/// <summary>
/// This method just adds a new Package object to the context and syncs it to the db.
/// </summary>
private void buttonAddDelivery_Click(object sender, EventArgs e)
{
BackgroundActivity backgroundAct = new BackgroundActivity();
try
{
context.Packages.Add(new Package
{
CustomerName = textBoxCustomerName.Text,
Address = richTextBoxAddress.Text,
AreaId = listBoxAreaNames.SelectedIndex + 1,
Weight = decimal.Parse(textBoxWeight.Text),
DeliveryDate = dateTimePickerDeliveryDate.Value,
StatusDelivered = false
//by default a new package is added as not delivered
});
//updating the driver earnings, areaId is the same as driverId
//our drivers get $10 per delivery
backgroundAct.UpdateDriverEarnings(listBoxAreaNames.SelectedIndex + 1);
}
catch (Exception ex)
{
MessageBox.Show("Please check input data and try again!");
}
context.SaveChanges();
MessageBox.Show("Delivery added successfully!");
this.Close();
}
/// <summary>
/// This method clears all tables in the db and then adds fresh data
/// from the given csv files, to bring back the db to initial state.
/// </summary>
private void ReloadData()
{
// reset ident for all tables
context.Database.ExecuteSqlCommand($"DBCC CHECKIDENT('Areas', RESEED, 0)");
context.Database.ExecuteSqlCommand($"DBCC CHECKIDENT('Drivers', RESEED, 0)");
context.Database.ExecuteSqlCommand($"DBCC CHECKIDENT('Packages', RESEED, 0)");
context.Database.ExecuteSqlCommand($"DBCC CHECKIDENT('Trucks', RESEED, 0)");
//clearing data in the tables
context.Areas.RemoveRange(context.Areas);
context.Drivers.RemoveRange(context.Drivers);
context.Packages.RemoveRange(context.Packages);
context.Trucks.RemoveRange(context.Trucks);
context.SaveChanges();
//creating blank lists for data
List <Area> areaList = new List <Area>();
List <Driver> driverList = new List <Driver>();
List <Package> packageList = new List <Package>();
List <Truck> truckList = new List <Truck>();
String tempLine;
BackgroundActivity backgroundAct = new BackgroundActivity();
//opening 'Data_Areas.csv' to populate areaList
try
{
StreamReader areaFile = File.OpenText("Data_Areas.csv");
while (!areaFile.EndOfStream)
{
tempLine = areaFile.ReadLine();
areaList.Add(new Area
{
AreaName = tempLine
});
}
areaFile.Close();
}
catch (FileNotFoundException ex)
{
MessageBox.Show("Error: Data_Areas.csv doesn't exist, contact DB admin.");
}
context.Areas.AddRange(areaList);
context.SaveChanges();
//opening 'Data_Drivers.csv' to populate driverList
try
{
StreamReader driverFile = File.OpenText("Data_Drivers.csv");
while (!driverFile.EndOfStream)
{
tempLine = driverFile.ReadLine();
string[] temp = tempLine.Split(',');
driverList.Add(new Driver
{
DriverName = temp[0],
TotalEarnings = decimal.Parse(temp[1])
});
}
driverFile.Close();
}
catch (FileNotFoundException ex)
{
MessageBox.Show("Error: Data_Drivers.csv doesn't exist, contact DB admin.");
}
context.Drivers.AddRange(driverList);
context.SaveChanges();
//opening 'Data_Trucks.csv' to populate truckList
try
{
StreamReader truckFile = File.OpenText("Data_Trucks.csv");
while (!truckFile.EndOfStream)
{
tempLine = truckFile.ReadLine();
string[] temp = tempLine.Split(',');
truckList.Add(new Truck
{
MaxLoad = decimal.Parse(temp[0]),
CurrentLoad = decimal.Parse(temp[1]),
AreaId = int.Parse(temp[2]),
DriverId = int.Parse(temp[3])
});
}
truckFile.Close();
}
catch (FileNotFoundException ex)
{
MessageBox.Show("Error: Data_Trucks.csv doesn't exist, contact DB admin.");
}
context.Trucks.AddRange(truckList);
context.SaveChanges();
//opening 'Data_Packages.csv' to populate packageList
try
{
StreamReader packageFile = File.OpenText("Data_Packages.csv");
while (!packageFile.EndOfStream)
{
tempLine = packageFile.ReadLine();
string[] temp = tempLine.Split(',');
//checking delivery status by date
bool packageDelivered = false;
if (DateTime.Parse(temp[4]).CompareTo(DateTime.Now) <= 0)
{
packageDelivered = true;
}
packageList.Add(new Package
{
CustomerName = temp[0],
Address = temp[1],
AreaId = int.Parse(temp[2]),
Weight = decimal.Parse(temp[3]),
DeliveryDate = DateTime.Parse(temp[4]),
StatusDelivered = packageDelivered
});
//updating the driver earnings, initially the areaId is the same as driverId
//our drivers get $10 per delivery
backgroundAct.UpdateDriverEarnings(int.Parse(temp[2]));
}
packageFile.Close();
}
catch (FileNotFoundException ex)
{
MessageBox.Show("Error: Data_Packages.csv doesn't exist, contact DB admin.");
}
context.Packages.AddRange(packageList);
context.SaveChanges();
//populating DataGridView
InitialiseDataGridView();
}
