From 7058cac1c2eeb46ef6e95b6af863c931f8d38f06 Mon Sep 17 00:00:00 2001
From: rinpatch <rinpatch@sdf.org>
Date: Thu, 22 Oct 2020 10:56:17 +0000
Subject: [PATCH] Merge branch '2257-self-chat' into 'develop'

Resolve "Can't message yourself in a chat (but can start it)"

Closes #2257

See merge request pleroma/pleroma!3099
---
 CHANGELOG.md                                 |  1 +
 lib/pleroma/web/activity_pub/side_effects.ex |  1 +
 test/pleroma/web/common_api_test.exs         | 14 ++++++++++++++
 3 files changed, 16 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 80ca6a350..01038b7ec 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -49,6 +49,7 @@ switched to a new configuration mechanism, however it was not officially removed
 
 - Add documented-but-missing chat pagination.
 - Allow sending out emails again.
+- Allow sending chat messages to yourself
 
 ### Upgrade notes
 
diff --git a/lib/pleroma/web/activity_pub/side_effects.ex b/lib/pleroma/web/activity_pub/side_effects.ex
index d421ca7af..0fff5faf2 100644
--- a/lib/pleroma/web/activity_pub/side_effects.ex
+++ b/lib/pleroma/web/activity_pub/side_effects.ex
@@ -306,6 +306,7 @@ defmodule Pleroma.Web.ActivityPub.SideEffects do
 
       streamables =
         [[actor, recipient], [recipient, actor]]
+        |> Enum.uniq()
         |> Enum.map(fn [user, other_user] ->
           if user.local do
             {:ok, chat} = Chat.bump_or_create(user.id, other_user.ap_id)
diff --git a/test/pleroma/web/common_api_test.exs b/test/pleroma/web/common_api_test.exs
index 64476a099..c5b90ad84 100644
--- a/test/pleroma/web/common_api_test.exs
+++ b/test/pleroma/web/common_api_test.exs
@@ -95,6 +95,20 @@ defmodule Pleroma.Web.CommonAPITest do
   describe "posting chat messages" do
     setup do: clear_config([:instance, :chat_limit])
 
+    test "it posts a self-chat" do
+      author = insert(:user)
+      recipient = author
+
+      {:ok, activity} =
+        CommonAPI.post_chat_message(
+          author,
+          recipient,
+          "remember to buy milk when milk truk arive"
+        )
+
+      assert activity.data["type"] == "Create"
+    end
+
     test "it posts a chat message without content but with an attachment" do
       author = insert(:user)
       recipient = insert(:user)