public IActionResult Rate([FromQuery, Required] int lectionId, [FromQuery, Required] int studentId, [FromQuery, Required, RegularExpression("^([0-5]|Absence)$")] string value)
 {
     try
     {
         _appService.RateStudent(lectionId, studentId, value);
         return(Accepted());
     }
     catch (LmsWithClientMsgException ex)
     {
         return(Conflict(ex.ClientMessage));
     }
 }