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My custom branche(s) on git.pleroma.social/pleroma/pleroma
commit: 14deed7f7d0b88d5c8ac19bb3de467429c289746
parent: a1a0df19c4521bf0073b6bb8dbf8101cf37ebd6b
Author: kaniini <nenolod@gmail.com>
Date:   Tue,  7 May 2019 19:37:41 +0000

Merge branch 'refactor/preload-bookmarks-with-activities' into 'develop'

Optimize bookmarks by preloading them with activities

Closes #861

See merge request pleroma/pleroma!1121

Diffstat:

Mlib/pleroma/activity.ex24++++++++++++++++++++++++
Mlib/pleroma/user.ex2--
Mlib/pleroma/web/activity_pub/activity_pub.ex21+++++++++++++++++++++
Mlib/pleroma/web/mastodon_api/mastodon_api_controller.ex26++------------------------
Mlib/pleroma/web/mastodon_api/views/status_view.ex18+++++++++++-------
Mlib/pleroma/web/twitter_api/twitter_api_controller.ex1+
Mtest/activity_test.exs45+++++++++++++++++++++++++++++++++++++++++++++
Mtest/web/mastodon_api/status_view_test.exs2++
8 files changed, 106 insertions(+), 33 deletions(-)

diff --git a/lib/pleroma/activity.ex b/lib/pleroma/activity.ex @@ -6,9 +6,11 @@ defmodule Pleroma.Activity do use Ecto.Schema alias Pleroma.Activity + alias Pleroma.Bookmark alias Pleroma.Notification alias Pleroma.Object alias Pleroma.Repo + alias Pleroma.User import Ecto.Changeset import Ecto.Query @@ -35,6 +37,8 @@ defmodule Pleroma.Activity do field(:local, :boolean, default: true) field(:actor, :string) field(:recipients, {:array, :string}, default: []) + # This is a fake relation, do not use outside of with_preloaded_bookmark/get_bookmark + has_one(:bookmark, Bookmark) has_many(:notifications, Notification, on_delete: :delete_all) # Attention: this is a fake relation, don't try to preload it blindly and expect it to work! @@ -73,6 +77,16 @@ defmodule Pleroma.Activity do |> preload([activity, object], object: object) end + def with_preloaded_bookmark(query, %User{} = user) do + from([a] in query, + left_join: b in Bookmark, + on: b.user_id == ^user.id and b.activity_id == a.id, + preload: [bookmark: b] + ) + end + + def with_preloaded_bookmark(query, _), do: query + def get_by_ap_id(ap_id) do Repo.one( from( @@ -82,6 +96,16 @@ defmodule Pleroma.Activity do ) end + def get_bookmark(%Activity{} = activity, %User{} = user) do + if Ecto.assoc_loaded?(activity.bookmark) do + activity.bookmark + else + Bookmark.get(user.id, activity.id) + end + end + + def get_bookmark(_, _), do: nil + def change(struct, params \\ %{}) do struct |> cast(params, [:data]) diff --git a/lib/pleroma/user.ex b/lib/pleroma/user.ex @@ -10,7 +10,6 @@ defmodule Pleroma.User do alias Comeonin.Pbkdf2 alias Pleroma.Activity - alias Pleroma.Bookmark alias Pleroma.Notification alias Pleroma.Object alias Pleroma.Registration @@ -54,7 +53,6 @@ defmodule Pleroma.User do field(:search_type, :integer, virtual: true) field(:tags, {:array, :string}, default: []) field(:last_refreshed_at, :naive_datetime_usec) - has_many(:bookmarks, Bookmark) has_many(:notifications, Notification) has_many(:registrations, Registration) embeds_one(:info, Pleroma.User.Info) diff --git a/lib/pleroma/web/activity_pub/activity_pub.ex b/lib/pleroma/web/activity_pub/activity_pub.ex @@ -815,11 +815,32 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do |> Activity.with_preloaded_object() end + defp maybe_preload_bookmarks(query, %{"skip_preload" => true}), do: query + + defp maybe_preload_bookmarks(query, opts) do + query + |> Activity.with_preloaded_bookmark(opts["user"]) + end + + defp maybe_order(query, %{order: :desc}) do + query + |> order_by(desc: :id) + end + + defp maybe_order(query, %{order: :asc}) do + query + |> order_by(asc: :id) + end + + defp maybe_order(query, _), do: query + def fetch_activities_query(recipients, opts \\ %{}) do base_query = from(activity in Activity) base_query |> maybe_preload_objects(opts) + |> maybe_preload_bookmarks(opts) + |> maybe_order(opts) |> restrict_recipients(recipients, opts["user"]) |> restrict_tag(opts) |> restrict_tag_reject(opts) diff --git a/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex b/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex @@ -295,8 +295,6 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do |> ActivityPub.contain_timeline(user) |> Enum.reverse() - user = Repo.preload(user, bookmarks: :activity) - conn |> add_link_headers(:home_timeline, activities) |> put_view(StatusView) @@ -315,8 +313,6 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do |> ActivityPub.fetch_public_activities() |> Enum.reverse() - user = Repo.preload(user, bookmarks: :activity) - conn |> add_link_headers(:public_timeline, activities, false, %{"local" => local_only}) |> put_view(StatusView) @@ -324,8 +320,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do end def user_statuses(%{assigns: %{user: reading_user}} = conn, params) do - with %User{} = user <- User.get_cached_by_id(params["id"]), - reading_user <- Repo.preload(reading_user, :bookmarks) do + with %User{} = user <- User.get_cached_by_id(params["id"]) do activities = ActivityPub.fetch_user_activities(user, reading_user, params) conn @@ -352,8 +347,6 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do |> ActivityPub.fetch_activities_query(params) |> Pagination.fetch_paginated(params) - user = Repo.preload(user, bookmarks: :activity) - conn |> add_link_headers(:dm_timeline, activities) |> put_view(StatusView) @@ -363,8 +356,6 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do def get_status(%{assigns: %{user: user}} = conn, %{"id" => id}) do with %Activity{} = activity <- Activity.get_by_id_with_object(id), true <- Visibility.visible_for_user?(activity, user) do - user = Repo.preload(user, bookmarks: :activity) - conn |> put_view(StatusView) |> try_render("status.json", %{activity: activity, for: user}) @@ -514,8 +505,6 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do def reblog_status(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) do with {:ok, announce, _activity} <- CommonAPI.repeat(ap_id_or_id, user), %Activity{} = announce <- Activity.normalize(announce.data) do - user = Repo.preload(user, bookmarks: :activity) - conn |> put_view(StatusView) |> try_render("status.json", %{activity: announce, for: user, as: :activity}) @@ -525,8 +514,6 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do def unreblog_status(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) do with {:ok, _unannounce, %{data: %{"id" => id}}} <- CommonAPI.unrepeat(ap_id_or_id, user), %Activity{} = activity <- Activity.get_create_by_object_ap_id_with_object(id) do - user = Repo.preload(user, bookmarks: :activity) - conn |> put_view(StatusView) |> try_render("status.json", %{activity: activity, for: user, as: :activity}) @@ -577,8 +564,6 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do %User{} = user <- User.get_cached_by_nickname(user.nickname), true <- Visibility.visible_for_user?(activity, user), {:ok, _bookmark} <- Bookmark.create(user.id, activity.id) do - user = Repo.preload(user, bookmarks: :activity) - conn |> put_view(StatusView) |> try_render("status.json", %{activity: activity, for: user, as: :activity}) @@ -590,8 +575,6 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do %User{} = user <- User.get_cached_by_nickname(user.nickname), true <- Visibility.visible_for_user?(activity, user), {:ok, _bookmark} <- Bookmark.destroy(user.id, activity.id) do - user = Repo.preload(user, bookmarks: :activity) - conn |> put_view(StatusView) |> try_render("status.json", %{activity: activity, for: user, as: :activity}) @@ -1112,8 +1095,6 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do ActivityPub.fetch_activities([], params) |> Enum.reverse() - user = Repo.preload(user, bookmarks: :activity) - conn |> add_link_headers(:favourites, activities) |> put_view(StatusView) @@ -1159,7 +1140,6 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do def bookmarks(%{assigns: %{user: user}} = conn, params) do user = User.get_cached_by_id(user.id) - user = Repo.preload(user, bookmarks: :activity) bookmarks = Bookmark.for_user_query(user.id) @@ -1167,7 +1147,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do activities = bookmarks - |> Enum.map(fn b -> b.activity end) + |> Enum.map(fn b -> Map.put(b.activity, :bookmark, Map.delete(b, :activity)) end) conn |> add_link_headers(:bookmarks, bookmarks) @@ -1276,8 +1256,6 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do |> ActivityPub.fetch_activities_bounded(following, params) |> Enum.reverse() - user = Repo.preload(user, bookmarks: :activity) - conn |> put_view(StatusView) |> render("index.json", %{activities: activities, for: user, as: :activity}) diff --git a/lib/pleroma/web/mastodon_api/views/status_view.ex b/lib/pleroma/web/mastodon_api/views/status_view.ex @@ -75,18 +75,22 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do def render( "status.json", - %{activity: %{data: %{"type" => "Announce", "object" => object}} = activity} = opts + %{activity: %{data: %{"type" => "Announce", "object" => _object}} = activity} = opts ) do user = get_user(activity.data["actor"]) created_at = Utils.to_masto_date(activity.data["published"]) + activity_object = Object.normalize(activity) + + reblogged_activity = + Activity.create_by_object_ap_id(activity_object.data["id"]) + |> Activity.with_preloaded_bookmark(opts[:for]) + |> Repo.one() - reblogged_activity = Activity.get_create_by_object_ap_id(object) reblogged = render("status.json", Map.put(opts, :activity, reblogged_activity)) - activity_object = Object.normalize(activity) favorited = opts[:for] && opts[:for].ap_id in (activity_object.data["likes"] || []) - bookmarked = opts[:for] && CommonAPI.bookmarked?(opts[:for], reblogged_activity) + bookmarked = Activity.get_bookmark(reblogged_activity, opts[:for]) != nil mentions = activity.recipients @@ -96,8 +100,8 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do %{ id: to_string(activity.id), - uri: object, - url: object, + uri: activity_object.data["id"], + url: activity_object.data["id"], account: AccountView.render("account.json", %{user: user}), in_reply_to_id: nil, in_reply_to_account_id: nil, @@ -149,7 +153,7 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do favorited = opts[:for] && opts[:for].ap_id in (object.data["likes"] || []) - bookmarked = opts[:for] && CommonAPI.bookmarked?(opts[:for], activity) + bookmarked = Activity.get_bookmark(activity, opts[:for]) != nil attachment_data = object.data["attachment"] || [] attachments = render_many(attachment_data, StatusView, "attachment.json", as: :attachment) diff --git a/lib/pleroma/web/twitter_api/twitter_api_controller.ex b/lib/pleroma/web/twitter_api/twitter_api_controller.ex @@ -182,6 +182,7 @@ defmodule Pleroma.Web.TwitterAPI.Controller do |> Map.put("blocking_user", user) |> Map.put("user", user) |> Map.put(:visibility, "direct") + |> Map.put(:order, :desc) activities = ActivityPub.fetch_activities_query([user.ap_id], params) diff --git a/test/activity_test.exs b/test/activity_test.exs @@ -5,6 +5,7 @@ defmodule Pleroma.ActivityTest do use Pleroma.DataCase alias Pleroma.Activity + alias Pleroma.Bookmark import Pleroma.Factory test "returns an activity by it's AP id" do @@ -28,4 +29,48 @@ defmodule Pleroma.ActivityTest do assert activity == found_activity end + + test "preloading a bookmark" do + user = insert(:user) + user2 = insert(:user) + user3 = insert(:user) + activity = insert(:note_activity) + {:ok, _bookmark} = Bookmark.create(user.id, activity.id) + {:ok, _bookmark2} = Bookmark.create(user2.id, activity.id) + {:ok, bookmark3} = Bookmark.create(user3.id, activity.id) + + queried_activity = + Ecto.Query.from(Pleroma.Activity) + |> Activity.with_preloaded_bookmark(user3) + |> Repo.one() + + assert queried_activity.bookmark == bookmark3 + end + + describe "getting a bookmark" do + test "when association is loaded" do + user = insert(:user) + activity = insert(:note_activity) + {:ok, bookmark} = Bookmark.create(user.id, activity.id) + + queried_activity = + Ecto.Query.from(Pleroma.Activity) + |> Activity.with_preloaded_bookmark(user) + |> Repo.one() + + assert Activity.get_bookmark(queried_activity, user) == bookmark + end + + test "when association is not loaded" do + user = insert(:user) + activity = insert(:note_activity) + {:ok, bookmark} = Bookmark.create(user.id, activity.id) + + queried_activity = + Ecto.Query.from(Pleroma.Activity) + |> Repo.one() + + assert Activity.get_bookmark(queried_activity, user) == bookmark + end + end end diff --git a/test/web/mastodon_api/status_view_test.exs b/test/web/mastodon_api/status_view_test.exs @@ -168,6 +168,8 @@ defmodule Pleroma.Web.MastodonAPI.StatusViewTest do {:ok, _bookmark} = Bookmark.create(user.id, activity.id) + activity = Activity.get_by_id_with_object(activity.id) + status = StatusView.render("status.json", %{activity: activity, for: user}) assert status.bookmarked == true