private void EmployeesForm_Load(object sender, EventArgs e)
{
try
{
DatabaseFunctions.GetAllUsers();
DatabaseFunctions.GetAllDepartments();
employeesLv.Items.Clear();
foreach (var item in Users.users)
{
ListViewItem lvi = new ListViewItem(item.ID.ToString());
lvi.SubItems.Add(item.FirstName);
lvi.SubItems.Add(item.LastName);
lvi.SubItems.Add(item.Email);
lvi.SubItems.Add(item.PhoneNumber);
lvi.SubItems.Add(item.Position.ToString());
lvi.SubItems.Add(item.Salary.ToString("C2", CultureInfo.CurrentCulture));
lvi.SubItems.Add(item.UserDepartment.Name);
employeesLv.Items.Add(lvi);
}
departmentCb.Items.Clear();
departmentCb.Items.Add("Department");
departmentCb.Items.Add("All Departments");
departmentCb.SelectedIndex = 0;
foreach (var item in Departments.departments)
{
departmentCb.Items.Add(item.Name);
}
roleCb.SelectedIndex = 0;
}
catch (NoConnectionException)
{
MessageBox.Show("Connection unsuccessful, please restart", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
catch (NotExistingException)
{
MessageBox.Show("Department is non-existent, please restart", "Error", MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
AnimateWindow(this.Handle, 500, AnimateWindowFlags.AW_SLIDE);
}
private void confirmBtn_Click(object sender, EventArgs e)
{
if (!string.IsNullOrWhiteSpace(nameTb.Text) && !string.IsNullOrWhiteSpace(priceTb.Text) && !string.IsNullOrWhiteSpace(quantityTb.Text))
{
if (categoryCb.SelectedIndex > 0)
{
string productName = nameTb.Text;
double productPrice = double.Parse(priceTb.Text);
int productQuantity = int.Parse(quantityTb.Text);
bool stockRequest = stockCbx.Checked;
ProductCategory type = (ProductCategory)Enum.Parse(typeof(ProductCategory), categoryCb.Text, true);
if (_editProduct)
{
_productToBeEdited.Name = productName;
_productToBeEdited.Price = productPrice;
_productToBeEdited.Quantity = productQuantity;
_productToBeEdited.Category = type;
_productToBeEdited.StockRequest = stockRequest;
Products.UpdateProduct(_productToBeEdited);
}
else
{
Product newProduct = new Product(productName, type, productPrice, productQuantity, stockRequest);
Products.AddProduct(newProduct);
}
DatabaseFunctions.GetAllProducts();
this.Close();
}
else
{
MessageBox.Show("Choose type!");
}
}
else
{
MessageBox.Show("Fill in the empty fields!");
}
}
public MainForm()
{
InitializeComponent();
usernameTb.Click += new EventHandler(click_username);
usernameTb.Leave += new EventHandler(leave_username);
passwordTb.Click += new EventHandler(click_password);
passwordTb.Leave += new EventHandler(leave_password);
try
{
if (!DatabaseFunctions.GetAllUsers() && !DatabaseFunctions.GetAllProducts())
{
MessageBox.Show("Loading Data Failure, please restart", "Error", MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
if (!DatabaseFunctions.GetAllDepartments())
{
MessageBox.Show("Loading Data Failure, please restart", "Error", MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
if (!File.Exists("idSeeder"))
{
string id = (Users.LastGenUsernameId() + 1).ToString();
File.WriteAllLines("idSeeder", new string[] { id });
}
}
catch (NoConnectionException)
{
MessageBox.Show("Loading Data Failure, please restart", "Error", MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
catch (IOException)
{
MessageBox.Show("Loading Data Failure, please restart", "Error", MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
}
private void removeBtn_Click(object sender, EventArgs e)
{
try
{
DatabaseFunctions.RemoveDepartment(_departmentToBeEdited);
DatabaseFunctions.GetAllDepartments();
this.Close();
}
catch (NoConnectionException)
{
MessageBox.Show("Connection unsuccessful, please restart", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
catch (NotExistingException)
{
MessageBox.Show("Department is non-existent, please restart", "Error", MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
catch (UsersInDepartmentException)
{
MessageBox.Show("There are still employees in that department", "Error", MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
}
private void loginBtn_Click(object sender, EventArgs e)
{
User user = Users.FindUser(usernameTb.Text.Trim());
if (user != null)
{
if (user.Position == PersonPosition.Manager || user.Position == PersonPosition.Admin)
{
if (user.Position == PersonPosition.Admin)
{
Users.admin = true;
}
string pass = DatabaseFunctions.PasswordByUsername(user.Username);
if (pass == passwordTb.Text)
{
loginPnl.Visible = false;
selectionPnl.Visible = true;
logOutBtn.Visible = true;
usernameTb.Text = "Username";
passwordTb.Text = "Password";
Users.Department = user.UserDepartment.Name;
}
else
{
MessageBox.Show("Incorrect password, please try again!");
}
}
else
{
MessageBox.Show("This Platform is only for managers!");
}
}
else
{
MessageBox.Show("No such user, please try again!");
}
}
private void DepartmentsForm_Load(object sender, EventArgs e)
{
this.StartPosition = FormStartPosition.CenterScreen;
try
{
DatabaseFunctions.GetAllDepartments();
foreach (var item in Departments.departments)
{
departmentsLb.Items.Add(item.Name);
}
}
catch (NoConnectionException)
{
MessageBox.Show("Connection unsuccessful, please restart", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
catch (NotExistingException)
{
MessageBox.Show("Department is non-existent, please restart", "Error", MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
AnimateWindow(this.Handle, 500, AnimateWindowFlags.AW_SLIDE);
}
public static void RemoveUser(User user)
{
DatabaseFunctions.RemoveUser(user);
DatabaseFunctions.GetAllUsers();
}
public static void UpdateUser(User user)
{
DatabaseFunctions.UpdateUser(user);
DatabaseFunctions.GetAllUsers();
}
public static void AddUser(User user, bool manager = false)
{
DatabaseFunctions.AddUser(user, manager);
DatabaseFunctions.GetAllUsers();
}
private void confirmBtn_Click(object sender, EventArgs e)
{
try
{
if (!string.IsNullOrWhiteSpace(firstNameTb.Text) && !string.IsNullOrWhiteSpace(lastNameTb.Text) &&
!string.IsNullOrWhiteSpace(emailTb.Text) && !string.IsNullOrWhiteSpace(salaryTb.Text))
{
if (shiftCb.SelectedIndex > 0 && departmentCb.SelectedIndex > 0 && roleCb.SelectedIndex > 0)
{
const string emailPattern =
"^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$";
Regex regex = new Regex(emailPattern);
if (regex.IsMatch(emailTb.Text))
{
string fn = firstNameTb.Text;
string ln = lastNameTb.Text;
string email = emailTb.Text;
string salaryStr = Regex.Replace(salaryTb.Text, "€", "");
double salary = double.Parse(salaryStr.Trim());
Department department = Departments.DepartmentByName(departmentCb.SelectedItem.ToString());
PersonPosition position = (PersonPosition)Enum.Parse(typeof(PersonPosition), roleCb.Text, true);
if ((position == PersonPosition.Manager && Users.admin) || (position != PersonPosition.Manager))
{
ShiftType type = (ShiftType)Enum.Parse(typeof(ShiftType), shiftCb.Text, true);
bool[] _days = new bool[7];
_days[0] = mondayCbx.Checked;
_days[1] = tuesdayCbx.Checked;
_days[2] = wednesdayCbx.Checked;
_days[3] = thursdayCbx.Checked;
_days[4] = fridayCbx.Checked;
_days[5] = saturdayCbx.Checked;
_days[6] = sundayCbx.Checked;
if (_edit)
{
_userToBeEdited.FirstName = fn;
_userToBeEdited.LastName = ln;
_userToBeEdited.Email = email;
_userToBeEdited.Position = position;
_userToBeEdited.Salary = salary;
_userToBeEdited.ShiftTypeU = type;
_userToBeEdited.WorkingDays = _days;
_userToBeEdited.UserDepartment = department;
Users.UpdateUser(_userToBeEdited);
}
else
{
if (position == PersonPosition.Manager)
{
Users.AddUser(new User(fn, ln, email, position, salary, type, _days, department), true);
}
else
{
Users.AddUser(new User(fn, ln, email, position, salary, type, _days, department));
}
}
DatabaseFunctions.GetAllUsers();
this.Close();
}
else
{
MessageBox.Show("Managers can be added just by admin profile!", "Error", MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
}
else
{
MessageBox.Show("Please, select a valid Email!", "Error", MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
}
else
{
MessageBox.Show("Choose valid shift!");
}
}
else
{
MessageBox.Show("Fill in the empty fields!");
}
}
catch (FormatException)
{
MessageBox.Show("Salary must be numeric!");
}
catch (NoConnectionException)
{
MessageBox.Show("Connection unsuccessful, please restart", "Error", MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
catch (NotExistingException)
{
MessageBox.Show("User is non-existent, please restart", "Error", MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
catch (UsernameErrorException)
{
MessageBox.Show("Error occured, when tried to generate username, please restart", "Error", MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
catch (IOException)
{
MessageBox.Show("Error loading resources, please restart", "Error", MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
}
private void btnGetProductStatistics_Click(object sender, EventArgs e)
{
lbStatistics.Items.Clear();
if (cbProductCategories.SelectedIndex > -1)
{
int categoryName = cbProductCategories.SelectedIndex;
double avgPrice = 0;
int productsInCategory = 0;
int restocks = 0;
//int[] categories = new int[9];
//DatabaseFunctions.GetAllProductsByCategory((ProductCategory)categoryName);
DatabaseFunctions.GetAllProducts();
Product mostRestocked = new Product("Bom", ProductCategory.COMPUTER, 2.2, 8, false);
foreach (Product product in Products.products)
{
if (product.Category == (ProductCategory)categoryName)
{
if (product.Quantity > restocks)
{
mostRestocked.Name = product.Name;
mostRestocked.Category = product.Category;
mostRestocked.Price = product.Price;
mostRestocked.Quantity = product.Quantity;
restocks = product.Quantity;
}
productsInCategory++;
avgPrice += product.Price;
//lbStatistics.Items.Add(product.ToString());
}
}
if (productsInCategory == 0)
{
lbStatistics.Items.Add($"There are {productsInCategory} products in this category.");
}
else
{
lbStatistics.Items.Add($"There are {productsInCategory} products in this category with average price of {(avgPrice / productsInCategory).ToString("C2", CultureInfo.CurrentCulture)}");
lbStatistics.Items.Add($"The most restocked product is: {mostRestocked.Name} Price: {mostRestocked.Price} Quantity: {mostRestocked.Quantity}");
}
}
else
{
double avgPrice = 0;
double mostExpensive = 0;
Product mostExpensiveP = new Product("Test", ProductCategory.COMPUTER, 2.2, 8, false);
DatabaseFunctions.GetAllProducts();
foreach (Product product in Products.products)
{
if (product.Price > mostExpensive)
{
mostExpensiveP.Name = product.Name;
mostExpensiveP.Category = product.Category;
mostExpensiveP.Price = product.Price;
mostExpensiveP.Quantity = product.Quantity;
mostExpensive = product.Price;
}
avgPrice += product.Price;
}
lbStatistics.Items.Add($"There are {Products.products.Count} products in total. The average price is {(avgPrice / Products.products.Count).ToString("C2", CultureInfo.CurrentCulture)}");
lbStatistics.Items.Add($"The most expensive product is: {mostExpensiveP.Name} Price: {mostExpensiveP.Price} Quantity: {mostExpensiveP.Quantity}");
}
}
private void btnEmployeeStatistics_Click(object sender, EventArgs e)
{
lbStatistics.Items.Clear();
if (cbEmployeeDepartment.SelectedIndex > -1)
{
string departmentName = cbEmployeeDepartment.SelectedItem.ToString();
double avgSalary = 0;
int[] shifts = new int[3];
int favouriteShift = 0;
Users.GetUsers(6, departmentName);
int employees = Users.requestedUsers.Count;
foreach (User user in Users.requestedUsers)
{
avgSalary += user.Salary;
if (user.ShiftTypeU == ShiftType.Day)
{
shifts[0]++;
}
else if (user.ShiftTypeU == ShiftType.Night)
{
shifts[1]++;
}
else if (user.ShiftTypeU == ShiftType.HalfDay)
{
shifts[2]++;
}
}
favouriteShift = shifts.Max();
int index = Array.IndexOf(shifts, favouriteShift);
lbStatistics.Items.Add($"The average salary for the department {departmentName} is: {(avgSalary / employees).ToString("C2", CultureInfo.CurrentCulture)}");
lbStatistics.Items.Add($"The favourite shift of employees is: {(ShiftType)index}");
}
else
{
double avgSalary = 0;
int[] shifts = new int[3];
int favouriteShift = 0;
DatabaseFunctions.GetAllUsers();
int employees = Users.requestedUsers.Count;
foreach (User user in Users.requestedUsers)
{
avgSalary += user.Salary;
if (user.ShiftTypeU == ShiftType.Day)
{
shifts[0]++;
}
else if (user.ShiftTypeU == ShiftType.Night)
{
shifts[1]++;
}
else if (user.ShiftTypeU == ShiftType.HalfDay)
{
shifts[2]++;
}
}
favouriteShift = shifts.Max();
int index = Array.IndexOf(shifts, favouriteShift);
lbStatistics.Items.Add($"The average salary for all the employees is: {(avgSalary / employees).ToString("C2", CultureInfo.CurrentCulture)}");
lbStatistics.Items.Add($"The most requested shift of all the employees is: {(ShiftType)index}");
}
}