161 lines
3.6 KiB
Elixir
161 lines
3.6 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
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alias Pleroma.Activity
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alias Pleroma.Object.Fetcher
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alias Pleroma.Web.MastodonAPI.StatusView
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alias Pleroma.Web.MastodonAPI.AccountView
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alias Pleroma.Web.ActivityPub.Visibility
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alias Pleroma.Search.Elasticsearch.Parsers
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alias Pleroma.Web.Endpoint
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def es_query(:activity, query) 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: 50,
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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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def es_query(:user, query) do
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must = Parsers.User.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: 50,
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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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],
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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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def es_query(:hashtag, query) do
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must = Parsers.Hashtag.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: 50,
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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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],
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query: %{
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bool: %{
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must: Parsers.Hashtag.parse(query)
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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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@impl Pleroma.Search
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def search(%{assigns: %{user: user}} = _conn, %{q: query} = _params, _options) do
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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)
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Pleroma.Elasticsearch.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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user_task =
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Task.async(fn ->
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q = es_query(:user, parsed_query)
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Pleroma.Elasticsearch.search(:users, q)
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|> Enum.filter(fn x -> Pleroma.User.visible_for(x, user) == :visible end)
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end)
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hashtag_task =
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Task.async(fn ->
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q = es_query(:hashtag, parsed_query)
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Pleroma.Elasticsearch.search(:hashtags, q)
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end)
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activity_results = Task.await(activity_task)
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user_results = Task.await(user_task)
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hashtag_results = Task.await(hashtag_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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%{
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"accounts" =>
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AccountView.render("index.json",
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users: user_results,
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for: user
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),
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"hashtags" =>
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Enum.map(hashtag_results, fn x ->
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%{
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url: Endpoint.url() <> "/tag/" <> x,
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name: x
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}
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end),
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"statuses" =>
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StatusView.render("index.json",
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activities: activity_results,
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for: user,
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as: :activity
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)
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}
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end
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end
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