// All returns all the users in this collection.
func (u *Users) All() (map[string]User, error) {
ref := firebase.NewReference(u.fbURL)
if err := ref.Value(&u.data); err != nil {
return nil, err
}
return u.data, nil
}
// Update a user given an id and a "User" object.
func (u *Users) Update(id string, v *User) (*User, error) {
if usr := u.GetByID(id); usr != nil {
if v.Name != "" && usr.Name != v.Name {
usr.Name = v.Name
}
for i := 0; i < len(v.Nicknames); i++ {
if !usr.HasNickname(v.Nicknames[i]) {
usr.Nicknames = append(usr.Nicknames, v.Nicknames[i])
}
}
ref := firebase.NewReference(u.fbURL + id)
if err := ref.Write(usr); err != nil {
return nil, err
}
return usr, nil
}
return nil, nil
}
// Get returns a user given an id.
func (u *Users) Get(id string) (*User, error) {
ref := firebase.NewReference(u.fbURL + id).Export(false)
usr := &User{}
if err := ref.Value(usr); err != nil {
return nil, err
}
return usr, nil
}
// Delete a user with the specified name.
func (u *Users) Delete(name string) error {
if id := u.GetUserID(name); id != "" {
ref := firebase.NewReference(u.fbURL + id)
if err := ref.Delete(); err != nil {
return err
}
// also delete from the map
delete(u.data, id)
} else {
return errors.New("user not found")
}
return nil
}
// Add adds a new user to this collection.
func (u *Users) Add(usr *User) error {
ref := firebase.NewReference(u.fbURL)
if usr.Name == "" || len(usr.Nicknames) < 1 {
return errors.New("Invalid user")
}
existing, err := u.GetByName(usr.Name)
if err != nil {
return err
}
if existing != nil {
return errors.New("existing user")
}
if err := ref.Push(usr); err != nil {
return err
}
return nil
}