private void DisplayPackages()
{
int rows;
decimal basePrice, agencyCom;
decimal subTotal = 0;
try
{
packageList = PackageDB.GetPackages();
packageDataGridView.DataSource = packageList; // bind the grid view to the Package list
rows = packageList.Count;
for (int i = 0; i < rows; i++)
{
basePrice = (decimal)packageDataGridView.Rows[i].Cells["dataGridViewTextBoxColumn6"].Value;
agencyCom = (decimal)packageDataGridView.Rows[i].Cells["dataGridViewTextBoxColumn7"].Value;
subTotal = basePrice + agencyCom;
packageDataGridView.Rows[i].Cells["PkgSubTotal"].Value = subTotal;
}
}
catch (Exception ex)
{
MessageBox.Show("Error while retrieving packages: " + ex.Message,
ex.GetType().ToString());
}
}
/// <summary>
/// Show edit form
/// </summary>
/// @author Harry
private void btnEdit_Click(object sender, EventArgs e)
{
// get a copy of the current order
Package oldPkg = packages[pkgPos].Clone();
frmEditPkg updatePkg = new frmEditPkg();
// set new and old packages on update form
updatePkg.oldPkg = oldPkg;
updatePkg.newPkg = packages[pkgPos];
// show package edit form
DialogResult editPkgResult = updatePkg.ShowDialog();
if (editPkgResult == DialogResult.OK) // edit accepted
{
// re-gather packages from DB
packages = PackageDB.GetPackages();
ShowPackages();
}
else if (editPkgResult == DialogResult.Abort) // concurrency issue
{
packages[pkgPos] = oldPkg;
MessageBox.Show("Edit aborted. Another user has modified or deleted that package.", "Edit Abort");
}
else // edit cancelled
{
// set back to un-edited package
packages[pkgPos] = oldPkg;
}
}
private void btnAddPackage_Click(object sender, EventArgs e)
{
DialogResult result = new DialogResult();
if (txtDesc.Text == "")
{
MessageBox.Show("Package Description is a required field. Please fill in.");
result = DialogResult.Retry;
}
if (txtPrice.Text == "" || txtCommission.Text == "" || Convert.ToDouble(txtPrice.Text) < Convert.ToDouble(txtCommission.Text))
{
MessageBox.Show("The Agency Commission cannot be larger than the Base Price of the package.");
result = DialogResult.Retry;
}
if (txtStart.Text == "" || txtCommission.Text == "" || Convert.ToDateTime(txtStart.Text) >= Convert.ToDateTime(txtEnd.Text))
{
MessageBox.Show("The Start Date must be an earlier date than the End Date.");
result = DialogResult.Retry;
}
if (result != DialogResult.Retry)
{
Package pkg = new Package();
pkg.PkgAgencyCommission = Convert.ToDouble(txtCommission.Text);
pkg.PkgBasePrice = Convert.ToDouble(txtPrice.Text);
pkg.PkgDesc = txtDesc.Text.ToString();
pkg.PkgEndDate = Convert.ToDateTime(txtEnd.Text);
pkg.PkgName = txtPackageName.Text.ToString();
pkg.PkgStartDate = Convert.ToDateTime(txtStart.Text);
TravelExpertData.PackageDB.AddPackage(pkg);
lblAddPkg.Text = "Package Added Successfully";
packageDataGridView.DataSource = PackageDB.GetPackages();
}
}
private void GetHomePageInfo()
{
List <int> duration = new List <int>();
List <decimal> subCost = new List <decimal>();
int rows, rowDuration, minDuration, maxDuration;
decimal minBasePrice, maxBasePrice, rowSubCost;
subTotalChecked = checkBox1.Checked;
packageList = PackageDB.GetPackages();
rows = packageList.Count;
txtPackageCount.Text = rows.ToString();
if (subTotalChecked)
{
for (int i = 0; i < rows; i++)
{
rowSubCost = (decimal)packageList[i].PkgBasePrice + (decimal)packageList[i].PkgAgencyCommission;
subCost.Add(rowSubCost);
}
minBasePrice = subCost.Min();
txtMinBasePrice.Text = minBasePrice.ToString("c");
maxBasePrice = subCost.Max();
txtMaxBasePrice.Text = maxBasePrice.ToString("c");
}
else
{
minBasePrice = packageList.Min(r => r.PkgBasePrice);
txtMinBasePrice.Text = minBasePrice.ToString("c");
maxBasePrice = packageList.Max(r => r.PkgBasePrice);
txtMaxBasePrice.Text = maxBasePrice.ToString("c");
}
for (int i = 0; i < rows; i++)
{
rowDuration = (int)((DateTime)packageList[i].PkgEndDate - (DateTime)packageList[i].PkgStartDate).TotalDays;
duration.Add(rowDuration);
}
minDuration = duration.Min();
txtMinDuration.Text = minDuration.ToString();
maxDuration = duration.Max();
txtMaxDuration.Text = maxDuration.ToString();
supplierList = SupplierDB.GetSuppliers();
txtTotalNumSuppliers.Text = supplierList.Count.ToString();
engagedSuppliers = SupplierDB.GetEngagedSuppliers();
txtEngagedSuppliers.Text = engagedSuppliers.Count.ToString();
productList = ProductDB.GetProducts();
txtTotalNumProducts.Text = productList.Count.ToString();
engagedProducts = ProductDB.GetEngagedProducts();
txtEngagedProducts.Text = engagedProducts.Count.ToString();
}
// user typing in search bar
private void txtSearchPackage_KeyUp(object sender, KeyEventArgs e)
{
// get search
string search = txtSearchPackage.Text.Trim();
// get products filtered by search
int packageId = 0;
List <Package> packages = PackageDB.GetPackages(packageId, search);
// update binding source
packageBindingSource.DataSource = packages;
}
protected void Page_Load(object sender, EventArgs e)
{
if (Session["CustEmail"] == null || Session["CustFirstName"] == null)
{
Session.Clear();
Response.Redirect("Login.aspx");
}
string CustEmail = Session["CustEmail"].ToString();
if (!IsPostBack)
{
List <Packages> myPackageList = new List <Packages>();
myPackageList = PackageDB.GetPackages(CustEmail);
GridView1.DataSource = myPackageList;
GridView1.DataBind();
}
}
/// <summary>
/// Show add form
/// </summary>
/// @author Harry
private void btnAddPkg_Click(object sender, EventArgs e)
{
frmAddPkg addPkg = new frmAddPkg();
// show add new package form
DialogResult addPkgResult = addPkg.ShowDialog();
if (addPkgResult == DialogResult.OK)
{
// set view to new package
packages = PackageDB.GetPackages();
pkgPos = packages.Count - 1;
ShowPackages();
// access products and suppliers associated with current package
PackageDB.GetPackageProducts(packages[pkgPos].PackageId, out pkgProducts, out pkgProdSupps);
ShowPkgProducts(pkgProducts, pkgProdSupps);
}
}
// delete Package
private void btnDeletePackage_Click(object sender, EventArgs e)
{
// get selected package
int packageId = Convert.ToInt32(cmbPackageId.Text);
List <Package> packageList = PackageDB.GetPackages(packageId);
Package package = packageList.First();
// confirm to delete
DialogResult result = MessageBox.Show("Delete Package " + package.PackageId + "?",
"Confirm Delete", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (result == DialogResult.Yes)
{
try
{
// get current product suppliers
List <int> productSupplierIds = new List <int>();
foreach (var product in ProductsInPackageDB.GetProductsFromPackage(packageId))
{
productSupplierIds.Remove(product.ProductSupplierId);
}
// delete products suppliers linked to package
Packages_products_suppliersDB.Delete(packageId);
foreach (DataGridViewRow item in this.grdProductList.SelectedRows)
{
grdProductList.Rows.RemoveAt(item.Index);
}
// delete package
PackageDB.DeletePackage(package);
MessageBox.Show("Package " + packageId + " deleted successfully");
tabPackageList.SelectTab(0); // go back to list view
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
}
// Load data for main form (first tab - Packages).
private void loadMainFormData()
{
try
{
// access packages from db in thread (ASYNCHRONOUS) - Probably uneccessary
/*Thread pkgWork = new Thread(() =>
* Thread pkgWork = new Thread(() =>
* {
* packages = PackageDB.GetPackages();
* });
*
* // access all products from db in thread
* Thread prodWork = new Thread(() =>
* {
* products = ProductsDB.GetAllProducts();
* });
*
* pkgWork.Start();
* prodWork.Start();
*
* pkgWork.Join();
* prodWork.Join();*/
packages = PackageDB.GetPackages();
products = ProductsDB.GetAllProducts();
// access products and suppliers associated with current package
PackageDB.GetPackageProducts(packages[pkgPos].PackageId, out pkgProducts, out pkgProdSupps);
ShowPackages();
ShowAllProducts();
ShowPkgProducts(pkgProducts, pkgProdSupps);
}
catch (Exception ex)
{
MessageBox.Show("Error while loading data.\n\n" + ex.Message,
ex.GetType().ToString());
}
}
// GET: Packages
public ActionResult Packages()
{
packages = PackageDB.GetPackages();
return(View(packages));
}
private void productsDataGridView_CellContentClick(object sender, DataGridViewCellEventArgs e)
{
if (e.ColumnIndex == PRODUCT_EDIT)
{
productsDataGridView.DataSource = ProductDB.GetProducts();
Products oldProd = prodList[e.RowIndex].CopyProduct();
UpdateProducts updateForm = new UpdateProducts();
updateForm.newProd = prodList[e.RowIndex]; //passing the current customer to the form
updateForm.oldProd = oldProd;
DialogResult result = updateForm.ShowDialog(); //display modal second form
if (result == DialogResult.OK) //Update Accepted
{
//refresh the grid view
CurrencyManager cm = (CurrencyManager)productsDataGridView.BindingContext[PackageDB.GetPackages()];
cm.Refresh();
}
else//Update cancelled
{
prodList[e.RowIndex] = oldProd; //revert to old customer data
}
}
}
private void btnRefreshPack_Click(object sender, EventArgs e)
{
packageDataGridView.DataSource = PackageDB.GetPackages();
}
private void packageDataGridView_CellContentClick(object sender, DataGridViewCellEventArgs e)
{
if (e.ColumnIndex == EDIT_BUTTON)
{
Package oldPack = packList[e.RowIndex].CopyPackage();
UpdatePackage updateForm = new UpdatePackage();
//updateForm.newPack = packList[e.RowIndex]; //passing the current customer to the form
//updateForm.oldPack = oldPack;
updateForm.DataBindings.Add("dataMember", packList[e.RowIndex], "DepartureFltId", true);
DialogResult result = updateForm.ShowDialog(); //display modal second form
if (result == DialogResult.OK) //Update Accepted
{
//refresh the grid view
CurrencyManager cm = (CurrencyManager)packageDataGridView.BindingContext[PackageDB.GetPackages()];
cm.Refresh();
}
else//Update cancelled
{
packList[e.RowIndex] = oldPack; //revert to old customer data
}
}
}
// update Package
private void btnUpdate_Click(object sender, EventArgs e)
{
// check all input values
if (IsValidData())
{
// check if package end date is greater than start date
if (txtPkgStart.Value > txtPkgEnd.Value || txtPkgStart.Value == txtPkgEnd.Value)
{
MessageBox.Show("End Date should be greater than Start Date. Please choose a valid date.", "Input Error");
}
else
{
// check if price is greater than commission
if (Convert.ToDouble(txtPkgCommission.Text) > Convert.ToDouble(txtPkgPrice.Text))
{
MessageBox.Show("Commission cannot be greater than the Base Price. Please enter a valid amount.", "Input Error");
}
else
{
// get current package from database
if (cmbPackageId.Text == "")
{
return;
}
int packageId = Convert.ToInt32(cmbPackageId.Text);
List <Package> oldPackageList = PackageDB.GetPackages(packageId);
Package oldPackage = oldPackageList.First();
// set new values
Package newPackage = new Package();
newPackage.PackageId = packageId;
this.PutPackageData(newPackage);
// save package
try
{
package = newPackage;
PackageDB.UpdatePackage(oldPackage, newPackage);
// get current product suppliers
List <int> productSupplierIds = new List <int>();
foreach (var product in ProductsInPackageDB.GetProductsFromPackage(packageId))
{
productSupplierIds.Add(product.ProductSupplierId);
}
// delete products suppliers linked to package
Packages_products_suppliersDB.Delete(packageId);
// add products supliers to package
List <ProductsInPackage> productsInPackages = (List <ProductsInPackage>)productsInPackageBindingSource.DataSource;
foreach (var productsInPackage in productsInPackages)
{
Packages_products_suppliersDB.Add(packageId, productsInPackage.ProductSupplierId);
}
MessageBox.Show("Changes saved for Package ID " + packageId);
tabPackageList.SelectTab(0); // go back to list view
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
}
}
}
// go back to list
private void btnBackList_Click(object sender, EventArgs e)
{
tabPackageList.SelectTab(0);
this.packages = PackageDB.GetPackages();
packageBindingSource.DataSource = this.packages;
}
public Package package; // current package
public frmMain()
{
this.packages = PackageDB.GetPackages();
InitializeComponent();
}
