| 1 | <?php |
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| 11 | trait Validatable |
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| 12 | { |
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| 13 | /** |
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| 14 | * Boot the trait. |
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| 15 | */ |
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| 16 | 15 | protected static function bootValidatable() |
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| 17 | { |
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| 18 | // Hook to execute before creating |
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| 19 | static::creating(function (Model $model) { |
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| 20 | 15 | $model->validate(); |
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| 21 | 15 | }); |
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| 22 | |||
| 23 | // Hook to execute before updating |
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| 24 | static::updating(function (Model $model) { |
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| 25 | $model->validate(); |
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| 26 | 15 | }); |
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| 27 | 15 | } |
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| 28 | |||
| 29 | /** |
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| 30 | * Validates current attributes against rules |
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| 31 | * |
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| 32 | * @return bool |
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| 33 | * @throws \DomainException |
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| 34 | */ |
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| 35 | 15 | public function validate() |
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| 36 | { |
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| 37 | 15 | $validator = $this->getValidator(); |
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| 38 | |||
| 39 | 15 | if ($validator->fails()) { |
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| 40 | 2 | throw new \InvalidArgumentException($validator->errors()->first()); |
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| 41 | } |
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| 42 | |||
| 43 | 14 | return true; |
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| 44 | } |
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| 45 | |||
| 46 | /** |
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| 47 | * Get instance of validator |
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| 48 | * |
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| 49 | * @return \Illuminate\Validation\Validator |
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| 50 | */ |
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| 51 | 15 | public function getValidator(): \Illuminate\Validation\Validator |
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| 52 | { |
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| 53 | 15 | return Validator::make($this->attributes, $this->getRules()); |
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| 54 | } |
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| 55 | |||
| 56 | /** |
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| 57 | * Required method that provide collection or rules |
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| 58 | * |
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| 59 | * @return array |
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| 60 | */ |
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| 61 | abstract protected function getRules(): array; |
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| 62 | } |
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| 63 |
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: