// ProcessSwipe handles the workflow for a student swiping their id // card at the Learning Factory. public String ProcessSwipe(String studentId) { String message = ""; StudentDataService sds = new StudentDataService(); AttendanceDataService ads = new AttendanceDataService(); Student student = sds.GetStudent(studentId); if (student == null) // new student swipes id card { String house_assignment = HouseAssignment(); Console.WriteLine(house_assignment); if (sds.CreateStudent(studentId, house_assignment) && ads.CreateAttendance(studentId)) { message = "Welcome to the Learning Factory! " + "Your house assignment is " + house_assignment + ". Please see our FAQ page if you have questions about this house " + "assignment or the point tracking process."; } else { message = "An error occurred when processing your card. Please try again or " + "find a staff member if error continues to occur."; } } else // existing student swipes id card { Attendance attendance = ads.GetLatestAttendance(studentId); if ((attendance.check_in != null) && (attendance.check_out != null)) { if (ads.CreateAttendance(studentId)) { message = "Hi " + student.first_name + ", you have signed " + "into the Learning Factory. You currently have " + student.total_points + " points. Have fun building!"; } else { message = "An error occurred when processing your card. Please try again or " + "find a staff member if error continues to occur."; } } else { if (ads.UpdateSession(attendance.session_id.ToString())) { message = "You have been signed out. You received " + ads.GetLatestAttendance(studentId).session_points + " points for this visit, " + " and you have " + sds.GetStudent(studentId).total_points + " points " + "total. Thanks for coming " + student.first_name + "!"; } else { message = "An error occurred when processing your card. Please try again or " + "find a staff member if error continues to occur."; } } } return(message); }