private void CompleteSaleButton_Click(object sender, EventArgs e)
{
if (SystemProtocols.ApplyCartManagementProtocol(1, null, 0, null, 0).Count > 0)
{
// Requesting the creation of a new transaction
String message = SystemProtocols.ApplySalesTransactionProtocols(1, CreateSalesObject());
if (message == "SUCCESS")
{
MessageBox.Show("This transaction has been completed successfully!");
// Updating grids
PopulateProductDataGrid();
UpdateCartSummaryDataGrid();
}
else
{
MessageBox.Show("FATEL ERROR!"); // TODO: manage errors and exceptions
}
}
else
{
MessageBox.Show("Please add items to complete a purchase.");
}
}
/// <summary>
/// Funtion to add one or more selected products into the cart
/// </summary>
private void AddItemsToCart()
{
// Capturing the data of multiple selected products
foreach (DataGridViewRow row in productDataGridView.SelectedRows)
{
if (FormatToInt(row.Cells[10].Value.ToString()) > 0) // only works if the product in the inventory has atleast 1 unit in existence
{
Product product = new Product(); // creating new product
product.Id = row.Cells[0].Value.ToString(); // getting the selected product's id
product.Name = row.Cells[2].Value.ToString(); // getting the selected product's name
product.Brand = row.Cells[3].Value.ToString(); // getting the selected product's brand
product.Unit = row.Cells[5].Value.ToString(); // getting the selected product's unit
product.UnitPrice = FormatToDecimal(row.Cells[9].Value.ToString()); // getting the selected product's price
product.Quantity = quantityNumericUpDown.Value < FormatToInt(row.Cells[10].Value.ToString()) ? // getting the desired quantity of the selected product
(int)quantityNumericUpDown.Value : // the client desires less units than the limit in existence
FormatToInt(row.Cells[10].Value.ToString()); // the client wants all units in existence
// Adding product to cart or updating the amount of units of already added product
SystemProtocols.ApplyCartManagementProtocol(2, null, 0, product, FormatToInt(row.Cells[10].Value.ToString()));
}
}
// Updating numeric up down
quantityNumericUpDown.Value = 1;
quantityNumericUpDown.Maximum = 2;
UpdateCartSummaryDataGrid(); // updating the cart summary
}
/// <summary>
/// Function to populate the cart summary data grid
/// </summary>
private void UpdateCartSummaryDataGrid()
{
// Code needed to refresh the cart summary
cartSummaryDataGridView.DataSource = new List <Product>(); // reseting the datasource as a clean and empty list
cartSummaryDataGridView.Refresh(); // refreshing the data grid to clean any old information an update it with the new one
List <Product> summary = SystemProtocols.ApplyCartManagementProtocol(1, null, 0, null, 0); // fetching the cart
if (summary.Count() > 0)
{
cartSummaryDataGridView.DataSource = summary; // feeding the grid view with the new information on the cart summary
cartSummaryDataGridView.Refresh(); // refreshing the data grid to clean any old information an update it with the new one
// Hidding unnecessary fields
cartSummaryDataGridView.Columns["Id"].Visible = false;
cartSummaryDataGridView.Columns["Key"].Visible = false;
cartSummaryDataGridView.Columns["Brand"].Visible = false;
cartSummaryDataGridView.Columns["Supplier"].Visible = false;
cartSummaryDataGridView.Columns["Category"].Visible = false;
cartSummaryDataGridView.Columns["Type"].Visible = false;
cartSummaryDataGridView.Columns["UnitCost"].Visible = false;
cartSummaryDataGridView.Columns["MinimumQuantity"].Visible = false;
cartSummaryDataGridView.Columns["MaximumQuantity"].Visible = false;
cartSummaryDataGridView.Columns["RegisteredBy"].Visible = false;
cartSummaryDataGridView.Columns["RegistrationDate"].Visible = false;
cartSummaryDataGridView.Columns["ModifiedBy"].Visible = false;
cartSummaryDataGridView.Columns["ModificationDate"].Visible = false;
cartSummaryDataGridView.Columns["Discontinued"].Visible = false;
cartSummaryDataGridView.Columns["Total"].Visible = false;
// Formationg columns
cartSummaryDataGridView.Columns["Name"].Width = 180;
cartSummaryDataGridView.Columns["Unit"].Width = 50;
cartSummaryDataGridView.Columns["UnitPrice"].Width = 70;
cartSummaryDataGridView.Columns["Quantity"].Width = 80;
int quantity = 0; // variable to track the amount of items requested
decimal total = 0; // variable to track the total of the entire purchase
foreach (Product item in summary)
{
quantity += item.Quantity; // counting how many products are in the cart
total += item.UnitPrice; // calculating the total price
}
// publishing the purchase information of a full cart
numberLabel.Text = "Number of Item: " + quantity;
totalLabel.Text = "Total: $" + total.ToString("0.00");
}
else
{
// publishing the purchase information of an empty cart
numberLabel.Text = "Number of Item: 0";
totalLabel.Text = "Total: $0.00";
}
}
private void LogOutLabel_Click(object sender, EventArgs e)
{
// Executing correct log out processes
SystemProtocols.ApplyLogOutProtocols();
FormsMenuList.loginForm.Show();
SystemProtocols.ApplyCartManagementProtocol(3, null, 0, null, 0); // clearing the cart before logging out
// Closing form while freeing system resources
FormsMenuList.registerNewProduct.Dispose();
}
private void RemoveOneButton_Click(object sender, EventArgs e)
{
// Capturing the data of multiple selected products
foreach (DataGridViewRow row in cartSummaryDataGridView.SelectedRows)
{
// Removing one unit from a product in the cart
SystemProtocols.ApplyCartManagementProtocol(5, row.Cells[0].Value.ToString(), FormatToDecimal(row.Cells[9].Value.ToString()) / FormatToInt(row.Cells[10].Value.ToString()), null, 0);
}
UpdateCartSummaryDataGrid(); // updating the cart summary
}
private void RemoveItemButton_Click(object sender, EventArgs e)
{
// Capturing the data of multiple selected products
foreach (DataGridViewRow row in cartSummaryDataGridView.SelectedRows)
{
// Adding product to cart or updating the amount of units of already added product
SystemProtocols.ApplyCartManagementProtocol(4, row.Cells[0].Value.ToString(), 0, null, 0);
}
UpdateCartSummaryDataGrid(); // updating the cart summary
}
protected override void OnFormClosing(FormClosingEventArgs e)
{
base.OnFormClosing(e);
// Executing correct log out processes
SystemProtocols.ApplyLogOutProtocols();
FormsMenuList.loginForm.Show();
SystemProtocols.ApplyCartManagementProtocol(3, null, 0, null, 0); // clearing the cart before logging out
// Closing form while freeing system resources
FormsMenuList.registerNewProduct.Dispose();
}
private void LogOutLabel_Click(object sender, EventArgs e)
{
// Executing correct log out processes
SystemProtocols.ApplyLogOutProtocols();
FormsMenuList.loginForm.Show();
if (userInformationForm != null)
{
userInformationForm.Dispose(); // Closing Child
}
SystemProtocols.ApplyCartManagementProtocol(3, null, 0, null, 0); // clearing the cart before logging out
// Closing form while freeing system resources
FormsMenuList.usersRegistryForm.Dispose();
}
protected override void OnFormClosing(FormClosingEventArgs e)
{
base.OnFormClosing(e);
// Executing correct log out processes
SystemProtocols.ApplyLogOutProtocols();
FormsMenuList.loginForm.Show();
if (userInformationForm != null)
{
userInformationForm.Dispose(); // Closing Child
}
SystemProtocols.ApplyCartManagementProtocol(3, null, 0, null, 0); // clearing the cart before logging out
// Closing form while freeing system resources
FormsMenuList.usersRegistryForm.Dispose();
}
private void LogOutLabel_Click(object sender, EventArgs e)
{
// Executing correct log out processes
SystemProtocols.ApplyLogOutProtocols();
FormsMenuList.loginForm.Show();
if (timesheetChild != null)
{
timesheetChild.Dispose(); // disposing of child timesheet if open
}
if (salesRecordChild != null)
{
salesRecordChild.Dispose(); // disposing of child sales record if open
}
SystemProtocols.ApplyCartManagementProtocol(3, null, 0, null, 0); // clearing the cart before logging out
// Closing form while freeing system resources
FormsMenuList.reportsAnalyticsForm.Dispose();
}
private void ClearCartButton_Click(object sender, EventArgs e)
{
SystemProtocols.ApplyCartManagementProtocol(3, null, 0, null, 0); // clearing the cart
UpdateCartSummaryDataGrid(); // updating the cart summary
}