465 lines
13 KiB
Elixir
465 lines
13 KiB
Elixir
# Pleroma: A lightweight social networking server
|
|
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
|
|
# SPDX-License-Identifier: AGPL-3.0-only
|
|
|
|
defmodule Pleroma.Notification do
|
|
use Ecto.Schema
|
|
|
|
alias Pleroma.Activity
|
|
alias Pleroma.Notification
|
|
alias Pleroma.Object
|
|
alias Pleroma.Pagination
|
|
alias Pleroma.Repo
|
|
alias Pleroma.ThreadMute
|
|
alias Pleroma.User
|
|
alias Pleroma.Web.CommonAPI.Utils
|
|
alias Pleroma.Web.Push
|
|
alias Pleroma.Web.Streamer
|
|
|
|
import Ecto.Query
|
|
import Ecto.Changeset
|
|
|
|
require Logger
|
|
|
|
@type t :: %__MODULE__{}
|
|
|
|
@include_muted_option :with_muted
|
|
|
|
schema "notifications" do
|
|
field(:seen, :boolean, default: false)
|
|
belongs_to(:user, User, type: FlakeId.Ecto.CompatType)
|
|
belongs_to(:activity, Activity, type: FlakeId.Ecto.CompatType)
|
|
|
|
timestamps()
|
|
end
|
|
|
|
def changeset(%Notification{} = notification, attrs) do
|
|
notification
|
|
|> cast(attrs, [:seen])
|
|
end
|
|
|
|
defp for_user_query_ap_id_opts(user, opts) do
|
|
ap_id_relationships =
|
|
[:block] ++
|
|
if opts[@include_muted_option], do: [], else: [:notification_mute]
|
|
|
|
preloaded_ap_ids = User.outgoing_relationships_ap_ids(user, ap_id_relationships)
|
|
|
|
exclude_blocked_opts = Map.merge(%{blocked_users_ap_ids: preloaded_ap_ids[:block]}, opts)
|
|
|
|
exclude_notification_muted_opts =
|
|
Map.merge(%{notification_muted_users_ap_ids: preloaded_ap_ids[:notification_mute]}, opts)
|
|
|
|
{exclude_blocked_opts, exclude_notification_muted_opts}
|
|
end
|
|
|
|
def for_user_query(user, opts \\ %{}) do
|
|
{exclude_blocked_opts, exclude_notification_muted_opts} =
|
|
for_user_query_ap_id_opts(user, opts)
|
|
|
|
Notification
|
|
|> where(user_id: ^user.id)
|
|
|> where(
|
|
[n, a],
|
|
fragment(
|
|
"? not in (SELECT ap_id FROM users WHERE deactivated = 'true')",
|
|
a.actor
|
|
)
|
|
)
|
|
|> join(:inner, [n], activity in assoc(n, :activity))
|
|
|> join(:left, [n, a], object in Object,
|
|
on:
|
|
fragment(
|
|
"(?->>'id') = COALESCE((? -> 'object'::text) ->> 'id'::text)",
|
|
object.data,
|
|
a.data
|
|
)
|
|
)
|
|
|> preload([n, a, o], activity: {a, object: o})
|
|
|> exclude_notification_muted(user, exclude_notification_muted_opts)
|
|
|> exclude_blocked(user, exclude_blocked_opts)
|
|
|> exclude_visibility(opts)
|
|
|> exclude_move(opts)
|
|
end
|
|
|
|
defp exclude_blocked(query, user, opts) do
|
|
blocked_ap_ids = opts[:blocked_users_ap_ids] || User.blocked_users_ap_ids(user)
|
|
|
|
query
|
|
|> where([n, a], a.actor not in ^blocked_ap_ids)
|
|
|> where(
|
|
[n, a],
|
|
fragment("substring(? from '.*://([^/]*)')", a.actor) not in ^user.domain_blocks
|
|
)
|
|
end
|
|
|
|
defp exclude_notification_muted(query, _, %{@include_muted_option => true}) do
|
|
query
|
|
end
|
|
|
|
defp exclude_notification_muted(query, user, opts) do
|
|
notification_muted_ap_ids =
|
|
opts[:notification_muted_users_ap_ids] || User.notification_muted_users_ap_ids(user)
|
|
|
|
query
|
|
|> where([n, a], a.actor not in ^notification_muted_ap_ids)
|
|
|> join(:left, [n, a], tm in ThreadMute,
|
|
on: tm.user_id == ^user.id and tm.context == fragment("?->>'context'", a.data)
|
|
)
|
|
|> where([n, a, o, tm], is_nil(tm.user_id))
|
|
end
|
|
|
|
defp exclude_move(query, %{with_move: true}) do
|
|
query
|
|
end
|
|
|
|
defp exclude_move(query, _opts) do
|
|
where(query, [n, a], fragment("?->>'type' != 'Move'", a.data))
|
|
end
|
|
|
|
@valid_visibilities ~w[direct unlisted public private]
|
|
|
|
defp exclude_visibility(query, %{exclude_visibilities: visibility})
|
|
when is_list(visibility) do
|
|
if Enum.all?(visibility, &(&1 in @valid_visibilities)) do
|
|
query
|
|
|> join(:left, [n, a], mutated_activity in Pleroma.Activity,
|
|
on:
|
|
fragment("?->>'context'", a.data) ==
|
|
fragment("?->>'context'", mutated_activity.data) and
|
|
fragment("(?->>'type' = 'Like' or ?->>'type' = 'Announce')", a.data, a.data) and
|
|
fragment("?->>'type'", mutated_activity.data) == "Create",
|
|
as: :mutated_activity
|
|
)
|
|
|> where(
|
|
[n, a, mutated_activity: mutated_activity],
|
|
not fragment(
|
|
"""
|
|
CASE WHEN (?->>'type') = 'Like' or (?->>'type') = 'Announce'
|
|
THEN (activity_visibility(?, ?, ?) = ANY (?))
|
|
ELSE (activity_visibility(?, ?, ?) = ANY (?)) END
|
|
""",
|
|
a.data,
|
|
a.data,
|
|
mutated_activity.actor,
|
|
mutated_activity.recipients,
|
|
mutated_activity.data,
|
|
^visibility,
|
|
a.actor,
|
|
a.recipients,
|
|
a.data,
|
|
^visibility
|
|
)
|
|
)
|
|
else
|
|
Logger.error("Could not exclude visibility to #{visibility}")
|
|
query
|
|
end
|
|
end
|
|
|
|
defp exclude_visibility(query, %{exclude_visibilities: visibility})
|
|
when visibility in @valid_visibilities do
|
|
exclude_visibility(query, [visibility])
|
|
end
|
|
|
|
defp exclude_visibility(query, %{exclude_visibilities: visibility})
|
|
when visibility not in @valid_visibilities do
|
|
Logger.error("Could not exclude visibility to #{visibility}")
|
|
query
|
|
end
|
|
|
|
defp exclude_visibility(query, _visibility), do: query
|
|
|
|
def for_user(user, opts \\ %{}) do
|
|
user
|
|
|> for_user_query(opts)
|
|
|> Pagination.fetch_paginated(opts)
|
|
end
|
|
|
|
@doc """
|
|
Returns notifications for user received since given date.
|
|
|
|
## Examples
|
|
|
|
iex> Pleroma.Notification.for_user_since(%Pleroma.User{}, ~N[2019-04-13 11:22:33])
|
|
[%Pleroma.Notification{}, %Pleroma.Notification{}]
|
|
|
|
iex> Pleroma.Notification.for_user_since(%Pleroma.User{}, ~N[2019-04-15 11:22:33])
|
|
[]
|
|
"""
|
|
@spec for_user_since(Pleroma.User.t(), NaiveDateTime.t()) :: [t()]
|
|
def for_user_since(user, date) do
|
|
from(n in for_user_query(user),
|
|
where: n.updated_at > ^date
|
|
)
|
|
|> Repo.all()
|
|
end
|
|
|
|
def set_read_up_to(%{id: user_id} = _user, id) do
|
|
query =
|
|
from(
|
|
n in Notification,
|
|
where: n.user_id == ^user_id,
|
|
where: n.id <= ^id,
|
|
where: n.seen == false,
|
|
update: [
|
|
set: [
|
|
seen: true,
|
|
updated_at: ^NaiveDateTime.utc_now()
|
|
]
|
|
],
|
|
# Ideally we would preload object and activities here
|
|
# but Ecto does not support preloads in update_all
|
|
select: n.id
|
|
)
|
|
|
|
{_, notification_ids} = Repo.update_all(query, [])
|
|
|
|
Notification
|
|
|> where([n], n.id in ^notification_ids)
|
|
|> join(:inner, [n], activity in assoc(n, :activity))
|
|
|> join(:left, [n, a], object in Object,
|
|
on:
|
|
fragment(
|
|
"(?->>'id') = COALESCE((? -> 'object'::text) ->> 'id'::text)",
|
|
object.data,
|
|
a.data
|
|
)
|
|
)
|
|
|> preload([n, a, o], activity: {a, object: o})
|
|
|> Repo.all()
|
|
end
|
|
|
|
def read_one(%User{} = user, notification_id) do
|
|
with {:ok, %Notification{} = notification} <- get(user, notification_id) do
|
|
notification
|
|
|> changeset(%{seen: true})
|
|
|> Repo.update()
|
|
end
|
|
end
|
|
|
|
def get(%{id: user_id} = _user, id) do
|
|
query =
|
|
from(
|
|
n in Notification,
|
|
where: n.id == ^id,
|
|
join: activity in assoc(n, :activity),
|
|
preload: [activity: activity]
|
|
)
|
|
|
|
notification = Repo.one(query)
|
|
|
|
case notification do
|
|
%{user_id: ^user_id} ->
|
|
{:ok, notification}
|
|
|
|
_ ->
|
|
{:error, "Cannot get notification"}
|
|
end
|
|
end
|
|
|
|
def clear(user) do
|
|
from(n in Notification, where: n.user_id == ^user.id)
|
|
|> Repo.delete_all()
|
|
end
|
|
|
|
def destroy_multiple(%{id: user_id} = _user, ids) do
|
|
from(n in Notification,
|
|
where: n.id in ^ids,
|
|
where: n.user_id == ^user_id
|
|
)
|
|
|> Repo.delete_all()
|
|
end
|
|
|
|
def dismiss(%{id: user_id} = _user, id) do
|
|
notification = Repo.get(Notification, id)
|
|
|
|
case notification do
|
|
%{user_id: ^user_id} ->
|
|
Repo.delete(notification)
|
|
|
|
_ ->
|
|
{:error, "Cannot dismiss notification"}
|
|
end
|
|
end
|
|
|
|
def create_notifications(%Activity{data: %{"to" => _, "type" => "Create"}} = activity) do
|
|
object = Object.normalize(activity)
|
|
|
|
if object && object.data["type"] == "Answer" do
|
|
{:ok, []}
|
|
else
|
|
do_create_notifications(activity)
|
|
end
|
|
end
|
|
|
|
def create_notifications(%Activity{data: %{"type" => type}} = activity)
|
|
when type in ["Follow", "Like", "Announce", "Move", "EmojiReact"] do
|
|
do_create_notifications(activity)
|
|
end
|
|
|
|
def create_notifications(_), do: {:ok, []}
|
|
|
|
defp do_create_notifications(%Activity{} = activity) do
|
|
{enabled_receivers, disabled_receivers} = get_notified_from_activity(activity)
|
|
potential_receivers = enabled_receivers ++ disabled_receivers
|
|
|
|
notifications =
|
|
Enum.map(potential_receivers, fn user ->
|
|
do_send = user in enabled_receivers
|
|
create_notification(activity, user, do_send)
|
|
end)
|
|
|
|
{:ok, notifications}
|
|
end
|
|
|
|
# TODO move to sql, too.
|
|
def create_notification(%Activity{} = activity, %User{} = user, do_send \\ true) do
|
|
unless skip?(activity, user) do
|
|
notification = %Notification{user_id: user.id, activity: activity}
|
|
{:ok, notification} = Repo.insert(notification)
|
|
|
|
if do_send do
|
|
Streamer.stream(["user", "user:notification"], notification)
|
|
Push.send(notification)
|
|
end
|
|
|
|
notification
|
|
end
|
|
end
|
|
|
|
@doc """
|
|
Returns a tuple with 2 elements:
|
|
{enabled notification receivers, currently disabled receivers (blocking / [thread] muting)}
|
|
|
|
NOTE: might be called for FAKE Activities, see ActivityPub.Utils.get_notified_from_object/1
|
|
"""
|
|
def get_notified_from_activity(activity, local_only \\ true)
|
|
|
|
def get_notified_from_activity(%Activity{data: %{"type" => type}} = activity, local_only)
|
|
when type in ["Create", "Like", "Announce", "Follow", "Move", "EmojiReact"] do
|
|
potential_receiver_ap_ids =
|
|
[]
|
|
|> Utils.maybe_notify_to_recipients(activity)
|
|
|> Utils.maybe_notify_mentioned_recipients(activity)
|
|
|> Utils.maybe_notify_subscribers(activity)
|
|
|> Utils.maybe_notify_followers(activity)
|
|
|> Enum.uniq()
|
|
|
|
# Since even subscribers and followers can mute / thread-mute, filtering all above AP IDs
|
|
notification_enabled_ap_ids =
|
|
potential_receiver_ap_ids
|
|
|> exclude_relationship_restricted_ap_ids(activity)
|
|
|> exclude_thread_muter_ap_ids(activity)
|
|
|
|
potential_receivers =
|
|
potential_receiver_ap_ids
|
|
|> Enum.uniq()
|
|
|> User.get_users_from_set(local_only)
|
|
|
|
notification_enabled_users =
|
|
Enum.filter(potential_receivers, fn u -> u.ap_id in notification_enabled_ap_ids end)
|
|
|
|
{notification_enabled_users, potential_receivers -- notification_enabled_users}
|
|
end
|
|
|
|
def get_notified_from_activity(_, _local_only), do: {[], []}
|
|
|
|
@doc "Filters out AP IDs of users basing on their relationships with activity actor user"
|
|
def exclude_relationship_restricted_ap_ids([], _activity), do: []
|
|
|
|
def exclude_relationship_restricted_ap_ids(ap_ids, %Activity{} = activity) do
|
|
relationship_restricted_ap_ids =
|
|
activity
|
|
|> Activity.user_actor()
|
|
|> User.incoming_relationships_ungrouped_ap_ids([
|
|
:block,
|
|
:notification_mute
|
|
])
|
|
|
|
Enum.uniq(ap_ids) -- relationship_restricted_ap_ids
|
|
end
|
|
|
|
@doc "Filters out AP IDs of users who mute activity thread"
|
|
def exclude_thread_muter_ap_ids([], _activity), do: []
|
|
|
|
def exclude_thread_muter_ap_ids(ap_ids, %Activity{} = activity) do
|
|
thread_muter_ap_ids = ThreadMute.muter_ap_ids(activity.data["context"])
|
|
|
|
Enum.uniq(ap_ids) -- thread_muter_ap_ids
|
|
end
|
|
|
|
@spec skip?(Activity.t(), User.t()) :: boolean()
|
|
def skip?(%Activity{} = activity, %User{} = user) do
|
|
[
|
|
:self,
|
|
:followers,
|
|
:follows,
|
|
:non_followers,
|
|
:non_follows,
|
|
:recently_followed
|
|
]
|
|
|> Enum.find(&skip?(&1, activity, user))
|
|
end
|
|
|
|
def skip?(_, _), do: false
|
|
|
|
@spec skip?(atom(), Activity.t(), User.t()) :: boolean()
|
|
def skip?(:self, %Activity{} = activity, %User{} = user) do
|
|
activity.data["actor"] == user.ap_id
|
|
end
|
|
|
|
def skip?(
|
|
:followers,
|
|
%Activity{} = activity,
|
|
%User{notification_settings: %{followers: false}} = user
|
|
) do
|
|
actor = activity.data["actor"]
|
|
follower = User.get_cached_by_ap_id(actor)
|
|
User.following?(follower, user)
|
|
end
|
|
|
|
def skip?(
|
|
:non_followers,
|
|
%Activity{} = activity,
|
|
%User{notification_settings: %{non_followers: false}} = user
|
|
) do
|
|
actor = activity.data["actor"]
|
|
follower = User.get_cached_by_ap_id(actor)
|
|
!User.following?(follower, user)
|
|
end
|
|
|
|
def skip?(
|
|
:follows,
|
|
%Activity{} = activity,
|
|
%User{notification_settings: %{follows: false}} = user
|
|
) do
|
|
actor = activity.data["actor"]
|
|
followed = User.get_cached_by_ap_id(actor)
|
|
User.following?(user, followed)
|
|
end
|
|
|
|
def skip?(
|
|
:non_follows,
|
|
%Activity{} = activity,
|
|
%User{notification_settings: %{non_follows: false}} = user
|
|
) do
|
|
actor = activity.data["actor"]
|
|
followed = User.get_cached_by_ap_id(actor)
|
|
!User.following?(user, followed)
|
|
end
|
|
|
|
# To do: consider defining recency in hours and checking FollowingRelationship with a single SQL
|
|
def skip?(:recently_followed, %Activity{data: %{"type" => "Follow"}} = activity, %User{} = user) do
|
|
actor = activity.data["actor"]
|
|
|
|
Notification.for_user(user)
|
|
|> Enum.any?(fn
|
|
%{activity: %{data: %{"type" => "Follow", "actor" => ^actor}}} -> true
|
|
_ -> false
|
|
end)
|
|
end
|
|
|
|
def skip?(_, _, _), do: false
|
|
end
|