/// <summary>
/// Deletes roms from a folder
/// </summary>
/// <param name="args">The arguments</param>
/// <param name="messageHandler">The message handler.</param>
/// <exception cref="FileNotFoundException">Unable to find main CSV file</exception>
/// <exception cref="DirectoryNotFoundException">Unable to find selection folder {args.selection}</exception>
public async Task Delete(Actions.RomsAction args, IMessageHandler messageHandler)
{
messageHandler.Init("Deleting roms");
try {
// check files and folders
if (!File.Exists(args.main))
{
throw new FileNotFoundException("Unable to find main CSV file", args.main);
}
if (!Directory.Exists(args.selection))
{
throw new DirectoryNotFoundException($"Unable to find selection folder {args.selection}");
}
// read CSV file
var content = await csvService.ReadFile(args.main, false);
var total = content.Games.Count();
var i = 0;
var deleted = 0;
foreach (var f in content.Games)
{
if (messageHandler.MustCancel)
{
break;
}
i++;
// build vars
var game = f.Name;
var zip = $"{game}.zip";
var filePath = Path.Join(args.selection, zip);
messageHandler.Progress(game, total, i);
if (File.Exists(filePath))
{
File.Delete(filePath);
deleted++;
}
}
messageHandler.Done($"Deleted {deleted} file(s)", args.selection);
}
catch (Exception ex) {
messageHandler.Error(ex);
}
}
/// <summary>
/// Keeps only listed roms in a folder
/// </summary>
/// <param name="args">The arguments</param>
/// <param name="messageHandler">The message handler.</param>
/// <exception cref="FileNotFoundException">Unable to find main CSV file</exception>
/// <exception cref="DirectoryNotFoundException">Unable to find selection folder {args.selection}</exception>
public async Task Keep(Actions.RomsAction args, IMessageHandler messageHandler)
{
messageHandler.Init("Filtering roms");
try {
// check files and folders
if (!File.Exists(args.main))
{
throw new FileNotFoundException("Unable to find main CSV file", args.main);
}
if (!Directory.Exists(args.selection))
{
throw new DirectoryNotFoundException($"Unable to find selection folder {args.selection}");
}
// read CSV file
var content = await csvService.ReadFile(args.main, false);
// get list of files
var files = (new DirectoryInfo(args.selection)).GetFiles("*.zip");
var total = content.Games.Count();
var i = 0;
var deleted = 0;
// check if files exist in games list
foreach (var f in files)
{
if (messageHandler.MustCancel)
{
break;
}
i++;
messageHandler.Progress(f.Name, total, i);
if (!content.Games.Any(c => $"{c.Name}.zip" == f.Name))
{
File.Delete(f.FullName);
deleted++;
}
}
messageHandler.Done($"Deleted {deleted} files", args.selection);
}
catch (Exception ex) {
messageHandler.Error(ex);
}
}
/// <summary>
/// Copies roms
/// </summary>
/// <param name="args">The arguments</param>
/// <param name="messageHandler">The message handler.</param>
/// <exception cref="FileNotFoundException">Unable to find main CSV file</exception>
/// <exception cref="DirectoryNotFoundException">Unable to find romset folder {args.romset}</exception>
public async Task Add(Actions.RomsAction args, IMessageHandler messageHandler)
{
messageHandler.Init("Copying roms");
try {
// check files and folders
if (!File.Exists(args.main))
{
throw new FileNotFoundException("Unable to find main CSV file", args.main);
}
if (!Directory.Exists(args.romset))
{
throw new DirectoryNotFoundException($"Unable to find romset folder {args.romset}");
}
if (!Directory.Exists(args.selection))
{
Directory.CreateDirectory(args.selection);
}
// read CSV file
var content = await csvService.ReadFile(args.main, false);
var total = content.Games.Count();
var i = 0;
var copied = 0;
// copy each file found in CSV
foreach (var f in content.Games)
{
if (messageHandler.MustCancel)
{
break;
}
i++;
// build vars
var game = f.Name;
var zip = $"{game}.zip";
var sourceRom = Path.Join(args.romset, zip);
var destRom = Path.Join(args.selection, zip);
if (File.Exists(sourceRom))
{
var fi = new FileInfo(sourceRom);
messageHandler.Progress($"{game} ({FileSystem.HumanSize(fi.Length)})", total, i);
// copy rom
if (!File.Exists(destRom) || args.overwrite)
{
File.Copy(sourceRom, destRom, true);
copied++;
}
// try to copy chd if it can be found
var sourceChd = Path.Join(args.romset, game);
var targetChd = Path.Join(args.selection, game);
if (Directory.Exists(sourceChd))
{
if (messageHandler.MustCancel)
{
break;
}
messageHandler.Progress($"Copying {game} CHD ({FileSystem.HumanSize(FileSystem.DirectorySize(sourceChd))})", total, i);
FileSystem.DirectoryCopy(sourceChd, targetChd, args.overwrite, false);
}
}
}
messageHandler.Done($"Copied {copied} file(s)", args.selection);
}
catch (Exception ex) {
messageHandler.Error(ex);
}
}