public async Task<IActionResult> OnGetAsync()
{
UserName = HttpContext.Session.GetString(SessionKeyName1);
UserEmail = HttpContext.Session.GetString(SessionKeyName2);
Console.WriteLine("Current session: " + UserName);
if (string.IsNullOrEmpty(UserName))
{
Console.WriteLine("Session ended");
return RedirectToPage("/UserLoggedIn/SuccessLogIn");
}
else
{
Console.WriteLine("Retrieving modules");
var connectionStringBuilder = new SqliteConnectionStringBuilder();
DatabaseConnect DBCon = new DatabaseConnect(); // your own class and method in DatabaseConnection folder
string dbStringConnection = DBCon.DBStringConnection();
connectionStringBuilder.DataSource = dbStringConnection;
var connection = new SqliteConnection(connectionStringBuilder.ConnectionString);
connection.Open();
var selectCmd = connection.CreateCommand();
selectCmd.CommandText = @"SELECT * FROM Modules ORDER BY ModLevel";
var reader = selectCmd.ExecuteReader();
while (reader.Read())
{
Modules mod = new Modules();
mod.ModCode = reader.GetString(1);
mod.ModName = reader.GetString(2);
mod.ModLevel = reader.GetInt32(3);
mod.ModSemester = reader.GetInt32(4);
ModRecords.Add(mod);
IsSelect.Add(false);
}
connection.Close();
return Page();
}
}
public IActionResult OnPost()
{
Console.WriteLine("De-Registering Module");
for (int i = 0; i < ModRecords.Count(); i++)
{
if (IsSelect[i] == true)
{
Console.WriteLine(ModRecords[i].ModCode);
DeRegMod.Add(ModRecords[i]);
}
}
var connectionStringBuilder = new SqliteConnectionStringBuilder();
DatabaseConnect DBCon = new DatabaseConnect(); // your own class and method in DatabaseConnection folder
string dbStringConnection = DBCon.DBStringConnection();
connectionStringBuilder.DataSource = dbStringConnection;
var connection = new SqliteConnection(connectionStringBuilder.ConnectionString);
connection.Open();
for (int i = 0; i < DeRegMod.Count; i++)
{
var selectCmd = connection.CreateCommand();
selectCmd.CommandText = @"DELETE FROM RegisteredModule WHERE StudenEmail=$email AND ModCode=$modCode";
selectCmd.Parameters.AddWithValue("$email", UserEmail);
selectCmd.Parameters.AddWithValue("$modCode", DeRegMod[i].ModCode);
selectCmd.Prepare();
selectCmd.ExecuteNonQuery();
}
return(RedirectToPage("/UserModules/ViewRegisteredModule"));
}
public IActionResult OnGet()
{
UserName = HttpContext.Session.GetString(SessionKeyName1);
UserEmail = HttpContext.Session.GetString(SessionKeyName2);
Console.WriteLine("Current session: " + UserName);
if (string.IsNullOrEmpty(UserName))
{
Console.WriteLine("Session ended");
return(RedirectToPage("/UserLoggedIn/SuccessLogIn"));
}
else
{
Console.WriteLine("Retrieving modules");
var connectionStringBuilder = new SqliteConnectionStringBuilder();
DatabaseConnect DBCon = new DatabaseConnect(); // your own class and method in DatabaseConnection folder
string dbStringConnection = DBCon.DBStringConnection();
connectionStringBuilder.DataSource = dbStringConnection;
var connection = new SqliteConnection(connectionStringBuilder.ConnectionString);
connection.Open();
var selectCmd = connection.CreateCommand();
selectCmd.CommandText = @"SELECT ModCode FROM RegisteredModule WHERE StudenEmail=$email ORDER BY ModCode";
selectCmd.Parameters.AddWithValue("$email", UserEmail);
var reader = selectCmd.ExecuteReader();
List <String> GetRegMod = new List <string>(); //to get module that registered by the student
while (reader.Read())
{
GetRegMod.Add(reader.GetString(0));
}
for (int i = 0; i < GetRegMod.Count; i++)
{
var ModCode = GetRegMod[i];
var selectCmd2 = connection.CreateCommand();
selectCmd2.CommandText = @"SELECT ModName FROM Modules WHERE ModCode=$modCode ORDER BY ModCode";
selectCmd2.Parameters.AddWithValue("$modCode", ModCode);
var reader2 = selectCmd2.ExecuteReader();
while (reader2.Read())
{
Modules rec = new Modules();
rec.ModCode = GetRegMod[i];
rec.ModName = reader2.GetString(0);
ModRecords.Add(rec);
}
IsSelect.Add(false);
}
return(Page());
}
}
public async Task <IActionResult> OnPostAsync()
{
Console.WriteLine("Registering Module");
for (int i = 0; i < ModRecords.Count(); i++)
{
if (IsSelect[i] == true)
{
Console.WriteLine(ModRecords[i].ModName);
GetRegMod.Add(ModRecords[i]);
}
}
Console.WriteLine("Registered Module/s : " + GetRegMod.Count());
var connectionStringBuilder = new SqliteConnectionStringBuilder();
DatabaseConnect DBCon = new DatabaseConnect(); // your own class and method in DatabaseConnection folder
string dbStringConnection = DBCon.DBStringConnection();
connectionStringBuilder.DataSource = dbStringConnection;
var connection = new SqliteConnection(connectionStringBuilder.ConnectionString);
connection.Open();
var selectCmd = connection.CreateCommand();
selectCmd.CommandText = @"SELECT ModCode FROM RegisteredModule WHERE StudenEmail=$email";
Console.WriteLine("Email : " + UserEmail);
selectCmd.Parameters.AddWithValue("$email", UserEmail);
var reader = selectCmd.ExecuteReader();
List <string> CheckModuleCode = new List <string>(); //a variable use be assigned for the CodeModule registered found
while (reader.Read())
{
CheckModuleCode.Add(reader.GetString(0));
}
Console.WriteLine("No of module found : " + CheckModuleCode.Count);
connection.Open();
DateTime dd = DateTime.Now;
string date = dd.ToString("dd/MM/yyyy");
if (CheckModuleCode.Count == 0)
{
for (int i = 0; i < GetRegMod.Count; i++)
{
var selectCmd2 = connection.CreateCommand();
selectCmd2.CommandText = @"INSERT INTO RegisteredModule (StudenEmail, ModCode, Date) VALUES ($email, $MCode, $Date)";
Console.WriteLine("Email : " + UserEmail);
Console.WriteLine("Mod Code : " + GetRegMod[i].ModCode);
Console.WriteLine("Date : " + date);
selectCmd2.Parameters.AddWithValue("$email", UserEmail);
selectCmd2.Parameters.AddWithValue("$MCode", GetRegMod[i].ModCode);
selectCmd2.Parameters.AddWithValue("$Date", date);
selectCmd2.Prepare();
selectCmd2.ExecuteNonQuery();
Console.WriteLine("A record saved");
}
}
else //some modules already registered. Only new modules will be registered
{
for (int i = 0; i < GetRegMod.Count; i++)
{
bool valid = true;
for (int j = 0; j < CheckModuleCode.Count; j++)
{
if (GetRegMod[i].ModCode == CheckModuleCode[j])
{
valid = false;
Console.WriteLine("Registered module found!" + CheckModuleCode[j]);
}
}
if (valid == true)
{
var selectCmd2 = connection.CreateCommand();
selectCmd2.CommandText = @"INSERT INTO RegisteredModule (StudenEmail, ModCode, Date) VALUES ($email, $MCode, $Date)";
Console.WriteLine("Email : " + UserEmail);
Console.WriteLine("Mod Code : " + GetRegMod[i].ModCode);
Console.WriteLine("Date : " + date);
selectCmd2.Parameters.AddWithValue("$email", UserEmail);
selectCmd2.Parameters.AddWithValue("$MCode", GetRegMod[i].ModCode);
selectCmd2.Parameters.AddWithValue("$Date", date);
selectCmd2.Prepare();
selectCmd2.ExecuteNonQuery();
Console.WriteLine("A record saved");
}
}
}
connection.Close();
return(RedirectToPage("/UserModules/ViewRegisteredModule", GetRegMod));
}
