// AddEnvironmentUser adds a new user to the database.
func (st *State) AddEnvironmentUser(user, createdBy names.UserTag, displayName string) (*EnvironmentUser, error) {
// Ensure local user exists in state before adding them as an environment user.
if user.Provider() == names.LocalProvider {
if _, err := st.User(user.Name()); err != nil {
return nil, errors.Annotate(err, fmt.Sprintf("user %q does not exist locally", user.Name()))
}
}
// Ensure local createdBy user exists.
if createdBy.Provider() == names.LocalProvider {
if _, err := st.User(createdBy.Name()); err != nil {
return nil, errors.Annotate(err, fmt.Sprintf("createdBy user %q does not exist locally", createdBy.Name()))
}
}
username := user.Username()
envuuid := st.EnvironTag().Id()
id := envUserID(envuuid, username)
envUser := &EnvironmentUser{
st: st,
doc: envUserDoc{
ID: id,
EnvUUID: envuuid,
UserName: username,
DisplayName: displayName,
CreatedBy: createdBy.Username(),
DateCreated: nowToTheSecond(),
}}
ops := []txn.Op{{
C: envUsersC,
Id: id,
Assert: txn.DocMissing,
Insert: &envUser.doc,
}}
err := st.runTransaction(ops)
if err == txn.ErrAborted {
err = errors.New("env user already exists")
}
if err != nil {
return nil, errors.Trace(err)
}
return envUser, nil
}