/// <summary>
/// Deletes files and directories scheduled for deletion by the settings provider.
/// </summary>
/// <param name="settings"><see cref="ISettingsProvider"/> managing the files and directories scheduled for deletion.</param>
/// <param name="provider"><see cref="IFileSystem"/> managing where the files and directories are located.</param>
/// <exception cref="ArgumentNullException">Thrown if <paramref name="settings"/> or <paramref name="provider"/> is null.</exception>
protected async Task DeleteScheduledFiles(ISettingsProvider settings, IFileSystem provider)
{
if (settings == null)
{
throw new ArgumentNullException(nameof(settings));
}
if (provider == null)
{
throw new ArgumentNullException(nameof(settings));
}
// Files
foreach (var item in settings.GetFilesScheduledForDeletion().ToList()) // Create a new list because the original will be continuously modified
{
if (CurrentFileSystem.FileExists(item))
{
CurrentFileSystem.DeleteFile(item);
}
CurrentSettingsProvider.UnscheduleFileForDeletion(item);
await CurrentSettingsProvider.Save(provider);
}
// Directories
foreach (var item in settings.GetDirectoriesScheduledForDeletion().ToList())
{
if (CurrentFileSystem.DirectoryExists(item))
{
CurrentFileSystem.DeleteDirectory(item);
}
CurrentSettingsProvider.UnscheduleDirectoryForDeletion(item);
await CurrentSettingsProvider.Save(provider);
}
}
void IFileSystem.DeleteDirectory(string path)
{
var fixedPath = FixPath(path);
if (!BlacklistedPaths.Contains(fixedPath))
{
BlacklistedPaths.Add(fixedPath);
}
var virtualPath = GetVirtualPath(path);
if (CurrentFileSystem != null && CurrentFileSystem.FileExists(virtualPath))
{
CurrentFileSystem.DeleteFile(virtualPath);
}
}