public void ReturnItem(ItemForRent item, int quantity)
{
if (item is ItemForRent)
{
if (borrowings.ContainsKey(item) && borrowings[item] >= quantity)
{
borrowings[item] -= quantity;
if (borrowings[item] == 0)
{
borrowings.Remove(item);
}
//item.AddToStock(quantity);
}
else if (!borrowings.ContainsKey(item))
{
throw new LatitudeException("Item not in borrowings");
}
else
{
throw new LatitudeException("Quantity input exceeds actual borrowing quantity");
}
}
else
{
throw new LatitudeException("Selected item is not for rent");
}
}
internal void BorrowItem(ItemForRent item, int quantity)
{
if (borrowings.ContainsKey(item))
{
borrowings[item] += quantity;
}
else
{
borrowings.Add(item, quantity);
}
}
public void InsertNewFine(Visitor v, ItemForRent item, int quantity)
{
string sql = $"insert into returned_item (ticketNr, sku, quantity, returnDate, paidFine) values ({v.TicketNr}, {item.Sku}, {quantity}, null, {item.CostPerUnit * quantity} )";
try
{
myDataHelper.OpenConnection();
myDataHelper.ExecuteQueries(sql);
}
catch
{
return;
}
finally
{
myDataHelper.CloseConnection();
}
}
public void InsertNewReturn(Visitor v, ItemForRent item, int quantity)
{
string sql = $"start transaction; insert into returned_item (ticketNr, sku, quantity, returnDate) values ({v.TicketNr}, {item.Sku}, {quantity}, '{DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss")}'); ";
sql += $"update item set quantity_in_stock = {item.QuantityInStock} where sku = {item.Sku}; commit;";
try
{
myDataHelper.OpenConnection();
myDataHelper.ExecuteQueries(sql);
}
catch
{
return;
}
finally
{
myDataHelper.CloseConnection();
}
}
public double PayFine(ItemForRent item, int quantity)
{
if (item is ItemForRent)
{
if (borrowings.ContainsKey(item) && borrowings[item] >= quantity)
{
double amount = item.CostPerUnit * quantity;
if (amount <= balance)
{
balance -= amount;
borrowings[item] -= quantity;
if (borrowings[item] == 0)
{
borrowings.Remove(item);
}
return(amount);
}
else
{
throw new LatitudeException(string.Format("Balance is not enough. Fine (€{0:0.00}) has not been paid", amount));
}
}
else if (!borrowings.ContainsKey(item))
{
throw new LatitudeException("Item not in borrowings");
}
else
{
throw new LatitudeException("Quantity input exceeds actual borrowing quantity");
}
}
else
{
throw new LatitudeException("Selected item is not for rent");
}
}
private List <EventItem> GetEventItems()
{
string sql = "SELECT * FROM item left join item_for_rent on item.sku = item_for_rent.sku left join item_for_sale on item.sku = item_for_sale.sku";
List <EventItem> temp = new List <EventItem>();
try
{
myDataHelper.OpenConnection();
MySqlDataReader reader = myDataHelper.DataReader(sql);
EventItem item;
while (reader.Read())
{
if (reader["type"].ToString() == "for rent")
{
item = new ItemForRent(reader["name"].ToString(), Convert.ToInt32(reader["sku"]), reader["imgPath"].ToString(),
Convert.ToDouble(reader["costPerUnit"]), Convert.ToInt32(reader["quantity_in_stock"]), Convert.ToInt32(reader["quantity_min"]),
Convert.ToDouble(reader["rentingFee"]));
}
else
{
SaleType st;
if (reader["forSaleType"].ToString() == "drink")
{
st = SaleType.Drink;
}
else if (reader["forSaleType"].ToString() == "food")
{
st = SaleType.Food;
}
else
{
st = SaleType.Souvenir;
}
bool isSuitable;
if (Convert.ToInt32(reader["isSuitableForVM"]) == 1)
{
isSuitable = true;
}
else
{
isSuitable = false;
}
item = new ItemForSale(reader["name"].ToString(), Convert.ToInt32(reader["sku"]), reader["imgPath"].ToString(),
Convert.ToDouble(reader["costPerUnit"]), Convert.ToInt32(reader["quantity_in_stock"]), Convert.ToInt32(reader["quantity_min"]),
Convert.ToDouble(reader["sellingPrice"]), st, isSuitable);
}
temp.Add(item);
}
return(temp);
}
catch
{
return(null);
}
finally
{
myDataHelper.CloseConnection();
}
}