1 files changed, 33 insertions, 1 deletions
diff --git a/lib/pleroma/web/activity_pub/builder.ex b/lib/pleroma/web/activity_pub/builder.ex
index f56bfc600..cde477710 100644
--- a/lib/pleroma/web/activity_pub/builder.ex
+++ b/lib/pleroma/web/activity_pub/builder.ex
@@ -223,7 +223,7 @@ defmodule Pleroma.Web.ActivityPub.Builder do
           [actor.follower_address]
 
         public? and Visibility.is_local_public?(object) ->
-          [actor.follower_address, object.data["actor"], Pleroma.Constants.as_local_public()]
+          [actor.follower_address, object.data["actor"], Utils.as_local_public()]
 
         public? ->
           [actor.follower_address, object.data["actor"], Pleroma.Constants.as_public()]
@@ -273,4 +273,36 @@ defmodule Pleroma.Web.ActivityPub.Builder do
        "context" => object.data["context"]
      }, []}
   end
+
+  @spec pin(User.t(), Object.t()) :: {:ok, map(), keyword()}
+  def pin(%User{} = user, object) do
+    {:ok,
+     %{
+       "id" => Utils.generate_activity_id(),
+       "target" => pinned_url(user.nickname),
+       "object" => object.data["id"],
+       "actor" => user.ap_id,
+       "type" => "Add",
+       "to" => [Pleroma.Constants.as_public()],
+       "cc" => [user.follower_address]
+     }, []}
+  end
+
+  @spec unpin(User.t(), Object.t()) :: {:ok, map, keyword()}
+  def unpin(%User{} = user, object) do
+    {:ok,
+     %{
+       "id" => Utils.generate_activity_id(),
+       "target" => pinned_url(user.nickname),
+       "object" => object.data["id"],
+       "actor" => user.ap_id,
+       "type" => "Remove",
+       "to" => [Pleroma.Constants.as_public()],
+       "cc" => [user.follower_address]
+     }, []}
+  end
+
+  defp pinned_url(nickname) when is_binary(nickname) do
+    Pleroma.Web.Router.Helpers.activity_pub_url(Pleroma.Web.Endpoint, :pinned, nickname)
+  end
 end