neiam /gitgud

defmodule GitGud.Organizations.TeamMembership do
  use Ecto.Schema
  import Ecto.Changeset

  alias GitGud.Accounts.User
  alias GitGud.Organizations.Team

  @valid_roles ~w(member maintainer)

  schema "team_memberships" do
    field :role, :string, default: "member"

    belongs_to :team, Team
    belongs_to :user, User

    timestamps(type: :utc_datetime)
  end

  def changeset(m, attrs) do
    m
    |> cast(attrs, [:team_id, :user_id, :role])
    |> validate_required([:team_id, :user_id, :role])
    |> validate_inclusion(:role, @valid_roles)
    |> unique_constraint(:user_id, name: :team_memberships_team_id_user_id_index)
  end

  def valid_roles, do: @valid_roles
end