1 files changed, 36 insertions, 6 deletions
diff --git a/lib/pleroma/activity/search.ex b/lib/pleroma/activity/search.ex
index 382c81118..ed898ba4f 100644
--- a/lib/pleroma/activity/search.ex
+++ b/lib/pleroma/activity/search.ex
@@ -1,5 +1,5 @@
 # Pleroma: A lightweight social networking server
-# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Activity.Search do
@@ -19,11 +19,18 @@ defmodule Pleroma.Activity.Search do
     offset = Keyword.get(options, :offset, 0)
     author = Keyword.get(options, :author)
 
+    search_function =
+      if :persistent_term.get({Pleroma.Repo, :postgres_version}) >= 11 do
+        :websearch
+      else
+        :plain
+      end
+
     Activity
     |> Activity.with_preloaded_object()
     |> Activity.restrict_deactivated_users()
     |> restrict_public()
-    |> query_with(index_type, search_query)
+    |> query_with(index_type, search_query, search_function)
     |> maybe_restrict_local(user)
     |> maybe_restrict_author(author)
     |> maybe_restrict_blocked(user)
@@ -53,22 +60,45 @@ defmodule Pleroma.Activity.Search do
     )
   end
 
-  defp query_with(q, :gin, search_query) do
+  defp query_with(q, :gin, search_query, :plain) do
+    from([a, o] in q,
+      where:
+        fragment(
+          "to_tsvector(?->>'content') @@ plainto_tsquery(?)",
+          o.data,
+          ^search_query
+        )
+    )
+  end
+
+  defp query_with(q, :gin, search_query, :websearch) do
     from([a, o] in q,
       where:
         fragment(
-          "to_tsvector('english', ?->>'content') @@ plainto_tsquery('english', ?)",
+          "to_tsvector(?->>'content') @@ websearch_to_tsquery(?)",
           o.data,
           ^search_query
         )
     )
   end
 
-  defp query_with(q, :rum, search_query) do
+  defp query_with(q, :rum, search_query, :plain) do
+    from([a, o] in q,
+      where:
+        fragment(
+          "? @@ plainto_tsquery(?)",
+          o.fts_content,
+          ^search_query
+        ),
+      order_by: [fragment("? <=> now()::date", o.inserted_at)]
+    )
+  end
+
+  defp query_with(q, :rum, search_query, :websearch) do
     from([a, o] in q,
       where:
         fragment(
-          "? @@ plainto_tsquery('english', ?)",
+          "? @@ websearch_to_tsquery(?)",
           o.fts_content,
           ^search_query
         ),