Laravel-Backpack /
CRUD
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| Total Complexity | 64 |
| Total Lines | 376 |
| Duplicated Lines | 0 % |
| Changes | 1 | ||
| Bugs | 0 | Features | 0 |
Complex classes like FieldsProtectedMethods 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 FieldsProtectedMethods, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 8 | trait FieldsProtectedMethods |
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| 9 | { |
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| 10 | /** |
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| 11 | * If field has entity we want to get the relation type from it. |
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| 12 | * |
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| 13 | * @param array $field |
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| 14 | * @return array |
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| 15 | */ |
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| 16 | public function makeSureFieldHasRelationType($field) |
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| 17 | { |
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| 18 | $field['relation_type'] = $field['relation_type'] ?? $this->inferRelationTypeFromRelationship($field); |
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Bug
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by
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| 19 | |||
| 20 | return $field; |
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| 21 | } |
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| 22 | |||
| 23 | /** |
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| 24 | * If field has entity we want to make sure it also has a model for that relation. |
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| 25 | * |
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| 26 | * @param array $field |
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| 27 | * @return array |
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| 28 | */ |
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| 29 | public function makeSureFieldHasModel($field) |
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| 34 | } |
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| 35 | |||
| 36 | /** |
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| 37 | * Based on relation type we can guess if pivot is set. |
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| 38 | * |
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| 39 | * @param array $field |
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| 40 | * @return array |
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| 41 | */ |
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| 42 | public function makeSureFieldHasPivot($field) |
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| 43 | { |
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| 44 | $field['pivot'] = $field['pivot'] ?? $this->guessIfFieldHasPivotFromRelationType($field['relation_type']); |
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| 45 | |||
| 46 | return $field; |
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| 47 | } |
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| 48 | |||
| 49 | /** |
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| 50 | * Based on relation type we can try to guess if it is a multiple field. |
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| 51 | * |
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| 52 | * @param array $field |
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| 53 | * @return array |
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| 54 | */ |
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| 55 | public function makeSureFieldHasMultiple($field) |
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| 62 | } |
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| 63 | |||
| 64 | /** |
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| 65 | * In case field name is dot notation we want to convert it to a valid HTML array field name for validation purposes. |
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| 66 | * |
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| 67 | * @param array $field |
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| 68 | * @return array |
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| 69 | */ |
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| 70 | public function overwriteFieldNameFromDotNotationToArray($field) |
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| 71 | { |
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| 72 | if (strpos($field['name'], '.') !== false) { |
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| 73 | $entity_array = explode('.', $field['name']); |
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| 74 | $name_string = ''; |
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| 75 | |||
| 76 | foreach ($entity_array as $key => $array_entity) { |
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| 77 | $name_string .= ($key == 0) ? $array_entity : '['.$array_entity.']'; |
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| 78 | } |
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| 79 | |||
| 80 | $field['name'] = $name_string; |
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| 81 | } |
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| 82 | |||
| 83 | return $field; |
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| 84 | } |
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| 85 | |||
| 86 | /** |
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| 87 | * Run the field name overwrite in multiple fields. |
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| 88 | * |
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| 89 | * @param array $fields |
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| 90 | * @return array |
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| 91 | */ |
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| 92 | public function overwriteFieldNamesFromDotNotationToArray($fields) |
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| 99 | } |
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| 100 | |||
| 101 | /** |
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| 102 | * If the field_definition_array array is a string, it means the programmer was lazy |
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| 103 | * and has only passed the name of the field. Turn that into a proper array. |
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| 104 | * |
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| 105 | * @param string|array $field The field definition array (or string). |
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| 106 | * @return array |
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| 107 | */ |
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| 108 | protected function makeSureFieldHasName($field) |
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| 109 | { |
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| 110 | if (empty($field)) { |
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| 111 | abort(500, 'Field name can\'t be empty'); |
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| 112 | } |
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| 113 | |||
| 114 | if (is_string($field)) { |
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| 115 | return ['name' => $this->trimWhitespacesFromName($field)]; |
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| 116 | } |
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| 117 | |||
| 118 | if (is_array($field) && ! isset($field['name'])) { |
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| 119 | abort(500, 'All fields must have their name defined'); |
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| 120 | } |
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| 121 | |||
| 122 | $field['name'] = $this->trimWhitespacesFromName($field['name']); |
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| 123 | |||
| 124 | return $field; |
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| 125 | } |
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| 126 | |||
| 127 | /** |
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| 128 | * If entity is not present, but it looks like the field SHOULD be a relationship field, |
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| 129 | * try to determine the method on the model that defines the relationship, and pass it to |
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| 130 | * the field as 'entity'. |
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| 131 | * |
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| 132 | * @param array $field |
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| 133 | * @return array |
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| 134 | */ |
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| 135 | protected function makeSureFieldHasEntity($field) |
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| 136 | { |
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| 137 | $model = isset($field['baseModel']) ? (new $field['baseModel']) : $this->model; |
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| 138 | |||
| 139 | if (isset($field['entity'])) { |
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| 140 | return $field; |
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| 141 | } |
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| 142 | |||
| 143 | // by default, entity is false if we cannot link it with guessing functions to a relation |
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| 144 | $field['entity'] = false; |
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| 145 | |||
| 146 | //if the name is dot notation we are sure it's a relationship |
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| 147 | if (strpos($field['name'], '.') !== false) { |
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| 148 | $possibleMethodName = Str::of($field['name'])->before('.'); |
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| 149 | // check model method for possibility of being a relationship |
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| 150 | $field['entity'] = $this->modelMethodIsRelationship($model, $possibleMethodName) ? $field['name'] : false; |
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| 151 | |||
| 152 | return $field; |
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| 153 | } |
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| 154 | |||
| 155 | // if there's a method on the model with this name |
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| 156 | if (method_exists($model, $field['name'])) { |
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| 157 | // check model method for possibility of being a relationship |
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| 158 | $field['entity'] = $this->modelMethodIsRelationship($model, $field['name']); |
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| 159 | |||
| 160 | return $field; |
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| 161 | } |
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| 162 | |||
| 163 | // if the name ends with _id and that method exists, |
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| 164 | // we can probably use it as an entity |
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| 165 | if (Str::endsWith($field['name'], '_id')) { |
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| 166 | $possibleMethodName = Str::replaceLast('_id', '', $field['name']); |
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| 167 | |||
| 168 | if (method_exists($model, $possibleMethodName)) { |
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| 169 | // check model method for possibility of being a relationship |
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| 170 | $field['entity'] = $this->modelMethodIsRelationship($model, $possibleMethodName); |
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| 171 | |||
| 172 | return $field; |
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| 173 | } |
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| 174 | } |
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| 175 | |||
| 176 | return $field; |
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| 177 | } |
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| 178 | |||
| 179 | protected function makeSureFieldHasAttribute($field) |
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| 180 | { |
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| 181 | if (isset($field['entity']) && $field['entity']) { |
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| 182 | // if the user setup the attribute in relation string, we are not going to infer that attribute from model |
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| 183 | // instead we get the defined attribute by the user. |
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| 184 | if ($this->isAttributeInRelationString($field)) { |
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| 185 | $field['attribute'] = $field['attribute'] ?? Str::afterLast($field['entity'], '.'); |
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| 186 | |||
| 187 | return $field; |
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| 188 | } |
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| 189 | } |
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| 190 | // if there's a model defined, but no attribute |
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| 191 | // guess an attribute using the identifiableAttribute functionality in CrudTrait |
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| 192 | if (isset($field['model']) && ! isset($field['attribute']) && method_exists($field['model'], 'identifiableAttribute')) { |
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| 193 | $field['attribute'] = (new $field['model']())->identifiableAttribute(); |
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| 194 | } |
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| 195 | |||
| 196 | return $field; |
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| 197 | } |
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| 198 | |||
| 199 | /** |
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| 200 | * Set the label of a field, if it's missing, by capitalizing the name and replacing |
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| 201 | * underscores with spaces. |
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| 202 | * |
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| 203 | * @param array $field Field definition array. |
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| 204 | * @return array Field definition array that contains label too. |
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| 205 | */ |
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| 206 | protected function makeSureFieldHasLabel($field) |
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| 207 | { |
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| 208 | if (! isset($field['label'])) { |
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| 209 | $name = str_replace(',', ' ', $field['name']); |
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| 210 | $name = str_replace('_id', '', $name); |
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| 211 | $field['label'] = mb_ucfirst(str_replace('_', ' ', $name)); |
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| 212 | } |
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| 213 | |||
| 214 | return $field; |
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| 215 | } |
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| 216 | |||
| 217 | /** |
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| 218 | * Set the type of a field, if it's missing, by inferring it from the |
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| 219 | * db column type. |
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| 220 | * |
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| 221 | * @param array $field Field definition array. |
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| 222 | * @return array Field definition array that contains type too. |
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| 223 | */ |
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| 224 | protected function makeSureFieldHasType($field) |
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| 225 | { |
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| 226 | if (! isset($field['type'])) { |
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| 227 | $field['type'] = isset($field['relation_type']) ? $this->inferFieldTypeFromRelationType($field['relation_type']) : $this->inferFieldTypeFromDbColumnType($field['name']); |
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| 228 | } |
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| 229 | |||
| 230 | return $field; |
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| 231 | } |
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| 232 | |||
| 233 | protected function inferFieldTypeFromRelationType($relationType) |
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| 234 | { |
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| 235 | if (backpack_pro()) { |
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| 236 | return 'relationship'; |
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| 237 | } |
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| 238 | |||
| 239 | switch ($relationType) { |
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| 240 | case 'BelongsTo': |
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| 241 | return 'select'; |
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| 242 | case 'BelongsToMany': |
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| 243 | case 'MorphToMany': |
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| 244 | return 'select_multiple'; |
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| 245 | default: |
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| 246 | return 'text'; |
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| 247 | } |
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| 248 | } |
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| 249 | |||
| 250 | /** |
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| 251 | * If a field has subfields, go through each subfield and guess |
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| 252 | * its attribute, filling in whatever is missing. |
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| 253 | * |
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| 254 | * @param array $field Field definition array. |
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| 255 | * @return array The improved definition of that field (a better 'subfields' array) |
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| 256 | */ |
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| 257 | protected function makeSureSubfieldsHaveNecessaryAttributes($field) |
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| 258 | { |
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| 259 | if (! isset($field['subfields'])) { |
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| 260 | return $field; |
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| 261 | } |
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| 262 | |||
| 263 | foreach ($field['subfields'] as $key => $subfield) { |
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| 264 | if (empty($subfield) || ! isset($subfield['name'])) { |
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| 265 | abort(500, 'Subfield name can\'t be empty'); |
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| 266 | } |
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| 267 | |||
| 268 | // make sure the field definition is an array |
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| 269 | if (is_string($subfield)) { |
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| 270 | $subfield = ['name' => $subfield]; |
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| 271 | } |
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| 272 | |||
| 273 | $subfield['parentFieldName'] = $field['name']; |
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| 274 | |||
| 275 | if (! isset($field['model'])) { |
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| 276 | // we're inside a simple 'repeatable' with no model/relationship, so |
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| 277 | // we assume all subfields are supposed to be text fields |
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| 278 | $subfield['type'] = $subfield['type'] ?? 'text'; |
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| 279 | $subfield['entity'] = $subfield['entity'] ?? false; |
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| 280 | } else { |
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| 281 | // we should use 'model' as the `baseModel` for all subfields, so that when |
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| 282 | // we look if `category()` relationship exists on the model, we look on |
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| 283 | // the model this repeatable represents, not the main CRUD model |
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| 284 | $currentEntity = $subfield['baseEntity'] ?? $field['entity']; |
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| 285 | $subfield['baseModel'] = $subfield['baseModel'] ?? $field['model']; |
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| 286 | $subfield['baseEntity'] = isset($field['baseEntity']) ? $field['baseEntity'].'.'.$currentEntity : $currentEntity; |
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| 287 | $subfield['baseFieldName'] = is_array($subfield['name']) ? implode(',', $subfield['name']) : $subfield['name']; |
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| 288 | $subfield['baseFieldName'] = Str::afterLast($subfield['baseFieldName'], '.'); |
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| 289 | } |
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| 290 | |||
| 291 | $field['subfields'][$key] = $this->makeSureFieldHasNecessaryAttributes($subfield); |
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| 292 | } |
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| 293 | |||
| 294 | // when field has any of `many` relations we need to append either the pivot selector for the `ToMany` or the |
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| 295 | // local key for the `many` relations. Other relations don't need any special treatment when used as subfields. |
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| 296 | if (isset($field['relation_type'])) { |
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| 297 | switch ($field['relation_type']) { |
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| 298 | case 'MorphToMany': |
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| 299 | case 'BelongsToMany': |
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| 300 | $pivotSelectorField = static::getPivotFieldStructure($field); |
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| 301 | |||
| 302 | $pivot = Arr::where($field['subfields'], function ($item) use ($pivotSelectorField) { |
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| 303 | return $item['name'] === $pivotSelectorField['name']; |
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| 304 | }); |
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| 305 | |||
| 306 | if (! empty($pivot)) { |
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| 307 | break; |
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| 308 | } |
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| 309 | |||
| 310 | $this->setupFieldValidation($pivotSelectorField, $field['name']); |
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| 311 | $field['subfields'] = Arr::prepend($field['subfields'], $pivotSelectorField); |
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| 312 | |||
| 313 | break; |
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| 314 | case 'MorphMany': |
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| 315 | case 'HasMany': |
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| 316 | $entity = isset($field['baseEntity']) ? $field['baseEntity'].'.'.$field['entity'] : $field['entity']; |
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| 317 | $relationInstance = $this->getRelationInstance(['entity' => $entity]); |
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| 318 | |||
| 319 | $localKeyField = Arr::where($field['subfields'], function ($item) use ($relationInstance) { |
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| 320 | return $item['name'] === $relationInstance->getRelated()->getKeyName(); |
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| 321 | }); |
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| 322 | |||
| 323 | if (! empty($localKeyField)) { |
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| 324 | break; |
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| 325 | } |
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| 326 | |||
| 327 | $field['subfields'] = Arr::prepend($field['subfields'], [ |
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| 328 | 'name' => $relationInstance->getRelated()->getKeyName(), |
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| 329 | 'type' => 'hidden', |
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| 330 | ]); |
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| 331 | break; |
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| 332 | } |
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| 333 | } |
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| 334 | |||
| 335 | return $field; |
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| 336 | } |
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| 337 | |||
| 338 | /** |
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| 339 | * Enable the tabs functionality, if a field has a tab defined. |
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| 340 | * |
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| 341 | * @param array $field Field definition array. |
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| 342 | * @return void |
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| 343 | */ |
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| 344 | protected function enableTabsIfFieldUsesThem($field) |
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| 345 | { |
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| 346 | // if a tab was mentioned, we should enable it |
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| 347 | if (isset($field['tab'])) { |
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| 348 | if (! $this->tabsEnabled()) { |
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| 349 | $this->enableTabs(); |
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| 350 | } |
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| 351 | } |
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| 352 | } |
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| 353 | |||
| 354 | /** |
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| 355 | * Add a field to the current operation, using the Settings API. |
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| 356 | * |
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| 357 | * @param array $field Field definition array. |
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| 358 | */ |
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| 359 | protected function addFieldToOperationSettings($field) |
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| 360 | { |
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| 361 | $allFields = $this->getOperationSetting('fields'); |
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| 362 | $allFields = array_merge($this->getCleanStateFields(), [$field['name'] => $field]); |
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| 363 | |||
| 364 | $this->setOperationSetting('fields', $allFields); |
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| 365 | } |
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| 366 | |||
| 367 | /** |
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| 368 | * Get the string that should be used as an array key, for the attributive array |
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| 369 | * where the fields are stored for the current operation. |
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| 370 | * |
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| 371 | * @deprecated v6 |
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| 372 | */ |
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| 373 | protected function getFieldKey(array $field): string |
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| 376 | } |
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| 377 | |||
| 378 | /** |
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| 379 | * Makes sure that all name parts don't have white spaces. |
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| 380 | */ |
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| 381 | private function trimWhitespacesFromName(string $name) : string |
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| 384 | } |
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| 385 | } |
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| 386 |
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