private void BtnUpdate_Click(object sender, EventArgs e)
{
MasterForm master = (this.Parent.Parent as MasterForm);
try
{
//Input data gathered here to improve readability and centralize any processing
//that needs to be done before insertion
int itemID = (int)this.nudItemID.Value;
decimal price = this.nudPrice.Value;
string publisher = this.txtPublisher.Text.Trim();
string title = this.txtTitle.Text.Trim();
string authorFirst = this.txtAuthorFirst.Text.Trim();
string authorLast = this.txtAuthorLast.Text.Trim();
string location = this.txtLocation.Text.Trim();
string companyName = this.txtCompanyName.Text.Trim();
DateTime publishDate = this.dtpPublishDate.Value;
int year = (int)this.nudYear.Value;
int genreID = (int)this.cbxGenre.SelectedValue;
int conditionID = this.tkbCondition.Value;
int quantity = (int)this.nudQuantity.Value;
int edition = (int)this.nudEdition.Value;
decimal discountPrice = this.nudDiscountPrice.Value;
DateTime discountFrom = this.dtpDiscountFrom.Value;
DateTime discountTo = this.dtpDiscountTo.Value;
string status = "";
switch (cbxItemType.SelectedValue)
{
case 1:
if (String.IsNullOrEmpty(status = DBBook.Validate(price, title, authorFirst, authorLast, publisher, publishDate)))
{
if (DBBook.UpdateBook(itemID, title, price, edition, genreID, authorFirst, authorLast, publisher, publishDate,
conditionID, quantity))
{
status = "Book " + title + " has been saved." + Environment.NewLine;
}
}
break;
case 2:
if (String.IsNullOrEmpty(status = DBMap.Validate(price, location, year, publisher)))
{
if (DBMap.UpdateMap(itemID, location, price, edition, publisher, year, conditionID, quantity))
{
status = "Map " + location + " has been saved." + Environment.NewLine;
}
}
break;
case 3:
if (String.IsNullOrEmpty(status = DBPeriodical.Validate(price, title, companyName, publishDate)))
{
if (DBPeriodical.UpdatePeriodical(itemID, title, price, edition, companyName, genreID, publishDate, conditionID,
quantity))
{
status = "Periodical " + title + " has been saved." + Environment.NewLine;
}
}
break;
}
if (quantity < Cart.Invoice.GetQuantityBeingSold(itemID))
{
status += "Quantity cannot be less than the amount of the item currently being sold" + Environment.NewLine;
}
else
{
for (var i = 0; i < Cart.Invoice.Transactions.Count; i++)
{
if (Cart.Invoice.Transactions[i].ItemID == itemID)
{
Cart.Invoice.Transactions[i].SetItemStock(quantity);
}
}
}
if (DBItem.UpdateItemTags(itemID, DBControlHelper.GetValuesFromCheckedControls(this.tlpTagSelection)))
{
status += "Item tags have been saved." + Environment.NewLine;
}
if (this.chkSetupDiscountTitle.Checked)
{
string discountError = DBItemDiscount.Validate(discountPrice, discountFrom, discountTo);
if (String.IsNullOrEmpty(discountError))
{
if (DBItem.SaveDiscount(itemID, discountPrice, discountFrom, discountTo))
{
status += "Discount has been saved." + Environment.NewLine;
}
}
else
{
status += discountError;
}
}
master.SetStatus(status);
}
catch (Exception ex)
{
master.SetStatus("Error! Update failed: " + ex.Message);
}
}
