private void TestEditLecturer()
{
Console.WriteLine("Testing Edit Lecturer");
string[] id = new string[] { "v3111111", "v", "3111111", "v31234", "v1234567" };
string lecturerIDToDelete = "";
for (int i = 0; i < id.Count(); i++)
{
if (lc.SearchLecturer(id[i]) != null)
{
Console.WriteLine("\t\t Found Lecturer {0} !", id[i]);
lecturerIDToDelete = id[i];
lc.DeleteLecturer(id[i]);
}
}
id = new string[] { "v3111111", "v", "3111111", "v31234", "v1234567", "v3222222" };
string fn = "huy"; string ln = "le"; string mn = "phat";
for (int i = 0; i < id.Count(); i++)
{
if (!lecturerIDToDelete.Equals(id[i]))
{
lc.DeleteLecturer(lecturerIDToDelete);
}
else
{
lc.DeleteLecturer(id[i]);
}
Console.WriteLine("New lecturer infomation(id, first name, last name, middle name)\n({0}, {1}, {2}, {3})", id[i], fn, ln, mn);
if (lc.UpdateLecturer(id[i], fn, mn, ln))
{
Console.WriteLine("Updated lecturer {0}!", id[i]);
Console.WriteLine();
TestDisplayLecturerList();
}
else
{
Console.WriteLine("Fail to update lecturer {0}!", id[i]);
Console.WriteLine();
TestDisplayLecturerList();
}
}
Console.WriteLine();
}
private void btndelete_Click(object sender, EventArgs e)
{
try
{
int lecturerid = Convert.ToInt32(lbllecturerid.Text);
string message = LecturerController.DeleteLecturer(lecturerid);
MessageBox.Show(message);
loadgrid(txtlecturerfilter.Text);
clear();
}
catch (FormatException fe)
{
MessageBox.Show("please select a specific lecturer");
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
internal void EditLecturer()
{
int lecturerCount = lecturerController.LecturerCount();
if (lecturerCount > 0)
{
Console.WriteLine("Please enter only one course id as displayed below");
DisplayLecturer();
Console.Write("> ");
var lecturerIdToChange = Console.ReadLine();
while (lecturerController.SearchLecturer(lecturerIdToChange) == null)
{
Console.WriteLine("Sorry! The lecturer you wanna edit does not exist. Try again!");
Console.Write("> ");
lecturerIdToChange = Console.ReadLine();
}
Lecturer oldLecturer = lecturerController.SearchLecturer(lecturerIdToChange);
Console.Write("You will change old id \"{0}\" to new id or press [Enter] to unchange: ", oldLecturer.Id);
string updatedId = Console.ReadLine();
Console.Write("You will change old first name \"{0}\" to new name or press [Enter] to unchange: ", oldLecturer.FirstName);
string updatedFName = Console.ReadLine();
Console.Write("You will change old middle name \"{0}\" to new name or press [Enter] to unchange: ", oldLecturer.MiddleName);
string updatedMName = Console.ReadLine();
Console.Write("You will change old last name \"{0}\" to new name or press [Enter] to unchange: ", oldLecturer.LastName);
string updatedLName = Console.ReadLine();
if (updatedId == "")
{
updatedId = oldLecturer.Id;
}
if (updatedFName == "")
{
updatedFName = oldLecturer.FirstName;
}
if (updatedMName == "")
{
updatedMName = oldLecturer.MiddleName;
}
if (updatedLName == "")
{
updatedLName = oldLecturer.LastName;
}
// Keep old information of lecturer to modify if it happens error during updating
string id = oldLecturer.Id;
string fName = oldLecturer.FirstName;
string mName = oldLecturer.MiddleName;
string lName = oldLecturer.LastName;
// Delete course to edit by its id
lecturerController.DeleteLecturer(lecturerIdToChange);
if (lecturerController.UpdateLecturer(updatedId, updatedFName, updatedMName, updatedLName))
{
Console.WriteLine("\nYou updated new information for lecturer id: " + updatedId);
}
else
{
// Recreate old lecturer if updating fail
lecturerController.CreateLecturer(id, fName, mName, lName);
Console.WriteLine("\nYou failed to update new information for lecturer id: " + id);
Console.WriteLine();
}
}
else
{
Console.WriteLine("Opp! empty lecturer list. You should use selection 1 to add a lecturer.");
}
Console.WriteLine("Press[Enter] button to continue...");
Console.ReadLine();
}
