Laravel-Backpack /
CRUD
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| Total Complexity | 46 |
| Total Lines | 277 |
| Duplicated Lines | 0 % |
| Changes | 6 | ||
| Bugs | 0 | Features | 0 |
Complex classes like Create 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 Create, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 9 | trait Create |
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| 10 | { |
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| 11 | /* |
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| 12 | |-------------------------------------------------------------------------- |
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| 13 | | CREATE |
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| 14 | |-------------------------------------------------------------------------- |
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| 15 | */ |
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| 16 | |||
| 17 | /** |
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| 18 | * Insert a row in the database. |
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| 19 | * |
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| 20 | * @param array $data All input values to be inserted. |
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| 21 | * |
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| 22 | * @return \Illuminate\Database\Eloquent\Model |
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| 23 | */ |
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| 24 | public function create($data) |
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| 43 | } |
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| 44 | |||
| 45 | /** |
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| 46 | * Get all fields needed for the ADD NEW ENTRY form. |
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| 47 | * |
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| 48 | * @return array The fields with attributes and fake attributes. |
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| 49 | */ |
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| 50 | public function getCreateFields() |
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| 51 | { |
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| 52 | return $this->fields(); |
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| 53 | } |
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| 54 | |||
| 55 | /** |
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| 56 | * Get all fields with relation set (model key set on field). |
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| 57 | * |
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| 58 | * @return array The fields with model key set. |
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| 59 | */ |
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| 60 | public function getRelationFields() |
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| 80 | } |
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| 81 | |||
| 82 | /** |
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| 83 | * Get all fields with n-n relation set (pivot table is true). |
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| 84 | * |
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| 85 | * @return array The fields with n-n relationships. |
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| 86 | */ |
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| 87 | public function getRelationFieldsWithPivot() |
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| 88 | { |
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| 89 | $all_relation_fields = $this->getRelationFields(); |
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| 90 | |||
| 91 | return Arr::where($all_relation_fields, function ($value, $key) { |
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| 92 | return isset($value['pivot']) && $value['pivot']; |
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| 93 | }); |
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| 94 | } |
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| 95 | |||
| 96 | /** |
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| 97 | * Create the relations for the current model. |
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| 98 | * |
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| 99 | * @param \Illuminate\Database\Eloquent\Model $item The current CRUD model. |
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| 100 | * @param array $data The form data. |
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| 101 | */ |
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| 102 | public function createRelations($item, $data) |
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| 106 | } |
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| 107 | |||
| 108 | /** |
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| 109 | * Sync the declared many-to-many associations through the pivot field. |
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| 110 | * |
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| 111 | * @param \Illuminate\Database\Eloquent\Model $model The current CRUD model. |
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| 112 | * @param array $data The form data. |
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| 113 | */ |
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| 114 | public function syncPivot($model, $data) |
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| 144 | } |
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| 145 | } |
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| 146 | } |
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| 147 | |||
| 148 | /** |
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| 149 | * Create any existing one to one relations and subsquent relations for the item. |
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| 150 | * |
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| 151 | * @param \Illuminate\Database\Eloquent\Model $item The current CRUD model. |
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| 152 | * @param array $data The form data. |
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| 153 | */ |
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| 154 | private function createOneToOneRelations($item, $data) |
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| 158 | } |
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| 159 | |||
| 160 | /** |
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| 161 | * Create any existing one to one relations and subsquent relations from form data. |
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| 162 | * |
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| 163 | * @param \Illuminate\Database\Eloquent\Model $item The current CRUD model. |
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| 164 | * @param array $formattedData The form data. |
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| 165 | * |
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| 166 | * @return bool|null |
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| 167 | */ |
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| 168 | private function createRelationsForItem($item, $formattedData) |
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| 201 | } |
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| 202 | } |
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| 203 | } |
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| 204 | |||
| 205 | private function associateHasOneBelongsTo($belongsToRelations, $modelValues, $modelInstance) |
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| 206 | { |
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| 207 | foreach ($belongsToRelations as $methodName => $values) { |
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| 208 | $relation = $modelInstance->{$methodName}(); |
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| 209 | $modelValues[$relation->getForeignKeyName()] = $values['values'][$methodName]; |
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| 210 | } |
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| 211 | |||
| 212 | return $modelValues; |
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| 213 | } |
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| 214 | |||
| 215 | /** |
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| 216 | * Get a relation data array from the form data. |
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| 217 | * For each relation defined in the fields through the entity attribute, set the model, the parent model and the |
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| 218 | * attribute values. |
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| 219 | * |
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| 220 | * We traverse this relation array later to create the relations, for example: |
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| 221 | * |
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| 222 | * Current model HasOne Address, this Address (line_1, country_id) BelongsTo Country through country_id in Address Model. |
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| 223 | * |
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| 224 | * So when editing current model crud user have two fields address.line_1 and address.country (we infer country_id from relation) |
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| 225 | * |
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| 226 | * Those will be nested accordingly in this relation array, so address relation will have a nested relation with country. |
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| 227 | * |
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| 228 | * |
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| 229 | * @param array $data The form data. |
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| 230 | * |
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| 231 | * @return array The formatted relation data. |
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| 232 | */ |
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| 233 | private function getRelationDataFromFormData($data) |
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| 234 | { |
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| 235 | // exclude the already attached belongs to relations but include nested belongs to. |
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| 236 | $relation_fields = Arr::where($this->getRelationFields(), function ($field, $key) { |
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| 237 | return $field['relation_type'] !== 'BelongsTo' || $this->isNestedRelation($field); |
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| 238 | }); |
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| 239 | |||
| 240 | $relationData = []; |
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| 241 | |||
| 242 | foreach ($relation_fields as $relation_field) { |
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| 243 | $attributeKey = $this->parseRelationFieldNamesFromHtml([$relation_field])[0]['name']; |
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| 244 | if (isset($relation_field['pivot']) && $relation_field['pivot'] !== true) { |
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| 245 | $key = implode('.relations.', explode('.', $this->getOnlyRelationEntity($relation_field))); |
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| 246 | $fieldData = Arr::get($relationData, 'relations.'.$key, []); |
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| 247 | if (! array_key_exists('model', $fieldData)) { |
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| 248 | $fieldData['model'] = $relation_field['model']; |
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| 249 | } |
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| 250 | if (! array_key_exists('parent', $fieldData)) { |
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| 251 | $fieldData['parent'] = $this->getRelationModel($attributeKey, -1); |
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| 252 | } |
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| 253 | |||
| 254 | if (! array_key_exists('relation_type', $fieldData)) { |
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| 255 | $fieldData['relation_type'] = $relation_field['relation_type']; |
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| 256 | } |
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| 257 | $relatedAttribute = Arr::last(explode('.', $attributeKey)); |
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| 258 | $fieldData['values'][$relatedAttribute] = Arr::get($data, $attributeKey); |
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| 259 | |||
| 260 | Arr::set($relationData, 'relations.'.$key, $fieldData); |
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| 261 | } |
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| 262 | } |
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| 263 | |||
| 264 | return $relationData; |
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| 265 | } |
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| 266 | |||
| 267 | public function getOnlyRelationEntity($relation_field) |
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| 286 | } |
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| 287 | } |
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| 288 |
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