protected override void OnSelecting(DataSelectContextBase context)
{
base.OnSelecting(context);
//设置结果过滤器
context.ResultFilter = this.OnResultFilter;
}
private bool OnResultFilter(DataSelectContextBase context, ref object data)
{
var dictionary = DataDictionary.GetDictionary <Models.Post>(data);
if (dictionary.TryGetValue(p => p.Approved, out var approved) && !approved &&
(!context.Principal.Identity.IsAuthenticated || context.Principal.Identity.Credential.User.UserId != dictionary.GetValue(p => p.CreatorId, 0U)))
{
dictionary.TrySetValue(p => p.Content, string.Empty);
}
else if (dictionary.TryGetValue(p => p.Content, out var content) && dictionary.TryGetValue(p => p.ContentType, out var contentType))
{
if (!Utility.IsContentEmbedded(contentType))
{
dictionary.SetValue(p => p.Content, Utility.ReadTextFile(content));
}
}
return(true);
}
private bool OnResultFilter(DataSelectContextBase context, ref object data)
{
var dictionary = DataDictionary.GetDictionary <Models.Thread>(data);
if (!dictionary.TryGetValue(p => p.Post, out var post) || post == null)
{
return(true);
}
if (dictionary.TryGetValue(p => p.Approved, out var approved) && !approved &&
(!context.Principal.Identity.IsAuthenticated || context.Principal.Identity.Credential.User.UserId != dictionary.GetValue(p => p.CreatorId, 0U)))
{
post.Content = string.Empty;
}
else if (!string.IsNullOrEmpty(post.Content) && !string.IsNullOrEmpty(post.ContentType))
{
if (!Utility.IsContentEmbedded(post.ContentType))
{
post.Content = Utility.ReadTextFile(post.Content);
}
}
return(true);
}
protected virtual void OnSelected(DataSelectContextBase context)
{
}
protected override void OnSelect(DataSelectContextBase context)
{
this.Provider.Execute((IDataAccessContext)context);
}
public DataGettingEventArgs(DataSelectContextBase context) : base(context)
{
_cancel = false;
}
public DataGettedEventArgs(DataSelectContextBase context) : base(context)
{
}