User Search: Also find user by uri

lib/pleroma/user/search.ex

@@ -5,6 +5,7 @@
 defmodule Pleroma.User.Search do
   alias Pleroma.Pagination
   alias Pleroma.User
+  alias Pleroma.EctoType.ActivityPub.ObjectValidators.Uri, as: UriType
   import Ecto.Query
 
   @limit 20
@@ -21,15 +22,12 @@ def search(query_string, opts \\ []) do
 
     # If this returns anything, it should bounce to the top
     maybe_resolved = maybe_resolve(resolve, for_user, query_string)
-    maybe_ap_id_match = User.get_cached_by_ap_id(query_string)
 
     top_user_ids =
-      case {maybe_resolved, maybe_ap_id_match} do
+      []
-        {{:ok, %User{} = user}, %User{} = other_user} -> [user.id, other_user.id]
+      |> maybe_add_resolved(maybe_resolved)
-        {{:ok, %User{} = user}, _} -> [user.id]
+      |> maybe_add_ap_id_match(query_string)
-        {_, %User{} = user} -> [user.id]
+      |> maybe_add_uri_match(query_string)
-        _ -> []
-      end
 
     results =
       query_string
@@ -39,6 +37,29 @@ def search(query_string, opts \\ []) do
     results
   end
 
+  defp maybe_add_resolved(list, {:ok, %User{} = user}) do
+    [user.id | list]
+  end
+
+  defp maybe_add_resolved(list, _), do: list
+
+  defp maybe_add_ap_id_match(list, query) do
+    if user = User.get_cached_by_ap_id(query) do
+      [user.id | list]
+    else
+      list
+    end
+  end
+
+  defp maybe_add_uri_match(list, query) do
+    with {:ok, query} <- UriType.cast(query),
+         %User{} = user <- Pleroma.Repo.get_by(User, uri: query) do
+      [user.id | list]
+    else
+      _ -> list
+    end
+  end
+
   defp format_query(query_string) do
     # Strip the beginning @ off if there is a query
     query_string = String.trim_leading(query_string, "@")

test/user_search_test.exs

@@ -36,6 +36,21 @@ test "returns a user with matching ap_id as the first result" do
       assert first_user.id == user.id
     end
 
+    test "returns a user with matching uri as the first result" do
+      user =
+        insert(:user, %{
+          nickname: "no_relation",
+          ap_id: "https://lain.com/users/lain",
+          uri: "https://lain.com/@lain"
+        })
+
+      _user = insert(:user, %{nickname: "com_user"})
+
+      [first_user, _second_user] = User.search("https://lain.com/@lain")
+
+      assert first_user.id == user.id
+    end
+
     test "excludes invisible users from results" do
       user = insert(:user, %{nickname: "john t1000"})
       insert(:user, %{invisible: true, nickname: "john t800"})