| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | /* | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * This file is part of the CRUDlex package. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * (c) Philip Lehmann-Böhm <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * For the full copyright and license information, please view the LICENSE | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  * file that was distributed with this source code. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  | namespace CRUDlex; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  | use \Valdi\Validator\ValidatorInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |  * A validator to check for an unique field. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  | class UniqueValidator implements ValidatorInterface { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |      * Checks whether the unique constraint is valid for a many-to-many field. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |      * @param array $value | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |      * the value to check | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |      * @param AbstractData $data | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |      * the data to perform the check with | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |      * @param Entity $entity | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |      * the entity to perform the check on | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |      * @param $field | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |      * the many field to perform the check on | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |      * @return boolean | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |      * true if it is a valid unique many-to-many constraint | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |     protected function isValidUniqueMany(array $value, AbstractData $data, Entity $entity, $field) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |         return !$data->hasManySet($field, array_column($value, 'id'), $entity->get('id')); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |      * Performs the regular unique validation. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |      * @param $value | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |      * the value to validate | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |      * @param $data | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |      * the data instance to validate with | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |      * @param $entity | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |      * the entity of the field | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |      * @param $field | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |      * the field to validate | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |      * @return boolean | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |      * true if everything is valid | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |     protected function isValidUnique($value, AbstractData $data, Entity $entity, $field) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |         $params = [$field => $value]; | 
                            
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                | 58 |  |  |         $paramsOperators = [$field => '=']; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |         if ($entity->get('id') !== null) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |             $params['id'] = $entity->get('id'); | 
                            
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                | 61 |  |  |             $paramsOperators['id'] = '!='; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |         $amount = intval($data->countBy($data->getDefinition()->getTable(), $params, $paramsOperators, true)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |         return $amount == 0; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |     public function isValid($value, array $parameters) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |         if (in_array($value, [null, ''])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |             return true; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |         $data   = $parameters[0]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |         $entity = $parameters[1]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |         $field  = $parameters[2]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |         $type   = $data->getDefinition()->getType($field); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |         if ($type === 'many') { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |             return $this->isValidUniqueMany($value, $data, $entity, $field); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |         return $this->isValidUnique($value, $data, $entity, $field); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 90 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 91 |  |  |     public function getInvalidDetails() { | 
            
                                                                        
                            
            
                                    
            
            
                | 92 |  |  |         return 'unique'; | 
            
                                                                        
                            
            
                                    
            
            
                | 93 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |  | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 95 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 96 |  |  |  | 
            
                        
This check looks for multiple assignments in successive lines of code. It will report an issue if the operators are not in a straight line.
To visualize
will produce issues in the first and second line, while this second example
will produce no issues.