private void addPerson(string firstname, string lastname, string email)
{
/// Regex check ob Email möglich ist
if (isValidEmail(email))
{
SQLCommandBuilder SQLCmd = new SQLCommandBuilder(localConnection);
SQLCmd.buildSQLStatement
(
SQLCommandType.Distinct,
"Person",
new SQLCondition[]
{
new SQLCondition("FirstName", SQLOperator.Equal, firstname),
new SQLCondition("LastName", SQLOperator.Equal, lastname, SQLConditionType.And),
new SQLCondition("Email", SQLOperator.Equal, email, SQLConditionType.And)
}
);
SqlDataReader dr = SQLCmd.Command.ExecuteReader();
if (dr.HasRows)
{
CurrentGroup.Members.Add(new Person());
}
else
{
SQLCmd.buildSQLStatement(SQLCommandType.Insert, "Person", null, new string[] { "FirstName", "LastName", "Email" }, new string[] { firstname, lastname, email });
SQLCmd.Command.ExecuteNonQuery();
}
}
else
{
MessageBox.Show("Bitte eine gültige Email Adresse eingeben.");
}
}
private bool checkPassword(string username, string password)
{
bool match = false;
SQLCommandBuilder SQLCmd = new SQLCommandBuilder(mainWindow.localConnection);
using (SQLCmd.Command)
{
string storedPassword = "";
// Search for user with <username>
SQLCmd.buildSQLStatement
(
SQLCommandType.Select,
"Users",
new SQLCondition("UserName", SQLOperator.Equal, username)
);
using (SqlDataReader reader = SQLCmd.Command.ExecuteReader())
{
if (reader.Read())
{
int ord = reader.GetOrdinal("Password");
storedPassword = reader.GetString(ord);
int idord = reader.GetOrdinal("UsersID");
mainWindow.UserID = reader.GetString(ord);
}
}
if (GetHashString(password) == storedPassword)
{
match = true;
}
}
return(match);
}
public void saveGroup(string groupName)
{
// TODO Save group with current name
SQLCommandBuilder insert = new SQLCommandBuilder(localConnection);
insert.buildSQLStatement(SQLCommandType.Insert, "Groups", new string[] { "GroupName", "User_ID" }, new string[] { groupName, UserID.ToString() });
insert.Command.ExecuteNonQuery();
// TODO add members to group
foreach (Person member in CurrentGroup.Members)
{
insert.buildSQLStatement(SQLCommandType.Insert, "Members", new string[] { "Group_ID", "Person_ID" }, new string[] { "", member.PersonID.ToString() });
insert.Command.ExecuteNonQuery();
}
}
private void btn_match_Click(object sender, RoutedEventArgs e)
{
// TODO add {match current group} and {save final group to events table} logic
string eventName = "";
SQLCommandBuilder cmd = new SQLCommandBuilder(localConnection);
cmd.buildSQLStatement(SQLCommandType.Insert, "Events", "EventName", eventName);
cmd.Command.ExecuteNonQuery();
cmd.buildSQLStatement(SQLCommandType.Insert, "Participants", new string[] { "", "" }, new string[] { "", "" });
foreach (Person p in CurrentGroup.Members)
{
if (p.Participates)
{
}
}
}
private void btn_login_Click(object sender, RoutedEventArgs e)
{
if (isLoggedIn)
{
showLogout();
}
else
{
LoginWindow login = new LoginWindow(this);
login.ShowDialog();
if (login.SuccessfulLogin)
{
showLogin();
cb_group.Items.Clear();
// read groups of user
SQLCommandBuilder SQLCmd = new SQLCommandBuilder(localConnection);
using (SQLCmd.Command)
{
SQLCmd.buildSQLStatement
(
SQLCommandType.Select,
"Groups",
new SQLCondition("GroupID", SQLOperator.Equal, UserID)
);
using (SqlDataReader reader = SQLCmd.Command.ExecuteReader())
{
if (reader.HasRows)
{
while (reader.Read())
{
cb_group.Items.Add(reader.GetString(1));
}
}
}
}
}
}
}
public MainWindow()
{
InitializeComponent();
setAdminCode();
AdminWindow outputWindow = new AdminWindow(this);
for (int i = 0; i < 5; i++)
{
CurrentGroup.Members.Add(new Person("P" + i, "P" + i, "P" + i));
}
try
{
localConnection.Open();
Console.WriteLine("Connected to -" + localConnection.Database + "- Database");
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
}
// TODO load all people
SQLCommandBuilder SQLCmd = new SQLCommandBuilder(localConnection);
SQLCmd.buildSQLStatement
(
SQLCommandType.Select,
"Person"
);
using (SqlDataReader reader = SQLCmd.Command.ExecuteReader())
{
CurrentGroup.Members.Clear();
while (reader.Read())
{
CurrentGroup.Members.Add(new Person(reader.GetString(1), reader.GetString(2), reader.GetString(3)));
}
}
//connectDataView();
}
private void cb_group_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
// TODO add {Load group based on selection} logic
// Get Group ID
SQLCommandBuilder SQLCmd = new SQLCommandBuilder(localConnection);
using (SQLCmd.Command)
{
SQLCmd.buildSQLStatement
(
SQLCommandType.Select,
"Groups",
new SQLCondition("GroupName", SQLOperator.Equal, cb_group.Text)
);
string groupID = "";
using (SqlDataReader reader = SQLCmd.Command.ExecuteReader())
{
if (reader.HasRows)
{
groupID = reader.GetString(0);
}
}
SQLCmd.buildSQLStatement
(
SQLCommandType.Select,
"Members",
new SQLCondition("Group_ID", SQLOperator.Equal, groupID)
);
using (SqlDataReader reader = SQLCmd.Command.ExecuteReader())
{
CurrentGroup.Members.Clear();
foreach (DataRow row in reader)
{
CurrentGroup.Members.Add(new Person(row[1].ToString(), row[2].ToString(), row[3].ToString()));
}
}
}
}
private void btn_login_Click(object sender, RoutedEventArgs e)
{
string message = "";
SQLCommandBuilder SQLCmd = new SQLCommandBuilder(mainWindow.localConnection);
using (SQLCmd.Command)
{
// Neuen Benutzer Erstellen
if (signup)
{
// Create new user Logic
if (pb_password.Password == pb_password_repeat.Password)
{
// Password and Username should be longer than 3 characters
if (pb_password.Password.Length > 3 && tb_username.Text.Length > 3)
{
// Check if user exists
SQLCmd.buildSQLStatement(SQLCommandType.Select, "Users", new SQLCondition("UserName", SQLOperator.Equal, tb_username.Text));
int exists = SQLCmd.Command.ExecuteNonQuery();
if (exists > 0)
{
message = "Benutzer existiert bereits.";
}
else
{
// Create new user
SQLCmd.buildSQLStatement(SQLCommandType.Insert, "Users", new string[] { "UserName", "Password" }, new string[] { tb_username.Text, GetHashString(pb_password.Password) });
SQLCmd.Command.ExecuteNonQuery();
message = "Benutzer '" + tb_username.Text + "' Erstellt";
SuccessfulLogin = true;
}
}
else
{
message = "Passwort oder Benutzername zu kurz.";
}
}
else
{
message = "Passwörter stimmen nicht überein.";
}
}
// Login Existing User
else
{
if (checkPassword(tb_username.Text, pb_password.Password))
{
message = "Erfolgreich Angemeldet als " + tb_username.Text;
SuccessfulLogin = true;
}
else
{
message = "Benutzer / Passwort kombination nicht gefunden.";
}
}
}
MessageBox.Show(message);
if (SuccessfulLogin)
{
mainWindow.User = tb_username.Text;
Close();
}
}