// ====================================================================
// save to a file
// if filepath is not specified, read/save in AppData file
// ====================================================================
public void SaveToFile(String filepath = null)
{
// ---------------------------------------------------------------
// if file path not specified, set to last read file
// ---------------------------------------------------------------
if (filepath == null && DirName != null && FileName != null)
{
filepath = DirName + "\\" + FileName;
}
// ---------------------------------------------------------------
// just in case filepath doesn't exist, reset path info
// ---------------------------------------------------------------
_DirName = null;
_FileName = null;
// ---------------------------------------------------------------
// get filepath name (throws exception if it doesn't exist)
// ---------------------------------------------------------------
filepath = BudgetFiles.VerifyWriteToFileName(filepath, DefaultFileName);
// ---------------------------------------------------------------
// save as XML
// ---------------------------------------------------------------
_WriteXMLFile(filepath);
// ----------------------------------------------------------------
// save filename info for later use
// ----------------------------------------------------------------
_DirName = Path.GetDirectoryName(filepath);
_FileName = Path.GetFileName(filepath);
}
// ====================================================================
// populate categories from a file
// if filepath is not specified, read/save in AppData file
// ====================================================================
public void ReadFromFile(String filepath = null)
{
// ---------------------------------------------------------------
// reading from file resets all the current expenses,
// so clear out any old definitions
// ---------------------------------------------------------------
_Expenses.Clear();
// ---------------------------------------------------------------
// reset default dir/filename to null
// ... filepath may not be valid,
// ---------------------------------------------------------------
_DirName = null;
_FileName = null;
// ---------------------------------------------------------------
// get filepath name (throws exception if it doesn't exist)
// ---------------------------------------------------------------
filepath = BudgetFiles.VerifyReadFromFileName(filepath, DefaultFileName);
// ---------------------------------------------------------------
// read the expenses from the xml file
// ---------------------------------------------------------------
_ReadXMLFile(filepath);
// ----------------------------------------------------------------
// save filename info for later use?
// ----------------------------------------------------------------
_DirName = Path.GetDirectoryName(filepath);
_FileName = Path.GetFileName(filepath);
}
// ====================================================================
// populate categories from a file
// if filepath is not specified, read/save in AppData file
// ====================================================================
public void ReadFromFile(String filepath = null)
{
// ---------------------------------------------------------------
// reading from file resets all the current categories,
// ---------------------------------------------------------------
_Cats.Clear();
// ---------------------------------------------------------------
// reset default dir/filename to null
// ... filepath may not be valid,
// ---------------------------------------------------------------
_DirName = null;
_FileName = null;
// ---------------------------------------------------------------
// get filepath name (throws exception if it doesn't exist)
// ---------------------------------------------------------------
filepath = BudgetFiles.VerifyReadFromFileName(filepath, DefaultFileName);
// ---------------------------------------------------------------
// If file exists, read it
// ---------------------------------------------------------------
_ReadXMLFile(filepath);
_DirName = Path.GetDirectoryName(filepath);
_FileName = Path.GetFileName(filepath);
}
// ====================================================================
// save to a file
// ====================================================================
public void SaveToFile(String filepath)
{
// ---------------------------------------------------------------
// just in case filepath doesn't exist, reset path info
// ---------------------------------------------------------------
_DirName = null;
_FileName = null;
// ---------------------------------------------------------------
// get filepath name (throws exception if it doesn't exist)
// ---------------------------------------------------------------
filepath = BudgetFiles.VerifyWriteToFileName(filepath, "");
String path = Path.GetDirectoryName(Path.GetFullPath(filepath));
String file = Path.GetFileNameWithoutExtension(filepath);
String ext = Path.GetExtension(filepath);
// ---------------------------------------------------------------
// construct file names for expenses and categories
// ---------------------------------------------------------------
String expensepath = path + "\\" + file + "_expenses" + ".exps";
String categorypath = path + "\\" + file + "_categories" + ".cats";
// ---------------------------------------------------------------
// save the expenses and budgets into their own files
// ---------------------------------------------------------------
expenses.SaveToFile(expensepath);
categories.SaveToFile(categorypath);
// ---------------------------------------------------------------
// save filenames of expenses and categories to budget file
// ---------------------------------------------------------------
string[] files = { Path.GetFileName(categorypath), Path.GetFileName(expensepath) };
System.IO.File.WriteAllLines(filepath, files);
// ----------------------------------------------------------------
// save filename info for later use
// ----------------------------------------------------------------
_DirName = path;
_FileName = Path.GetFileName(filepath);
}
// ---------------------------------------------------------------
// Read
// ---------------------------------------------------------------
public void ReadFromFile(String budgetFileName)
{
// ---------------------------------------------------------------
// read the budget file and process
// ---------------------------------------------------------------
try
{
// get filepath name (throws exception if it doesn't exist)
budgetFileName = BudgetFiles.VerifyReadFromFileName(budgetFileName, "");
// If file exists, read it
string[] filenames = System.IO.File.ReadAllLines(budgetFileName);
// ----------------------------------------------------------------
// Save information about budget file
// ----------------------------------------------------------------
string folder = Path.GetDirectoryName(budgetFileName);
_FileName = Path.GetFileName(budgetFileName);
// read the expenses and categories from their respective files
categories.ReadFromFile(folder + "\\" + filenames[0]);
expenses.ReadFromFile(folder + "\\" + filenames[1]);
// Save information about budget file
_DirName = Path.GetDirectoryName(budgetFileName);
_FileName = Path.GetFileName(budgetFileName);
}
// ----------------------------------------------------------------
// throw new exception if we cannot get the info that we need
// ----------------------------------------------------------------
catch (Exception e)
{
throw new Exception("Could not read budget info: \n" + e.Message);
}
}