private PlayHistory LoadFromFile(string filename)
{
PlayHistory history = new PlayHistory();
if (File.Exists(filename))
{
StreamReader file = new StreamReader(filename);
history.SetKey(file.ReadLine());
string entry = file.ReadLine();
while (String.IsNullOrEmpty(entry) == false)
{
ProgramAndTime pair = ReadEntry(entry);
if (pair.IsActive)
{
history.AddEntry(pair);
}
entry = file.ReadLine();
}
history.Activate();
file.Close();
Console.WriteLine($"Loaded history details for {history.Key}");
}
else
{
Console.WriteLine("File not found: " + filename);
}
return(history);
}
private static ProgramAndTime ReadEntry(string entry)
{
ProgramAndTime pair = new ProgramAndTime();
string[] fields = entry.Split(',');
if (fields.Length == 2)
{
pair.programID = fields[0].Trim();
pair.playDate = DateTime.Parse(fields[1]);
}
return(pair);
}
private static void WriteEntry(ProgramAndTime pair, System.IO.StreamWriter file)
{
file.WriteLine($"{ pair.programID },{pair.playDate.ToShortDateString()} {pair.playDate.ToShortTimeString()}");
}
