/// <remarks>
/// This is overly optimistic (i.e. expects at least one photo per month),
/// but is mildly more straightforward than lazily creating folders as we go.
/// </remarks>
public async Task CreateFolderForEachMonth(FolderModel root)
{
var years = await _controller.GetFolders(root);
foreach (var year in years)
{
Console.WriteLine($"{year.Name}");
var folder = new FolderModel(year.Id, year.Name, root);
var months = await _controller.GetFolders(folder);
var missingMonths = ExpectedMonths.Except(months.Select(m => m.Name));
foreach (var month in missingMonths)
{
Console.WriteLine($"Creating {folder.FullName}/{month}");
await _controller.CreateFolder(month, folder);
}
}
}
public async Task <FolderModel> GetOrCreate(string fullPath)
{
await EnsureInitialized();
if (_foldersByPath.TryGetValue(fullPath, out var folder))
{
return(folder);
}
// "/root/Pictures/iPhone/2014/02" => ["2014", "02"]
// +1 for the trailing slash
var parts = fullPath.Substring(_root.FullName.Length + 1).Split(PathSeparator);
if (parts.Length == 0)
{
throw new ArgumentException("path has no parts");
}
FolderModel current = _root;
string path = _root.FullName;
for (int i = 0; i < parts.Length; i++)
{
path = path + PathSeparator + parts[i];
if (!_foldersByPath.ContainsKey(path))
{
Console.WriteLine($"Creating folder {parts[i]} at {current.FullName}");
var child = await _controller.CreateFolder(parts[i], current);
_foldersByPath[path] = child;
current = child;
}
else
{
current = _foldersByPath[path];
}
}
return(_foldersByPath[fullPath]);
}