neiam /oh-my-ex-oh-ircd

defmodule OhMyExOhIrcd.Repo.Migrations.CreateChannelMemberships do
  use Ecto.Migration

  def change do
    create table(:channel_memberships) do
      add :channel_id, references(:channels, on_delete: :delete_all), null: false
      add :user_id, references(:users, on_delete: :delete_all), null: false
      # Stored as string: "founder" | "admin" | "op" | "halfop" | "voice".
      # ":member" is not persisted (absence == :member).
      add :access, :string, null: false

      timestamps(type: :utc_datetime)
    end

    create unique_index(:channel_memberships, [:channel_id, :user_id])
    create index(:channel_memberships, [:user_id])
  end
end