/// <summary>
/// Used to instantiate a new item with the passed arguments
/// </summary>
/// <param name="itemID">The unique identifier for this item</param>
/// <param name="itemType">The type of item</param>
/// <param name="description">The item description</param>
/// <param name="price">The price of the item</param>
/// <param name="edition">The item edition</param>
/// <param name="quantity">The number of the item in stock</param>
/// <param name="conditionID">The unique identifier for the item condition</param>
public DBItem(int itemID, string itemType, string description, decimal price, byte edition, int quantity, int conditionID)
{
this.itemID = itemID;
this.itemType = itemType;
this.description = description;
this.price = price;
this.discount = this.GetDBDiscount();
this.edition = edition;
this.quantity = quantity;
this.conditionID = conditionID;
this.conditionType = this.GetDBConditionType();
this.ShowDiscount = true;
this.Tags = this.GetTags();
}
/// <summary>
/// Gets a discount associated with this item in the database
/// </summary>
/// <returns>The discount associated with this item</returns>
public DBItemDiscount GetDBDiscount()
{
DBItemDiscount discount;
string query = "SELECT discountAmount, startDate, endDate FROM itemDiscounts WHERE discountID = '" + this.GetItemID() + "' AND GETDATE() < endDate";
using (var conn = new SqlConnection(Properties.Settings.Default.Britannicus_DBConnectionString))
{
var command = new SqlCommand(query, conn);
conn.Open();
var reader = command.ExecuteReader();
if (reader.Read())
{
discount = new DBItemDiscount(this.GetItemID(), (decimal)reader["discountAmount"], (DateTime)reader["startDate"], (DateTime)reader["endDate"]);
}
else
{
discount = new DBItemDiscount(this.GetItemID(), -1, DateTime.Now, DateTime.Now);
}
}
return(discount);
}
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);
}
}