public WcfModel GetTagList()
{
try {
TagService tagService = new TagService();
var tag = tagService.GetTagList();
var data = from o in tag
select new {
ID = o.ID.ToString(),
TagName = o.TagName,
NeedMoney = o.NeedMoney
};
model.Data = JsonConvert.SerializeObject(data);
model.Code = WcfStatus.QuerySuccessful;
}
catch {
model.Code = WcfStatus.QueryError;
model.ErrorMsg = "WTF";
}
return model;
}
public void UpdateUserTag(ObjectId id, ObjectId tagId)
{
var user = this.GetUserByID(id).First();
var tag = new TagService().GetTagByID(tagId).First();
int nowMoney = (user.Money ?? 0) - (tag.NeedMoney ?? 0);
if (nowMoney < 0) {
//现金少于0的异常
}
var query = Query<User>.EQ(o => o.ID, id);
var update = Update.Set("Money", nowMoney).Push("Tags", tag.ID.ToString());
userConn.Update(query, update);
}