defmodule Lokal.Accounts.Invite do @moduledoc """ An invite, created by an admin to allow someone to join their instance. An invite can be enabled or disabled, and can have an optional number of uses if `:uses_left` is defined. """ use Ecto.Schema import Ecto.Changeset alias Ecto.{Association, Changeset, UUID} alias Lokal.Accounts.User @primary_key {:id, :binary_id, autogenerate: true} @foreign_key_type :binary_id schema "invites" do field :name, :string field :token, :string field :uses_left, :integer, default: nil field :disabled_at, :naive_datetime belongs_to :created_by, User has_many :users, User timestamps() end @type t :: %__MODULE__{ id: id(), name: String.t(), token: token(), uses_left: integer() | nil, disabled_at: NaiveDateTime.t(), created_by: User.t() | nil | Association.NotLoaded.t(), created_by_id: User.id() | nil, users: [User.t()] | Association.NotLoaded.t(), inserted_at: NaiveDateTime.t(), updated_at: NaiveDateTime.t() } @type new_invite :: %__MODULE__{} @type id :: UUID.t() @type changeset :: Changeset.t(t() | new_invite()) @type token :: String.t() @doc false @spec create_changeset(User.t(), token(), attrs :: map()) :: changeset() def create_changeset(%User{id: user_id}, token, attrs) do %__MODULE__{} |> change(token: token, created_by_id: user_id) |> cast(attrs, [:name, :uses_left, :disabled_at]) |> validate_required([:name, :token, :created_by_id]) |> validate_number(:uses_left, greater_than_or_equal_to: 0) end @doc false @spec update_changeset(t() | new_invite(), attrs :: map()) :: changeset() def update_changeset(invite, attrs) do invite |> cast(attrs, [:name, :uses_left, :disabled_at]) |> validate_required([:name]) |> validate_number(:uses_left, greater_than_or_equal_to: 0) end end