func SetLastLoggedIn(context appengine.Context, w http.ResponseWriter) os.Error {
userobj, err := GetCurrentHowlUser(context)
if userobj == nil || err != nil {
return os.NewError("No such user: " + user.Current(context).Id)
}
userobj.LastLogin = model.Now()
return userobj.Update(context)
}
/* Check the uniqueness of a username in the datastore.
*
* Returns true if there is no such uid in the datastore, thus the uid will be
* unique in the store.
*/
func IsUidUnique(context appengine.Context, uid string) bool {
err := (&model.HowlUser{"", uid, "", "", "", model.Now()}).Read(context)
if err != nil {
log.Println("Datastore error retreiving HowlUser with uid " + uid + ": " + err.String())
return true
}
return false
}