using System;
using System.Collections.Generic;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;
using System.Data;
using Microsoft.Practices.EnterpriseLibrary.Data.Sql;
using System.Data.SqlClient;
namespace Restaurant
{
/// <summary>
/// Interaction logic for UsersWindow.xaml
/// </summary>
public partial class UsersWindow : Window
{
// These are global object which will be use to communicate with the
// database whithin this class
SqlDatabase objSqlDatabase = new SqlDatabase(GlobalClass._ConStr);
DatabaseClass objDatabaseClass = new DatabaseClass(GlobalClass._ConStr);
Int32 _UserID = -1;
public UsersWindow()
{
this.Cursor = Cursors.Wait;
this.InitializeComponent();
if (objDatabaseClass.CheckConnection())
{
GetPermissionTypes();
GetAllUsers();
}
else
{
MessageBox.Show(ErrorMessages.Default.NoConnection, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
this.DialogResult = false;
}
this.Cursor = Cursors.Arrow;
}
/// <summary>
///When the user close the window this event will be fired
/// </summary>
private void CloseCommand_Executed(object sender, ExecutedRoutedEventArgs e)
{
this.Close();
}
/// <summary>
///This event is for moving the window
///</summary>
private void Window_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
this.DragMove();
}
/// <summary>
///This method populate the users Grid
/// </summary>
private void GetAllUsers()
{
string spName = "Get_All_Users";
try
{
DataSet ds = objSqlDatabase.ExecuteDataSet(CommandType.StoredProcedure, spName);
UsersGridView.ItemsSource = ds.Tables[0].DefaultView;
UsersGridView.SelectedIndex = -1;
btnEdit.IsEnabled = true;
btnDelete.IsEnabled = true;
}
catch (SqlException)
{ }
}
/// <summary>
///This method populate the permission combobox
/// </summary>
private void GetPermissionTypes()
{
string commandText = "SELECT PermissionID,Description FROM Permissions";
try
{
DataSet ds = objSqlDatabase.ExecuteDataSet(CommandType.Text, commandText);
List<PersmissionClass> permisionsList = new List<PersmissionClass>();
for (int i = 0; i < ds.Tables[0].Rows.Count; i++)
{
permisionsList.Add(new PersmissionClass(Convert.ToInt32(ds.Tables[0].Rows[i]["PermissionID"]), ds.Tables[0].Rows[i]["Description"].ToString()));
}
ds = null;
cmbPermission.ItemsSource = permisionsList;
cmbPermission.DisplayMemberPath = "Permission";
cmbPermission.SelectedValuePath = "PermissionID";
cmbPermission.SelectedIndex = -1;
}
catch (SqlException)
{
MessageBox.Show(ErrorMessages.Default.NoConnection, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
private void btnNewUser_Click(object sender, RoutedEventArgs e)
{
txbBorderTitle.Text = "New User";
cmbPermission.SelectedIndex = 0;
BorderAddEdit.IsEnabled = true;
_UserID = -1;
txtFullName.Text = "";
txtUserName.Text = "";
pbPassword.Password = "";
pbConfirmPassword.Password = "";
pbPassword.IsEnabled = true;
pbConfirmPassword.IsEnabled = true;
cmbPermission.SelectedIndex = -1;
UsersGridView.IsEnabled = true;
}
private void btnEdit_Click(object sender, RoutedEventArgs e)
{
if (UsersGridView.SelectedItems.Count > 0)
{
UsersGridView.IsEnabled = false;
txbBorderTitle.Text = "Edit User";
_UserID = Convert.ToInt32(((DataRowView)UsersGridView.SelectedItem)["UserID"]);
txtFullName.Text = ((DataRowView)UsersGridView.SelectedItem)["FullName"].ToString();
txtUserName.Text = ((DataRowView)UsersGridView.SelectedItem)["UserName"].ToString();
Int16 userType = Convert.ToInt16(((DataRowView)UsersGridView.SelectedItem)["PermissionID"]);
cmbPermission.SelectedValue = userType;
pbPassword.IsEnabled = false;
pbConfirmPassword.IsEnabled = false;
pbPassword.Password = "123456";
pbConfirmPassword.Password = "123456";
BorderAddEdit.IsEnabled = true;
}
else
{
MessageBox.Show(ErrorMessages.Default.NoRowSelected, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
private void btnDelete_Click(object sender, RoutedEventArgs e)
{
this.Cursor = Cursors.Wait;
if (UsersGridView.SelectedItems.Count > 0)
{
if (MessageBox.Show(ErrorMessages.Default.ConfirmDelete, "Delete", MessageBoxButton.YesNo, MessageBoxImage.Warning) == MessageBoxResult.Yes)
{
if (objDatabaseClass.CheckConnection())
{
string spName = "Delete_User";
object[] spParams = new object[1];
spParams[0] = Convert.ToInt32(((DataRowView)UsersGridView.SelectedItem)["UserID"]);
try
{
int result = objSqlDatabase.ExecuteNonQuery(spName, spParams);
if (result > 0)
{
GetAllUsers();
Reset();
}
}
catch (SqlException)
{
//we check something
MessageBox.Show(ErrorMessages.Default.UnhandledException, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
else
{
MessageBox.Show(ErrorMessages.Default.NoConnection, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
}
else
{
MessageBox.Show(ErrorMessages.Default.NoRowSelected, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
this.Cursor = Cursors.Arrow;
}
/// <summary>
///This is for reseting the selected user password to 123
/// </summary>
private void btnResetPassword_Click(object sender, RoutedEventArgs e)
{
this.Cursor = Cursors.Wait;
if (UsersGridView.SelectedItems.Count > 0)
{
if (MessageBox.Show(ErrorMessages.Default.ConfirmResetPassword, "Reset Password", MessageBoxButton.YesNo, MessageBoxImage.Warning) == MessageBoxResult.Yes)
{
if (objDatabaseClass.CheckConnection())
{
string spName = "Reset_User_Passw0rd";
object[] spParams = new object[1];
spParams[0] = Convert.ToInt32(((DataRowView)UsersGridView.SelectedItem)["UserID"]);
try
{
int result = objSqlDatabase.ExecuteNonQuery(spName, spParams);
if (result > 0)
{
MessageBox.Show(ErrorMessages.Default.ResetPassSucceed);
}
}
catch (SqlException)
{ }
}
else
{
MessageBox.Show(ErrorMessages.Default.NoConnection, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
}
else
{
MessageBox.Show(ErrorMessages.Default.NoRowSelected, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
this.Cursor = Cursors.Arrow;
}
private void btnSave_Click(object sender, RoutedEventArgs e)
{
this.Cursor = Cursors.Wait;
if (txbBorderTitle.Text == "New User")
{
string errorText = "";
bool state = false;
if (txtFullName.Text.Length < 2)
{
errorText += ErrorMessages.Default.UserFullNameEmpty + "\n";
state = true;
}
if (txtUserName.Text.Length < 1)
{
errorText += ErrorMessages.Default.UserNameEmpty + "\n";
state = true;
}
if (pbPassword.Password.Length < 3)
{
errorText += ErrorMessages.Default.PasswordEmpty + "\n";
state = true;
}
else if (!CheckPassword(pbPassword.Password, pbConfirmPassword.Password))
{
errorText += ErrorMessages.Default.ConflictPassword + "\n";
state = true;
}
if (!(cmbPermission.SelectedIndex > -1))
{
errorText += ErrorMessages.Default.PermissionNotChoosed;
state = true;
}
if (state == false)
{
if (objDatabaseClass.CheckConnection())
{
string spName = "Create_User";
object[] spParams = new object[4];
spParams[0] = txtFullName.Text;
spParams[1] = txtUserName.Text;
spParams[2] = GlobalClass.GetMd5Hash(pbPassword.Password);
spParams[3] = Convert.ToInt16(cmbPermission.SelectedValue);
try
{
int result = objSqlDatabase.ExecuteNonQuery(spName, spParams);
if (result > 0)
{
Reset();
GetAllUsers();
MessageBox.Show(string.Format(ErrorMessages.Default.RecordCreatedSuccessfully,"User"));
}
}
catch (SqlException ex)
{
if (ex.Number == 2627)
{
MessageBox.Show(string.Format(ErrorMessages.Default.RepeatedRecord,"User Name"), "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
}
else
{
MessageBox.Show(ErrorMessages.Default.NoConnection, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
else
{
MessageBox.Show(errorText, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
else if (txbBorderTitle.Text == "Edit User")
{
string errorText = "";
bool state = false;
if (txtFullName.Text.Length < 2)
{
errorText += ErrorMessages.Default.UserFullNameEmpty + "\n";
state = true;
}
if (txtUserName.Text.Length < 1)
{
errorText += ErrorMessages.Default.UserNameEmpty + "\n";
state = true;
}
if (!(cmbPermission.SelectedIndex > -1))
{
errorText += ErrorMessages.Default.PermissionNotChoosed;
state = true;
}
if (state == false)
{
if (objDatabaseClass.CheckConnection())
{
if (_UserID != -1)
{
string spName = "Update_User";
object[] spParams = new object[4];
spParams[0] = _UserID;
spParams[1] = txtFullName.Text;
spParams[2] = txtUserName.Text;
spParams[3] = Convert.ToInt16(cmbPermission.SelectedValue);
try
{
int result = objSqlDatabase.ExecuteNonQuery(spName, spParams);
if (result > 0)
{
Reset();
GetAllUsers();
MessageBox.Show(ErrorMessages.Default.EditedSuccessfully);
}
}
catch (SqlException ex)
{
if (ex.Number == 2627)
{
MessageBox.Show(string.Format(ErrorMessages.Default.RepeatedRecord,"User Name"), "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
}
else
{
MessageBox.Show(ErrorMessages.Default.UnhandledException, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
else
{
MessageBox.Show(ErrorMessages.Default.NoConnection, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
else
{
MessageBox.Show(errorText, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
this.Cursor = Cursors.Arrow;
}
/// <summary>
///Compares Password with Confirm password
///returns True when both are the same
///returns false when they are not the same
/// </summary>
private bool CheckPassword(string pass1, string pass2)
{
if (pass1 == pass2)
{
return (true);
}
else
{
return (false);
}
}
private void btnCancel_Click(object sender, RoutedEventArgs e)
{
Reset();
}
/// <summary>
///Reset the textboxes and other controls after save or cancel functions
/// </summary>
private void Reset()
{
txbBorderTitle.Text = "";
_UserID = -1;
txtFullName.Text = "";
txtUserName.Text = "";
pbPassword.Password = "";
pbConfirmPassword.Password = "";
cmbPermission.SelectedIndex = -1;
BorderAddEdit.IsEnabled = false;
UsersGridView.IsEnabled = true;
}
}
class PersmissionClass
{
public PersmissionClass(int permisionID, string permission)
{
this._permissionID = permisionID;
this._permission = permission;
}
private int _permissionID = -1;
public int PermissionID
{
get { return _permissionID; }
set { _permissionID = value; }
}
private string _permission = "";
public string Permission
{
get { return _permission; }
set { _permission = value; }
}
}
}
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