From cfa6e7289f5cfdb1fce17eb89bc0513ff624480d Mon Sep 17 00:00:00 2001
From: Egor Kislitsyn <egor@kislitsyn.com>
Date: Thu, 4 Apr 2019 16:10:43 +0700
Subject: [PATCH] Improve Transmogrifier.upgrade_user_from_ap_id/2

---
 config/config.exs                             |  3 ++-
 docs/config.md                                |  6 +++--
 .../web/activity_pub/transmogrifier.ex        | 26 ++++++-------------
 test/web/activity_pub/transmogrifier_test.exs |  3 ---
 4 files changed, 14 insertions(+), 24 deletions(-)

diff --git a/config/config.exs b/config/config.exs
index dccf7b263..d68edafcb 100644
--- a/config/config.exs
+++ b/config/config.exs
@@ -351,7 +351,8 @@
 config :pleroma_job_queue, :queues,
   federator_incoming: 50,
   federator_outgoing: 50,
-  mailer: 10
+  mailer: 10,
+  transmogrifier: 20
 
 config :pleroma, :fetch_initial_posts,
   enabled: false,
diff --git a/docs/config.md b/docs/config.md
index 97a0e6ffa..dd3cc3727 100644
--- a/docs/config.md
+++ b/docs/config.md
@@ -200,14 +200,14 @@ This section is used to configure Pleroma-FE, unless ``:managed_config`` in ``:i
   - `port`
 * `url` - a list containing the configuration for generating urls, accepts
   - `host` - the host without the scheme and a post (e.g `example.com`, not `https://example.com:2020`)
-  - `scheme` - e.g `http`, `https` 
+  - `scheme` - e.g `http`, `https`
   - `port`
   - `path`
 
 
 **Important note**: if you modify anything inside these lists, default `config.exs` values will be overwritten, which may result in breakage, to make sure this does not happen please copy the default value for the list from `config.exs` and modify/add only what you need
 
-Example: 
+Example:
 ```elixir
 config :pleroma, Pleroma.Web.Endpoint,
   url: [host: "example.com", port: 2020, scheme: "https"],
@@ -296,9 +296,11 @@ curl "http://localhost:4000/api/pleroma/admin/invite_token?admin_token=somerando
 [Pleroma Job Queue](https://git.pleroma.social/pleroma/pleroma_job_queue) configuration: a list of queues with maximum concurrent jobs.
 
 Pleroma has the following queues:
+
 * `federator_outgoing` - Outgoing federation
 * `federator_incoming` - Incoming federation
 * `mailer` - Email sender, see [`Pleroma.Mailer`](#pleroma-mailer)
+* `transmogrifier` - Transmogrifier
 
 Example:
 
diff --git a/lib/pleroma/web/activity_pub/transmogrifier.ex b/lib/pleroma/web/activity_pub/transmogrifier.ex
index f733ae7e1..593ae3188 100644
--- a/lib/pleroma/web/activity_pub/transmogrifier.ex
+++ b/lib/pleroma/web/activity_pub/transmogrifier.ex
@@ -954,7 +954,7 @@ defp strip_internal_tags(%{"tag" => tags} = object) do
 
   defp strip_internal_tags(object), do: object
 
-  defp user_upgrade_task(user) do
+  def perform(:user_upgrade, user) do
     # we pass a fake user so that the followers collection is stripped away
     old_follower_address = User.ap_followers(%User{nickname: user.nickname})
 
@@ -999,28 +999,18 @@ defp user_upgrade_task(user) do
     Repo.update_all(q, [])
   end
 
-  def upgrade_user_from_ap_id(ap_id, async \\ true) do
+  def upgrade_user_from_ap_id(ap_id) do
     with %User{local: false} = user <- User.get_by_ap_id(ap_id),
-         {:ok, data} <- ActivityPub.fetch_and_prepare_user_from_ap_id(ap_id) do
-      already_ap = User.ap_enabled?(user)
-
-      {:ok, user} =
-        User.upgrade_changeset(user, data)
-        |> Repo.update()
-
-      if !already_ap do
-        # This could potentially take a long time, do it in the background
-        if async do
-          Task.start(fn ->
-            user_upgrade_task(user)
-          end)
-        else
-          user_upgrade_task(user)
-        end
+         {:ok, data} <- ActivityPub.fetch_and_prepare_user_from_ap_id(ap_id),
+         already_ap <- User.ap_enabled?(user),
+         {:ok, user} <- user |> User.upgrade_changeset(data) |> User.update_and_set_cache() do
+      unless already_ap do
+        PleromaJobQueue.enqueue(:transmogrifier, __MODULE__, [:user_upgrade, user])
       end
 
       {:ok, user}
     else
+      %User{} = user -> {:ok, user}
       e -> e
     end
   end
diff --git a/test/web/activity_pub/transmogrifier_test.exs b/test/web/activity_pub/transmogrifier_test.exs
index 62b973c4f..47cffe257 100644
--- a/test/web/activity_pub/transmogrifier_test.exs
+++ b/test/web/activity_pub/transmogrifier_test.exs
@@ -1028,9 +1028,6 @@ test "it upgrades a user to activitypub" do
       assert user.info.note_count == 1
       assert user.follower_address == "https://niu.moe/users/rye/followers"
 
-      # Wait for the background task
-      :timer.sleep(1000)
-
       user = User.get_by_id(user.id)
       assert user.info.note_count == 1