public function printplanglobalm($id)
 {
     $PlanGlobal = PlanGlobal::where("materium_id", "=", $id)->where("estado", "=", 1)->first();
     if (empty($PlanGlobal)) {
         $materiau = Materium::findOrFail($id);
         $PlanGlobal = new PlanGlobal();
         $PlanGlobal->materium_id = $id;
         $PlanGlobal->nombre_plan_global = $materiau->nombre_materia;
         $PlanGlobal->sigla_plan_global = $materiau->sigla_materia;
         $PlanGlobal->estado = 1;
         $PlanGlobal->save();
         $this->edit($PlanGlobal->id);
     }
     return $this->printplanglobal($PlanGlobal->id);
 }