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<?php |
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namespace Backpack\CRUD\app\Library\CrudPanel\Traits; |
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use Illuminate\Support\Arr; |
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use Illuminate\Support\Str; |
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trait FieldsProtectedMethods |
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{ |
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/** |
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* If field has entity we want to get the relation type from it. |
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* |
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* @param array $field |
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* @return array |
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*/ |
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public function makeSureFieldHasRelationType($field) |
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{ |
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$field['relation_type'] = $field['relation_type'] ?? $this->inferRelationTypeFromRelationship($field); |
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return $field; |
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} |
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/** |
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* If field has entity we want to make sure it also has a model for that relation. |
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* |
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* @param array $field |
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* @return array |
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*/ |
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public function makeSureFieldHasModel($field) |
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{ |
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$field['model'] = $field['model'] ?? $this->inferFieldModelFromRelationship($field); |
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return $field; |
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} |
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/** |
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* Based on relation type we can guess if pivot is set. |
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* |
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* @param array $field |
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* @return array |
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*/ |
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public function makeSureFieldHasPivot($field) |
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{ |
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$field['pivot'] = $field['pivot'] ?? $this->guessIfFieldHasPivotFromRelationType($field['relation_type']); |
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return $field; |
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} |
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/** |
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* Based on relation type we can try to guess if it is a multiple field. |
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* |
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* @param array $field |
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* @return array |
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*/ |
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public function makeSureFieldHasMultiple($field) |
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{ |
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if (isset($field['relation_type'])) { |
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$field['multiple'] = $field['multiple'] ?? $this->guessIfFieldHasMultipleFromRelationType($field['relation_type']); |
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} |
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return $field; |
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} |
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/** |
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* 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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* |
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* @param array $field |
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* @return array |
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*/ |
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public function overwriteFieldNameFromDotNotationToArray($field) |
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{ |
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if (! is_array($field['name']) && strpos($field['name'], '.') !== false) { |
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$entity_array = explode('.', $field['name']); |
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$name_string = ''; |
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foreach ($entity_array as $key => $array_entity) { |
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$name_string .= ($key == 0) ? $array_entity : '['.$array_entity.']'; |
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} |
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$field['name'] = $name_string; |
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} |
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return $field; |
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} |
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/** |
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* Run the field name overwrite in multiple fields. |
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* |
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* @param array $fields |
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* @return array |
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*/ |
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public function overwriteFieldNamesFromDotNotationToArray($fields) |
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{ |
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foreach ($fields as $key => $field) { |
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$fields[$key] = $this->overwriteFieldNameFromDotNotationToArray($field); |
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} |
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return $fields; |
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} |
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/** |
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* If the field_definition_array array is a string, it means the programmer was lazy |
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* and has only passed the name of the field. Turn that into a proper array. |
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* |
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* @param string|array $field The field definition array (or string). |
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* @return array |
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*/ |
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protected function makeSureFieldHasName($field) |
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{ |
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if (is_string($field)) { |
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return ['name' => $field]; |
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} |
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if (is_array($field) && ! isset($field['name'])) { |
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abort(500, 'All fields must have their name defined'); |
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} |
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return $field; |
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} |
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/** |
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* If entity is not present, but it looks like the field SHOULD be a relationship field, |
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* try to determine the method on the model that defines the relationship, and pass it to |
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* the field as 'entity'. |
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* |
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* @param array $field |
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* @return array |
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*/ |
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protected function makeSureFieldHasEntity($field) |
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{ |
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$model = isset($field['baseModel']) ? app($field['baseModel']) : $this->model; |
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if (isset($field['entity'])) { |
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return $field; |
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} |
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// if the name is an array it's definitely not a relationship |
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if (is_array($field['name'])) { |
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return $field; |
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} |
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//if the name is dot notation we are sure it's a relationship |
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if (strpos($field['name'], '.') !== false) { |
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$possibleMethodName = Str::of($field['name'])->before('.'); |
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// if it has parameters it's not a relation method. |
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$field['entity'] = $this->modelMethodHasParameters($model, $possibleMethodName) ? false : $field['name']; |
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return $field; |
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} |
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// if there's a method on the model with this name |
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if (method_exists($model, $field['name'])) { |
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// if it has parameters it's not a relation method. |
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$field['entity'] = $this->modelMethodHasParameters($model, $field['name']) ? false : $field['name']; |
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return $field; |
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} |
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// if the name ends with _id and that method exists, |
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// we can probably use it as an entity |
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if (Str::endsWith($field['name'], '_id')) { |
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$possibleMethodName = Str::replaceLast('_id', '', $field['name']); |
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if (method_exists($model, $possibleMethodName)) { |
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// if it has parameters it's not a relation method. |
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$field['entity'] = $this->modelMethodHasParameters($model, $possibleMethodName) ? false : $possibleMethodName; |
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return $field; |
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} |
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} |
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return $field; |
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} |
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protected function makeSureFieldHasAttribute($field) |
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{ |
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// if there's a model defined, but no attribute |
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// guess an attribute using the identifiableAttribute functionality in CrudTrait |
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if (isset($field['model']) && ! isset($field['attribute']) && method_exists($field['model'], 'identifiableAttribute')) { |
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$field['attribute'] = call_user_func([(new $field['model']()), 'identifiableAttribute']); |
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} |
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return $field; |
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} |
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/** |
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* Set the label of a field, if it's missing, by capitalizing the name and replacing |
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* underscores with spaces. |
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* |
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* @param array $field Field definition array. |
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* @return array Field definition array that contains label too. |
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*/ |
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protected function makeSureFieldHasLabel($field) |
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{ |
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if (! isset($field['label'])) { |
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$name = is_array($field['name']) ? $field['name'][0] : $field['name']; |
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$name = str_replace('_id', '', $name); |
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$field['label'] = mb_ucfirst(str_replace('_', ' ', $name)); |
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} |
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return $field; |
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} |
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/** |
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* Set the type of a field, if it's missing, by inferring it from the |
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* db column type. |
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* |
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* @param array $field Field definition array. |
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* @return array Field definition array that contains type too. |
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*/ |
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protected function makeSureFieldHasType($field) |
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{ |
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if (! isset($field['type'])) { |
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$field['type'] = isset($field['relation_type']) ? $this->inferFieldTypeFromRelationType($field['relation_type']) : $this->inferFieldTypeFromDbColumnType($field['name']); |
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} |
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return $field; |
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} |
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protected function inferFieldTypeFromRelationType($relationType) |
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{ |
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if (backpack_pro()) { |
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return 'relationship'; |
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} |
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switch ($relationType) { |
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case 'BelongsTo': |
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return 'select'; |
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break; |
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case 'BelongsToMany': |
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case 'MorphToMany': |
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return 'select_multiple'; |
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default: |
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return 'text'; |
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break; |
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} |
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} |
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241
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/** |
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* If a field has subfields, go through each subfield and guess |
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* its attribute, filling in whatever is missing. |
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* |
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* @param array $field Field definition array. |
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* @return array The improved definition of that field (a better 'subfields' array) |
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*/ |
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protected function makeSureSubfieldsHaveNecessaryAttributes($field) |
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{ |
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if (! isset($field['subfields'])) { |
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return $field; |
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} |
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foreach ($field['subfields'] as $key => $subfield) { |
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// make sure the field definition is an array |
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if (is_string($subfield)) { |
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$subfield = ['name' => $subfield]; |
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} |
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if (! isset($field['model'])) { |
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// we're inside a simple 'repeatable' with no model/relationship, so |
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// we assume all subfields are supposed to be text fields |
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$subfield['type'] = $subfield['type'] ?? 'text'; |
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$subfield['entity'] = $subfield['entity'] ?? false; |
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} else { |
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// we should use 'model' as the `baseModel` for all subfields, so that when |
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// we look if `category()` relationship exists on the model, we look on |
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// the model this repeatable represents, not the main CRUD model |
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$currentEntity = $subfield['baseEntity'] ?? $field['entity']; |
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$subfield['baseModel'] = $subfield['baseModel'] ?? $field['model']; |
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$subfield['baseEntity'] = isset($field['baseEntity']) ? $field['baseEntity'].'.'.$currentEntity : $currentEntity; |
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} |
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273
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274
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$field['subfields'][$key] = $this->makeSureFieldHasNecessaryAttributes($subfield); |
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275
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} |
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276
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277
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// when field has any of `many` relations we need to append either the pivot selector for the `ToMany` or the |
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278
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// local key for the `many` relations. Other relations don't need any special treatment when used as subfields. |
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279
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if (isset($field['relation_type'])) { |
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280
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switch ($field['relation_type']) { |
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281
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case 'MorphToMany': |
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282
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case 'BelongsToMany': |
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283
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$pivotSelectorField = static::getPivotFieldStructure($field); |
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284
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$field['subfields'] = Arr::prepend($field['subfields'], $pivotSelectorField); |
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285
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break; |
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286
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case 'MorphMany': |
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287
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case 'HasMany': |
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288
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$entity = isset($field['baseEntity']) ? $field['baseEntity'].'.'.$field['entity'] : $field['entity']; |
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289
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$relationInstance = $this->getRelationInstance(['entity' => $entity]); |
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290
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$field['subfields'] = Arr::prepend($field['subfields'], [ |
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'name' => $relationInstance->getLocalKeyName(), |
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292
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'type' => 'hidden', |
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293
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]); |
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294
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break; |
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295
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} |
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296
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} |
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297
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298
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return $field; |
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299
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} |
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300
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301
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/** |
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302
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* Enable the tabs functionality, if a field has a tab defined. |
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303
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* |
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304
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* @param array $field Field definition array. |
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305
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* @return void |
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306
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*/ |
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307
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protected function enableTabsIfFieldUsesThem($field) |
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308
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{ |
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309
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// if a tab was mentioned, we should enable it |
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310
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if (isset($field['tab'])) { |
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311
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if (! $this->tabsEnabled()) { |
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312
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$this->enableTabs(); |
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313
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} |
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314
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} |
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315
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} |
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316
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317
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/** |
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318
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* Add a field to the current operation, using the Settings API. |
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319
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* |
|
320
|
|
|
* @param array $field Field definition array. |
|
321
|
|
|
*/ |
|
322
|
|
|
protected function addFieldToOperationSettings($field) |
|
323
|
|
|
{ |
|
324
|
|
|
$fieldKey = $this->getFieldKey($field); |
|
325
|
|
|
|
|
326
|
|
|
$allFields = $this->getOperationSetting('fields'); |
|
|
|
|
|
|
327
|
|
|
$allFields = array_merge($this->getCleanStateFields(), [$fieldKey => $field]); |
|
|
|
|
|
|
328
|
|
|
|
|
329
|
|
|
$this->setOperationSetting('fields', $allFields); |
|
|
|
|
|
|
330
|
|
|
} |
|
331
|
|
|
|
|
332
|
|
|
/** |
|
333
|
|
|
* Get the string that should be used as an array key, for the attributive array |
|
334
|
|
|
* where the fields are stored for the current operation. |
|
335
|
|
|
* |
|
336
|
|
|
* The array key for the field should be: |
|
337
|
|
|
* - name (if the name is a string) |
|
338
|
|
|
* - name1_name2_name3 (if the name is an array) |
|
339
|
|
|
* |
|
340
|
|
|
* @param array $field Field definition array. |
|
341
|
|
|
* @return string The string that should be used as array key. |
|
342
|
|
|
*/ |
|
343
|
|
|
protected function getFieldKey($field) |
|
344
|
|
|
{ |
|
345
|
|
|
if (is_array($field['name'])) { |
|
346
|
|
|
return implode('_', $field['name']); |
|
347
|
|
|
} |
|
348
|
|
|
|
|
349
|
|
|
return $field['name']; |
|
350
|
|
|
} |
|
351
|
|
|
} |
|
352
|
|
|
|
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