public ActionResult OnGetCheckPrereqCode(string code)
{
if (code != null)
{
if (CourseCode.GetIdByCourseCode(code) == 0)
{
return(new JsonResult(false));
}
else
{
return(new JsonResult(true));
}
}
return(new JsonResult(false));
}
public IActionResult OnPost()
{
try
{
// in case we have to be on the same page again?
Init();
RefreshShownCourses();
if (!ModelState.IsValid)
{
return(Page());
}
if (!int.TryParse(Request.Form["courseId"], out int id))
{
return(FailWithMessage("The ID is invalid."));
}
// we have enough information for access control
if (!AllowedToModify(id))
{
return(FailWithMessage("You aren't allowed to change this course."));
}
string name = Request.Form["courseTitle"];
string courseCode = Request.Form["courseCode"];
string description = Request.Form["description"];
if (!int.TryParse(Request.Form["credit"], out int credit) ||
credit < 0)
{
return(FailWithMessage("The credit is invalid."));
}
if (!int.TryParse(Request.Form["lectureHours"], out int lectureHours) ||
lectureHours < 0)
{
return(FailWithMessage("The lecture hours are invalid."));
}
if (!int.TryParse(Request.Form["labHours"], out int labHours) ||
labHours < 0)
{
return(FailWithMessage("The lab hours are invalid."));
}
if (!int.TryParse(Request.Form["totalHours"], out int totalHours) ||
totalHours < 0)
{
return(FailWithMessage("The total hours are invalid."));
}
if (!int.TryParse(Request.Form["examHours"], out int examHours) ||
examHours < 0)
{
return(FailWithMessage("The exam hours are invalid."));
}
if (!decimal.TryParse(Request.Form["revisionNumber"], out decimal revisionNumber))
{
return(FailWithMessage("The revision number is invalid."));
}
string program = Request.Form["program"];
if (!bool.TryParse(Request.Form["accreditation"], out bool accreditation))
{
return(FailWithMessage("The accreditation is invalid."));
}
if (!int.TryParse(Request.Form["semester"], out int semester) ||
semester < 0)
{
return(FailWithMessage("The semester is invalid."));
}
if (!DateTime.TryParse(Request.Form["startDate"], out DateTime startDate))
{
return(FailWithMessage("The start date is invalid."));
}
if (!DateTime.TryParse(Request.Form["endDate"], out DateTime endDate))
{
return(FailWithMessage("The end date is invalid."));
}
if (startDate > endDate)
{
return(FailWithMessage("The end of the course is before when it starts."));
}
if (!int.TryParse(Request.Form["leadStaff"], out int leadStaffId) ||
leadStaffId < 0)
{
return(FailWithMessage("The lead staff ID is invalid."));
}
Staff leadStaff = new Staff(leadStaffId, "", "lead");
Staff supportStaff = null;
//Leave support staff as null unless there was a choice selected (its optional)
if (!string.IsNullOrWhiteSpace(Request.Form["supportStaff"]))
{
if (!int.TryParse(Request.Form["supportStaff"], out int supportStaffId) ||
supportStaffId < 0)
{
return(FailWithMessage("The support staff ID is invalid."));
}
supportStaff = new Staff(supportStaffId, "", "support");
}
List <Prerequisite> prereqs = new List <Prerequisite>();
for (int i = 0; i < Convert.ToInt32(Request.Form["count"]); i++)
{
Prerequisite prereq = null;
//Validation to see if the entered prereq coursecode is valid
//If it isn't, the method will return 0 and then it will refresh with a message (should be no courseid of 0)
int prereqId = CourseCode.GetIdByCourseCode(Request.Form["prereqCode+" + i]);
if (prereqId == 0)
{
return(FailWithMessage("You entered a invalid Course Code for a Prerequisite"));
}
//If it returned a valid id, now check if its a coreq or a prereq
if (Request.Form["reqRadio+" + i].Equals("prereq"))
{
prereq = new Prerequisite(id, prereqId, true, false);
}
else if (Request.Form["reqRadio+" + i].Equals("coreq"))
{
prereq = new Prerequisite(id, prereqId, false, true);
}
prereqs.Add(prereq);
}
if (Add == false)
{
Course c = new Course(id, name, credit, description, lectureHours, labHours, examHours, totalHours, revisionNumber, program, accreditation);
c.UpdateCourse(leadStaff, supportStaff, prereqs);
}
else if (Add == true)
{
id = Course.AddCourse(new Course(id, name, credit, description, lectureHours, labHours, examHours, totalHours, revisionNumber, program, accreditation), leadStaff, supportStaff, prereqs);
}
// XXX: really flawed and prob won't be performant, we need proper course code management
var oldCourseCode = !(Add ?? false) ? Course.GetCourseById(id)?.GetCourseCode()?.Code : null;
if (courseCode != oldCourseCode)
{
CourseCode.AddCourseCode(id, new CourseCode(courseCode, startDate, endDate, semester));
}
return(ShowAllCourses ? RedirectToPage("ManageCourses", "all") : RedirectToPage("ManageCourses"));
}
catch (Exception ex)
{
return(FailWithMessage("There was an exception from the system updating the course;" +
"report this to an administrator: " + ex.Message));
}
}