Introduce relay

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

lib/mix/tasks/mobilizon/common.ex

@@ -22,6 +22,11 @@ defmodule Mix.Tasks.Mobilizon.Common do
       end
   end
 
+  def start_mobilizon do
+    Application.put_env(:phoenix, :serve_endpoints, false, persistent: true)
+    {:ok, _} = Application.ensure_all_started(:mobilizon)
+  end
+
   def escape_sh_path(path) do
     ~S(') <> String.replace(path, ~S('), ~S(\')) <> ~S(')
   end

lib/mix/tasks/mobilizon/relay.ex

@@ -0,0 +1,65 @@
+# Portions of this file are derived from Pleroma:
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social>
+# SPDX-License-Identifier: AGPL-3.0-only
+# Upstream: https://git.pleroma.social/pleroma/pleroma/blob/develop/lib/mix/tasks/pleroma/relay.ex
+
+defmodule Mix.Tasks.Mobilizon.Relay do
+  use Mix.Task
+  alias Mobilizon.Service.ActivityPub.Relay
+  alias Mix.Tasks.Mobilizon.Common
+
+  @shortdoc "Manages remote relays"
+  @moduledoc """
+  Manages remote relays
+
+  ## Follow a remote relay
+
+  ``mix mobilizon.relay follow <relay_url>``
+
+  Example: ``mix mobilizon.relay follow  https://example.org/relay``
+
+  ## Unfollow a remote relay
+
+  ``mix mobilizon.relay unfollow <relay_url>``
+
+  Example: ``mix mobilizon.relay unfollow https://example.org/relay``
+  """
+  def run(["follow", target]) do
+    Common.start_mobilizon()
+
+    case Relay.follow(target) do
+      {:ok, _activity} ->
+        # put this task to sleep to allow the genserver to push out the messages
+        :timer.sleep(500)
+
+      {:error, e} ->
+        IO.puts(:stderr, "Error while following #{target}: #{inspect(e)}")
+    end
+  end
+
+  def run(["unfollow", target]) do
+    Common.start_mobilizon()
+
+    case Relay.unfollow(target) do
+      {:ok, _activity} ->
+        # put this task to sleep to allow the genserver to push out the messages
+        :timer.sleep(500)
+
+      {:error, e} ->
+        IO.puts(:stderr, "Error while unfollowing #{target}: #{inspect(e)}")
+    end
+  end
+
+  def run(["accept", target]) do
+    Common.start_mobilizon()
+
+    case Relay.accept(target) do
+      {:ok, _activity} ->
+        # put this task to sleep to allow the genserver to push out the messages
+        :timer.sleep(500)
+
+      {:error, e} ->
+        IO.puts(:stderr, "Error while accept #{target} follow: #{inspect(e)}")
+    end
+  end
+end