07a48b9293
Co-authored-by: FloatingGhost <hannah@coffee-and-dreams.uk> Reviewed-on: https://akkoma.dev/AkkomaGang/akkoma/pulls/371
91 lines
2.3 KiB
Elixir
91 lines
2.3 KiB
Elixir
# Akkoma: A lightweight social networking server
|
|
# Copyright © 2022-2022 Akkoma Authors <https://git.ihatebeinga.live/IHBAGang/akkoma/>
|
|
# SPDX-License-Identifier: AGPL-3.0-only
|
|
|
|
defmodule Pleroma.Search.Elasticsearch do
|
|
@behaviour Pleroma.Search.SearchBackend
|
|
|
|
alias Pleroma.Activity
|
|
alias Pleroma.Object.Fetcher
|
|
alias Pleroma.Web.ActivityPub.Visibility
|
|
alias Pleroma.Search.Elasticsearch.Parsers
|
|
|
|
def es_query(:activity, query, offset, limit) do
|
|
must = Parsers.Activity.parse(query)
|
|
|
|
%{
|
|
size: limit,
|
|
from: offset,
|
|
terminate_after: 50,
|
|
timeout: "5s",
|
|
sort: [
|
|
"_score",
|
|
%{"_timestamp" => %{order: "desc", format: "basic_date_time"}}
|
|
],
|
|
query: %{
|
|
bool: %{
|
|
must: must
|
|
}
|
|
}
|
|
}
|
|
end
|
|
|
|
defp maybe_fetch(:activity, search_query) do
|
|
with true <- Regex.match?(~r/https?:/, search_query),
|
|
{:ok, object} <- Fetcher.fetch_object_from_id(search_query),
|
|
%Activity{} = activity <- Activity.get_create_by_object_ap_id(object.data["id"]) do
|
|
activity
|
|
else
|
|
_ -> nil
|
|
end
|
|
end
|
|
|
|
def search(user, query, options) do
|
|
limit = Enum.min([Keyword.get(options, :limit), 40])
|
|
offset = Keyword.get(options, :offset, 0)
|
|
|
|
parsed_query =
|
|
query
|
|
|> String.trim()
|
|
|> SearchParser.parse!()
|
|
|
|
activity_fetch_task =
|
|
Task.async(fn ->
|
|
maybe_fetch(:activity, String.trim(query))
|
|
end)
|
|
|
|
activity_task =
|
|
Task.async(fn ->
|
|
q = es_query(:activity, parsed_query, offset, limit)
|
|
|
|
:activities
|
|
|> Pleroma.Search.Elasticsearch.Store.search(q)
|
|
|> Enum.filter(fn x ->
|
|
x.data["type"] == "Create" && x.object.data["type"] == "Note" &&
|
|
Visibility.visible_for_user?(x, user)
|
|
end)
|
|
end)
|
|
|
|
activity_results = Task.await(activity_task)
|
|
direct_activity = Task.await(activity_fetch_task)
|
|
|
|
activity_results =
|
|
if direct_activity == nil do
|
|
activity_results
|
|
else
|
|
[direct_activity | activity_results]
|
|
end
|
|
|
|
activity_results
|
|
end
|
|
|
|
@impl true
|
|
def add_to_index(activity) do
|
|
Elasticsearch.put_document(Pleroma.Search.Elasticsearch.Cluster, activity, "activities")
|
|
end
|
|
|
|
@impl true
|
|
def remove_from_index(object) do
|
|
Elasticsearch.delete_document(Pleroma.Search.Elasticsearch.Cluster, object, "activities")
|
|
end
|
|
end
|