private void btnAddBoMItem_Click(object sender, EventArgs e)
{
if (tbxAddBoMItem.Text != "")
{
// Create a new BoMItem
BoMItem newBoMItem = new BoMItem(tbxAddBoMItem.Text, 1);
// Get a list of the selected products
List <Product> selectedProducts = lbxProducts.SelectedItems.Cast <Product>().ToList();
// Loop through each selected Product
foreach (Product selectedProduct in selectedProducts)
{
bool added = false;
// Loop through each BoMItem in each selected product
foreach (BoMItem bomItem in selectedProduct.BomItems)
{
// If the new BoMItem matches any of the ones from the selected products
// then increment it instead of adding it
if (bomItem.ProductCode == newBoMItem.ProductCode)
{
bomItem.Quantity = Math.Max(0, bomItem.Quantity) + 1;
added = true;
}
}
// If the selected product doesn't already have the BoMItem, then add it
if (!added)
{
selectedProduct.BomItems.Add(newBoMItem);
}
}
}
}
/// <summary>
/// Loads a TradeVine BoM CSV into a list of Products
/// </summary>
/// <param name="fn">A string containing the filename of the CSV to load</param>
/// <returns>A list of products extracted from the CSV file</returns>
private List <Product> LoadCSV(string fn)
{
// Create a temporary list of products
List <Product> newProducts = new List <Product>();
// Try to open the CSV
try
{
// Open the file with a StreamReader
StreamReader sr = new StreamReader(fn);
// Loop through the file one line at a time
while (!sr.EndOfStream)
{
// Read the line of text as a record
string record = sr.ReadLine();
// Split the record into cells at the ,
string[] recordCells = record.Split(',');
if (recordCells.Count() != 4)
{
MessageBox.Show("CSV File has the incorrect number of collumns. Please make sure the file has the following collumns:\n\nBoM Product Code\nBoM Component Product Code\nBoM Component Quantity\nBoM Remove", "Invalid format");
break;
}
// Ignore the header
if (recordCells[0] != "BoM Product Code")
{
// Create a new BoMItem from the cells in the record
BoMItem bomItem = new BoMItem(recordCells[1], (recordCells[3] == "Yes") ? -1 : Convert.ToInt32(recordCells[2]));
// Placeholder variable that determines whether this BoMItem was added to an
// existing product or needs to be added to a new one
bool addToNew = true;
// Loop through all of the products to see if the product this BoM item belongs
// to already exists
foreach (Product p in newProducts)
{
// Check the ProductCode with the first cell in the record
if (p.ProductCode == recordCells[0])
{
// If the product this BoMItem belongs to already exists, then add the
// BoMItem to that product
p.BomItems.Add(bomItem);
// Indicate that we don't need to add this BoMItem to a new product
addToNew = false;
// Break the foreach loop as there should be only one of each product
// in the list of new products
break;
}
}
// If the BoMItem needs to be added to a new product
if (addToNew)
{
// Create the product
Product newProduct = new Product(recordCells[0], new List <BoMItem>());
// Add the BoMItem to the new product
newProduct.BomItems.Add(bomItem);
// Add the new product to the newProducts list
newProducts.Add(newProduct);
}
}
}
sr.Close();
currentFile = fn;
}
catch
{
MessageBox.Show("There was an error opening the file. Please make sure you have permission to access the file, and that the file is not already in use by another program");
}
// Return the list of new products
return(newProducts);
}