Merge branch '518_instance_stats_fix' into 'develop'

[akkoma] / lib / pleroma / web / activity_pub / utils.ex

diff --git a/lib/pleroma/web/activity_pub/utils.ex b/lib/pleroma/web/activity_pub/utils.ex
index d438236c7f81fc8aabba97fa4a683701a5ec2704..6ecab773c7db314a6c9424016099499f27e10dd8 100644 (file)
--- a/lib/pleroma/web/activity_pub/utils.ex
+++ b/lib/pleroma/web/activity_pub/utils.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.ActivityPub.Utils do
   alias Pleroma.{Repo, Web, Object, Activity, User, Notification}
   alias Pleroma.Web.Router.Helpers
@@ -6,6 +10,8 @@ defmodule Pleroma.Web.ActivityPub.Utils do
   import Ecto.Query
   require Logger
 
+  @supported_object_types ["Article", "Note", "Video", "Page"]
+
   # Some implementations send the actor URI as the actor field, others send the entire actor object,
   # so figure out what the actor's URI is based on what we have.
   def get_ap_id(object) do
@@ -70,7 +76,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do
     %{
       "@context" => [
         "https://www.w3.org/ns/activitystreams",
-        "https://litepub.github.io/litepub/context.jsonld"
+        "#{Web.base_url()}/schemas/litepub-0.1.jsonld"
       ]
     }
   end
@@ -95,7 +101,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do
     "#{Web.base_url()}/#{type}/#{UUID.generate()}"
   end
 
-  def get_notified_from_object(%{"type" => type} = object) when type == "Note" do
+  def get_notified_from_object(%{"type" => type} = object) when type in @supported_object_types do
     fake_create_activity = %{
       "to" => object["to"],
       "cc" => object["cc"],
@@ -179,7 +185,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do
   Inserts a full object if it is contained in an activity.
   """
   def insert_full_object(%{"object" => %{"type" => type} = object_data})
-      when is_map(object_data) and type in ["Article", "Note", "Video", "Page"] do
+      when is_map(object_data) and type in @supported_object_types do
     with {:ok, _} <- Object.create(object_data) do
       :ok
     end
@@ -225,6 +231,27 @@ defmodule Pleroma.Web.ActivityPub.Utils do
     Repo.one(query)
   end
 
+  @doc """
+  Returns like activities targeting an object
+  """
+  def get_object_likes(%{data: %{"id" => id}}) do
+    query =
+      from(
+        activity in Activity,
+        # this is to use the index
+        where:
+          fragment(
+            "coalesce((?)->'object'->>'id', (?)->>'object') = ?",
+            activity.data,
+            activity.data,
+            ^id
+          ),
+        where: fragment("(?)->>'type' = 'Like'", activity.data)
+      )
+
+    Repo.all(query)
+  end
+
   def make_like_data(%User{ap_id: ap_id} = actor, %{data: %{"id" => id}} = object, activity_id) do
     data = %{
       "type" => "Like",
@@ -290,7 +317,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do
   """
   def make_follow_data(
         %User{ap_id: follower_id},
-        %User{ap_id: followed_id} = followed,
+        %User{ap_id: followed_id} = _followed,
         activity_id
       ) do
     data = %{