notification: add non_follows/non_followers notification control settings

lib/pleroma/notification.ex

@@ -166,7 +166,17 @@ def get_notified_from_activity(
   def get_notified_from_activity(_, _local_only), do: []
 
   def skip?(activity, user) do
-    [:self, :blocked, :local, :muted, :followers, :follows, :recently_followed]
+    [
+      :self,
+      :blocked,
+      :local,
+      :muted,
+      :followers,
+      :follows,
+      :non_followers,
+      :non_follows,
+      :recently_followed
+    ]
     |> Enum.any?(&skip?(&1, activity, user))
   end
 
@@ -201,12 +211,32 @@ def skip?(
     User.following?(follower, user)
   end
 
+  def skip?(
+        :non_followers,
+        activity,
+        %{info: %{notification_settings: %{"non_followers" => false}}} = user
+      ) do
+    actor = activity.data["actor"]
+    follower = User.get_cached_by_ap_id(actor)
+    !User.following?(follower, user)
+  end
+
   def skip?(:follows, activity, %{info: %{notification_settings: %{"follows" => false}}} = user) do
     actor = activity.data["actor"]
     followed = User.get_cached_by_ap_id(actor)
     User.following?(user, followed)
   end
 
+  def skip?(
+        :non_follows,
+        activity,
+        %{info: %{notification_settings: %{"non_follows" => false}}} = user
+      ) do
+    actor = activity.data["actor"]
+    followed = User.get_cached_by_ap_id(actor)
+    !User.following?(user, followed)
+  end
+
   def skip?(:recently_followed, %{data: %{"type" => "Follow"}} = activity, user) do
     actor = activity.data["actor"]
 

lib/pleroma/user/info.ex

@@ -47,7 +47,14 @@ defmodule Pleroma.User.Info do
     field(:emoji, {:array, :map}, default: [])
 
     field(:notification_settings, :map,
-      default: %{"remote" => true, "local" => true, "followers" => true, "follows" => true}
+      default: %{
+        "remote" => true,
+        "local" => true,
+        "followers" => true,
+        "follows" => true,
+        "non_follows" => true,
+        "non_followers" => true
+      }
     )
 
     # Found in the wild
@@ -71,7 +78,7 @@ def update_notification_settings(info, settings) do
     notification_settings =
       info.notification_settings
       |> Map.merge(settings)
-      |> Map.take(["remote", "local", "followers", "follows"])
+      |> Map.take(["remote", "local", "followers", "follows", "non_follows", "non_followers"])
 
     params = %{notification_settings: notification_settings}