[#570] add user:notification stream

lib/pleroma/notification.ex

@@ -13,6 +13,8 @@ defmodule Pleroma.Notification do
   alias Pleroma.User
   alias Pleroma.Web.CommonAPI
   alias Pleroma.Web.CommonAPI.Utils
+  alias Pleroma.Web.Push
+  alias Pleroma.Web.Streamer
 
   import Ecto.Query
   import Ecto.Changeset
@@ -145,8 +147,9 @@ def create_notification(%Activity{} = activity, %User{} = user) do
     unless skip?(activity, user) do
       notification = %Notification{user_id: user.id, activity: activity}
       {:ok, notification} = Repo.insert(notification)
-      Pleroma.Web.Streamer.stream("user", notification)
-      Pleroma.Web.Push.send(notification)
+      Streamer.stream("user", notification)
+      Streamer.stream("user:notification", notification)
+      Push.send(notification)
       notification
     end
   end

lib/pleroma/web/mastodon_api/websocket_handler.ex

@@ -17,6 +17,7 @@ defmodule Pleroma.Web.MastodonAPI.WebsocketHandler do
     "public:media",
     "public:local:media",
     "user",
+    "user:notification",
     "direct",
     "list",
     "hashtag"

lib/pleroma/web/streamer.ex

@@ -110,23 +110,18 @@ def handle_cast(%{action: :stream, topic: "list", item: item}, topics) do
     {:noreply, topics}
   end
 
-  def handle_cast(%{action: :stream, topic: "user", item: %Notification{} = item}, topics) do
-    topic = "user:#{item.user_id}"
-
-    Enum.each(topics[topic] || [], fn socket ->
-      json =
-        %{
-          event: "notification",
-          payload:
-            NotificationView.render("show.json", %{
-              notification: item,
-              for: socket.assigns["user"]
-            })
-            |> Jason.encode!()
-        }
-        |> Jason.encode!()
-
-      send(socket.transport_pid, {:text, json})
+  def handle_cast(
+        %{action: :stream, topic: topic, item: %Notification{} = item},
+        topics
+      )
+      when topic in ["user", "user:notification"] do
+    topics
+    |> Map.get("#{topic}:#{item.user_id}", [])
+    |> Enum.each(fn socket ->
+      send(
+        socket.transport_pid,
+        {:text, represent_notification(socket.assigns[:user], item)}
+      )
     end)
 
     {:noreply, topics}
@@ -216,6 +211,20 @@ def represent_conversation(%Participation{} = participation) do
     |> Jason.encode!()
   end
 
+  @spec represent_notification(User.t(), Notification.t()) :: binary()
+  defp represent_notification(%User{} = user, %Notification{} = notify) do
+    %{
+      event: "notification",
+      payload:
+        NotificationView.render(
+          "show.json",
+          %{notification: notify, for: user}
+        )
+        |> Jason.encode!()
+    }
+    |> Jason.encode!()
+  end
+
   def push_to_socket(topics, topic, %Activity{data: %{"type" => "Announce"}} = item) do
     Enum.each(topics[topic] || [], fn socket ->
       # Get the current user so we have up-to-date blocks etc.
@@ -274,7 +283,7 @@ def push_to_socket(topics, topic, item) do
     end)
   end
 
-  defp internal_topic(topic, socket) when topic in ~w[user direct] do
+  defp internal_topic(topic, socket) when topic in ~w[user user:notification direct] do
     "#{topic}:#{socket.assigns[:user].id}"
   end
 

test/integration/mastodon_websocket_test.exs

@@ -97,5 +97,15 @@ test "receives well formatted events" do
     test "accepts valid tokens", state do
       assert {:ok, _} = start_socket("?stream=user&access_token=#{state.token.token}")
     end
+
+    test "accepts the 'user' stream", %{token: token} = _state do
+      assert {:ok, _} = start_socket("?stream=user&access_token=#{token.token}")
+      assert {:error, {403, "Forbidden"}} = start_socket("?stream=user")
+    end
+
+    test "accepts the 'user:notification' stream", %{token: token} = _state do
+      assert {:ok, _} = start_socket("?stream=user:notification&access_token=#{token.token}")
+      assert {:error, {403, "Forbidden"}} = start_socket("?stream=user:notification")
+    end
   end
 end

test/notification_test.exs

@@ -8,6 +8,7 @@ defmodule Pleroma.NotificationTest do
   alias Pleroma.User
   alias Pleroma.Web.ActivityPub.Transmogrifier
   alias Pleroma.Web.CommonAPI
+  alias Pleroma.Web.Streamer
   alias Pleroma.Web.TwitterAPI.TwitterAPI
   import Pleroma.Factory
 
@@ -44,13 +45,42 @@ test "it creates a notification for subscribed users" do
   end
 
   describe "create_notification" do
+    setup do
+      GenServer.start(Streamer, %{}, name: Streamer)
+
+      on_exit(fn ->
+        if pid = Process.whereis(Streamer) do
+          Process.exit(pid, :kill)
+        end
+      end)
+    end
+
+    test "it creates a notification for user and send to the 'user' and the 'user:notification' stream" do
+      user = insert(:user)
+      task = Task.async(fn -> assert_receive {:text, _}, 4_000 end)
+      task_user_notification = Task.async(fn -> assert_receive {:text, _}, 4_000 end)
+      Streamer.add_socket("user", %{transport_pid: task.pid, assigns: %{user: user}})
+
+      Streamer.add_socket(
+        "user:notification",
+        %{transport_pid: task_user_notification.pid, assigns: %{user: user}}
+      )
+
+      activity = insert(:note_activity)
+
+      notify = Notification.create_notification(activity, user)
+      assert notify.user_id == user.id
+      Task.await(task)
+      Task.await(task_user_notification)
+    end
+
     test "it doesn't create a notification for user if the user blocks the activity author" do
       activity = insert(:note_activity)
       author = User.get_cached_by_ap_id(activity.data["actor"])
       user = insert(:user)
       {:ok, user} = User.block(user, author)
 
-      assert nil == Notification.create_notification(activity, user)
+      refute Notification.create_notification(activity, user)
     end
 
     test "it doesn't create a notificatin for the user if the user mutes the activity author" do
@@ -60,7 +90,7 @@ test "it doesn't create a notificatin for the user if the user mutes the activit
       muter = Repo.get(User, muter.id)
       {:ok, activity} = CommonAPI.post(muted, %{"status" => "Hi @#{muter.nickname}"})
 
-      assert nil == Notification.create_notification(activity, muter)
+      refute Notification.create_notification(activity, muter)
     end
 
     test "it doesn't create a notification for an activity from a muted thread" do
@@ -75,7 +105,7 @@ test "it doesn't create a notification for an activity from a muted thread" do
           "in_reply_to_status_id" => activity.id
         })
 
-      assert nil == Notification.create_notification(activity, muter)
+      refute Notification.create_notification(activity, muter)
     end
 
     test "it disables notifications from followers" do
@@ -83,14 +113,14 @@ test "it disables notifications from followers" do
       followed = insert(:user, info: %{notification_settings: %{"followers" => false}})
       User.follow(follower, followed)
       {:ok, activity} = CommonAPI.post(follower, %{"status" => "hey @#{followed.nickname}"})
-      assert nil == Notification.create_notification(activity, followed)
+      refute Notification.create_notification(activity, followed)
     end
 
     test "it disables notifications from non-followers" do
       follower = insert(:user)
       followed = insert(:user, info: %{notification_settings: %{"non_followers" => false}})
       {:ok, activity} = CommonAPI.post(follower, %{"status" => "hey @#{followed.nickname}"})
-      assert nil == Notification.create_notification(activity, followed)
+      refute Notification.create_notification(activity, followed)
     end
 
     test "it disables notifications from people the user follows" do
@@ -99,21 +129,21 @@ test "it disables notifications from people the user follows" do
       User.follow(follower, followed)
       follower = Repo.get(User, follower.id)
       {:ok, activity} = CommonAPI.post(followed, %{"status" => "hey @#{follower.nickname}"})
-      assert nil == Notification.create_notification(activity, follower)
+      refute Notification.create_notification(activity, follower)
     end
 
     test "it disables notifications from people the user does not follow" do
       follower = insert(:user, info: %{notification_settings: %{"non_follows" => false}})
       followed = insert(:user)
       {:ok, activity} = CommonAPI.post(followed, %{"status" => "hey @#{follower.nickname}"})
-      assert nil == Notification.create_notification(activity, follower)
+      refute Notification.create_notification(activity, follower)
     end
 
     test "it doesn't create a notification for user if he is the activity author" do
       activity = insert(:note_activity)
       author = User.get_cached_by_ap_id(activity.data["actor"])
 
-      assert nil == Notification.create_notification(activity, author)
+      refute Notification.create_notification(activity, author)
     end
 
     test "it doesn't create a notification for follow-unfollow-follow chains" do
@@ -123,7 +153,7 @@ test "it doesn't create a notification for follow-unfollow-follow chains" do
       Notification.create_notification(activity, followed_user)
       TwitterAPI.unfollow(user, %{"user_id" => followed_user.id})
       {:ok, _, _, activity_dupe} = TwitterAPI.follow(user, %{"user_id" => followed_user.id})
-      assert nil == Notification.create_notification(activity_dupe, followed_user)
+      refute Notification.create_notification(activity_dupe, followed_user)
     end
 
     test "it doesn't create a notification for like-unlike-like chains" do
@@ -134,7 +164,7 @@ test "it doesn't create a notification for like-unlike-like chains" do
       Notification.create_notification(fav_status, liked_user)
       TwitterAPI.unfav(user, status.id)
       {:ok, dupe} = TwitterAPI.fav(user, status.id)
-      assert nil == Notification.create_notification(dupe, liked_user)
+      refute Notification.create_notification(dupe, liked_user)
     end
 
     test "it doesn't create a notification for repeat-unrepeat-repeat chains" do
@@ -150,7 +180,7 @@ test "it doesn't create a notification for repeat-unrepeat-repeat chains" do
       Notification.create_notification(retweeted_activity, retweeted_user)
       TwitterAPI.unrepeat(user, status.id)
       {:ok, dupe} = TwitterAPI.repeat(user, status.id)
-      assert nil == Notification.create_notification(dupe, retweeted_user)
+      refute Notification.create_notification(dupe, retweeted_user)
     end
 
     test "it doesn't create duplicate notifications for follow+subscribed users" do

test/web/streamer_test.exs

@@ -21,6 +21,52 @@ defmodule Pleroma.Web.StreamerTest do
     :ok
   end
 
+  describe "user streams" do
+    setup do
+      GenServer.start(Streamer, %{}, name: Streamer)
+
+      on_exit(fn ->
+        if pid = Process.whereis(Streamer) do
+          Process.exit(pid, :kill)
+        end
+      end)
+
+      user = insert(:user)
+      notify = insert(:notification, user: user, activity: build(:note_activity))
+      {:ok, %{user: user, notify: notify}}
+    end
+
+    test "it sends notify to in the 'user' stream", %{user: user, notify: notify} do
+      task =
+        Task.async(fn ->
+          assert_receive {:text, _}, 4_000
+        end)
+
+      Streamer.add_socket(
+        "user",
+        %{transport_pid: task.pid, assigns: %{user: user}}
+      )
+
+      Streamer.stream("user", notify)
+      Task.await(task)
+    end
+
+    test "it sends notify to in the 'user:notification' stream", %{user: user, notify: notify} do
+      task =
+        Task.async(fn ->
+          assert_receive {:text, _}, 4_000
+        end)
+
+      Streamer.add_socket(
+        "user:notification",
+        %{transport_pid: task.pid, assigns: %{user: user}}
+      )
+
+      Streamer.stream("user:notification", notify)
+      Task.await(task)
+    end
+  end
+
   test "it sends to public" do
     user = insert(:user)
     other_user = insert(:user)