Introduce device flow

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

lib/mobilizon/applications/application_device_activation.ex

@@ -0,0 +1,32 @@
+defmodule Mobilizon.Applications.ApplicationDeviceActivation do
+  @moduledoc """
+  Module representing a application device activation
+  """
+  use Ecto.Schema
+  import Ecto.Changeset
+  alias Mobilizon.Applications.{Application, ApplicationDeviceActivationStatus}
+  alias Mobilizon.Users.User
+
+  schema "application_device_activation" do
+    field(:user_code, :string)
+    field(:device_code, :string)
+    field(:scope, :string)
+    field(:expires_in, :integer)
+    field(:status, ApplicationDeviceActivationStatus, default: :pending)
+    belongs_to(:user, User)
+    belongs_to(:application, Application)
+
+    timestamps()
+  end
+
+  @required_attrs [:user_code, :device_code, :expires_in, :application_id]
+  @optional_attrs [:status, :user_id]
+  @attrs @required_attrs ++ @optional_attrs
+
+  @doc false
+  def changeset(application_device_activation, attrs) do
+    application_device_activation
+    |> cast(attrs, @attrs)
+    |> validate_required(@required_attrs)
+  end
+end