Save context in likes / announces.

lib/pleroma/web/activity_pub/activity_pub.ex

@@ -55,7 +55,8 @@ def like(%User{ap_id: ap_id} = user, %Object{data: %{ "id" => id}} = object) do
           "type" => "Like",
           "actor" => ap_id,
           "object" => id,
-          "to" => [User.ap_followers(user), object.data["actor"]]
+          "to" => [User.ap_followers(user), object.data["actor"]],
+          "context" => object.data["context"]
         }
 
         {:ok, activity} = insert(data)
@@ -177,7 +178,8 @@ def announce(%User{ap_id: ap_id} = user, %Object{data: %{"id" => id}} = object)
       "type" => "Announce",
       "actor" => ap_id,
       "object" => id,
-      "to" => [User.ap_followers(user), object.data["actor"]]
+      "to" => [User.ap_followers(user), object.data["actor"]],
+      "context" => object.data["context"]
     }
 
     {:ok, activity} = insert(data)

test/web/activity_pub/activity_pub_test.exs

@@ -125,6 +125,7 @@ test "adds a like activity to the db" do
       assert like_activity.data["type"] == "Like"
       assert like_activity.data["object"] == object.data["id"]
       assert like_activity.data["to"] == [User.ap_followers(user), note_activity.data["actor"]]
+      assert like_activity.data["context"] == object.data["context"]
       assert object.data["like_count"] == 1
       assert object.data["likes"] == [user.ap_id]
 
@@ -174,6 +175,7 @@ test "adds an announce activity to the db" do
       assert announce_activity.data["to"] == [User.ap_followers(user), note_activity.data["actor"]]
       assert announce_activity.data["object"] == object.data["id"]
       assert announce_activity.data["actor"] == user.ap_id
+      assert announce_activity.data["context"] == object.data["context"]
     end
   end