public string Load()
{
Bills = new List <Bill>();
if (!(File.Exists(PATH)))
{
return("Creating the bills file");
}
else
{
try
{
StreamReader input = new StreamReader(PATH);
string line = "";
do
{
line = input.ReadLine();
if (line != null)
{
Bill bill = new Bill();
string[] parts = line.Split('|');
//Bill lines
string[] billLines = parts[0].Split('$');
for (int i = 0; i < billLines.Length; i++)
{
string[] billLineParts =
billLines[i].Split('=');
//Product
string[] productsParts =
billLineParts[0].Split('·');
Product product = new Product();
product.Description = productsParts[0];
product.Price =
Convert.ToDouble(productsParts[1]);
product.ImagePath = productsParts[2];
product.Stock =
Convert.ToInt32(productsParts[3]);
product.MinimunStock =
Convert.ToInt32(productsParts[4]);
product.Code =
Convert.ToInt32(productsParts[5]);
product.Category = productsParts[6];
product.BuyPrice =
Convert.ToDouble(productsParts[7]);
//amount
int amount =
Convert.ToInt32(billLineParts[1]);
BillLine billLine =
new BillLine(product, amount);
bill.AddLine(billLine);
}
//Header
string[] headerParts = parts[1].Split('=');
//Other things
string[] otherParts = headerParts[0].Split('·');
int table = Convert.ToInt32(otherParts[0]);
int number = Convert.ToInt32(otherParts[1]);
string date = otherParts[2];
//User
string[] userParts = headerParts[1].Split('·');
User employee = new User();
employee.Name = userParts[0];
employee.Code = Convert.ToInt32(userParts[1]);
employee.ImagePath = userParts[2];
employee.Pass = userParts[3];
BillHeader billHeader =
new BillHeader(number, employee, table);
billHeader.Date = Convert.ToDateTime(date);
//Total
bill.Total = Convert.ToDouble(parts[2]);
bill.SubTotal = Convert.ToDouble(parts[3]);
bill.MoneyGiven = Convert.ToDouble(parts[4]);
bill.Change = Convert.ToDouble(parts[5]);
bill.Header = billHeader;
this.Add(bill);
}
} while (line != null);
input.Close();
}
catch (Exception e)
{
return("Error loading the bills file: "
+ e.Message);
}
}
return("");
}
public void Add(Bill bill)
{
Bills.Add(bill);
}