From e116e55cabb34d468866231d1690421792c27a0c Mon Sep 17 00:00:00 2001
From: Maxim Filippov <colixer@gmail.com>
Date: Fri, 18 Jan 2019 22:40:52 +0300
Subject: [PATCH 1/4] Add actor to recipients

---
 lib/pleroma/web/activity_pub/activity_pub.ex           |  8 ++++++++
 test/web/mastodon_api/mastodon_api_controller_test.exs | 10 ++++++++++
 2 files changed, 18 insertions(+)

diff --git a/lib/pleroma/web/activity_pub/activity_pub.ex b/lib/pleroma/web/activity_pub/activity_pub.ex
index 5b87f7462..487d4c84a 100644
--- a/lib/pleroma/web/activity_pub/activity_pub.ex
+++ b/lib/pleroma/web/activity_pub/activity_pub.ex
@@ -36,6 +36,14 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
     {recipients, to, cc}
   end
 
+  defp get_recipients(%{"type" => "Create"} = data) do
+    to = data["to"] || []
+    cc = data["cc"] || []
+    actor = data["actor"] || []
+    recipients = (to ++ cc ++ [actor]) |> Enum.uniq()
+    {recipients, to, cc}
+  end
+
   defp get_recipients(data) do
     to = data["to"] || []
     cc = data["cc"] || []
diff --git a/test/web/mastodon_api/mastodon_api_controller_test.exs b/test/web/mastodon_api/mastodon_api_controller_test.exs
index fe8f845c7..ce3aa5a02 100644
--- a/test/web/mastodon_api/mastodon_api_controller_test.exs
+++ b/test/web/mastodon_api/mastodon_api_controller_test.exs
@@ -181,6 +181,16 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIControllerTest do
     assert %{"visibility" => "direct"} = status
     assert status["url"] != direct.data["id"]
 
+    # User should be able to see his own direct message
+    res_conn =
+      build_conn()
+      |> assign(:user, user_one)
+      |> get("api/v1/timelines/direct")
+
+    [status] = json_response(res_conn, 200)
+
+    assert %{"visibility" => "direct"} = status
+
     # Both should be visible here
     res_conn =
       conn

From 651a1d64b53db061cc6a24099e706a64cc6d6dd8 Mon Sep 17 00:00:00 2001
From: Maxim Filippov <colixer@gmail.com>
Date: Sat, 19 Jan 2019 04:25:15 +0300
Subject: [PATCH 2/4] Add current user to mentioned

---
 .../web/twitter_api/representers/activity_representer.ex    | 6 +++++-
 test/user_test.exs                                          | 5 +++--
 test/web/activity_pub/activity_pub_test.exs                 | 2 +-
 test/web/mastodon_api/mastodon_api_controller_test.exs      | 2 +-
 test/web/mastodon_api/status_view_test.exs                  | 4 +++-
 test/web/twitter_api/views/activity_view_test.exs           | 4 +---
 6 files changed, 14 insertions(+), 9 deletions(-)

diff --git a/lib/pleroma/web/twitter_api/representers/activity_representer.ex b/lib/pleroma/web/twitter_api/representers/activity_representer.ex
index 4f8f228ab..0ddbef634 100644
--- a/lib/pleroma/web/twitter_api/representers/activity_representer.ex
+++ b/lib/pleroma/web/twitter_api/representers/activity_representer.ex
@@ -155,7 +155,7 @@ defmodule Pleroma.Web.TwitterAPI.Representers.ActivityRepresenter do
     repeated = opts[:for] && opts[:for].ap_id in (object["announcements"] || [])
     pinned = activity.id in user.info.pinned_activities
 
-    mentions = opts[:mentioned] || []
+    mentions = get_mentioned_users(opts[:mentioned] || [], user)
 
     attentions =
       activity.recipients
@@ -224,6 +224,10 @@ defmodule Pleroma.Web.TwitterAPI.Representers.ActivityRepresenter do
     end
   end
 
+  defp get_mentioned_users(mentioned, user) do
+    mentioned ++ [user]
+  end
+
   defp to_boolean(false) do
     false
   end
diff --git a/test/user_test.exs b/test/user_test.exs
index cfccce8d1..935c9c5b1 100644
--- a/test/user_test.exs
+++ b/test/user_test.exs
@@ -672,12 +672,13 @@ defmodule Pleroma.UserTest do
         "status" => "hey @#{addressed.nickname} @#{addressed_remote.nickname}"
       })
 
-    assert [addressed] == User.get_recipients_from_activity(activity)
+    assert Enum.map([actor, addressed], & &1.ap_id) --
+             Enum.map(User.get_recipients_from_activity(activity), & &1.ap_id) == []
 
     {:ok, user} = User.follow(user, actor)
     {:ok, _user_two} = User.follow(user_two, actor)
     recipients = User.get_recipients_from_activity(activity)
-    assert length(recipients) == 2
+    assert length(recipients) == 3
     assert user in recipients
     assert addressed in recipients
   end
diff --git a/test/web/activity_pub/activity_pub_test.exs b/test/web/activity_pub/activity_pub_test.exs
index eafb96f3a..6b1debc61 100644
--- a/test/web/activity_pub/activity_pub_test.exs
+++ b/test/web/activity_pub/activity_pub_test.exs
@@ -160,7 +160,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubTest do
 
       assert activity.data["to"] == ["user1", "user2"]
       assert activity.actor == user.ap_id
-      assert activity.recipients == ["user1", "user2"]
+      assert activity.recipients == ["user1", "user2", user.ap_id]
     end
   end
 
diff --git a/test/web/mastodon_api/mastodon_api_controller_test.exs b/test/web/mastodon_api/mastodon_api_controller_test.exs
index ce3aa5a02..fdd3f1213 100644
--- a/test/web/mastodon_api/mastodon_api_controller_test.exs
+++ b/test/web/mastodon_api/mastodon_api_controller_test.exs
@@ -147,7 +147,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIControllerTest do
 
     assert %{"id" => id, "visibility" => "direct"} = json_response(conn, 200)
     assert activity = Repo.get(Activity, id)
-    assert activity.recipients == [user2.ap_id]
+    assert activity.recipients == [user2.ap_id, user1.ap_id]
     assert activity.data["to"] == [user2.ap_id]
     assert activity.data["cc"] == []
   end
diff --git a/test/web/mastodon_api/status_view_test.exs b/test/web/mastodon_api/status_view_test.exs
index 1076b5002..5779a030e 100644
--- a/test/web/mastodon_api/status_view_test.exs
+++ b/test/web/mastodon_api/status_view_test.exs
@@ -119,7 +119,9 @@ defmodule Pleroma.Web.MastodonAPI.StatusViewTest do
 
     status = StatusView.render("status.json", %{activity: activity})
 
-    assert status.mentions == [AccountView.render("mention.json", %{user: user})]
+    actor = Repo.get_by(User, ap_id: activity.actor)
+    
+    assert status.mentions == Enum.map([user, actor], fn u -> AccountView.render("mention.json", %{user: u}) end)
   end
 
   test "attachments" do
diff --git a/test/web/twitter_api/views/activity_view_test.exs b/test/web/twitter_api/views/activity_view_test.exs
index 8b5a16add..4aa8c16bc 100644
--- a/test/web/twitter_api/views/activity_view_test.exs
+++ b/test/web/twitter_api/views/activity_view_test.exs
@@ -118,9 +118,7 @@ defmodule Pleroma.Web.TwitterAPI.ActivityViewTest do
     expected = %{
       "activity_type" => "post",
       "attachments" => [],
-      "attentions" => [
-        UserView.render("show.json", %{user: other_user})
-      ],
+      "attentions" => Enum.map([other_user, user], fn u -> UserView.render("show.json", %{user: u}) end),
       "created_at" => activity.data["object"]["published"] |> Utils.date_to_asctime(),
       "external_url" => activity.data["object"]["id"],
       "fave_num" => 0,

From 0a97baddddbb8bf89c806f7e5b7cd754c88f4fe5 Mon Sep 17 00:00:00 2001
From: Maxim Filippov <colixer@gmail.com>
Date: Sat, 19 Jan 2019 04:26:52 +0300
Subject: [PATCH 3/4] Format

---
 test/web/mastodon_api/status_view_test.exs        | 5 +++--
 test/web/twitter_api/views/activity_view_test.exs | 3 ++-
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/test/web/mastodon_api/status_view_test.exs b/test/web/mastodon_api/status_view_test.exs
index 5779a030e..82bf71c70 100644
--- a/test/web/mastodon_api/status_view_test.exs
+++ b/test/web/mastodon_api/status_view_test.exs
@@ -120,8 +120,9 @@ defmodule Pleroma.Web.MastodonAPI.StatusViewTest do
     status = StatusView.render("status.json", %{activity: activity})
 
     actor = Repo.get_by(User, ap_id: activity.actor)
-    
-    assert status.mentions == Enum.map([user, actor], fn u -> AccountView.render("mention.json", %{user: u}) end)
+
+    assert status.mentions ==
+             Enum.map([user, actor], fn u -> AccountView.render("mention.json", %{user: u}) end)
   end
 
   test "attachments" do
diff --git a/test/web/twitter_api/views/activity_view_test.exs b/test/web/twitter_api/views/activity_view_test.exs
index 4aa8c16bc..0f514dab1 100644
--- a/test/web/twitter_api/views/activity_view_test.exs
+++ b/test/web/twitter_api/views/activity_view_test.exs
@@ -118,7 +118,8 @@ defmodule Pleroma.Web.TwitterAPI.ActivityViewTest do
     expected = %{
       "activity_type" => "post",
       "attachments" => [],
-      "attentions" => Enum.map([other_user, user], fn u -> UserView.render("show.json", %{user: u}) end),
+      "attentions" =>
+        Enum.map([other_user, user], fn u -> UserView.render("show.json", %{user: u}) end),
       "created_at" => activity.data["object"]["published"] |> Utils.date_to_asctime(),
       "external_url" => activity.data["object"]["id"],
       "fave_num" => 0,

From 9274cabe01977a3c2d35059d7889c63e2bd54de1 Mon Sep 17 00:00:00 2001
From: Maxim Filippov <colixer@gmail.com>
Date: Thu, 24 Jan 2019 23:30:43 +0300
Subject: [PATCH 4/4] Use correct logic to determine "attentions" list

---
 lib/pleroma/notification.ex                   | 49 ++-----------------
 lib/pleroma/web/common_api/utils.ex           | 42 ++++++++++++++++
 .../representers/activity_representer.ex      | 10 ++--
 .../web/twitter_api/views/activity_view.ex    |  4 +-
 .../twitter_api/views/activity_view_test.exs  |  5 +-
 5 files changed, 56 insertions(+), 54 deletions(-)

diff --git a/lib/pleroma/notification.ex b/lib/pleroma/notification.ex
index c7d01f63b..4659e14ef 100644
--- a/lib/pleroma/notification.ex
+++ b/lib/pleroma/notification.ex
@@ -4,7 +4,8 @@
 
 defmodule Pleroma.Notification do
   use Ecto.Schema
-  alias Pleroma.{User, Activity, Notification, Repo, Object}
+  alias Pleroma.{User, Activity, Notification, Repo}
+  alias Pleroma.Web.CommonAPI.Utils
   import Ecto.Query
 
   schema "notifications" do
@@ -132,54 +133,12 @@ defmodule Pleroma.Notification do
       when type in ["Create", "Like", "Announce", "Follow"] do
     recipients =
       []
-      |> maybe_notify_to_recipients(activity)
-      |> maybe_notify_mentioned_recipients(activity)
+      |> Utils.maybe_notify_to_recipients(activity)
+      |> Utils.maybe_notify_mentioned_recipients(activity)
       |> Enum.uniq()
 
     User.get_users_from_set(recipients, local_only)
   end
 
   def get_notified_from_activity(_, _local_only), do: []
-
-  defp maybe_notify_to_recipients(
-         recipients,
-         %Activity{data: %{"to" => to, "type" => _type}} = _activity
-       ) do
-    recipients ++ to
-  end
-
-  defp maybe_notify_mentioned_recipients(
-         recipients,
-         %Activity{data: %{"to" => _to, "type" => type} = data} = _activity
-       )
-       when type == "Create" do
-    object = Object.normalize(data["object"])
-
-    object_data =
-      cond do
-        !is_nil(object) ->
-          object.data
-
-        is_map(data["object"]) ->
-          data["object"]
-
-        true ->
-          %{}
-      end
-
-    tagged_mentions = maybe_extract_mentions(object_data)
-
-    recipients ++ tagged_mentions
-  end
-
-  defp maybe_notify_mentioned_recipients(recipients, _), do: recipients
-
-  defp maybe_extract_mentions(%{"tag" => tag}) do
-    tag
-    |> Enum.filter(fn x -> is_map(x) end)
-    |> Enum.filter(fn x -> x["type"] == "Mention" end)
-    |> Enum.map(fn x -> x["href"] end)
-  end
-
-  defp maybe_extract_mentions(_), do: []
 end
diff --git a/lib/pleroma/web/common_api/utils.ex b/lib/pleroma/web/common_api/utils.ex
index 7e30d224c..d36875705 100644
--- a/lib/pleroma/web/common_api/utils.ex
+++ b/lib/pleroma/web/common_api/utils.ex
@@ -259,4 +259,46 @@ defmodule Pleroma.Web.CommonAPI.Utils do
       }
     end)
   end
+
+  def maybe_notify_to_recipients(
+        recipients,
+        %Activity{data: %{"to" => to, "type" => _type}} = _activity
+      ) do
+    recipients ++ to
+  end
+
+  def maybe_notify_mentioned_recipients(
+        recipients,
+        %Activity{data: %{"to" => _to, "type" => type} = data} = _activity
+      )
+      when type == "Create" do
+    object = Object.normalize(data["object"])
+
+    object_data =
+      cond do
+        !is_nil(object) ->
+          object.data
+
+        is_map(data["object"]) ->
+          data["object"]
+
+        true ->
+          %{}
+      end
+
+    tagged_mentions = maybe_extract_mentions(object_data)
+
+    recipients ++ tagged_mentions
+  end
+
+  def maybe_notify_mentioned_recipients(recipients, _), do: recipients
+
+  def maybe_extract_mentions(%{"tag" => tag}) do
+    tag
+    |> Enum.filter(fn x -> is_map(x) end)
+    |> Enum.filter(fn x -> x["type"] == "Mention" end)
+    |> Enum.map(fn x -> x["href"] end)
+  end
+
+  def maybe_extract_mentions(_), do: []
 end
diff --git a/lib/pleroma/web/twitter_api/representers/activity_representer.ex b/lib/pleroma/web/twitter_api/representers/activity_representer.ex
index 0ddbef634..19b723586 100644
--- a/lib/pleroma/web/twitter_api/representers/activity_representer.ex
+++ b/lib/pleroma/web/twitter_api/representers/activity_representer.ex
@@ -155,10 +155,12 @@ defmodule Pleroma.Web.TwitterAPI.Representers.ActivityRepresenter do
     repeated = opts[:for] && opts[:for].ap_id in (object["announcements"] || [])
     pinned = activity.id in user.info.pinned_activities
 
-    mentions = get_mentioned_users(opts[:mentioned] || [], user)
+    mentions = opts[:mentioned] || []
 
     attentions =
-      activity.recipients
+      []
+      |> Utils.maybe_notify_to_recipients(activity)
+      |> Utils.maybe_notify_mentioned_recipients(activity)
       |> Enum.map(fn ap_id -> Enum.find(mentions, fn user -> ap_id == user.ap_id end) end)
       |> Enum.filter(& &1)
       |> Enum.map(fn user -> UserView.render("show.json", %{user: user, for: opts[:for]}) end)
@@ -224,10 +226,6 @@ defmodule Pleroma.Web.TwitterAPI.Representers.ActivityRepresenter do
     end
   end
 
-  defp get_mentioned_users(mentioned, user) do
-    mentioned ++ [user]
-  end
-
   defp to_boolean(false) do
     false
   end
diff --git a/lib/pleroma/web/twitter_api/views/activity_view.ex b/lib/pleroma/web/twitter_api/views/activity_view.ex
index 108e7bfc5..9ae7846c0 100644
--- a/lib/pleroma/web/twitter_api/views/activity_view.ex
+++ b/lib/pleroma/web/twitter_api/views/activity_view.ex
@@ -246,7 +246,9 @@ defmodule Pleroma.Web.TwitterAPI.ActivityView do
     pinned = activity.id in user.info.pinned_activities
 
     attentions =
-      activity.recipients
+      []
+      |> Utils.maybe_notify_to_recipients(activity)
+      |> Utils.maybe_notify_mentioned_recipients(activity)
       |> Enum.map(fn ap_id -> get_user(ap_id, opts) end)
       |> Enum.filter(& &1)
       |> Enum.map(fn user -> UserView.render("show.json", %{user: user, for: opts[:for]}) end)
diff --git a/test/web/twitter_api/views/activity_view_test.exs b/test/web/twitter_api/views/activity_view_test.exs
index 0f514dab1..8b5a16add 100644
--- a/test/web/twitter_api/views/activity_view_test.exs
+++ b/test/web/twitter_api/views/activity_view_test.exs
@@ -118,8 +118,9 @@ defmodule Pleroma.Web.TwitterAPI.ActivityViewTest do
     expected = %{
       "activity_type" => "post",
       "attachments" => [],
-      "attentions" =>
-        Enum.map([other_user, user], fn u -> UserView.render("show.json", %{user: u}) end),
+      "attentions" => [
+        UserView.render("show.json", %{user: other_user})
+      ],
       "created_at" => activity.data["object"]["published"] |> Utils.date_to_asctime(),
       "external_url" => activity.data["object"]["id"],
       "fave_num" => 0,