Souke/backend/models/CreditForm.php

<?php

namespace backend\models;

use Yii;
use yii\base\Model;
use common\models\CreditHistorique ;
use common\models\User ;
use common\models\Etablissement ;
use common\models\UserEtablissement ;
use common\helpers\Mail ;

/**
 * ContactForm is the model behind the contact form.
 */
class CreditForm extends Model {

    public $id_user ;
    public $id_user_action ;
    public $id_etablissement ;
    public $type ;
    public $montant ;
    public $moyen_paiement ;
    public $commentaire ;
    public $send_mail ;

    /**
     * @inheritdoc
     */
    public function rules() {
        return [
            [['montant'], 'required'],
            [['id_user', 'id_user_action', 'id_etablissement'], 'integer'],
            [['date','send_mail'], 'safe'],
            [['montant'], 'double'],
            [['type', 'moyen_paiement', 'commentaire'], 'string', 'max' => 255],
        ];
    }

    /**
     * @inheritdoc
     */
    public function attributeLabels() {
        return [
            'id_user' => 'Utilisateur',
            'id_user_action' => 'Utilisateur',
            'date' => 'Date',
            'montant' => 'Montant',
            'type' => 'Type',
            'id_etablissement' => 'Établissement',
            'moyen_paiement' => 'Moyen de paiement',
            'commentaire' => 'Commentaire',
            'send_mail' => 'Prévenir l\'utilisateur',
        ];
    }
    
    public function save() {
        if ($this->validate()) {
            $credit_historique = new CreditHistorique ;
            $credit_historique->id_user = $this->id_user;
            $credit_historique->id_user_action = Yii::$app->user->identity->id;
            $credit_historique->id_etablissement = Yii::$app->user->identity->id_etablissement;
            $credit_historique->type = $this->type ;
            $credit_historique->commentaire = $this->commentaire ;
            $credit_historique->montant = $this->montant ;
            $credit_historique->moyen_paiement = $this->moyen_paiement ;
            $credit_historique->save();
            
            // on prévient l'utilisateur que son compte vient d'être crédité
            if($this->send_mail) {
                $user = User::findOne($this->id_user) ;
                $etablissement = Etablissement::findOne(Yii::$app->user->identity->id_etablissement) ;
                $user_etablissement = UserEtablissement::findOne(['id_user' => $this->id_user, 'id_etablissement' => Yii::$app->user->identity->id_etablissement]);
                
                Mail::send($user->email, 'Votre compte vient d\'être crédité','creditUser', [   
                    'user' => $user, 
                    'etablissement' => $etablissement,
                    'user_etablissement' => $user_etablissement,
                    'credit_form' => $this
                ]) ;
            }
            
        }
    }

}