Laravel-Backpack /
CRUD
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| Total Complexity | 46 |
| Total Lines | 278 |
| Duplicated Lines | 0 % |
| Changes | 2 | ||
| 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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| 10 | trait Create |
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| 11 | { |
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| 12 | /* |
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| 13 | |-------------------------------------------------------------------------- |
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| 14 | | CREATE |
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| 15 | |-------------------------------------------------------------------------- |
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| 16 | */ |
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| 17 | |||
| 18 | /** |
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| 19 | * Insert a row in the database. |
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| 20 | * |
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| 21 | * @param array $data All input values to be inserted. |
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| 22 | * |
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| 23 | * @return \Illuminate\Database\Eloquent\Model |
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| 24 | */ |
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| 25 | public function create($data) |
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| 26 | { |
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| 27 | $data = $this->decodeJsonCastedAttributes($data); |
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| 28 | $data = $this->compactFakeFields($data); |
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| 29 | |||
| 30 | // omit the n-n relationships when updating the eloquent item |
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| 31 | $nn_relationships = Arr::pluck($this->getRelationFieldsWithPivot(), 'name'); |
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| 32 | $item = $this->model->create(Arr::except($data, $nn_relationships)); |
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| 33 | |||
| 34 | // if there are any relationships available, also sync those |
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| 35 | $this->createRelations($item, $data); |
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| 36 | |||
| 37 | return $item; |
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| 38 | } |
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| 39 | |||
| 40 | /** |
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| 41 | * Get all fields needed for the ADD NEW ENTRY form. |
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| 42 | * |
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| 43 | * @return array The fields with attributes and fake attributes. |
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| 44 | */ |
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| 45 | public function getCreateFields() |
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| 46 | { |
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| 47 | return $this->fields(); |
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| 48 | } |
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| 49 | |||
| 50 | /** |
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| 51 | * Get all fields with relation set (model key set on field). |
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| 52 | * |
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| 53 | * @return array The fields with model key set. |
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| 54 | */ |
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| 55 | public function getRelationFields() |
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| 56 | { |
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| 57 | $fields = $this->fields(); |
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| 58 | $relationFields = []; |
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| 59 | |||
| 60 | foreach ($fields as $field) { |
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| 61 | if (isset($field['model']) && $field['model'] !== false) { |
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| 62 | array_push($relationFields, $field); |
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| 63 | } |
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| 64 | |||
| 65 | if (isset($field['subfields']) && |
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| 66 | is_array($field['subfields']) && |
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| 67 | count($field['subfields'])) { |
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| 68 | foreach ($field['subfields'] as $subfield) { |
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| 69 | array_push($relationFields, $subfield); |
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| 70 | } |
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| 71 | } |
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| 72 | } |
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| 73 | |||
| 74 | return $relationFields; |
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| 75 | } |
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| 76 | |||
| 77 | /** |
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| 78 | * Get all fields with n-n relation set (pivot table is true). |
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| 79 | * |
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| 80 | * @return array The fields with n-n relationships. |
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| 81 | */ |
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| 82 | public function getRelationFieldsWithPivot() |
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| 83 | { |
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| 84 | $all_relation_fields = $this->getRelationFields(); |
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| 85 | |||
| 86 | return Arr::where($all_relation_fields, function ($value, $key) { |
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| 87 | return isset($value['pivot']) && $value['pivot']; |
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| 88 | }); |
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| 89 | } |
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| 90 | |||
| 91 | /** |
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| 92 | * Create the relations for the current model. |
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| 93 | * |
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| 94 | * @param \Illuminate\Database\Eloquent\Model $item The current CRUD model. |
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| 95 | * @param array $data The form data. |
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| 96 | */ |
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| 97 | public function createRelations($item, $data) |
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| 101 | } |
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| 102 | |||
| 103 | /** |
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| 104 | * Sync the declared many-to-many associations through the pivot field. |
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| 105 | * |
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| 106 | * @param \Illuminate\Database\Eloquent\Model $model The current CRUD model. |
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| 107 | * @param array $data The form data. |
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| 108 | */ |
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| 109 | public function syncPivot($model, $data) |
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| 140 | } |
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| 141 | } |
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| 142 | } |
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| 143 | |||
| 144 | /** |
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| 145 | * Create any existing one to one relations for the current model from the form data. |
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| 146 | * |
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| 147 | * @param \Illuminate\Database\Eloquent\Model $item The current CRUD model. |
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| 148 | * @param array $data The form data. |
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| 149 | */ |
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| 150 | private function createOneToOneRelations($item, $data) |
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| 154 | } |
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| 155 | |||
| 156 | /** |
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| 157 | * Create any existing one to one or one to many relations for the current model from the relation data. |
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| 158 | * |
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| 159 | * @param \Illuminate\Database\Eloquent\Model $item The current CRUD model. |
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| 160 | * @param array $formattedData The form data. |
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| 161 | * |
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| 162 | * @return bool|null |
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| 163 | */ |
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| 164 | private function createRelationsForItem($item, $formattedData) |
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| 221 | } |
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| 222 | } |
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| 223 | } |
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| 224 | |||
| 225 | /** |
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| 226 | * Get a relation data array from the form data. |
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| 227 | * For each relation defined in the fields through the entity attribute, set the model, the parent model and the |
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| 228 | * attribute values. |
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| 229 | * |
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| 230 | * We traverse this relation array later to create the relations, for example: |
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| 231 | * |
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| 232 | * Current model HasOne Address, this Address (line_1, country_id) BelongsTo Country through country_id in Address Model. |
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| 233 | * |
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| 234 | * 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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| 235 | * |
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| 236 | * Those will be nested accordingly in this relation array, so address relation will have a nested relation with country. |
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| 237 | * |
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| 238 | * |
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| 239 | * @param array $data The form data. |
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| 240 | * |
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| 241 | * @return array The formatted relation data. |
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| 242 | */ |
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| 243 | private function getRelationDataFromFormData($data) |
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| 244 | { |
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| 245 | $relation_fields = $this->getRelationFields(); |
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| 246 | $relationData = []; |
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| 247 | foreach ($relation_fields as $relation_field) { |
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| 248 | $attributeKey = $this->parseRelationFieldNamesFromHtml([$relation_field])[0]['name']; |
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| 249 | |||
| 250 | |||
| 251 | if (isset($relation_field['pivot']) && $relation_field['pivot'] !== true) { |
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| 252 | $key = implode('.relations.', explode('.', $this->getOnlyRelationEntity($relation_field))); |
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| 253 | |||
| 254 | $fieldData = Arr::get($relationData, 'relations.'.$key, []); |
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| 255 | |||
| 256 | $fieldData['model'] = $relation_field['model']; |
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| 257 | |||
| 258 | $fieldData['parent'] = $this->getRelationModel($attributeKey, -1); |
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| 259 | |||
| 260 | $relatedAttribute = Arr::last(explode('.', $attributeKey)); |
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| 261 | $fieldData['values'][$relatedAttribute] = Arr::get($data, $attributeKey); |
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| 262 | |||
| 263 | Arr::set($relationData, 'relations.'.$key, $fieldData); |
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| 264 | } |
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| 265 | } |
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| 266 | return $relationData; |
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| 267 | } |
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| 268 | |||
| 269 | public function getOnlyRelationEntity($relation_field) |
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| 288 | } |
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| 289 | } |
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| 290 |
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