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Optimize Scenarios for yii2

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Title unchanged

Optimize Scenarios for yii2

Category unchanged

Tutorials

Yii version changed

2.0

Tags changed

model, model validation, model,validation rules

Content changed

[...]
One way to avoid this disorder is to encapsulate the information defined for the scenarios and to have a single point of customization.

For this we need to create constants for each scenario, note: once you define a scenario, you will need to use scenarios for any database edition that uses this model.

**In model**

```php
class MyModel extends \yii\db\ActiveRecord { const SCENARIOCRIEATE = 'scenariocrieate';
const SCENARIOUPDATE = 'scenarioupdate';
[...]
return [
self::SCENARIOCR
IEATE => ['user_id', 'name', 'desc', 'published','date_create'],
self::SCENARIOUPDATE => ['user_id', 'name', 'desc', 'date_update'],
];
[...]
$allscenarios = $this->getCustomScenarios();
// published not required
$allscenarios[self::SCENARIOCR
IEATE] = array_diff($allscenarios[self::SCENARIOCRIEATE], ['published']);
return $allscenarios;
[...]
$allscenarios = $this->ModifyRequired();
return [
[$allscenarios[self::SCENARIOCR
IEATE], 'required', 'on' => self::SCENARIOCRIEATE],
[$allscenarios[self::SCENARIOUPDATE], 'required', 'on' => self::SCENARIOUPDATE],
[['user_id'], 'integer'],
[...]
```

O gGetCustomScenarios será usado para quando for necessário fazer modificações de colunawill be used for when you need to make column modifications. OThe ModifyRequired é utilizado para remover do required, pois neste momento será utilizadois used to remove from the required, because at this point will be used getCustomScenarios para ofor the save. **In Controller**
```php
public function actionIndex() { $model = new MyModel; $model->scenario = 'scenariocrieate'; if ($model->load(\Yii::$app->request->post())){        // get all scenarios
 
        $allscenarios=$model->getCustomScenarios();
// force my columns if($model->save(true, $allscenarios[$this->scenario])){
//return true
}
}
}
```
[...]
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Version: 2.0
Category: Tutorials
Written by: AndroideLP
Last updated by: AndroideLP
Created on: Nov 8, 2016
Last updated: 5 years ago
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