public function actionIndex($filtro = 'todos')
 {
     $modelEmpresa = \app\models\Empresas::findOne(Yii::$app->session->get('empresa'));
     $today = date("Y-m-d H:i:s");
     $yearSg = ['start' => date('Y-m-d H:i:s', mktime(0, 0, 0, 1, 1, date('Y'))), 'end' => date('Y-m-d H:i:s', mktime(23, 59, 59, 12, 31, date('Y')))];
     $pendentes = (new Query())->select(['count(*) as total'])->from(['eventos o'])->leftJoin('atividades a', 'o.atividade_id = a.id')->where(['>=', 'd_ini', $yearSg['start']])->andWhere(['<=', 'd_ter', $yearSg['end']])->andWhere(['status' => 0])->andWhere(['a.empresa_id' => Yii::$app->session->get('empresa')])->scalar();
     $avencer = (new Query())->select(['count(*) as total'])->from(['eventos o'])->leftJoin('atividades a', 'o.atividade_id = a.id')->where(['>=', 'd_ter', $today])->andWhere(['<=', 'd_ter', $yearSg['end']])->andWhere(['status' => 0])->andWhere(['a.empresa_id' => Yii::$app->session->get('empresa')])->scalar();
     $vencidas = (new Query())->select(['count(*) as total'])->from(['eventos o'])->leftJoin('atividades a', 'o.atividade_id = a.id')->andWhere(['a.empresa_id' => Yii::$app->session->get('empresa')])->andWhere(['<', 'd_ter', $today])->andWhere(['status' => 0])->scalar();
     $canceladas = (new Query())->select(['count(*) as total'])->from(['eventos o'])->leftJoin('atividades a', 'o.atividade_id = a.id')->andWhere(['a.empresa_id' => Yii::$app->session->get('empresa')])->andWhere(['status' => 3])->scalar();
     $concluidas = (new Query())->select(['count(*) as total'])->from(['eventos o'])->leftJoin('atividades a', 'o.atividade_id = a.id')->andWhere(['a.empresa_id' => Yii::$app->session->get('empresa')])->andWhere(['status' => 1])->scalar();
     $concluidas_atraso = (new Query())->select(['count(*) as total'])->from(['eventos o'])->leftJoin('atividades a', 'o.atividade_id = a.id')->andWhere(['a.empresa_id' => Yii::$app->session->get('empresa')])->andWhere(['status' => 2])->scalar();
     switch ($filtro) {
         case "":
             Eventos::find()->joinWith('atividade')->where(['MONTH(d_ini)' => date('m')])->andWhere(['atividades.empresa_id' => Yii::$app->session->get('empresa')]);
             break;
         default:
             $query = Eventos::find()->joinWith('atividade')->where(['MONTH(d_ini)' => date('m')])->andWhere(['atividades.empresa_id' => Yii::$app->session->get('empresa')]);
             break;
     }
     $modelOcorrencia = new \yii\data\ActiveDataProvider(['query' => $query, 'pagination' => ['pageSize' => 8]]);
     return $this->render('index', ['modelEmpresa' => $modelEmpresa, 'modelOcorrencia' => $modelOcorrencia, 'pendentes' => $pendentes, 'avencer' => $avencer, 'vencidas' => $vencidas, 'canceladas' => $canceladas, 'concluidas' => $concluidas, 'concluidas_atraso' => $concluidas_atraso]);
 }
 /**
  * Finds the Empresas model based on its primary key value.
  * If the model is not found, a 404 HTTP exception will be thrown.
  * @param integer $id
  * @return Empresas the loaded model
  * @throws NotFoundHttpException if the model cannot be found
  */
 protected function findModel($id)
 {
     if (($model = Empresas::findOne($id)) !== null) {
         return $model;
     } else {
         throw new NotFoundHttpException('The requested page does not exist.');
     }
 }