public virtual void SaveLike(long mid)
{
if (ctx.viewer.IsLogin == false)
{
echoJsonMsg("请先登录", false, "");
return;
}
if (mid <= 0)
{
echoText("mid=" + mid);
return;
}
Microblog microblog = Microblog.findById(mid);
if (microblog == null)
{
echoText("microblog is null. mid=" + mid);
return;
}
// 检查是否已经like
MicroblogLike flike = MicroblogLike.find("UserId=" + ctx.viewer.Id + " and MicroblogId=" + mid).first();
if (flike != null)
{
echoText("您已经赞过");
return;
}
microblog.Likes = microblog.Likes + 1;
microblog.update();
MicroblogLike microblogLike = new MicroblogLike();
microblogLike.User = ctx.viewer.obj as User;
microblogLike.Microblog = microblog;
microblogLike.Ip = ctx.Ip;
microblogLike.insert();
// target likes
if (strUtil.HasText(microblog.DataType))
{
Type targetType = Entity.GetType(microblog.DataType);
if (targetType != null)
{
ILike target = ndb.findById(targetType, microblog.DataId) as ILike;
if (target != null)
{
target.Likes = microblog.Likes;
db.update(target);
}
}
}
echoAjaxOk();
}
private static Microblog getFeed(OpenComment c)
{
if (c.FeedId > 0)
{
return(Microblog.findById(c.FeedId));
}
else
{
return(Microblog.find("DataId=:id and DataType=:dtype")
.set("id", c.TargetDataId)
.set("dtype", c.TargetDataType)
.first());
}
}
public virtual Microblog GetById(int id)
{
return(Microblog.findById(id));
}
