Send the correct update in streamer

get_create_by_ap_id_with_object() seems to fetch the old object.
Why this happens needs further investigation.

lib/pleroma/web/streamer.ex

@@ -288,12 +288,16 @@ defmodule Pleroma.Web.Streamer do
   defp push_to_socket(_topic, %Activity{data: %{"type" => "Delete"}}), do: :noop
 
   defp push_to_socket(topic, %Activity{data: %{"type" => "Update"}} = item) do
-    anon_render = StreamerView.render("status_update.json", item)
+    create_activity =
+      Pleroma.Activity.get_create_by_object_ap_id(item.object.data["id"])
+      |> Map.put(:object, item.object)
+
+    anon_render = StreamerView.render("status_update.json", create_activity)
 
     Registry.dispatch(@registry, topic, fn list ->
       Enum.each(list, fn {pid, auth?} ->
         if auth? do
-          send(pid, {:render_with_user, StreamerView, "status_update.json", item})
+          send(pid, {:render_with_user, StreamerView, "status_update.json", create_activity})
         else
           send(pid, {:text, anon_render})
         end

test/pleroma/web/streamer_test.exs

@@ -392,9 +392,9 @@ defmodule Pleroma.Web.StreamerTest do
 
       Streamer.get_topic_and_add_socket("user", user, oauth_token)
       {:ok, edited} = CommonAPI.update(sender, activity, %{status: "mew mew"})
-      edited = Pleroma.Activity.normalize(edited)
+      create = Pleroma.Activity.get_create_by_object_ap_id_with_object(activity.object.data["id"])
 
-      assert_receive {:render_with_user, _, "status_update.json", ^edited}
+      assert_receive {:render_with_user, _, "status_update.json", ^create}
       refute Streamer.filtered_by_user?(user, edited)
     end
 
@@ -403,9 +403,9 @@ defmodule Pleroma.Web.StreamerTest do
 
       Streamer.get_topic_and_add_socket("user", user, oauth_token)
       {:ok, edited} = CommonAPI.update(user, activity, %{status: "mew mew"})
-      edited = Pleroma.Activity.normalize(edited)
+      create = Pleroma.Activity.get_create_by_object_ap_id_with_object(activity.object.data["id"])
 
-      assert_receive {:render_with_user, _, "status_update.json", ^edited}
+      assert_receive {:render_with_user, _, "status_update.json", ^create}
       refute Streamer.filtered_by_user?(user, edited)
     end
   end
@@ -469,6 +469,35 @@ defmodule Pleroma.Web.StreamerTest do
       assert %{"id" => ^activity_id} = Jason.decode!(payload)
       refute Streamer.filtered_by_user?(sender, edited)
     end
+
+    test "it streams multiple edits in the 'public' stream correctly" do
+      sender = insert(:user)
+
+      Streamer.get_topic_and_add_socket("public", nil, nil)
+      {:ok, activity} = CommonAPI.post(sender, %{status: "hey"})
+      assert_receive {:text, _}
+
+      {:ok, edited} = CommonAPI.update(sender, activity, %{status: "mew mew"})
+
+      edited = Pleroma.Activity.normalize(edited)
+
+      %{id: activity_id} = Pleroma.Activity.get_create_by_object_ap_id(edited.object.data["id"])
+
+      assert_receive {:text, event}
+      assert %{"event" => "status.update", "payload" => payload} = Jason.decode!(event)
+      assert %{"id" => ^activity_id} = Jason.decode!(payload)
+      refute Streamer.filtered_by_user?(sender, edited)
+
+      {:ok, edited} = CommonAPI.update(sender, activity, %{status: "mew mew 2"})
+
+      edited = Pleroma.Activity.normalize(edited)
+
+      %{id: activity_id} = Pleroma.Activity.get_create_by_object_ap_id(edited.object.data["id"])
+      assert_receive {:text, event}
+      assert %{"event" => "status.update", "payload" => payload} = Jason.decode!(event)
+      assert %{"id" => ^activity_id, "content" => "mew mew 2"} = Jason.decode!(payload)
+      refute Streamer.filtered_by_user?(sender, edited)
+    end
   end
 
   describe "thread_containment/2" do