protected void Page_Load(object sender, EventArgs e)
{
//test url: http://localhost:7820/SignIn.aspx?id=1&num=235346
int rollCallID = Convert.ToInt32(Request.QueryString["id"]);
string studentNumber = Request.QueryString["num"];
//find roll call and check if it is active
RollCallHandler rollCallHandler = new RollCallHandler();
RollCall rollCall = new RollCall();
rollCall = rollCallHandler.GetRollCallDetails(rollCallID);
//check if auto disable exists
if (rollCall.AutoDisable != "")
{
DateTime autoDisableDate = DateTime.Parse(rollCall.AutoDisable);
if (DateTime.Compare(autoDisableDate, DateTime.Now) < 0)
{
//auto disabl date reached, disable roll call
rollCallHandler.EndRollCall(rollCallID);
rollCall.Status = "disabled";
}
}
if (rollCall.Status == "enabled")
{
//get student details
StudentHandler studentHandler = new StudentHandler();
Student student = new Student();
student = studentHandler.GetStudentID(studentNumber);
//sign in
Student_RollCallHandler student_RollCallHandler = new Student_RollCallHandler();
Student_RollCall student_RollCall = new Student_RollCall();
student_RollCall.RollCallID = rollCallID;
student_RollCall.StudentID = student.StudentID;
student_RollCall.Status = "present";
student_RollCall.TimeOfSignIn = DateTime.Now.ToString();
student_RollCallHandler.AddNewRollCall(student_RollCall);
}
else
{
}
}
protected void btnGetReport_Click(object sender, EventArgs e)
{
string htmlOutput = "<thead><tr><th>Date <i class='fa fa-sort'></i></th><th>Status <i class='fa fa-sort'></i></th></tr></thead>";
litReport.Text = "";
//for each roll call held show status of selected student
RollCallHandler rollCallHandler = new RollCallHandler();
//get list of roll calls held for the module
List<RollCall> listRollCalls = rollCallHandler.GetRollCallList(Convert.ToInt32(dlModules.SelectedValue));
//get a students attendance for each of the found roll calls
Student_RollCall student_RollCall = new Student_RollCall();
Student_RollCallHandler student_RollCallHandler = new Student_RollCallHandler();
try
{
foreach (RollCall r in listRollCalls)
{
student_RollCall = student_RollCallHandler.GetStudentAttendance(r.RollCallID, Convert.ToInt32(dlStudents.SelectedValue));
try
{
litReport.Text += student_RollCall.Status + "<br/>";
DateTime date = Convert.ToDateTime(r.TimeOfRollCall);
htmlOutput += "<tr><td>" + date.ToString("MM/dd/yyyy HH:mm tt") + "</td><td>" + student_RollCall.Status + "</td></tr>\n";
}
catch (NullReferenceException)
{
litReport.Text += "Absent<br/>";
DateTime date = Convert.ToDateTime(r.TimeOfRollCall);
htmlOutput += "<tr><td>" + date.ToString("MM/dd/yyyy HH:mm tt") + "</td><td>absent</td></tr>\n";
}
}
Student student = new Student();
StudentHandler studentHandler = new StudentHandler();
}
catch
{
htmlOutput = "<div class='alert alert-danger'>No records found</div>";
}
litReport.Text = htmlOutput;
}
protected void btnGetReport_Click(object sender, EventArgs e)
{
string chartHead = "<script>new Morris.Line({element: 'mychart',;data: [";
string chartFoot = "],xkey: 'date',ykeys: ['value'],labels: ['Percentage']});</script>";
//{ date: '1990', value: 20 },
string chartBody = "";
//create report showing the average attendance for a module per roll call
Student_RollCallHandler student_RollCallHandler = new Student_RollCallHandler();
List<string> result = student_RollCallHandler.GetModuleAttendanceList(Convert.ToInt32(dlModules.SelectedValue));
int count = 0;
int totalStudents = 0;
//format of string returned is:
//rollCallID rollCallDate totalModuleStudents totalSignedInStudents
try
{
litReport.Text = "";
string date = "";
double attending = 0;
foreach (String s in result)
{
count++;
if (count < 4)
{
//litReport.Text += s + " "; display data
if (count == 2)
{
//{ date: '1990', value: 20 },
date = s;
date = date.Substring(0, 10);
chartBody += "{ date: '" + date + ", ";
}
if (count == 3)
{
totalStudents = Convert.ToInt32(s);
}
}
else
{
//litReport.Text += s + "</br>"; display data
count = 0;
double attended;
if (Convert.ToInt32(s) == 0)
{
attended = 0;
}
else
{
attended = totalStudents / Convert.ToInt32(s);
}
attending = Convert.ToDouble(s) / Convert.ToDouble(totalStudents);
attending *= 100;
chartBody += "value: " + Math.Round(attended) + "},";
FillGraph(date, attending);
}
}
litChart.Text = chartHead + chartBody + chartFoot;
}
catch (NullReferenceException)
{
litReport.Text = "<div class='alert alert-danger'>No records found</div>";
}
}
protected void btnGetReport_Click(object sender, EventArgs e)
{
//when a module us selected display all students linked to that module, and their attendance for each roll call
//data needed: student name, status
//get studentID, firstname, surname using ModuleID
//for each student use studentID to find roll call status
StudentHandler studentHandler = new StudentHandler();
RollCallHandler rollCallHandler = new RollCallHandler();
Student_RollCallHandler student_RollCallHandler = new Student_RollCallHandler();
Student_RollCall student_RollCall = new Student_RollCall();
List<Student> listStudents = studentHandler.GetStudentList(Convert.ToInt32(dlModules.SelectedValue));
litReport.Text = "";
string htmlOutput = "<thead><tr><th>Student <i class='fa fa-sort'></i></th><th>Percent <i class='fa fa-sort'></i></th></tr></thead>";
try
{
//get list of roll calls IDs held for a module
List<RollCall> listRollCalls = rollCallHandler.GetRollCallList(Convert.ToInt32(dlModules.SelectedValue));
int countRollCall = 0;
int countStudent = 0;
string[,] studentData = new string[listStudents.Count, 2];
string[] student = new string[listStudents.Count] ;
int[] attending = new int[listRollCalls.Count];
int temp = 0;
for (int i = 0; i < listStudents.Count; i++)
{
studentData[i, 1] = "0";
}
foreach (Student s in listStudents)
{
student[countStudent] = s.FirstName + " " + s.Surname;
studentData[countStudent, 0] = s.FirstName + " " + s.Surname + " " + s.StudentNumber;
//now get this students attendance records, one for each roll call, if no record exists assume absent
foreach (RollCall r in listRollCalls)
{
student_RollCall = student_RollCallHandler.GetStudentAttendance(r.RollCallID, s.StudentID);
try
{
litReport.Text += s.FirstName + " " + student_RollCall.Status;
attending[countRollCall] += 1;
temp = Convert.ToInt32(studentData[countStudent, 1]);
temp += 1;
studentData[countStudent, 1] = temp.ToString();
}
catch (NullReferenceException)
{
litReport.Text += s.FirstName + " " + "absent";
attending[countRollCall] += 0;
temp = Convert.ToInt32(studentData[countStudent, 1]);
temp += 0;
studentData[countStudent, 1] = temp.ToString();
}
countRollCall++;
}
countStudent++;
countRollCall = 0;
litReport.Text += "</br></br>";
}
litReport.Text = "";
for (int i = 0; i < listStudents.Count; i++)
{
studentData[i, 1] = (Convert.ToDouble(studentData[i, 1]) / listRollCalls.Count * 100).ToString();
studentData[i, 1] = Math.Round(Convert.ToDouble(studentData[i, 1]), 0).ToString();
htmlOutput += "<tr><td>" + studentData[i, 0] + "</td><td>" + studentData[i, 1] + "</td></tr>\n";
litReport.Text += studentData[i, 0] + " " + studentData[i, 1] + "</br>";
}
}
catch
{
htmlOutput = "<div class='alert alert-danger'>No records found</div>";
}
litReport.Text = htmlOutput;
}
