Merge branch 'develop' into 'new-user-emails'
[akkoma] / lib / pleroma / activity / search.ex
index d30a5a6a57ac9a1e80a2644a15fe73bdcfb3af4c..ed898ba4ff847a79c93c15f6d9b6c7355057d50b 100644 (file)
@@ -1,5 +1,5 @@
 # Pleroma: A lightweight social networking server
-# Copyright © 2017-2019 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
@@ -19,25 +19,40 @@ 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)
-    |> Pagination.fetch_paginated(%{"offset" => offset, "limit" => limit}, :offset)
+    |> maybe_restrict_blocked(user)
+    |> Pagination.fetch_paginated(
+      %{"offset" => offset, "limit" => limit, "skip_order" => index_type == :rum},
+      :offset
+    )
     |> maybe_fetch(user, search_query)
   end
 
   def maybe_restrict_author(query, %User{} = author) do
-    from([a, o] in query,
-      where: a.actor == ^author.ap_id
-    )
+    Activity.Queries.by_author(query, author)
   end
 
   def maybe_restrict_author(query, _), do: query
 
+  def maybe_restrict_blocked(query, %User{} = user) do
+    Activity.Queries.exclude_authors(query, User.blocked_users_ap_ids(user))
+  end
+
+  def maybe_restrict_blocked(query, _), do: query
+
   defp restrict_public(q) do
     from([a, o] in q,
       where: fragment("?->>'type' = 'Create'", a.data),
@@ -45,22 +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('english', ?->>'content') @@ plainto_tsquery('english', ?)",
+          "to_tsvector(?->>'content') @@ plainto_tsquery(?)",
           o.data,
           ^search_query
         )
     )
   end
 
-  defp query_with(q, :rum, search_query) do
+  defp query_with(q, :gin, search_query, :websearch) do
+    from([a, o] in q,
+      where:
+        fragment(
+          "to_tsvector(?->>'content') @@ websearch_to_tsquery(?)",
+          o.data,
+          ^search_query
+        )
+    )
+  end
+
+  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
         ),