Rename Activity.Search to Search.DatabaseSearch

[akkoma] / lib / pleroma / web / mastodon_api / controllers / search_controller.ex

diff --git a/lib/pleroma/web/mastodon_api/controllers/search_controller.ex b/lib/pleroma/web/mastodon_api/controllers/search_controller.ex
index 23fe378a64714f6304a94f69d6d6bc3cfca09350..751d46cdfe4323c8a1a9fd1dc2b7ed095b125269 100644 (file)
--- a/lib/pleroma/web/mastodon_api/controllers/search_controller.ex
+++ b/lib/pleroma/web/mastodon_api/controllers/search_controller.ex
@@ -1,22 +1,21 @@
 # Pleroma: A lightweight social networking server
-# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Web.MastodonAPI.SearchController do
   use Pleroma.Web, :controller
 
-  alias Pleroma.Activity
-  alias Pleroma.Plugs.OAuthScopesPlug
-  alias Pleroma.Plugs.RateLimiter
   alias Pleroma.Repo
   alias Pleroma.User
-  alias Pleroma.Web
   alias Pleroma.Web.ControllerHelper
   alias Pleroma.Web.MastodonAPI.AccountView
-  alias Pleroma.Web.MastodonAPI.StatusView
+  alias Pleroma.Web.Plugs.OAuthScopesPlug
+  alias Pleroma.Web.Plugs.RateLimiter
 
   require Logger
 
+  @search_limit 40
+
   plug(Pleroma.Web.ApiSpec.CastAndValidate)
 
   # Note: Mastodon doesn't allow unauthenticated access (requires read:accounts / read:search)
@@ -43,40 +42,20 @@ defmodule Pleroma.Web.MastodonAPI.SearchController do
   def search2(conn, params), do: do_search(:v2, conn, params)
   def search(conn, params), do: do_search(:v1, conn, params)
 
-  defp do_search(version, %{assigns: %{user: user}} = conn, %{q: query} = params) do
-    options = search_options(params, user)
-    timeout = Keyword.get(Repo.config(), :timeout, 15_000)
-    default_values = %{"statuses" => [], "accounts" => [], "hashtags" => []}
-
-    result =
-      default_values
-      |> Enum.map(fn {resource, default_value} ->
-        if params[:type] in [nil, resource] do
-          {resource, fn -> resource_search(version, resource, query, options) end}
-        else
-          {resource, fn -> default_value end}
-        end
-      end)
-      |> Task.async_stream(fn {resource, f} -> {resource, with_fallback(f)} end,
-        timeout: timeout,
-        on_timeout: :kill_task
-      )
-      |> Enum.reduce(default_values, fn
-        {:ok, {resource, result}}, acc ->
-          Map.put(acc, resource, result)
-
-        _error, acc ->
-          acc
-      end)
-
-    json(conn, result)
+  defp do_search(version, %{assigns: %{user: user}} = conn, params) do
+    options =
+      search_options(params, user)
+      |> Keyword.put(:version, version)
+
+    search_provider = Pleroma.Config.get([:search, :provider])
+    json(conn, search_provider.search(conn, params, options))
   end
 
   defp search_options(params, user) do
     [
       resolve: params[:resolve],
       following: params[:following],
-      limit: params[:limit],
+      limit: min(params[:limit], @search_limit),
       offset: params[:offset],
       type: params[:type],
       author: get_author(params),
@@ -92,13 +71,12 @@ defmodule Pleroma.Web.MastodonAPI.SearchController do
     AccountView.render("index.json",
       users: accounts,
       for: options[:for_user],
-      as: :user,
       embed_relationships: options[:embed_relationships]
     )
   end
 
   defp resource_search(_, "statuses", query, options) do
-    statuses = with_fallback(fn -> Activity.search(options[:for_user], query, options) end)
+    statuses = with_fallback(fn -> Pleroma.Search.search(query, options) end)
 
     StatusView.render("index.json",
       activities: statuses,
@@ -107,24 +85,25 @@ defmodule Pleroma.Web.MastodonAPI.SearchController do
     )
   end
 
-  defp resource_search(:v2, "hashtags", query, _options) do
-    tags_path = Web.base_url() <> "/tag/"
+  defp resource_search(:v2, "hashtags", query, options) do
+    tags_path = Endpoint.url() <> "/tag/"
 
     query
-    |> prepare_tags()
+    |> prepare_tags(options)
     |> Enum.map(fn tag ->
       %{name: tag, url: tags_path <> tag}
     end)
   end
 
-  defp resource_search(:v1, "hashtags", query, _options) do
-    prepare_tags(query)
+  defp resource_search(:v1, "hashtags", query, options) do
+    prepare_tags(query, options)
   end
 
-  defp prepare_tags(query, add_joined_tag \\ true) do
+  defp prepare_tags(query, options) do
     tags =
       query
-      |> String.split(~r/[^#\w]+/, trim: true)
+      |> preprocess_uri_query()
+      |> String.split(~r/[^#\w]+/u, trim: true)
       |> Enum.uniq_by(&String.downcase/1)
 
     explicit_tags = Enum.filter(tags, fn tag -> String.starts_with?(tag, "#") end)
@@ -138,12 +117,33 @@ defmodule Pleroma.Web.MastodonAPI.SearchController do
 
     tags = Enum.map(tags, fn tag -> String.trim_leading(tag, "#") end)
 
-    if Enum.empty?(explicit_tags) && add_joined_tag do
-      tags
-      |> Kernel.++([joined_tag(tags)])
-      |> Enum.uniq_by(&String.downcase/1)
+    tags =
+      if Enum.empty?(explicit_tags) && !options[:skip_joined_tag] do
+        add_joined_tag(tags)
+      else
+        tags
+      end
+
+    Pleroma.Pagination.paginate(tags, options)
+  end
+
+  defp add_joined_tag(tags) do
+    tags
+    |> Kernel.++([joined_tag(tags)])
+    |> Enum.uniq_by(&String.downcase/1)
+  end
+
+  # If `query` is a URI, returns last component of its path, otherwise returns `query`
+  defp preprocess_uri_query(query) do
+    if query =~ ~r/https?:\/\// do
+      query
+      |> String.trim_trailing("/")
+      |> URI.parse()
+      |> Map.get(:path)
+      |> String.split("/")
+      |> Enum.at(-1)
     else
-      tags
+      query
     end
   end