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

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Optimize bookmarks by preloading them with activities

Closes #861

See merge request pleroma/pleroma!1121
This commit is contained in:
kaniini 2019-05-07 19:37:41 +00:00
commit 14deed7f7d
8 changed files with 106 additions and 33 deletions
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24
lib/pleroma/activity.ex
View file

@ -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 @@ def with_preloaded_object(query) 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 @@ def get_by_ap_id(ap_id) 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])

2
lib/pleroma/user.ex
View file

@ -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)

21
lib/pleroma/web/activity_pub/activity_pub.ex
View file

@ -815,11 +815,32 @@ defp maybe_preload_objects(query, _) 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)

26
lib/pleroma/web/mastodon_api/mastodon_api_controller.ex
View file

@ -295,8 +295,6 @@ def home_timeline(%{assigns: %{user: user}} = conn, params) 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 @@ def public_timeline(%{assigns: %{user: user}} = conn, params) 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 @@ def public_timeline(%{assigns: %{user: user}} = conn, params) 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 @@ def dm_timeline(%{assigns: %{user: user}} = conn, params) 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 @@ def dm_timeline(%{assigns: %{user: user}} = conn, params) 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 @@ def delete_status(%{assigns: %{user: user}} = conn, %{"id" => id}) 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 @@ def reblog_status(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) 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 @@ def bookmark_status(%{assigns: %{user: user}} = conn, %{"id" => id}) 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 @@ def unbookmark_status(%{assigns: %{user: user}} = conn, %{"id" => id}) 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 @@ def favourites(%{assigns: %{user: user}} = conn, params) 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 @@ def user_favourites(%{assigns: %{user: for_user}} = conn, %{"id" => id} = params
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 @@ def bookmarks(%{assigns: %{user: user}} = conn, params) 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 @@ def list_timeline(%{assigns: %{user: user}} = conn, %{"list_id" => id} = params)
|> 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})

18
lib/pleroma/web/mastodon_api/views/status_view.ex
View file

@ -75,18 +75,22 @@ def render("index.json", opts) 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 @@ def render(
%{
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 @@ def render("status.json", %{activity: %{data: %{"object" => _object}} = activity
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)

1
lib/pleroma/web/twitter_api/twitter_api_controller.ex
View file

@ -182,6 +182,7 @@ def dm_timeline(%{assigns: %{user: user}} = conn, params) 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)

45
test/activity_test.exs
View file

@ -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 @@ test "returns the activity that created an object" 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

2
test/web/mastodon_api/status_view_test.exs
View file

@ -168,6 +168,8 @@ test "tells if the status is bookmarked" 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