Let pins federate

- save object ids on pin, instead of activity ids
- pins federation
- removed pinned_activities field from the users table
- activityPub endpoint for user pins
- pulling remote users pins

test/support/factory.ex

@@ -48,13 +48,15 @@ defmodule Pleroma.Factory do
         %{
           ap_id: ap_id,
           follower_address: ap_id <> "/followers",
-          following_address: ap_id <> "/following"
+          following_address: ap_id <> "/following",
+          featured_address: ap_id <> "/collections/featured"
         }
       else
         %{
           ap_id: User.ap_id(user),
           follower_address: User.ap_followers(user),
-          following_address: User.ap_following(user)
+          following_address: User.ap_following(user),
+          featured_address: User.ap_featured_collection(user)
         }
       end
 

test/support/http_request_mock.ex

@@ -89,6 +89,18 @@ defmodule HttpRequestMock do
      }}
   end
 
+  def get("https://mastodon.sdf.org/users/rinpatch/collections/featured", _, _, _) do
+    {:ok,
+     %Tesla.Env{
+       status: 200,
+       body:
+         File.read!("test/fixtures/users_mock/masto_featured.json")
+         |> String.replace("{{domain}}", "mastodon.sdf.org")
+         |> String.replace("{{nickname}}", "rinpatch"),
+       headers: [{"content-type", "application/activity+json"}]
+     }}
+  end
+
   def get("https://patch.cx/objects/tesla_mock/poll_attachment", _, _, _) do
     {:ok,
      %Tesla.Env{
@@ -905,6 +917,17 @@ defmodule HttpRequestMock do
      }}
   end
 
+  def get("https://mastodon.social/users/lambadalambda/collections/featured", _, _, _) do
+    {:ok,
+     %Tesla.Env{
+       status: 200,
+       body:
+         File.read!("test/fixtures/users_mock/masto_featured.json")
+         |> String.replace("{{domain}}", "mastodon.social")
+         |> String.replace("{{nickname}}", "lambadalambda")
+     }}
+  end
+
   def get("https://apfed.club/channel/indio", _, _, _) do
     {:ok,
      %Tesla.Env{