1 files changed, 44 insertions, 0 deletions
diff --git a/lib/pleroma/web/common_api/common_api.ex b/lib/pleroma/web/common_api/common_api.ex
index bb3c38f00..7ec6aa0ea 100644
--- a/lib/pleroma/web/common_api/common_api.ex
+++ b/lib/pleroma/web/common_api/common_api.ex
@@ -164,4 +164,48 @@ defmodule Pleroma.Web.CommonAPI do
       object: Pleroma.Web.ActivityPub.UserView.render("user.json", %{user: user})
     })
   end
+
+  def pin(id_or_ap_id, %{ap_id: user_ap_id} = user) do
+    with %Activity{
+           actor: ^user_ap_id,
+           data: %{
+             "type" => "Create",
+             "object" => %{
+               "to" => object_to,
+               "type" => "Note"
+             }
+           }
+         } = activity <- get_by_id_or_ap_id(id_or_ap_id),
+         true <- Enum.member?(object_to, "https://www.w3.org/ns/activitystreams#Public"),
+         %{valid?: true} = info_changeset <-
+           Pleroma.User.Info.add_pinnned_activity(user.info, activity),
+         changeset <-
+           Ecto.Changeset.change(user) |> Ecto.Changeset.put_embed(:info, info_changeset),
+         {:ok, _user} <- User.update_and_set_cache(changeset) do
+      {:ok, activity}
+    else
+      %{errors: [pinned_activities: {err, _}]} ->
+        {:error, err}
+
+      _ ->
+        {:error, "Could not pin"}
+    end
+  end
+
+  def unpin(id_or_ap_id, user) do
+    with %Activity{} = activity <- get_by_id_or_ap_id(id_or_ap_id),
+         %{valid?: true} = info_changeset <-
+           Pleroma.User.Info.remove_pinnned_activity(user.info, activity),
+         changeset <-
+           Ecto.Changeset.change(user) |> Ecto.Changeset.put_embed(:info, info_changeset),
+         {:ok, _user} <- User.update_and_set_cache(changeset) do
+      {:ok, activity}
+    else
+      %{errors: [pinned_activities: {err, _}]} ->
+        {:error, err}
+
+      _ ->
+        {:error, "Could not unpin"}
+    end
+  end
 end