Add sender

lib/nulla_web/controllers/inbox_controller.ex

@@ -1,9 +1,10 @@
 defmodule NullaWeb.InboxController do
   use NullaWeb, :controller
-  alias Nulla.ActivityPub
   alias Nulla.Snowflake
   alias Nulla.HTTPSignature
+  alias Nulla.Sender
   alias Nulla.Utils
+  alias Nulla.Models.User
   alias Nulla.Models.Actor
   alias Nulla.Models.Relation
   alias Nulla.Models.Activity
@@ -109,24 +110,15 @@ defmodule NullaWeb.InboxController do
            }),
          {:ok, _relation} <-
            Relation.get_or_create_relation(local_actor.id, remote_actor.id, followed_by: true) do
-      activity = %Activity{accept_activity | object: Jason.decode!(accept_activity.object)}
-      body = Jason.encode!(ActivityPub.activity(activity))
-      headers = HTTPSignature.make_headers(body, remote_actor_json["inbox"], local_actor)
-      request = Finch.build(:post, remote_actor_json["inbox"], headers, body)
+      user = User.get_user(id: local_actor.id)
 
-      case Finch.request(request, Nulla.Finch) do
-        {:ok, %Finch.Response{status: code}} when code in 200..299 ->
-          IO.puts("Accept delivered successfully")
-          :ok
-
-        {:ok, %Finch.Response{status: code, body: resp}} ->
-          IO.inspect({:error, code, resp}, label: "Failed to deliver Accept")
-          {:error, {:http_error, code}}
-
-        {:error, reason} ->
-          IO.inspect(reason, label: "Finch delivery failed")
-          {:error, reason}
-      end
+      Sender.send_activity(
+        :post,
+        remote_actor.inbox,
+        accept_activity,
+        local_actor.publicKey["id"],
+        user.privateKeyPem
+      )
 
       send_resp(conn, 200, "")
     else