerMethodsTrait 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. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
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 DefaultControllerMethodsTrait, and based on these observations, apply Extract Interface, too.
1 | <?php namespace Limoncello\Flute\Http\Traits; |
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57 | trait DefaultControllerMethodsTrait |
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58 | { |
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59 | /** @noinspection PhpTooManyParametersInspection |
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60 | * @param array $queryParams |
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61 | * @param UriInterface $requestUri |
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62 | * @param JsonApiQueryValidatingParserInterface $queryParser |
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63 | * @param ParametersMapperInterface $mapper |
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64 | * @param CrudInterface $crud |
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65 | * @param SettingsProviderInterface $provider |
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66 | * @param JsonSchemasInterface $jsonSchemas |
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67 | * @param EncoderInterface $encoder |
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68 | * |
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69 | * @return ResponseInterface |
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70 | */ |
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71 | 12 | protected static function defaultIndexHandler( |
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72 | array $queryParams, |
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73 | UriInterface $requestUri, |
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74 | JsonApiQueryValidatingParserInterface $queryParser, |
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75 | ParametersMapperInterface $mapper, |
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76 | CrudInterface $crud, |
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77 | SettingsProviderInterface $provider, |
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78 | JsonSchemasInterface $jsonSchemas, |
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79 | EncoderInterface $encoder |
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80 | ): ResponseInterface { |
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81 | 12 | $queryParser->parse($queryParams); |
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82 | |||
83 | 11 | $models = $mapper->applyQueryParameters($queryParser, $crud)->index(); |
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84 | |||
85 | 10 | $encParams = self::defaultCreateEncodingParameters($queryParser); |
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86 | 10 | $responses = static::defaultCreateResponses($requestUri, $provider, $jsonSchemas, $encoder, $encParams); |
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87 | 10 | $response = ($models->getData()) === null ? |
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88 | 10 | $responses->getCodeResponse(404) : $responses->getContentResponse($models); |
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89 | |||
90 | 10 | return $response; |
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91 | } |
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92 | |||
93 | /** @noinspection PhpTooManyParametersInspection |
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94 | * @param string $index |
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95 | * @param array $queryParams |
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96 | * @param UriInterface $requestUri |
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97 | * @param JsonApiQueryValidatingParserInterface $queryParser |
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98 | * @param ParametersMapperInterface $mapper |
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99 | * @param CrudInterface $crud |
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100 | * @param SettingsProviderInterface $provider |
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101 | * @param JsonSchemasInterface $jsonSchemas |
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102 | * @param EncoderInterface $encoder |
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103 | * |
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104 | * @return ResponseInterface |
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105 | */ |
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106 | 1 | protected static function defaultReadHandler( |
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107 | string $index, |
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108 | array $queryParams, |
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109 | UriInterface $requestUri, |
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110 | JsonApiQueryValidatingParserInterface $queryParser, |
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111 | ParametersMapperInterface $mapper, |
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112 | CrudInterface $crud, |
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113 | SettingsProviderInterface $provider, |
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114 | JsonSchemasInterface $jsonSchemas, |
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115 | EncoderInterface $encoder |
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116 | ): ResponseInterface { |
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117 | 1 | $queryParser->parse($queryParams); |
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118 | |||
119 | 1 | $model = $mapper->applyQueryParameters($queryParser, $crud)->read($index); |
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120 | 1 | assert(!($model instanceof PaginatedDataInterface)); |
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121 | |||
122 | 1 | $encParams = self::defaultCreateEncodingParameters($queryParser); |
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123 | 1 | $responses = static::defaultCreateResponses($requestUri, $provider, $jsonSchemas, $encoder, $encParams); |
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124 | 1 | $response = $model === null ? |
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125 | 1 | $responses->getCodeResponse(404) : $responses->getContentResponse($model); |
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126 | |||
127 | 1 | return $response; |
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128 | } |
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129 | |||
130 | /** @noinspection PhpTooManyParametersInspection |
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131 | * @param Closure $apiHandler |
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132 | * @param array $queryParams |
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133 | * @param UriInterface $requestUri |
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134 | * @param JsonApiQueryValidatingParserInterface $queryParser |
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135 | * @param ParametersMapperInterface $mapper |
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136 | * @param CrudInterface $crud |
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137 | * @param SettingsProviderInterface $provider |
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138 | * @param JsonSchemasInterface $jsonSchemas |
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139 | * @param EncoderInterface $encoder |
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140 | * |
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141 | * @return ResponseInterface |
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142 | */ |
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143 | 2 | protected static function defaultReadRelationshipWithClosureHandler( |
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144 | Closure $apiHandler, |
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145 | array $queryParams, |
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146 | UriInterface $requestUri, |
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147 | JsonApiQueryValidatingParserInterface $queryParser, |
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148 | ParametersMapperInterface $mapper, |
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149 | CrudInterface $crud, |
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150 | SettingsProviderInterface $provider, |
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151 | JsonSchemasInterface $jsonSchemas, |
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152 | EncoderInterface $encoder |
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153 | ): ResponseInterface { |
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154 | 2 | $queryParser->parse($queryParams); |
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155 | 2 | $mapper->applyQueryParameters($queryParser, $crud); |
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156 | |||
157 | 2 | $relData = call_user_func($apiHandler); |
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158 | |||
159 | 2 | $encParams = self::defaultCreateEncodingParameters($queryParser); |
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160 | 2 | $responses = static::defaultCreateResponses($requestUri, $provider, $jsonSchemas, $encoder, $encParams); |
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161 | |||
162 | 2 | $noData = $relData === null || ($relData instanceof PaginatedDataInterface && $relData->getData() === null); |
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163 | 2 | $response = $noData === true ? $responses->getCodeResponse(404) : $responses->getContentResponse($relData); |
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164 | |||
165 | 2 | return $response; |
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166 | } |
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167 | |||
168 | /** @noinspection PhpTooManyParametersInspection |
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169 | * @param Closure $apiHandler |
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170 | * @param array $queryParams |
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171 | * @param UriInterface $requestUri |
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172 | * @param JsonApiQueryValidatingParserInterface $queryParser |
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173 | * @param ParametersMapperInterface $mapper |
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174 | * @param CrudInterface $crud |
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175 | * @param SettingsProviderInterface $provider |
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176 | * @param JsonSchemasInterface $jsonSchemas |
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177 | * @param EncoderInterface $encoder |
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178 | * |
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179 | * @return ResponseInterface |
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180 | */ |
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181 | 1 | protected static function defaultReadRelationshipIdentifiersWithClosureHandler( |
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182 | Closure $apiHandler, |
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183 | array $queryParams, |
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184 | UriInterface $requestUri, |
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185 | JsonApiQueryValidatingParserInterface $queryParser, |
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186 | ParametersMapperInterface $mapper, |
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187 | CrudInterface $crud, |
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188 | SettingsProviderInterface $provider, |
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189 | JsonSchemasInterface $jsonSchemas, |
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190 | EncoderInterface $encoder |
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191 | ): ResponseInterface { |
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192 | 1 | $queryParser->parse($queryParams); |
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193 | 1 | $mapper->applyQueryParameters($queryParser, $crud); |
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194 | |||
195 | 1 | $relData = call_user_func($apiHandler); |
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196 | |||
197 | 1 | $encParams = self::defaultCreateEncodingParameters($queryParser); |
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198 | 1 | $responses = static::defaultCreateResponses($requestUri, $provider, $jsonSchemas, $encoder, $encParams); |
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199 | |||
200 | 1 | $noData = $relData === null || ($relData instanceof PaginatedDataInterface && $relData->getData() === null); |
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201 | 1 | $response = $noData === true ? $responses->getCodeResponse(404) : $responses->getIdentifiersResponse($relData); |
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202 | |||
203 | 1 | return $response; |
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204 | } |
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205 | |||
206 | /** @noinspection PhpTooManyParametersInspection |
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207 | * @param UriInterface $requestUri |
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208 | * @param string $requestBody |
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209 | * @param string $schemaClass |
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210 | * @param ModelSchemaInfoInterface $schemaInfo |
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211 | * @param JsonApiDataValidatingParserInterface $validator |
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212 | * @param CrudInterface $crud |
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213 | * @param SettingsProviderInterface $provider |
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214 | * @param JsonSchemasInterface $jsonSchemas |
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215 | * @param EncoderInterface $encoder |
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216 | * @param FactoryInterface $errorFactory |
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217 | * @param FormatterFactoryInterface $formatterFactory |
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218 | * |
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219 | * @return ResponseInterface |
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220 | * |
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221 | * @SuppressWarnings(PHPMD.ExcessiveParameterList) |
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222 | */ |
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223 | 1 | protected static function defaultCreateHandler( |
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250 | |||
251 | /** |
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252 | * @param string $requestBody |
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253 | * @param string $schemaClass |
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254 | * @param ModelSchemaInfoInterface $schemaInfo |
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255 | * @param JsonApiDataValidatingParserInterface $validator |
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256 | * @param CrudInterface $crud |
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257 | * @param FactoryInterface $errorFactory |
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258 | * @param FormatterFactoryInterface $formatterFactory |
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259 | * |
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260 | * @return ResponseInterface |
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261 | */ |
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262 | 1 | protected static function defaultCreate( |
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280 | |||
281 | /** |
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282 | * @param string $index |
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283 | * @param UriInterface $requestUri |
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284 | * @param CrudInterface $crud |
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285 | * @param SettingsProviderInterface $provider |
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286 | * @param JsonSchemasInterface $jsonSchemas |
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287 | * @param EncoderInterface $encoder |
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288 | * |
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289 | * @return ResponseInterface |
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290 | */ |
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291 | 1 | protected static function defaultCreateResponse( |
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292 | string $index, |
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293 | UriInterface $requestUri, |
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294 | CrudInterface $crud, |
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295 | SettingsProviderInterface $provider, |
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296 | JsonSchemasInterface $jsonSchemas, |
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297 | EncoderInterface $encoder |
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298 | ): ResponseInterface { |
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299 | 1 | $model = $crud->read($index); |
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300 | 1 | assert($model !== null && !($model instanceof PaginatedDataInterface)); |
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301 | |||
302 | 1 | $encParams = null; |
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303 | 1 | $responses = static::defaultCreateResponses($requestUri, $provider, $jsonSchemas, $encoder, $encParams); |
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304 | 1 | $response = $responses->getCreatedResponse($model); |
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305 | |||
306 | 1 | return $response; |
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307 | } |
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308 | |||
309 | /** @noinspection PhpTooManyParametersInspection |
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310 | * @param string $index |
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311 | * @param UriInterface $requestUri |
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312 | * @param string $requestBody |
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313 | * @param string $schemaClass |
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314 | * @param ModelSchemaInfoInterface $schemaInfo |
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315 | * @param JsonApiDataValidatingParserInterface $validator |
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316 | * @param CrudInterface $crud |
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317 | * @param SettingsProviderInterface $provider |
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318 | * @param JsonSchemasInterface $jsonSchemas |
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319 | * @param EncoderInterface $encoder |
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320 | * @param FactoryInterface $errorFactory |
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321 | * @param FormatterFactoryInterface $formatterFactory |
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322 | * @param string $messagesNamespace |
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323 | * @param string $errorMessage |
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324 | * |
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325 | * @return ResponseInterface |
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326 | * |
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327 | * @SuppressWarnings(PHPMD.ExcessiveParameterList) |
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328 | */ |
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329 | 6 | protected static function defaultUpdateHandler( |
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362 | |||
363 | /** @noinspection PhpTooManyParametersInspection |
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364 | * @param string $index |
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365 | * @param string $requestBody |
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366 | * @param string $schemaClass |
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367 | * @param ModelSchemaInfoInterface $schemaInfo |
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368 | * @param JsonApiDataValidatingParserInterface $validator |
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369 | * @param CrudInterface $crud |
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370 | * @param FactoryInterface $errorFactory |
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371 | * @param FormatterFactoryInterface $formatterFactory |
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372 | * @param string $messagesNamespace |
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373 | * @param string $errorMessage |
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374 | * |
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375 | * @return int |
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376 | * |
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377 | * @SuppressWarnings(PHPMD.ElseExpression) |
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378 | * @SuppressWarnings(PHPMD.ExcessiveParameterList) |
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379 | */ |
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380 | 6 | protected static function defaultUpdate( |
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416 | |||
417 | /** |
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418 | * @param int $updated |
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419 | * @param string $index |
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420 | * @param UriInterface $requestUri |
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421 | * @param CrudInterface $crud |
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422 | * @param SettingsProviderInterface $provider |
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423 | * @param JsonSchemasInterface $jsonSchemas |
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424 | * @param EncoderInterface $encoder |
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425 | * |
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426 | * @return ResponseInterface |
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427 | * |
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428 | * @SuppressWarnings(PHPMD.ElseExpression) |
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429 | */ |
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430 | 3 | protected static function defaultUpdateResponse( |
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431 | int $updated, |
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432 | string $index, |
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433 | UriInterface $requestUri, |
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434 | CrudInterface $crud, |
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435 | SettingsProviderInterface $provider, |
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436 | JsonSchemasInterface $jsonSchemas, |
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437 | EncoderInterface $encoder |
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438 | ): ResponseInterface { |
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439 | 3 | $encParams = null; |
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440 | 3 | $responses = static::defaultCreateResponses($requestUri, $provider, $jsonSchemas, $encoder, $encParams); |
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441 | 3 | if ($updated > 0 && ($model = $crud->read($index)) !== null) { |
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442 | 2 | assert(!($model instanceof PaginatedDataInterface)); |
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443 | 2 | $response = $responses->getContentResponse($model); |
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444 | } else { |
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445 | 1 | $response = $responses->getCodeResponse(404); |
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446 | } |
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447 | |||
448 | 3 | return $response; |
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449 | } |
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450 | |||
451 | /** @noinspection PhpTooManyParametersInspection |
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452 | * @param string $parentIndex |
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453 | * @param string $modelRelName |
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454 | * @param string $childIndex |
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455 | * @param UriInterface $requestUri |
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456 | * @param string $requestBody |
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457 | * @param string $childSchemaClass |
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458 | * @param ModelSchemaInfoInterface $schemaInfo |
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459 | * @param JsonApiDataValidatingParserInterface $childValidator |
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460 | * @param CrudInterface $parentCrud |
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461 | * @param CrudInterface $childCrud |
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462 | * @param SettingsProviderInterface $provider |
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463 | * @param JsonSchemasInterface $jsonSchemas |
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464 | * @param EncoderInterface $encoder |
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465 | * @param FactoryInterface $errorFactory |
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466 | * @param FormatterFactoryInterface $formatterFactory |
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467 | * @param string $messagesNamespace |
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468 | * @param string $errorMessage |
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469 | * |
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470 | * @return ResponseInterface |
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471 | * |
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472 | * @SuppressWarnings(PHPMD.ExcessiveParameterList) |
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473 | */ |
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474 | 2 | protected static function defaultUpdateInRelationshipHandler( |
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475 | string $parentIndex, |
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476 | string $modelRelName, |
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477 | string $childIndex, |
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478 | UriInterface $requestUri, |
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479 | string $requestBody, |
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480 | string $childSchemaClass, |
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481 | ModelSchemaInfoInterface $schemaInfo, |
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482 | JsonApiDataValidatingParserInterface $childValidator, |
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483 | CrudInterface $parentCrud, |
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484 | CrudInterface $childCrud, |
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485 | SettingsProviderInterface $provider, |
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486 | JsonSchemasInterface $jsonSchemas, |
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487 | EncoderInterface $encoder, |
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488 | FactoryInterface $errorFactory, |
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489 | FormatterFactoryInterface $formatterFactory, |
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490 | string $messagesNamespace = S::GENERIC_NAMESPACE, |
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491 | string $errorMessage = Generic::MSG_ERR_INVALID_ELEMENT |
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492 | ): ResponseInterface { |
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493 | 2 | if ($parentCrud->hasInRelationship($parentIndex, $modelRelName, $childIndex) === true) { |
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494 | 1 | return static::defaultUpdateHandler( |
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495 | 1 | $childIndex, |
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496 | 1 | $requestUri, |
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497 | 1 | $requestBody, |
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498 | 1 | $childSchemaClass, |
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499 | 1 | $schemaInfo, |
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500 | 1 | $childValidator, |
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501 | 1 | $childCrud, |
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502 | 1 | $provider, |
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503 | 1 | $jsonSchemas, |
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504 | 1 | $encoder, |
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505 | 1 | $errorFactory, |
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506 | 1 | $formatterFactory, |
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507 | 1 | $messagesNamespace, |
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508 | 1 | $errorMessage |
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509 | ); |
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510 | } |
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511 | |||
512 | 1 | $encParams = null; |
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513 | 1 | $responses = static::defaultCreateResponses($requestUri, $provider, $jsonSchemas, $encoder, $encParams); |
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514 | |||
515 | 1 | return $responses->getCodeResponse(404); |
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516 | } |
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517 | |||
518 | /** |
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519 | * @param string $index |
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520 | * @param UriInterface $requestUri |
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521 | * @param CrudInterface $crud |
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522 | * @param SettingsProviderInterface $provider |
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523 | * @param JsonSchemasInterface $jsonSchemas |
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524 | * @param EncoderInterface $encoder |
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525 | * |
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526 | * @return ResponseInterface |
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527 | */ |
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528 | 2 | protected static function defaultDeleteHandler( |
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529 | string $index, |
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530 | UriInterface $requestUri, |
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531 | CrudInterface $crud, |
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532 | SettingsProviderInterface $provider, |
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533 | JsonSchemasInterface $jsonSchemas, |
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534 | EncoderInterface $encoder |
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535 | ): ResponseInterface { |
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536 | 2 | $crud->remove($index); |
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537 | |||
538 | 2 | $encParams = null; |
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539 | 2 | $responses = static::defaultCreateResponses($requestUri, $provider, $jsonSchemas, $encoder, $encParams); |
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540 | 2 | $response = $responses->getCodeResponse(204); |
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541 | |||
542 | 2 | return $response; |
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543 | } |
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544 | |||
545 | /** @noinspection PhpTooManyParametersInspection |
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546 | * @param string $parentIndex |
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547 | * @param string $modelRelName |
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548 | * @param string $childIndex |
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549 | * @param UriInterface $requestUri |
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550 | * @param CrudInterface $parentCrud |
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551 | * @param CrudInterface $childCrud |
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552 | * @param SettingsProviderInterface $provider |
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553 | * @param JsonSchemasInterface $jsonSchemas |
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554 | * @param EncoderInterface $encoder |
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555 | * |
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556 | * @return ResponseInterface |
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557 | */ |
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558 | 1 | protected static function defaultDeleteInRelationshipHandler( |
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559 | string $parentIndex, |
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560 | string $modelRelName, |
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561 | string $childIndex, |
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562 | UriInterface $requestUri, |
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563 | CrudInterface $parentCrud, |
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564 | CrudInterface $childCrud, |
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565 | SettingsProviderInterface $provider, |
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566 | JsonSchemasInterface $jsonSchemas, |
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567 | EncoderInterface $encoder |
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568 | ): ResponseInterface { |
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569 | 1 | if ($parentCrud->hasInRelationship($parentIndex, $modelRelName, $childIndex) === true) { |
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570 | 1 | return static::defaultDeleteHandler( |
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571 | 1 | $childIndex, |
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572 | 1 | $requestUri, |
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573 | 1 | $childCrud, |
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574 | 1 | $provider, |
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575 | 1 | $jsonSchemas, |
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576 | 1 | $encoder |
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577 | ); |
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578 | } |
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579 | |||
580 | 1 | $encParams = null; |
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581 | 1 | $responses = static::defaultCreateResponses($requestUri, $provider, $jsonSchemas, $encoder, $encParams); |
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582 | |||
583 | 1 | return $responses->getCodeResponse(404); |
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584 | } |
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585 | |||
586 | /** |
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587 | * @param ContainerInterface $container |
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588 | * @param string $rulesClass |
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589 | * |
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590 | * @return JsonApiQueryValidatingParserInterface |
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591 | * |
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592 | * @throws ContainerExceptionInterface |
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593 | * @throws NotFoundExceptionInterface |
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594 | */ |
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595 | 16 | protected static function defaultCreateQueryParser( |
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607 | |||
608 | /** |
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609 | * @param ContainerInterface $container |
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610 | * @param string $rulesClass |
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611 | * |
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612 | * @return JsonApiDataValidatingParserInterface |
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613 | * |
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614 | * @throws ContainerExceptionInterface |
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615 | * @throws NotFoundExceptionInterface |
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616 | */ |
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617 | 8 | protected static function defaultCreateDataParser( |
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629 | |||
630 | /** |
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631 | * @param ContainerInterface $container |
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632 | * @param string $schemaClass |
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633 | * |
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634 | * @return ParametersMapperInterface |
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635 | * |
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636 | * @throws ContainerExceptionInterface |
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637 | * @throws NotFoundExceptionInterface |
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638 | */ |
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639 | 16 | protected static function defaultCreateParameterMapper( |
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654 | |||
655 | /** |
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656 | * @param JsonApiQueryValidatingParserInterface $queryParser |
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657 | * |
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658 | * @return EncodingParametersInterface |
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659 | */ |
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660 | 14 | protected static function defaultCreateEncodingParameters( |
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668 | |||
669 | /** |
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670 | * @param ContainerInterface $container |
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671 | * @param string|null $class |
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672 | * |
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673 | * @return CrudInterface |
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674 | * |
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675 | * @throws ContainerExceptionInterface |
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676 | * @throws NotFoundExceptionInterface |
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677 | */ |
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678 | 26 | protected static function defaultCreateApi(ContainerInterface $container, string $class): CrudInterface |
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688 | |||
689 | /** |
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690 | * @param UriInterface $requestUri |
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691 | * @param SettingsProviderInterface $provider |
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692 | * @param JsonSchemasInterface $jsonSchemas |
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693 | * @param EncoderInterface $encoder |
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694 | * @param EncodingParametersInterface|null $parameters |
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695 | * |
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696 | * @return ResponsesInterface |
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697 | */ |
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698 | 21 | protected static function defaultCreateResponses( |
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718 | |||
719 | /** |
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720 | * Developers can override the method in order to add/remove some data for `create`/`update` inputs. |
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721 | * |
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722 | * @param string $requestBody |
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723 | * @param FactoryInterface $errorFactory |
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724 | * @param FormatterFactoryInterface $formatterFactory |
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725 | * @param string $messagesNamespace |
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726 | * @param string $errorMessage |
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727 | * |
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728 | * @return array |
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729 | */ |
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730 | 7 | protected static function readJsonFromRequest( |
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747 | |||
748 | /** |
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749 | * Developers can override the method in order to use custom data mapping from a Schema to Model. |
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750 | * |
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751 | * @param array $captures |
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752 | * @param string $schemaClass |
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753 | * @param ModelSchemaInfoInterface $schemaInfo |
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754 | * |
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755 | * @return array |
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756 | */ |
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757 | 4 | protected static function mapSchemaDataToModelData( |
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794 | |||
795 | /** |
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796 | * @param null|string $value |
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797 | * |
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798 | * @return void |
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799 | */ |
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800 | 26 | private static function assertClassValueDefined(?string $value): void |
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804 | |||
805 | /** |
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806 | * @param string $class |
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807 | * @param string $interface |
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808 | * |
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809 | * @return void |
||
810 | */ |
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811 | 26 | private static function assertClassImplements(string $class, string $interface): void |
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818 | } |
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819 |
This check compares the return type specified in the
@return
annotation of a function or method doc comment with the types returned by the function and raises an issue if they mismatch.