Add GraphQL support to handle FeedTokens

Closes #88

Automatically create tokens for new users and actors

Closes #89

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

lib/mobilizon/users/users.ex

@@ -21,6 +21,18 @@ defmodule Mobilizon.Users do
     queryable
   end
 
+  @doc """
+  Register user
+  """
+  @spec register(map()) :: {:ok, User.t()} | {:error, String.t()}
+  def register(%{email: _email, password: _password} = args) do
+    with {:ok, %User{} = user} <-
+           %User{} |> User.registration_changeset(args) |> Mobilizon.Repo.insert() do
+      Mobilizon.Events.create_feed_token(%{"user_id" => user.id})
+      {:ok, user}
+    end
+  end
+
   @doc """
   Gets an user by it's email