public void readSalesFile(SalesCollection salesCollection)
{
if (File.Exists(salesLogFile))
{
using (StreamReader fileReader = new StreamReader(salesLogFile))
{
while (!fileReader.EndOfStream)
{
string line = fileReader.ReadLine();
string[] splitline = line.Split(',');
SalesPerson person = new SalesPerson()
{
ID = splitline[0], Name = splitline[1], Amount = double.Parse(splitline[2])
};
salesCollection.AddRecord(person);
}
}
}
}
private void btnIDFind_Click(object sender, EventArgs e)
{
errProvider.Clear();
if (txtFindID.Text == string.Empty)
{
errProvider.SetError(txtFindID, "Input Required");
}
else
{
SalesPerson person = salesList.FindSale(txtFindID.Text);
if (person != null)
{
txtID.Text = person.ID;
txtName.Text = person.Name;
txtAmount.Text = $"{person.Amount}";
}
else
{
MessageBox.Show("Record not found", "Find");
}
}
}
private void btnAddSave_Click(object sender, EventArgs e)
{
errProvider.Clear();
//use save state to determine what happpens with the form
if (isSaveState)
{
if (ValidateData())
{
SalesPerson person = new SalesPerson()
{
ID = txtID.Text, Name = txtName.Text, Amount = double.Parse(txtAmount.Text)
};
try
{
//add the record an clear necessary fields
salesList.AddRecord(person);
txtID.Items.Add(person.ID);
txtName.Text = string.Empty;
txtAmount.Text = string.Empty;
isSaveState = SwitchState(isSaveState);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error");
}
}
}
else
{
//switch to save state if not in save mode
isSaveState = SwitchState(isSaveState);
clearFields();
}
}
public void AddRecord(SalesPerson person)
{
salesList.Add(person.ID, person);
}