Total Complexity | 108 |
Total Lines | 660 |
Duplicated Lines | 0 % |
Changes | 0 |
Complex classes like EntityDefinitionQueryHelper 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 EntityDefinitionQueryHelper, and based on these observations, apply Extract Interface, too.
1 | <?php declare(strict_types=1); |
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35 | #[Package('core')] |
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36 | class EntityDefinitionQueryHelper |
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37 | { |
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38 | final public const HAS_TO_MANY_JOIN = 'has_to_many_join'; |
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39 | |||
40 | public static function escape(string $string): string |
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41 | { |
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42 | if (mb_strpos($string, '`') !== false) { |
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43 | throw new \InvalidArgumentException('Backtick not allowed in identifier'); |
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44 | } |
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45 | |||
46 | return '`' . $string . '`'; |
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47 | } |
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48 | |||
49 | public static function columnExists(Connection $connection, string $table, string $column): bool |
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50 | { |
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51 | $exists = $connection->fetchOne( |
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52 | 'SHOW COLUMNS FROM ' . self::escape($table) . ' WHERE `Field` LIKE :column', |
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53 | ['column' => $column] |
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54 | ); |
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55 | |||
56 | return !empty($exists); |
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57 | } |
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58 | |||
59 | public static function tableExists(Connection $connection, string $table): bool |
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60 | { |
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61 | return !empty( |
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62 | $connection->fetchOne( |
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63 | 'SHOW TABLES LIKE :table', |
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64 | [ |
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65 | 'table' => $table, |
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66 | ] |
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67 | ) |
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68 | ); |
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69 | } |
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70 | |||
71 | /** |
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72 | * @return list<Field> |
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73 | */ |
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74 | public static function getFieldsOfAccessor(EntityDefinition $definition, string $accessor, bool $resolveTranslated = true): array |
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75 | { |
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76 | $parts = explode('.', $accessor); |
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77 | if ($definition->getEntityName() === $parts[0]) { |
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78 | array_shift($parts); |
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79 | } |
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80 | |||
81 | $accessorFields = []; |
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82 | |||
83 | $source = $definition; |
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84 | |||
85 | foreach ($parts as $part) { |
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86 | if ($part === 'extensions') { |
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87 | continue; |
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88 | } |
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89 | |||
90 | $fields = $source->getFields(); |
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91 | $field = $fields->get($part); |
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92 | |||
93 | // continue if the current part is not a real field to allow access on collections |
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94 | if (!$field) { |
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95 | continue; |
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96 | } |
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97 | |||
98 | if ($field instanceof TranslatedField && $resolveTranslated) { |
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99 | /** @var EntityDefinition $source */ |
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100 | $source = $source->getTranslationDefinition(); |
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101 | $fields = $source->getFields(); |
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102 | $accessorFields[] = $fields->get($part); |
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103 | |||
104 | continue; |
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105 | } |
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106 | |||
107 | if ($field instanceof TranslatedField && !$resolveTranslated) { |
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108 | $accessorFields[] = $field; |
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109 | |||
110 | continue; |
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111 | } |
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112 | |||
113 | $accessorFields[] = $field; |
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114 | |||
115 | if (!$field instanceof AssociationField) { |
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116 | break; |
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117 | } |
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118 | |||
119 | $source = $field->getReferenceDefinition(); |
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120 | if ($field instanceof ManyToManyAssociationField) { |
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121 | $source = $field->getToManyReferenceDefinition(); |
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122 | } |
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123 | } |
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124 | |||
125 | return \array_values(\array_filter($accessorFields)); |
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126 | } |
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127 | |||
128 | /** |
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129 | * Returns the field instance of the provided fieldName. |
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130 | * |
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131 | * @example |
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132 | * |
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133 | * fieldName => 'product.name' |
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134 | * Returns the (new TranslatedField('name')) declaration |
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135 | * |
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136 | * Allows additionally nested referencing |
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137 | * |
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138 | * fieldName => 'category.products.name' |
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139 | * Returns as well the above field definition |
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140 | */ |
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141 | public function getField(string $fieldName, EntityDefinition $definition, string $root, bool $resolveTranslated = true): ?Field |
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142 | { |
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143 | $original = $fieldName; |
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144 | $prefix = $root . '.'; |
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145 | |||
146 | if (mb_strpos($fieldName, $prefix) === 0) { |
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147 | $fieldName = mb_substr($fieldName, mb_strlen($prefix)); |
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148 | } else { |
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149 | $original = $prefix . $original; |
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150 | } |
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151 | |||
152 | $fields = $definition->getFields(); |
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153 | |||
154 | $isAssociation = mb_strpos($fieldName, '.') !== false; |
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155 | |||
156 | if (!$isAssociation && $fields->has($fieldName)) { |
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157 | return $fields->get($fieldName); |
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158 | } |
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159 | $associationKey = explode('.', $fieldName); |
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160 | $associationKey = array_shift($associationKey); |
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161 | |||
162 | $field = $fields->get($associationKey); |
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163 | |||
164 | if ($field instanceof TranslatedField && $resolveTranslated) { |
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165 | return self::getTranslatedField($definition, $field); |
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166 | } |
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167 | if ($field instanceof TranslatedField) { |
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168 | return $field; |
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169 | } |
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170 | |||
171 | if (!$field instanceof AssociationField) { |
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172 | return $field; |
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173 | } |
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174 | |||
175 | $referenceDefinition = $field->getReferenceDefinition(); |
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176 | if ($field instanceof ManyToManyAssociationField) { |
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177 | $referenceDefinition = $field->getToManyReferenceDefinition(); |
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178 | } |
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179 | |||
180 | return $this->getField( |
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181 | $original, |
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182 | $referenceDefinition, |
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183 | $root . '.' . $field->getPropertyName() |
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184 | ); |
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185 | } |
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186 | |||
187 | /** |
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188 | * Builds the sql field accessor for the provided field. |
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189 | * |
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190 | * @example |
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191 | * |
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192 | * fieldName => product.taxId |
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193 | * root => product |
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194 | * returns => `product`.`tax_id` |
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195 | * |
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196 | * This function is also used for complex field accessors like JsonArray Field, JsonObject fields. |
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197 | * It considers the translation and parent-child inheritance. |
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198 | * |
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199 | * fieldName => product.name |
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200 | * root => product |
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201 | * return => COALESCE(`product.translation`.`name`,`product.parent.translation`.`name`) |
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202 | * |
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203 | * @throws UnmappedFieldException |
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204 | */ |
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205 | public function getFieldAccessor(string $fieldName, EntityDefinition $definition, string $root, Context $context): string |
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206 | { |
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207 | $fieldName = str_replace('extensions.', '', $fieldName); |
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208 | |||
209 | $original = $fieldName; |
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210 | $prefix = $root . '.'; |
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211 | |||
212 | if (str_starts_with($fieldName, $prefix)) { |
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213 | $fieldName = mb_substr($fieldName, mb_strlen($prefix)); |
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214 | } else { |
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215 | $original = $prefix . $original; |
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216 | } |
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217 | |||
218 | $fields = $definition->getFields(); |
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219 | if ($fields->has($fieldName)) { |
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220 | $field = $fields->get($fieldName); |
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221 | |||
222 | return $this->buildInheritedAccessor($field, $root, $definition, $context, $fieldName); |
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223 | } |
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224 | |||
225 | $parts = explode('.', $fieldName); |
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226 | $associationKey = array_shift($parts); |
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227 | |||
228 | if ($associationKey === 'extensions') { |
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229 | $associationKey = array_shift($parts); |
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230 | } |
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231 | |||
232 | if (!\is_string($associationKey) || !$fields->has($associationKey)) { |
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233 | throw new UnmappedFieldException($original, $definition); |
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234 | } |
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235 | |||
236 | $field = $fields->get($associationKey); |
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237 | |||
238 | // case for json object fields, other fields has now same option to act with more point notations but hasn't to be an association field. E.g. price.gross |
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239 | if (!$field instanceof AssociationField && ($field instanceof StorageAware || $field instanceof TranslatedField)) { |
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240 | return $this->buildInheritedAccessor($field, $root, $definition, $context, $fieldName); |
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241 | } |
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242 | |||
243 | if (!$field instanceof AssociationField) { |
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244 | throw new \RuntimeException(sprintf('Expected field "%s" to be instance of %s', $associationKey, AssociationField::class)); |
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245 | } |
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246 | |||
247 | $referenceDefinition = $field->getReferenceDefinition(); |
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248 | if ($field instanceof ManyToManyAssociationField) { |
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249 | $referenceDefinition = $field->getToManyReferenceDefinition(); |
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250 | } |
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251 | |||
252 | return $this->getFieldAccessor( |
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253 | $original, |
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254 | $referenceDefinition, |
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255 | $root . '.' . $field->getPropertyName(), |
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256 | $context |
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257 | ); |
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258 | } |
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259 | |||
260 | public static function getAssociationPath(string $accessor, EntityDefinition $definition): ?string |
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261 | { |
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262 | $fields = self::getFieldsOfAccessor($definition, $accessor); |
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263 | |||
264 | $path = []; |
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265 | foreach ($fields as $field) { |
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266 | if (!$field instanceof AssociationField) { |
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267 | break; |
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268 | } |
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269 | $path[] = $field->getPropertyName(); |
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270 | } |
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271 | |||
272 | if (empty($path)) { |
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273 | return null; |
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274 | } |
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275 | |||
276 | return implode('.', $path); |
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277 | } |
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278 | |||
279 | /** |
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280 | * Creates the basic root query for the provided entity definition and application context. |
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281 | * It considers the current context version. |
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282 | */ |
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283 | public function getBaseQuery(QueryBuilder $query, EntityDefinition $definition, Context $context): QueryBuilder |
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284 | { |
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285 | $table = $definition->getEntityName(); |
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286 | |||
287 | $query->from(self::escape($table)); |
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288 | |||
289 | $useVersionFallback // only applies for versioned entities |
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290 | = $definition->isVersionAware() |
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291 | // only add live fallback if the current version isn't the live version |
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292 | && $context->getVersionId() !== Defaults::LIVE_VERSION |
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293 | // sub entities have no live fallback |
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294 | && $definition->getParentDefinition() === null; |
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295 | |||
296 | if ($useVersionFallback) { |
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297 | $this->joinVersion($query, $definition, $definition->getEntityName(), $context); |
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298 | } elseif ($definition->isVersionAware()) { |
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299 | $versionIdField = array_filter( |
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300 | $definition->getPrimaryKeys()->getElements(), |
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301 | fn ($f) => $f instanceof VersionField || $f instanceof ReferenceVersionField |
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302 | ); |
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303 | |||
304 | if (!$versionIdField) { |
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305 | throw new \RuntimeException('Missing `VersionField` in `' . $definition->getClass() . '`'); |
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306 | } |
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307 | |||
308 | /** @var FkField $versionIdField */ |
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309 | $versionIdField = array_shift($versionIdField); |
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310 | |||
311 | $query->andWhere(self::escape($table) . '.' . self::escape($versionIdField->getStorageName()) . ' = :version'); |
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312 | $query->setParameter('version', Uuid::fromHexToBytes($context->getVersionId())); |
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313 | } |
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314 | |||
315 | return $query; |
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316 | } |
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317 | |||
318 | /** |
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319 | * Used for dynamic sql joins. In case that the given fieldName is unknown or event nested with multiple association |
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320 | * roots, the function can resolve each association part of the field name, even if one part of the fieldName contains a translation or event inherited data field. |
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321 | */ |
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322 | public function resolveAccessor( |
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323 | string $accessor, |
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324 | EntityDefinition $definition, |
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325 | string $root, |
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326 | QueryBuilder $query, |
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327 | Context $context, |
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328 | ?CriteriaPartInterface $criteriaPart = null |
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329 | ): void { |
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330 | $accessor = str_replace('extensions.', '', $accessor); |
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331 | |||
332 | $parts = explode('.', $accessor); |
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333 | |||
334 | if ($parts[0] === $root) { |
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335 | unset($parts[0]); |
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336 | } |
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337 | |||
338 | $alias = $root; |
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339 | |||
340 | $path = [$root]; |
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341 | |||
342 | $rootDefinition = $definition; |
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343 | |||
344 | foreach ($parts as $part) { |
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345 | $field = $definition->getFields()->get($part); |
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346 | |||
347 | if ($field === null) { |
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348 | return; |
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349 | } |
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350 | |||
351 | $resolver = $field->getResolver(); |
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352 | if ($resolver === null) { |
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353 | continue; |
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354 | } |
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355 | |||
356 | if ($field instanceof AssociationField) { |
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357 | $path[] = $field->getPropertyName(); |
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358 | } |
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359 | |||
360 | $currentPath = implode('.', $path); |
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361 | $resolverContext = new FieldResolverContext($currentPath, $alias, $field, $definition, $rootDefinition, $query, $context, $criteriaPart); |
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362 | |||
363 | $alias = $this->callResolver($resolverContext); |
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364 | |||
365 | if (!$field instanceof AssociationField) { |
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366 | return; |
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367 | } |
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368 | |||
369 | $definition = $field->getReferenceDefinition(); |
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370 | if ($field instanceof ManyToManyAssociationField) { |
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371 | $definition = $field->getToManyReferenceDefinition(); |
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372 | } |
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373 | |||
374 | if ($definition->isInheritanceAware() && $context->considerInheritance() && $parent = $definition->getField('parent')) { |
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375 | $resolverContext = new FieldResolverContext($currentPath, $alias, $parent, $definition, $rootDefinition, $query, $context, $criteriaPart); |
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376 | |||
377 | $this->callResolver($resolverContext); |
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378 | } |
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379 | } |
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380 | } |
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381 | |||
382 | public function resolveField(Field $field, EntityDefinition $definition, string $root, QueryBuilder $query, Context $context): void |
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383 | { |
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384 | $resolver = $field->getResolver(); |
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385 | |||
386 | if ($resolver === null) { |
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387 | return; |
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388 | } |
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389 | |||
390 | $resolver->join(new FieldResolverContext($root, $root, $field, $definition, $definition, $query, $context, null)); |
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391 | } |
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392 | |||
393 | /** |
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394 | * Adds the full translation select part to the provided sql query. |
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395 | * Considers the parent-child inheritance and provided context language inheritance. |
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396 | * The raw parameter allows to skip the parent-child inheritance. |
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397 | * |
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398 | * @param array<string, mixed> $partial |
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399 | */ |
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400 | public function addTranslationSelect(string $root, EntityDefinition $definition, QueryBuilder $query, Context $context, array $partial = []): void |
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401 | { |
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402 | $translationDefinition = $definition->getTranslationDefinition(); |
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403 | |||
404 | if (!$translationDefinition) { |
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405 | return; |
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406 | } |
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407 | |||
408 | $fields = $translationDefinition->getFields(); |
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409 | if (!empty($partial)) { |
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410 | $fields = $translationDefinition->getFields()->filter(fn (Field $field) => $field->is(PrimaryKey::class) |
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411 | || isset($partial[$field->getPropertyName()]) |
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412 | || $field instanceof FkField); |
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413 | } |
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414 | |||
415 | $inherited = $context->considerInheritance() && $definition->isInheritanceAware(); |
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416 | |||
417 | $chain = EntityDefinitionQueryHelper::buildTranslationChain($root, $context, $inherited); |
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418 | |||
419 | /** @var TranslatedField $field */ |
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420 | foreach ($fields as $field) { |
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421 | if (!$field instanceof StorageAware) { |
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422 | continue; |
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423 | } |
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424 | |||
425 | $selects = []; |
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426 | foreach ($chain as $select) { |
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427 | $vars = [ |
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428 | '#root#' => $select, |
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429 | '#field#' => $field->getPropertyName(), |
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430 | ]; |
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431 | |||
432 | $query->addSelect(str_replace( |
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433 | array_keys($vars), |
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434 | array_values($vars), |
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435 | EntityDefinitionQueryHelper::escape('#root#.#field#') |
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436 | )); |
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437 | |||
438 | $selects[] = str_replace( |
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439 | array_keys($vars), |
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440 | array_values($vars), |
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441 | self::escape('#root#.#field#') |
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442 | ); |
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443 | } |
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444 | |||
445 | // check if current field is a translated field of the origin definition |
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446 | $origin = $definition->getFields()->get($field->getPropertyName()); |
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447 | if (!$origin instanceof TranslatedField) { |
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448 | continue; |
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449 | } |
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450 | |||
451 | $selects[] = self::escape($root . '.translation.' . $field->getPropertyName()); |
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452 | |||
453 | // add selection for resolved parent-child and language inheritance |
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454 | $query->addSelect( |
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455 | sprintf('COALESCE(%s)', implode(',', $selects)) . ' as ' |
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456 | . self::escape($root . '.' . $field->getPropertyName()) |
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457 | ); |
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458 | } |
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459 | } |
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460 | |||
461 | public function joinVersion(QueryBuilder $query, EntityDefinition $definition, string $root, Context $context): void |
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462 | { |
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463 | $table = $definition->getEntityName(); |
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464 | $versionRoot = $root . '_version'; |
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465 | |||
466 | $query->andWhere( |
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467 | str_replace( |
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468 | ['#root#', '#table#', '#version#'], |
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469 | [self::escape($root), self::escape($table), self::escape($versionRoot)], |
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470 | '#root#.version_id = COALESCE( |
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471 | (SELECT DISTINCT version_id FROM #table# AS #version# WHERE #version#.`id` = #root#.`id` AND `version_id` = :version), |
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472 | :liveVersion |
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473 | )' |
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474 | ) |
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475 | ); |
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476 | |||
477 | $query->setParameter('liveVersion', Uuid::fromHexToBytes(Defaults::LIVE_VERSION)); |
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478 | $query->setParameter('version', Uuid::fromHexToBytes($context->getVersionId())); |
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479 | } |
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480 | |||
481 | public static function getTranslatedField(EntityDefinition $definition, TranslatedField $translatedField): Field |
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482 | { |
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483 | $translationDefinition = $definition->getTranslationDefinition(); |
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484 | |||
485 | if ($translationDefinition === null) { |
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486 | throw new \RuntimeException(sprintf('Entity %s has no translation definition', $definition->getEntityName())); |
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487 | } |
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488 | |||
489 | $field = $translationDefinition->getFields()->get($translatedField->getPropertyName()); |
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490 | |||
491 | if ($field === null || !$field instanceof StorageAware || !$field instanceof Field) { |
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492 | throw new \RuntimeException( |
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493 | sprintf( |
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494 | 'Missing translated storage aware property %s in %s', |
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495 | $translatedField->getPropertyName(), |
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496 | $translationDefinition->getEntityName() |
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497 | ) |
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498 | ); |
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499 | } |
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500 | |||
501 | return $field; |
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502 | } |
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503 | |||
504 | /** |
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505 | * @return list<string> |
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506 | */ |
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507 | public static function buildTranslationChain(string $root, Context $context, bool $includeParent): array |
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508 | { |
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509 | $chain = []; |
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510 | $count = \count($context->getLanguageIdChain()) - 1; |
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511 | |||
512 | for ($i = $count; $i >= 1; --$i) { |
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513 | $chain[] = $root . '.translation.fallback_' . $i; |
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514 | if ($includeParent) { |
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515 | $chain[] = $root . '.parent.translation.fallback_' . $i; |
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516 | } |
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517 | } |
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518 | |||
519 | $chain[] = $root . '.translation'; |
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520 | if ($includeParent) { |
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521 | $chain[] = $root . '.parent.translation'; |
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522 | } |
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523 | |||
524 | return $chain; |
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525 | } |
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526 | |||
527 | public function addIdCondition(Criteria $criteria, EntityDefinition $definition, QueryBuilder $query): void |
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528 | { |
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529 | $primaryKeys = $criteria->getIds(); |
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530 | |||
531 | $primaryKeys = array_values($primaryKeys); |
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532 | |||
533 | if (empty($primaryKeys)) { |
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534 | return; |
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535 | } |
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536 | |||
537 | if (!\is_array($primaryKeys[0]) || \count($primaryKeys[0]) === 1) { |
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538 | $primaryKeyField = $definition->getPrimaryKeys()->first(); |
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539 | if ($primaryKeyField instanceof IdField || $primaryKeyField instanceof FkField) { |
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540 | $primaryKeys = array_map(function ($id) { |
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541 | if (\is_array($id)) { |
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542 | /** @var string $shiftedId */ |
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543 | $shiftedId = array_shift($id); |
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544 | |||
545 | return Uuid::fromHexToBytes($shiftedId); |
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546 | } |
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547 | |||
548 | return Uuid::fromHexToBytes($id); |
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549 | }, $primaryKeys); |
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550 | } |
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551 | |||
552 | if (!$primaryKeyField instanceof StorageAware) { |
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553 | throw new \RuntimeException('Primary key fields has to be an instance of StorageAware'); |
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554 | } |
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555 | |||
556 | $query->andWhere(sprintf( |
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557 | '%s.%s IN (:ids)', |
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558 | EntityDefinitionQueryHelper::escape($definition->getEntityName()), |
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559 | EntityDefinitionQueryHelper::escape($primaryKeyField->getStorageName()) |
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560 | )); |
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561 | |||
562 | $query->setParameter('ids', $primaryKeys, ArrayParameterType::STRING); |
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563 | |||
564 | return; |
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565 | } |
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566 | |||
567 | $this->addIdConditionWithOr($criteria, $definition, $query); |
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568 | } |
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569 | |||
570 | private function callResolver(FieldResolverContext $context): string |
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571 | { |
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572 | $resolver = $context->getField()->getResolver(); |
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573 | |||
574 | if (!$resolver) { |
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575 | return $context->getAlias(); |
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576 | } |
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577 | |||
578 | return $resolver->join($context); |
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579 | } |
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580 | |||
581 | private function addIdConditionWithOr(Criteria $criteria, EntityDefinition $definition, QueryBuilder $query): void |
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582 | { |
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583 | $wheres = []; |
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584 | |||
585 | foreach ($criteria->getIds() as $primaryKey) { |
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586 | if (!\is_array($primaryKey)) { |
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587 | $primaryKey = ['id' => $primaryKey]; |
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588 | } |
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589 | |||
590 | $where = []; |
||
591 | |||
592 | foreach ($primaryKey as $propertyName => $value) { |
||
593 | $field = $definition->getFields()->get($propertyName); |
||
594 | |||
595 | if (!$field) { |
||
596 | throw new UnmappedFieldException($propertyName, $definition); |
||
597 | } |
||
598 | |||
599 | if (!$field instanceof StorageAware) { |
||
600 | throw new \RuntimeException('Only storage aware fields are supported in read condition'); |
||
601 | } |
||
602 | |||
603 | if ($field instanceof IdField || $field instanceof FkField) { |
||
604 | $value = Uuid::fromHexToBytes($value); |
||
605 | } |
||
606 | |||
607 | $key = 'pk' . Uuid::randomHex(); |
||
608 | |||
609 | $accessor = EntityDefinitionQueryHelper::escape($definition->getEntityName()) . '.' . EntityDefinitionQueryHelper::escape($field->getStorageName()); |
||
610 | |||
611 | $where[$accessor] = $accessor . ' = :' . $key; |
||
612 | |||
613 | $query->setParameter($key, $value); |
||
614 | } |
||
615 | |||
616 | $wheres[] = '(' . implode(' AND ', $where) . ')'; |
||
617 | } |
||
618 | |||
619 | $wheres = implode(' OR ', $wheres); |
||
620 | |||
621 | $query->andWhere($wheres); |
||
622 | } |
||
623 | |||
624 | /** |
||
625 | * @param list<string> $chain |
||
626 | */ |
||
627 | private function getTranslationFieldAccessor(Field $field, string $accessor, array $chain, Context $context): string |
||
653 | } |
||
654 | |||
655 | private function buildInheritedAccessor( |
||
656 | Field $field, |
||
657 | string $root, |
||
658 | EntityDefinition $definition, |
||
659 | Context $context, |
||
660 | string $original |
||
661 | ): string { |
||
662 | if ($field instanceof TranslatedField) { |
||
663 | $inheritedChain = self::buildTranslationChain($root, $context, $definition->isInheritanceAware() && $context->considerInheritance()); |
||
664 | |||
665 | $translatedField = self::getTranslatedField($definition, $field); |
||
666 | |||
667 | return $this->getTranslationFieldAccessor($translatedField, $original, $inheritedChain, $context); |
||
668 | } |
||
669 | |||
670 | $select = $this->buildFieldSelector($root, $field, $context, $original); |
||
671 | |||
672 | if (!$field->is(Inherited::class) || !$context->considerInheritance()) { |
||
673 | return $select; |
||
674 | } |
||
675 | |||
676 | $parentSelect = $this->buildFieldSelector($root . '.parent', $field, $context, $original); |
||
677 | |||
678 | return sprintf('IFNULL(%s, %s)', $select, $parentSelect); |
||
679 | } |
||
680 | |||
681 | private function buildFieldSelector(string $root, Field $field, Context $context, string $accessor): string |
||
695 | } |
||
696 | } |
||
697 |