public void updateSession(user record)
{
commandQuery("UPDATE Users_Details SET Session = " + record.Session + " WHERE Username = '******'");
}
public string changeSession(user record) //originally change pw
{
string session;
//Console.WriteLine(Convert.ToString(record.Session));
int C2;
try
{
if (findUserIndex(record))
{
C2 = record.index2;
session = Convert.ToString(record.Session);
OLSI_DS.Users_Details.Rows[C2].
BeginEdit();
OLSI_DS.Users_Details.Rows[C2]
["Session"] = session;
OLSI_DS.Users_Details.Rows[C2].
EndEdit();
OLSI_DA.Update(
OLSI_DS.Users_Details);
return ("Tutorial Change successful");
}
else
{
return "Tutorial change unsuccessful";
}
}
catch (Exception ex)
{
Console.WriteLine("ChangePW: " +
ex.ToString());
return "Tutorial change unsuccessful";
}
}
public bool getPWByID(user record)
{
int C2;
string PW;
try
{
if (findUserIndex(record))
{
C2 = record.index2;
PW = OLSI_DS.Users_Details.
Rows[C2]["User_password"].
ToString();
record.userPW = PW;
return (true);
}
else
{
return (false);
}
}
catch (Exception ex)
{
Console.WriteLine("getPWByID: "
+ ex.ToString());
return false;
}
}
public string getStudentUsername(
user record)
{
string IdMSG = "";
int count;
int rowNumber1;
rowNumber1 = OLSI_DS.DST_Users.
Rows.Count;
//Retrieves ID list
for (count = 0;
count <= rowNumber1 - 1;
count++)
{
if (OLSI_DS.DST_Users.Rows[count]
["User_Class"].ToString()
== "Student")
{
IdMSG = IdMSG + "&" +
OLSI_DS.DST_Users.Rows
[count]["Username"].
ToString();
}
}
return IdMSG;
}
public bool modifyDetails(user record)
{
int C1;
int C2;
if (findUserIndex(record))
{
C1 = record.index1;
C2 = record.index2;
OLSI_DS.DST_Users.Rows[C1].
BeginEdit();
OLSI_DS.DST_Users.Rows[C1]
["Surname"] =
record.surname;
OLSI_DS.DST_Users.Rows[C1]
["Initial"] =
record.initial;
OLSI_DS.DST_Users.Rows[C1].
EndEdit();
OLSI_UA.Update(OLSI_DS.DST_Users);
OLSI_DS.Users_Details.Rows[C2].
BeginEdit();
OLSI_DS.Users_Details.Rows[C2]
["User_password"] =
record.userPW;
OLSI_DS.Users_Details.Rows[C2]["Session"] =
record.Session;
OLSI_DS.Users_Details.Rows[C2].
EndEdit();
OLSI_DA.Update(OLSI_DS.Users_Details);
return true;
}
else
{
return false;
}
}
private bool findUserIndex(user record)
{
string ID;
int C1;
int C2 = 0;
int NoUsers1;
int NoUsers2;
string TStr1;
string Tstr2;
bool found;
try
{
ID = record.username;
NoUsers1 = OLSI_DS.DST_Users.Count;
found = false;
C1 = 0;
while (C1 < NoUsers1)
{
TStr1 = OLSI_DS.DST_Users.
Rows[C1]["Username"].
ToString();
if (TStr1 == ID)
{
NoUsers2 = OLSI_DS.
Users_Details.Count;
while (C2 < NoUsers2 &&
!found)
{
Tstr2 = OLSI_DS.
Users_Details.Rows[C2]
["Username"].
ToString();
if (Tstr2 == TStr1)
{
record.index1 =
C1;
record.index2 =
C2;
found = true;
}
else
{
C2++;
}
}
return found;
}
else
{
C1++;
}
}
return found;
}
catch (Exception ex)
{
Console.WriteLine(
"findUserIndex: " +
ex.ToString());
return false;
}
}
public string getUserRecord(user record)
{
int C1;
int C2;
string recordMSG = "";
int count;
int colNumber1;
int colNumber2;
colNumber1 = OLSI_DS.DST_Users.
Columns.Count;
colNumber2 = OLSI_DS.Users_Details.
Columns.Count;
findUserIndex(record);
C1 = record.index1;
C2 = record.index2;
//Retrieve from User Table
for (count = 0;
count <= colNumber1 - 1;
count++)
{
recordMSG = recordMSG + "&" +
OLSI_DS.DST_Users.Rows[C1]
[count].ToString();
}
//Retrieve from Details Table
for (count = 0;
count <= colNumber2 - 1;
count++)
{
recordMSG = recordMSG + "&" +
OLSI_DS.Users_Details.Rows[C2]
[count].ToString();
}
return recordMSG;
}
public bool deleteUserSQL(user record)
{
int C1;
string thisName;
string connectionString =
"Provider=Microsoft.Jet.OLEDB.4.0;DataSource=|DataDirectory|\\OSLI_Database.mdb";
System.Data.OleDb.OleDbCommand
cmd = new System.Data.OleDb.
OleDbCommand();
System.Data.OleDb.OleDbCommand
cmd2 = new System.Data.OleDb.
OleDbCommand();
System.Data.OleDb.OleDbConnection
connection =
new System.Data.OleDb.
OleDbConnection(
connectionString);
try
{
if (findUserIndex(record))
{
C1 = record.index1;
thisName = (string)(OLSI_DS.
DST_Users.Rows[C1]
["Username"]);
cmd.CommandType =
System.Data.
CommandType.Text;
cmd.Connection = connection;
connection.Open();
cmd.CommandText =
"DELETE FROM DST_List.DST_Users WHERE Username = \'" +
thisName + "\'";
cmd.ExecuteNonQuery();
connection.Close();
connection.Open();
cmd.CommandText =
"DELETE FROM DST_List.Users_Details WHERE Username = \'" +
thisName + "\'";
cmd.ExecuteNonQuery();
connection.Close();
OLSI_UA.Fill(OLSI_DS.DST_Users);
OLSI_DA.Fill(
OLSI_DS.Users_Details);
return true;
}
else
{
return false;
}
}
catch (Exception ex)
{
Console.WriteLine(
"DeleteUserSQL: " +
ex.ToString());
return false;
}
}
public bool authenticateUser(
user record)
{
int C2;
string password;
bool ret;
if (findUserIndex(record))
{
C2 = record.index2;
password = OLSI_DS.Users_Details.
Rows[C2]["User_password"].
ToString();
if (record.userPW == password)
{
ret = true;
}
else
{
ret = false;
}
}
else
{
ret = false;
}
return ret;
}
public bool deleteUser(user record)
{
int C1;
int C2;
try
{
if (findUserIndex(record))
{
C1 = record.index1;
OLSI_DS.DST_Users.Rows[C1].
BeginEdit();
OLSI_DS.DST_Users.Rows[C1].
Delete();
OLSI_DS.DST_Users.Rows[C1].
EndEdit();
OLSI_UA.Update(
OLSI_DS.DST_Users);
C2 = record.index2;
OLSI_DS.Users_Details.Rows[C2].
BeginEdit();
OLSI_DS.Users_Details.Rows[C2].
Delete();
OLSI_DS.Users_Details.Rows[C2].
EndEdit();
OLSI_DA.Update(
OLSI_DS.Users_Details);
return true;
}
else
{
return false;
}
}
catch (Exception ex)
{
Console.WriteLine(
"DeleteUser: " +
ex.ToString());
return false;
}
}
public bool addUser(user record)
{
OLTESDataSet.DST_UsersRow
newUserRow;
OLTESDataSet.Users_DetailsRow
newDetailRow;
try
{
newUserRow = OLSI_DS.DST_Users.
NewDST_UsersRow();
newDetailRow = OLSI_DS.Users_Details.
NewUsers_DetailsRow();
newUserRow["Username"] =
record.username;
newUserRow["Surname"] =
record.surname;
newUserRow["Initial"] =
record.initial;
newUserRow["User_Class"] =
record.userClass;
OLSI_DS.DST_Users.Rows.Add(
newUserRow);
OLSI_UA.Update(OLSI_DS);
newDetailRow["Username"] =
record.username;
newDetailRow["User_password"] =
record.userPW;
newDetailRow["Session"] = record.Session;
OLSI_DS.Users_Details.Rows.Add(
newDetailRow);
OLSI_DA.Update(OLSI_DS);
return true;
}
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
return false;
}
}
public bool changePW(user record)
{
string newPW;
int C2;
try
{
if (findUserIndex(record))
{
C2 = record.index2;
newPW = record.userPW;
OLSI_DS.Users_Details.Rows[C2].
BeginEdit();
OLSI_DS.Users_Details.Rows[C2]
["User_password"] = newPW;
OLSI_DS.Users_Details.Rows[C2].
EndEdit();
OLSI_DA.Update(
OLSI_DS.Users_Details);
return (true);
}
else
{
return false;
}
}
catch (Exception ex)
{
Console.WriteLine("ChangePW: " +
ex.ToString());
return false;
}
}
public string functionSwitch(string message)
{
string tutorial;
string function;
string id;
string password;
string[] inMessage = message.Split(';');
function = inMessage[0];
switch (function)
{
case "authenticate":
//Console.WriteLine("ATTEMPTING TO AUTHENTICATE SWITCH IS WORKING");
//Console.WriteLine("SendingMEssageBacktoClient");
//functionMessage = validate(id, password);
//outBuff = Encoding.ASCII.GetBytes(functionMessage);
//stream.Write(outBuff, 0, functionMessage.Length);
//stream.Flush();
id = inMessage[1];
password = inMessage[2];
DBCon authenticate_DB = new DBCon();
user u = new user();
u.username = id;
u.userPW = password;
if (authenticate_DB.authenticateUser(u) == true)
{
return "User has been authenticated.";
}
else
{
return "Username or password is incorrect.";
}
case "getAllTutorials":
string allTutes = "tutorialList." + getTutorials();
return allTutes;
//Console.WriteLine(getTutes.getStudentUsername(t));
case "getStudentSession":
id = inMessage[1];
password = inMessage[2];
string sessionNumber = "studentSessionRequest." + getSessionNumber(id);
return sessionNumber;
case "changeTutorial":
string confirmation;
id = inMessage[1];
tutorial = inMessage[2];
DBCon changeTut = new DBCon();
user changeTutorialStudent = new user();
changeTutorialStudent.username = id;
changeTutorialStudent.Session = int.Parse(tutorial);
//changeTutorialStudent.userPW = "LOL";
confirmation = changeTut.changeSession(changeTutorialStudent);
confirmation += ".";
//DatabaseHandler dt = new DatabaseHandler();
//dt.updateSession(changeTutorialStudent);
//Console.WriteLine("MAYBE");
return confirmation;
case "requestStudentsInTutorial":
string list = "TutorialStudents.";
id = inMessage[1];
tutorial = inMessage[2];
list += requestStudentsInTutorial(tutorial);
return list;
case "removeStudent":
string confirm = "Student removed from tutorial";
Console.WriteLine(inMessage);
id = inMessage[1];
tutorial = inMessage[2];
DBCon dbc = new DBCon();
user removedStudent = new user();
removedStudent.username = id;
removedStudent.Session = 0;
confirmation = dbc.changeSession(removedStudent);
confirmation += ".";
return confirm;
case "findStudent":
string studentFound = "foundStudent.";
studentFound += getUsers_Details(inMessage[1]);
return studentFound;
case "requestStudentsName":
string studentName = "foundStudentName.";
string userName = inMessage[1];
studentName += getName(userName);
return studentName;
default:
return "HUH";
}
}
public void updateSession(user record)
{
commandQuery("UPDATE Users_Details SET Session = " + record.Session + " WHERE Username = '******'");
}
