20200823103159_create_users_auth_tables.exs

defmodule FaithfulWord.Repo.Migrations.CreateUsersAuthTables do
  use Ecto.Migration

  def change do
    execute "CREATE EXTENSION IF NOT EXISTS citext", ""

    create table(:users, primary_key: false) do
      add :id, :binary_id, primary_key: true
      add :email, :citext, null: false
      add :username, :citext
      add :name, :citext
      add :phone_number, :citext
      add :confirmed_at, :naive_datetime
      add :orgs_registered, {:array, :integer}, default: [], null: false
      add :orgs_confirmed, {:array, :integer}, default: [], null: false
      add :orgs_authorized, {:array, :integer}, default: [], null: false
      add :locale, :string, null: true
      add :uuid, :uuid
      add :role, :string, null: false
      add :status, :string, null: false
      timestamps(type: :utc_datetime_usec)
    end

    create unique_index(:users, [:email])
    create unique_index(:users, [:phone_number])
    create unique_index(:users, [:username])
    create index(:users, [:uuid])

    create table(:users_tokens) do
      add :user_id, references(:users, on_delete: :delete_all, type: :binary_id), null: false
      add :token, :binary, null: false
      add :context, :string, null: false
      add :org_id, references(:orgs, on_delete: :delete_all), null: false
      add :sent_to, :string
      timestamps(updated_at: false)
    end

    # create index(:users_tokens, [:user_id])
    create unique_index(:users_tokens, [:context, :token])
  end
end

user.ex

  @primary_key {:id, :binary_id, autogenerate: true}
  @foreign_key_type :binary_id
  schema "users" do
    field :email, :string
    field :username, :string
    field :name, :string
    field :phone_number, :string
    field :confirmed_at, :naive_datetime
  ...

usertoken.ex

  schema "users_tokens" do
    field :token, :binary
    field :context, :string
    field :sent_to, :string
    field :org_id, :integer
    belongs_to :user, FaithfulWord.Schema.User

    timestamps(updated_at: false)
  end
  
  ...