public IActionResult GetEventos([FromHeader] EventoImortais evento)
 {
     try
     {
         AgendaService agendaService = new AgendaService(this._context);
         agendaService.BuscarEventos(evento.DataEvento);
         return(Ok(agendaService.eventos));
     }
     catch (Exception ex)
     {
         return(BadRequest(new { message = ex.Message }));
     }
 }