// CheckAndFixName Add a / to topic name is it is not present
// return an error if length of name is < 4 or > 100
func CheckAndFixName(topic *tat.Topic) error {
name, err := tat.CheckAndFixNameTopic(topic.Topic)
if err != nil {
return err
}
topic.Topic = name
return nil
}
// EnableNotificationsTopic remove topic from user list offNotificationsTopics
func EnableNotificationsTopic(user *tat.User, topic string) error {
topicName, err := tat.CheckAndFixNameTopic(topic)
if err != nil {
return err
}
t, err := getOffNotificationsTopic(user, topicName)
if err != nil {
return fmt.Errorf("Enable notifications on topic %s is not possible, notifications are already enabled", topicName)
}
cache.CleanUsernames(user.Username)
return store.Tat().CUsers.Update(
bson.M{"_id": user.ID},
bson.M{"$pull": bson.M{"offNotificationsTopics": t}})
}
// RemoveFavoriteTopic removes a favorite topic from user
func RemoveFavoriteTopic(user *tat.User, topic string) error {
topicName, err := tat.CheckAndFixNameTopic(topic)
if err != nil {
return err
}
t, err := getFavoriteTopic(user, topicName)
if err != nil {
return fmt.Errorf("Remove favorite topic is not possible, %s is not a favorite of this user", topicName)
}
err = store.Tat().CUsers.Update(
bson.M{"_id": user.ID},
bson.M{"$pull": bson.M{"favoritesTopics": t}})
if err != nil {
log.Errorf("Error while remove favorite topic from user %s: %s", user.Username, err)
return err
}
cache.CleanUsernames(user.Username)
return nil
}