public static async Task MustMoveToValidFolder(this AssetFolderOperation operation, DomainId parentId)
{
// If moved to root folder or not moved at all, we can just skip the validation.
if (parentId == DomainId.Empty || parentId == operation.Snapshot.ParentId)
{
return;
}
var assetQuery = operation.Resolve <IAssetQueryService>();
var path = await assetQuery.FindAssetFolderAsync(operation.App.Id, parentId);
if (path.Count == 0)
{
operation.AddError(T.Get("assets.folderNotFound"), nameof(MoveAssetFolder.ParentId));
}
else if (operation.CommandId != DomainId.Empty)
{
var indexOfSelf = path.IndexOf(x => x.Id == operation.CommandId);
var indexOfParent = path.IndexOf(x => x.Id == parentId);
// If we would move the folder to its own parent (the parent comes first in the path), we would create a recursion.
if (indexOfSelf >= 0 && indexOfParent > indexOfSelf)
{
operation.AddError(T.Get("assets.folderRecursion"), nameof(MoveAssetFolder.ParentId));
}
}
operation.ThrowOnErrors();
}
public static void MustHaveName(this AssetFolderOperation operation, string folderName)
{
if (string.IsNullOrWhiteSpace(folderName))
{
operation.AddError(Not.Defined(nameof(folderName)), "FolderName");
}
operation.ThrowOnErrors();
}