# Pleroma: A lightweight social networking server
-# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
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),
)
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(
)
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('english', ?->>'content') @@ websearch_to_tsquery('english', ?)",
+ o.data,
+ ^search_query
+ )
+ )
+ end
+
+ defp query_with(q, :rum, search_query, :plain) do
from([a, o] in q,
where:
fragment(
)
end
+ defp query_with(q, :rum, search_query, :websearch) do
+ from([a, o] in q,
+ where:
+ fragment(
+ "? @@ websearch_to_tsquery('english', ?)",
+ o.fts_content,
+ ^search_query
+ ),
+ order_by: [fragment("? <=> now()::date", o.inserted_at)]
+ )
+ end
+
defp maybe_restrict_local(q, user) do
limit = Pleroma.Config.get([:instance, :limit_to_local_content], :unauthenticated)
{:ok, object} <- Fetcher.fetch_object_from_id(search_query),
%Activity{} = activity <- Activity.get_create_by_object_ap_id(object.data["id"]),
true <- Visibility.visible_for_user?(activity, user) do
- activities ++ [activity]
+ [activity | activities]
else
_ -> activities
end