Add the possibility to create profiles and groups from CLI

- Create an actor at the same time when creating an user
- or create either a profile and attach it to an existing user
- or create a group and set the admin to an existing profile

Closes #785

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

lib/mix/tasks/mobilizon/actors/utils.ex

@@ -0,0 +1,58 @@
+defmodule Mix.Tasks.Mobilizon.Actors.Utils do
+  @moduledoc """
+  Tools for generating usernames from display names
+  """
+
+  alias Mobilizon.Actors
+  alias Mobilizon.Actors.Actor
+  alias Mobilizon.Users.User
+
+  @doc """
+  Removes all spaces, accents, special characters and diacritics from a string to create a plain ascii username (a-z0-9_)
+
+  See https://stackoverflow.com/a/37511463
+  """
+  @spec generate_username(String.t()) :: String.t()
+  def generate_username(""), do: ""
+
+  def generate_username(name) do
+    name
+    |> String.downcase()
+    |> String.normalize(:nfd)
+    |> String.replace(~r/[\x{0300}-\x{036f}]/u, "")
+    |> String.replace(~r/ /, "_")
+    |> String.replace(~r/[^a-z0-9_]/, "")
+  end
+
+  # Profile from name
+  @spec username_and_name(String.t() | nil, String.t() | nil) :: String.t()
+  def username_and_name(nil, profile_name) do
+    {generate_username(profile_name), profile_name}
+  end
+
+  def username_and_name(profile_username, nil) do
+    {profile_username, profile_username}
+  end
+
+  def username_and_name(profile_username, profile_name) do
+    {profile_username, profile_name}
+  end
+
+  def create_profile(%User{id: user_id}, username, name, options \\ []) do
+    {username, name} = username_and_name(username, name)
+
+    {:ok, %Actor{} = new_person} =
+      Actors.new_person(
+        %{preferred_username: username, user_id: user_id, name: name},
+        Keyword.get(options, :default, true)
+      )
+
+    new_person
+  end
+
+  def create_group(%Actor{id: admin_id}, username, name, _options \\ []) do
+    {username, name} = username_and_name(username, name)
+
+    Actors.create_group(%{creator_actor_id: admin_id, preferred_username: username, name: name})
+  end
+end