update copyright years to 2019

[akkoma] / lib / pleroma / notification.ex

diff --git a/lib/pleroma/notification.ex b/lib/pleroma/notification.ex
index 75d7461e41dcce52120560cd4112a6af135b2e47..51d59870ce25ed86d9b7aee2ba798e36abe12394 100644 (file)
--- a/lib/pleroma/notification.ex
+++ b/lib/pleroma/notification.ex
@@ -1,6 +1,10 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Notification do
   use Ecto.Schema
-  alias Pleroma.{User, Activity, Notification, Repo}
+  alias Pleroma.{User, Activity, Notification, Repo, Object}
   import Ecto.Query
 
   schema "notifications" do
@@ -76,9 +80,8 @@ defmodule Pleroma.Notification do
   end
 
   def clear(user) do
-    query = from(n in Notification, where: n.user_id == ^user.id)
-
-    Repo.delete_all(query)
+    from(n in Notification, where: n.user_id == ^user.id)
+    |> Repo.delete_all()
   end
 
   def dismiss(%{id: user_id} = _user, id) do
@@ -95,7 +98,7 @@ defmodule Pleroma.Notification do
 
   def create_notifications(%Activity{id: _, data: %{"to" => _, "type" => type}} = activity)
       when type in ["Create", "Like", "Announce", "Follow"] do
-    users = User.get_notified_from_activity(activity)
+    users = get_notified_from_activity(activity)
 
     notifications = Enum.map(users, fn user -> create_notification(activity, user) end)
     {:ok, notifications}
@@ -110,7 +113,68 @@ defmodule Pleroma.Notification 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)
       notification
     end
   end
+
+  def get_notified_from_activity(activity, local_only \\ true)
+
+  def get_notified_from_activity(
+        %Activity{data: %{"to" => _, "type" => type} = _data} = activity,
+        local_only
+      )
+      when type in ["Create", "Like", "Announce", "Follow"] do
+    recipients =
+      []
+      |> maybe_notify_to_recipients(activity)
+      |> 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