clear follow requests when blocking a user

lib/pleroma/user.ex

@@ -21,6 +21,7 @@ defmodule Pleroma.User do
   alias Pleroma.Web
   alias Pleroma.Web.ActivityPub.ActivityPub
   alias Pleroma.Web.ActivityPub.Utils
+  alias Pleroma.Web.CommonAPI
   alias Pleroma.Web.CommonAPI.Utils, as: CommonUtils
   alias Pleroma.Web.OAuth
   alias Pleroma.Web.OStatus
@@ -914,6 +915,13 @@ def block(blocker, %User{ap_id: ap_id} = blocked) do
         blocker
       end
 
+    # clear any requested follows as well
+    blocked =
+      case CommonAPI.reject_follow_request(blocked, blocker) do
+        {:ok, %User{} = updated_blocked} -> updated_blocked
+        nil -> blocked
+      end
+
     blocker =
       if subscribed_to?(blocked, blocker) do
         {:ok, blocker} = unsubscribe(blocked, blocker)

test/user_test.exs

@@ -90,6 +90,17 @@ test "doesn't return already accepted or duplicate follow requests" do
     assert activity
   end
 
+  test "clears follow requests when requester is blocked" do
+    followed = insert(:user, %{info: %{locked: true}})
+    follower = insert(:user)
+
+    Pleroma.Web.TwitterAPI.TwitterAPI.follow(follower, %{"user_id" => followed.id})
+    assert {:ok, [_activity]} = User.get_follow_requests(followed)
+
+    {:ok, _follower} = User.block(followed, follower)
+    assert {:ok, []} = User.get_follow_requests(followed)
+  end
+
   test "follow_all follows mutliple users" do
     user = insert(:user)
     followed_zero = insert(:user)