From fcf2f38d20eed40a53b03374467d9e52b013da07 Mon Sep 17 00:00:00 2001
From: lain <lain@soykaf.club>
Date: Wed, 8 May 2019 17:37:00 +0200
Subject: [PATCH] Conversations: Add a function to 'import' old DMs.

---
 lib/pleroma/conversation.ex                  | 14 ++++++++++++++
 lib/pleroma/web/activity_pub/activity_pub.ex |  6 ++++++
 test/conversation_test.exs                   | 18 ++++++++++++++++++
 3 files changed, 38 insertions(+)

diff --git a/lib/pleroma/conversation.ex b/lib/pleroma/conversation.ex
index 6e26c5fd4..aa73edd75 100644
--- a/lib/pleroma/conversation.ex
+++ b/lib/pleroma/conversation.ex
@@ -72,4 +72,18 @@ def create_or_bump_for(activity) do
       e -> {:error, e}
     end
   end
+
+  @doc """
+  This is only meant to be run by a mix task. It creates conversations/participations for all direct messages in the database.
+  """
+  def bump_for_all_activities() do
+    stream =
+      Pleroma.Web.ActivityPub.ActivityPub.fetch_direct_messages_query()
+      |> Repo.stream()
+
+    Repo.transaction(fn ->
+      stream
+      |> Enum.each(&create_or_bump_for/1)
+    end)
+  end
 end
diff --git a/lib/pleroma/web/activity_pub/activity_pub.ex b/lib/pleroma/web/activity_pub/activity_pub.ex
index 8f8c23a9b..23cf4e9c4 100644
--- a/lib/pleroma/web/activity_pub/activity_pub.ex
+++ b/lib/pleroma/web/activity_pub/activity_pub.ex
@@ -1061,4 +1061,10 @@ def contain_timeline(timeline, user) do
       contain_activity(activity, user)
     end)
   end
+
+  def fetch_direct_messages_query() do
+    Activity
+    |> restrict_type(%{"type" => "Create"})
+    |> restrict_visibility(%{visibility: "direct"})
+  end
 end
diff --git a/test/conversation_test.exs b/test/conversation_test.exs
index f3300e7d1..59368b0e7 100644
--- a/test/conversation_test.exs
+++ b/test/conversation_test.exs
@@ -9,6 +9,24 @@ defmodule Pleroma.ConversationTest do
 
   import Pleroma.Factory
 
+  test "it goes through old direct conversations" do
+    user = insert(:user)
+    other_user = insert(:user)
+
+    {:ok, _activity} =
+      CommonAPI.post(user, %{"visibility" => "direct", "status" => "hey @#{other_user.nickname}"})
+
+    Repo.delete_all(Conversation)
+    Repo.delete_all(Conversation.Participation)
+
+    refute Repo.one(Conversation)
+
+    Conversation.bump_for_all_activities()
+
+    assert Repo.one(Conversation)
+    assert length(Repo.all(Conversation.Participation)) == 2
+  end
+
   test "it creates a conversation for given ap_id" do
     assert {:ok, %Conversation{} = conversation} =
              Conversation.create_for_ap_id("https://some_ap_id")