1 files changed, 88 insertions, 70 deletions
diff --git a/lib/pleroma/workers/attachments_cleanup_worker.ex b/lib/pleroma/workers/attachments_cleanup_worker.ex
index 3c5820a86..58226b395 100644
--- a/lib/pleroma/workers/attachments_cleanup_worker.ex
+++ b/lib/pleroma/workers/attachments_cleanup_worker.ex
@@ -11,85 +11,103 @@ defmodule Pleroma.Workers.AttachmentsCleanupWorker do
   use Pleroma.Workers.WorkerHelper, queue: "attachments_cleanup"
 
   @impl Oban.Worker
-  def perform(
-        %{
+  def perform(%Job{
+        args: %{
           "op" => "cleanup_attachments",
           "object" => %{"data" => %{"attachment" => [_ | _] = attachments, "actor" => actor}}
-        },
-        _job
-      ) do
-    hrefs =
-      Enum.flat_map(attachments, fn attachment ->
-        Enum.map(attachment["url"], & &1["href"])
-      end)
+        }
+      }) do
+    attachments
+    |> Enum.flat_map(fn item -> Enum.map(item["url"], & &1["href"]) end)
+    |> fetch_objects
+    |> prepare_objects(actor, Enum.map(attachments, & &1["name"]))
+    |> filter_objects
+    |> do_clean
+
+    {:ok, :success}
+  end
 
-    names = Enum.map(attachments, & &1["name"])
+  def perform(%Job{args: %{"op" => "cleanup_attachments", "object" => _object}}), do: {:ok, :skip}
 
+  defp do_clean({object_ids, attachment_urls}) do
     uploader = Pleroma.Config.get([Pleroma.Upload, :uploader])
 
-    # find all objects for copies of the attachments, name and actor doesn't matter here
-    delete_ids =
-      from(o in Object,
-        where:
-          fragment(
-            "to_jsonb(array(select jsonb_array_elements((?)#>'{url}') ->> 'href' where jsonb_typeof((?)#>'{url}') = 'array'))::jsonb \\?| (?)",
-            o.data,
-            o.data,
-            ^hrefs
-          )
+    prefix =
+      case Pleroma.Config.get([Pleroma.Upload, :base_url]) do
+        nil -> "media"
+        _ -> ""
+      end
+
+    base_url =
+      String.trim_trailing(
+        Pleroma.Config.get([Pleroma.Upload, :base_url], Pleroma.Web.base_url()),
+        "/"
       )
-      # The query above can be time consumptive on large instances until we
-      # refactor how uploads are stored
-      |> Repo.all(timeout: :infinity)
-      # we should delete 1 object for any given attachment, but don't delete
-      # files if there are more than 1 object for it
-      |> Enum.reduce(%{}, fn %{
-                               id: id,
-                               data: %{
-                                 "url" => [%{"href" => href}],
-                                 "actor" => obj_actor,
-                                 "name" => name
-                               }
-                             },
-                             acc ->
-        Map.update(acc, href, %{id: id, count: 1}, fn val ->
-          case obj_actor == actor and name in names do
-            true ->
-              # set id of the actor's object that will be deleted
-              %{val | id: id, count: val.count + 1}
-
-            false ->
-              # another actor's object, just increase count to not delete file
-              %{val | count: val.count + 1}
-          end
-        end)
-      end)
-      |> Enum.map(fn {href, %{id: id, count: count}} ->
-        # only delete files that have single instance
-        with 1 <- count do
-          prefix =
-            case Pleroma.Config.get([Pleroma.Upload, :base_url]) do
-              nil -> "media"
-              _ -> ""
-            end
-
-          base_url =
-            String.trim_trailing(
-              Pleroma.Config.get([Pleroma.Upload, :base_url], Pleroma.Web.base_url()),
-              "/"
-            )
-
-          file_path = String.trim_leading(href, "#{base_url}/#{prefix}")
-
-          uploader.delete_file(file_path)
-        end
 
-        id
-      end)
+    Enum.each(attachment_urls, fn href ->
+      href
+      |> String.trim_leading("#{base_url}/#{prefix}")
+      |> uploader.delete_file()
+    end)
+
+    delete_objects(object_ids)
+  end
 
-    from(o in Object, where: o.id in ^delete_ids)
-    |> Repo.delete_all()
+  defp delete_objects([_ | _] = object_ids) do
+    Repo.delete_all(from(o in Object, where: o.id in ^object_ids))
   end
 
-  def perform(%{"op" => "cleanup_attachments", "object" => _object}, _job), do: :ok
+  defp delete_objects(_), do: :ok
+
+  # we should delete 1 object for any given attachment, but don't delete
+  # files if there are more than 1 object for it
+  defp filter_objects(objects) do
+    Enum.reduce(objects, {[], []}, fn {href, %{id: id, count: count}}, {ids, hrefs} ->
+      with 1 <- count do
+        {ids ++ [id], hrefs ++ [href]}
+      else
+        _ -> {ids ++ [id], hrefs}
+      end
+    end)
+  end
+
+  defp prepare_objects(objects, actor, names) do
+    objects
+    |> Enum.reduce(%{}, fn %{
+                             id: id,
+                             data: %{
+                               "url" => [%{"href" => href}],
+                               "actor" => obj_actor,
+                               "name" => name
+                             }
+                           },
+                           acc ->
+      Map.update(acc, href, %{id: id, count: 1}, fn val ->
+        case obj_actor == actor and name in names do
+          true ->
+            # set id of the actor's object that will be deleted
+            %{val | id: id, count: val.count + 1}
+
+          false ->
+            # another actor's object, just increase count to not delete file
+            %{val | count: val.count + 1}
+        end
+      end)
+    end)
+  end
+
+  defp fetch_objects(hrefs) do
+    from(o in Object,
+      where:
+        fragment(
+          "to_jsonb(array(select jsonb_array_elements((?)#>'{url}') ->> 'href' where jsonb_typeof((?)#>'{url}') = 'array'))::jsonb \\?| (?)",
+          o.data,
+          o.data,
+          ^hrefs
+        )
+    )
+    # The query above can be time consumptive on large instances until we
+    # refactor how uploads are stored
+    |> Repo.all(timeout: :infinity)
+  end
 end