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