Add backend and endpoints for Feed Tokens

Closes #19 #86 #87

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

lib/mobilizon/events/feed_token.ex

@@ -0,0 +1,26 @@
+defmodule Mobilizon.Events.FeedToken do
+  @moduledoc """
+  Represents a Token for a Feed of events
+  """
+  use Ecto.Schema
+  import Ecto.Changeset
+  alias Mobilizon.Events.FeedToken
+  alias Mobilizon.Actors.Actor
+  alias Mobilizon.Users.User
+
+  @primary_key false
+  schema "feed_token" do
+    field(:token, :string, primary_key: true)
+    belongs_to(:actor, Actor)
+    belongs_to(:user, User)
+
+    timestamps(updated_at: false)
+  end
+
+  @doc false
+  def changeset(%FeedToken{} = feed_token, attrs) do
+    feed_token
+    |> Ecto.Changeset.cast(attrs, [:token, :actor_id, :user_id])
+    |> validate_required([:token, :user_id])
+  end
+end