public override Invoice CreateEntry(Invoice newValue)
{
if (newValue.Id != -1)
{
throw new ArgumentException("Invalid invoice entry creation, Id is already set.");
}
else if (newValue.Client == null)
{
throw new ArgumentException("Invalid invoice entry creation, client has not been set.");
}
using (var command = new SqliteCommand())
{
string insertQuery = $"INSERT INTO {TableName} ({string.Join(", ", Enum.GetNames(typeof(Columns)).Skip(1))})"
+ "VALUES (@CreationDate, @Note, @ClientID, @InvoiceDate, @Type, @Paid, @DueDate);";
command.CommandText = insertQuery;
SetParameters(command, newValue);
command.Parameters.Add(new SqliteParameter("@CreationDate", DbType.DateTime)
{
Value = newValue.CreationDate
});
newValue.Id = DBService.InsertValue(command);
}
AllItems.Add(newValue);
foreach (var item in newValue.Items)
{
item.InvoiceId = newValue.Id;
ItemsService.CreateEntry(item);
}
foreach (var payment in newValue.Payments)
{
payment.InvoiceId = newValue.Id;
PaymentsService.CreateEntry(payment);
}
return(newValue);
}
public override bool UpdateEntry(Invoice updatedValue)
{
bool invoiceUpdated, itemsUpdated = true, paymentsUpdated = true;
using (var command = new SqliteCommand())
{
string updateQuery = $"UPDATE {TableName} SET ClientID=@ClientID, InvoiceDate=@InvoiceDate, Type=@Type, Paid=@Paid, DueDate=@DueDate, Note=@Note"
+ " WHERE InvoiceID=@InvoiceID;";
command.CommandText = updateQuery;
SetParameters(command, updatedValue);
command.Parameters.Add(new SqliteParameter("@InvoiceID", DbType.Int32)
{
Value = updatedValue.Id
});
invoiceUpdated = DBService.UpdateValue(command);
}
foreach (var item in updatedValue.Items)
{
itemsUpdated = itemsUpdated &&
(item.Id >= 0) ? ItemsService.UpdateEntry(item) : ItemsService.CreateEntry(item).Id >= 0;
}
foreach (var payment in updatedValue.Payments)
{
paymentsUpdated = paymentsUpdated &&
(payment.Id >= 0) ? PaymentsService.UpdateEntry(payment) : PaymentsService.CreateEntry(payment).Id >= 0;
}
return(invoiceUpdated && itemsUpdated && paymentsUpdated);
}