private IEnumerable <LauncherUpdaterItem> GetUpdaterItems(IEnumerable <IComponent> components)
{
if (components is null)
{
throw new ArgumentNullException(nameof(components));
}
var pendingComponents = components.ToList();
foreach (var pendingComponent in pendingComponents)
{
var item = new LauncherUpdaterItem();
var componentFilePath = pendingComponent.GetFilePath();
switch (pendingComponent.RequiredAction)
{
case ComponentAction.Keep:
continue;
case ComponentAction.Delete:
item.File = componentFilePath;
item.Destination = null;
break;
case ComponentAction.Update:
ComponentDownloadPathStorage.Instance.TryGetValue(pendingComponent, out var file);
item.File = file;
item.Destination = componentFilePath;
break;
}
item.BackupDestination = componentFilePath;
BackupManager.Instance.TryGetValue(pendingComponent, out var backup);
item.Backup = backup;
yield return(item);
}
var completedComponents = AllComponents.Except(pendingComponents).ToList();
foreach (var completedComponent in completedComponents)
{
if (completedComponent.RequiredAction == ComponentAction.Keep)
{
continue;
}
var item = new LauncherUpdaterItem {
BackupDestination = completedComponent.GetFilePath()
};
BackupManager.Instance.TryGetValue(completedComponent, out var backup);
if (!string.IsNullOrEmpty(backup))
{
item.Backup = backup;
}
yield return(item);
}
}