protected override void DoExecute()
{
ModifyBookmarkWindow window = new ModifyBookmarkWindow();
window.DoBookmarkGridViewModel = this.ViewModel;
window.Owner = View.GetWindow();
if (window.ShowDialog() == true)
{
BookmarkViewModel current = this.ViewModel.CurrentSelected;
ObjectMapper.CopyValues <BookmarkViewModel, BookmarkViewModel>(this.ViewModel.DoBookmarkViewModel, current);
this.ViewModel.CurrentSelected = this.ViewModel.CurrentSelected;
}
}
public async Task <Topic> ModifyAsync(TopicEditModel model)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
if (model.Id == null)
{
throw new ArgumentNullException(nameof(model.Id));
}
if (string.IsNullOrWhiteSpace(model.Name))
{
throw new ModelException(nameof(model.Name), "话题名称不能为空");
}
using (var work = this.dbFactory.StartWork())
{
Topic topic = await work.Topic.SingleByIdAsync(model.Id.Value);
if (topic == null)
{
throw new ModelException(nameof(model.Name), "该话题不存在或已被删除");
}
if (!string.Equals(model.Name, topic.Name, StringComparison.OrdinalIgnoreCase))
{
Topic old = await work.Topic.GetByNameAsync(model.Name.Trim());
if (old != null)
{
throw new ModelException(nameof(model.Name), "该话题名称已存在");
}
}
if (topic.IsAnnounce)
{
throw new ModelException(nameof(model.Name), "公告为系统默认，不能被修改");
}
ObjectMapper.CopyValues <TopicEditModel, Topic>(model, topic);
topic.IsAnnounce = false;
await work.Topic.UpdateAsync(topic);
return(await work.Topic.SingleByIdAsync(model.Id.Value));
}
}
