X-Git-Url: http://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fweb%2Fstreamer.ex;h=33041ec124a8079c40d37cdb7e0d5845b0e0a435;hb=17bcff64456144f2f2560f01c7dfa9db44cd09c2;hp=cc38058946980ac0aff19de8cabe5e6532e6ae45;hpb=bd5bdc4c247e2ebb239215540a51b69c356da65c;p=akkoma

diff --git a/lib/pleroma/web/streamer.ex b/lib/pleroma/web/streamer.ex
index cc3805894..33041ec12 100644
--- a/lib/pleroma/web/streamer.ex
+++ b/lib/pleroma/web/streamer.ex
@@ -1,9 +1,19 @@
 defmodule Pleroma.Web.Streamer do
   use GenServer
   require Logger
-  import Plug.Conn
+  alias Pleroma.{User, Notification}
+
+  def init(args) do
+    {:ok, args}
+  end
 
   def start_link do
+    spawn(fn ->
+      # 30 seconds
+      Process.sleep(1000 * 30)
+      GenServer.cast(__MODULE__, %{action: :ping})
+    end)
+
     GenServer.start_link(__MODULE__, %{}, name: __MODULE__)
   end
 
@@ -11,35 +21,125 @@ defmodule Pleroma.Web.Streamer do
     GenServer.cast(__MODULE__, %{action: :add, socket: socket, topic: topic})
   end
 
+  def remove_socket(topic, socket) do
+    GenServer.cast(__MODULE__, %{action: :remove, socket: socket, topic: topic})
+  end
+
   def stream(topic, item) do
     GenServer.cast(__MODULE__, %{action: :stream, topic: topic, item: item})
   end
 
+  def handle_cast(%{action: :ping}, topics) do
+    Map.values(topics)
+    |> List.flatten()
+    |> Enum.each(fn socket ->
+      Logger.debug("Sending keepalive ping")
+      send(socket.transport_pid, {:text, ""})
+    end)
+
+    spawn(fn ->
+      # 30 seconds
+      Process.sleep(1000 * 30)
+      GenServer.cast(__MODULE__, %{action: :ping})
+    end)
+
+    {: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:
+            Pleroma.Web.MastodonAPI.MastodonAPIController.render_notification(
+              socket.assigns["user"],
+              item
+            )
+            |> Jason.encode!()
+        }
+        |> Jason.encode!()
+
+      send(socket.transport_pid, {:text, json})
+    end)
+
+    {:noreply, topics}
+  end
+
+  def handle_cast(%{action: :stream, topic: "user", item: item}, topics) do
+    Logger.debug("Trying to push to users")
+
+    recipient_topics =
+      User.get_recipients_from_activity(item)
+      |> Enum.map(fn %{id: id} -> "user:#{id}" end)
+
+    Enum.each(recipient_topics, fn topic ->
+      push_to_socket(topics, topic, item)
+    end)
+
+    {:noreply, topics}
+  end
+
   def handle_cast(%{action: :stream, topic: topic, item: item}, topics) do
     Logger.debug("Trying to push to #{topic}")
     Logger.debug("Pushing item to #{topic}")
-    Enum.each(topics[topic] || [], fn (socket) ->
-      json = %{
-        event: "update",
-        payload: Pleroma.Web.MastodonAPI.StatusView.render("status.json", activity: item) |> Poison.encode!
-      } |> Poison.encode!
-
-      send socket.transport_pid, {:text, json}
-    end)
+    push_to_socket(topics, topic, item)
     {:noreply, topics}
   end
 
   def handle_cast(%{action: :add, topic: topic, socket: socket}, sockets) do
+    topic = internal_topic(topic, socket)
     sockets_for_topic = sockets[topic] || []
     sockets_for_topic = Enum.uniq([socket | sockets_for_topic])
     sockets = Map.put(sockets, topic, sockets_for_topic)
     Logger.debug("Got new conn for #{topic}")
-    IO.inspect(sockets)
+    {:noreply, sockets}
+  end
+
+  def handle_cast(%{action: :remove, topic: topic, socket: socket}, sockets) do
+    topic = internal_topic(topic, socket)
+    sockets_for_topic = sockets[topic] || []
+    sockets_for_topic = List.delete(sockets_for_topic, socket)
+    sockets = Map.put(sockets, topic, sockets_for_topic)
+    Logger.debug("Removed conn for #{topic}")
     {:noreply, sockets}
   end
 
   def handle_cast(m, state) do
-    IO.inspect("Unknown: #{inspect(m)}, #{inspect(state)}")
+    Logger.info("Unknown: #{inspect(m)}, #{inspect(state)}")
     {:noreply, state}
   end
+
+  def push_to_socket(topics, topic, item) do
+    Enum.each(topics[topic] || [], fn socket ->
+      # Get the current user so we have up-to-date blocks etc.
+      user = User.get_cached_by_ap_id(socket.assigns[:user].ap_id)
+      blocks = user.info["blocks"] || []
+
+      unless item.actor in blocks do
+        json =
+          %{
+            event: "update",
+            payload:
+              Pleroma.Web.MastodonAPI.StatusView.render(
+                "status.json",
+                activity: item,
+                for: user
+              )
+              |> Jason.encode!()
+          }
+          |> Jason.encode!()
+
+        send(socket.transport_pid, {:text, json})
+      end
+    end)
+  end
+
+  defp internal_topic("user", socket) do
+    "user:#{socket.assigns[:user].id}"
+  end
+
+  defp internal_topic(topic, _), do: topic
 end