protected async Task UpdateGroupAsync(CreateOrUpdatePictureGroupInput input)
{
var pictureGroup = await _pictureManager.GetGroupByIdAsync(input.Id.Value);
if (pictureGroup.IsSystemGroup)
{
throw new UserFriendlyException(L("PictureGallery.Group.SystemGroup.CantNotUpdate"));
}
var existedGroup = await _pictureManager.GetGroupByNameAsync(input.Name);
if (existedGroup != null && pictureGroup.Id != existedGroup.Id)
{
throw new UserFriendlyException(string.Format(L("PictureGallery.Group.Existed"), input.Name));
}
pictureGroup.Name = input.Name;
await _pictureManager.UpdateGroupAsync(pictureGroup);
}
