# Pleroma: A lightweight social networking server
-# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Notification do
alias Pleroma.Activity
alias Pleroma.Notification
+ alias Pleroma.Object
+ alias Pleroma.Pagination
alias Pleroma.Repo
alias Pleroma.User
- alias Pleroma.Web.CommonAPI
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: Pleroma.FlakeId)
- belongs_to(:activity, Activity, type: Pleroma.FlakeId)
+ belongs_to(:user, User, type: FlakeId.Ecto.CompatType)
+ belongs_to(:activity, Activity, type: FlakeId.Ecto.CompatType)
timestamps()
end
|> cast(attrs, [:seen])
end
- # TODO: Make generic and unify (see activity_pub.ex)
- defp restrict_max(query, %{"max_id" => max_id}) do
- from(activity in query, where: activity.id < ^max_id)
+ defp for_user_query_ap_id_opts(user, opts) do
+ ap_id_relations =
+ [:block] ++
+ if opts[@include_muted_option], do: [], else: [:notification_mute]
+
+ preloaded_ap_ids = User.outgoing_relations_ap_ids(user, ap_id_relations)
+
+ 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)
end
- defp restrict_max(query, _), do: query
+ defp exclude_blocked(query, user, opts) do
+ blocked_ap_ids = opts[:blocked_users_ap_ids] || User.blocked_users_ap_ids(user)
- defp restrict_since(query, %{"since_id" => since_id}) do
- from(activity in query, where: activity.id > ^since_id)
+ 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 restrict_since(query, _), do: query
+ defp exclude_notification_muted(query, _, %{@include_muted_option => true}) do
+ query
+ end
- def for_user(user, opts \\ %{}) do
- query =
- from(
- n in Notification,
- where: n.user_id == ^user.id,
- order_by: [desc: n.id],
- join: activity in assoc(n, :activity),
- preload: [activity: activity],
- limit: 20
- )
+ 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 =
+ query
+ |> where([n, a], a.actor not in ^notification_muted_ap_ids)
+ |> join(:left, [n, a], tm in Pleroma.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
+
+ @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
- |> restrict_since(opts)
- |> restrict_max(opts)
+ end
+ end
- Repo.all(query)
+ 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
n in Notification,
where: n.user_id == ^user_id,
where: n.id <= ^id,
+ where: n.seen == false,
update: [
- set: [seen: true]
- ]
+ 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
)
- Repo.update_all(query, [])
+ {_, 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
|> 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)
end
end
- def create_notifications(%Activity{data: %{"to" => _, "type" => type}} = activity)
- when type in ["Create", "Like", "Announce", "Follow"] do
- users = get_notified_from_activity(activity)
+ def create_notifications(%Activity{data: %{"to" => _, "type" => "Create"}} = activity) do
+ object = Object.normalize(activity)
+
+ unless object && object.data["type"] == "Answer" do
+ users = get_notified_from_activity(activity)
+ notifications = Enum.map(users, fn user -> create_notification(activity, user) end)
+ {:ok, notifications}
+ else
+ {:ok, []}
+ end
+ end
+
+ def create_notifications(%Activity{data: %{"type" => type}} = activity)
+ when type in ["Like", "Announce", "Follow", "Move", "EmojiReact"] do
+ notifications =
+ activity
+ |> get_notified_from_activity()
+ |> Enum.map(&create_notification(activity, &1))
- notifications = Enum.map(users, fn user -> create_notification(activity, user) end)
{:ok, notifications}
end
# TODO move to sql, too.
def create_notification(%Activity{} = activity, %User{} = user) do
- unless User.blocks?(user, %{ap_id: activity.data["actor"]}) or
- CommonAPI.thread_muted?(user, activity) or user.ap_id == activity.data["actor"] or
- (activity.data["type"] == "Follow" and
- Enum.any?(Notification.for_user(user), fn notif ->
- notif.activity.data["type"] == "Follow" and
- notif.activity.data["actor"] == activity.data["actor"]
- end)) do
+ unless skip?(activity, user) do
notification = %Notification{user_id: user.id, activity: activity}
{:ok, notification} = Repo.insert(notification)
- Pleroma.Web.Streamer.stream("user", notification)
- Pleroma.Web.Push.send(notification)
+
+ ["user", "user:notification"]
+ |> Streamer.stream(notification)
+
+ Push.send(notification)
notification
end
end
def get_notified_from_activity(activity, local_only \\ true)
- def get_notified_from_activity(
- %Activity{data: %{"to" => _, "type" => type} = _data} = activity,
- local_only
- )
- when type in ["Create", "Like", "Announce", "Follow"] do
- recipients =
- []
- |> Utils.maybe_notify_to_recipients(activity)
- |> Utils.maybe_notify_mentioned_recipients(activity)
- |> Enum.uniq()
-
- User.get_users_from_set(recipients, local_only)
+ def get_notified_from_activity(%Activity{data: %{"type" => type}} = activity, local_only)
+ when type in ["Create", "Like", "Announce", "Follow", "Move", "EmojiReact"] do
+ []
+ |> Utils.maybe_notify_to_recipients(activity)
+ |> Utils.maybe_notify_mentioned_recipients(activity)
+ |> Utils.maybe_notify_subscribers(activity)
+ |> Utils.maybe_notify_followers(activity)
+ |> Enum.uniq()
+ |> User.get_users_from_set(local_only)
end
def get_notified_from_activity(_, _local_only), do: []
+
+ @spec skip?(Activity.t(), User.t()) :: boolean()
+ def skip?(activity, user) do
+ [
+ :self,
+ :followers,
+ :follows,
+ :non_followers,
+ :non_follows,
+ :recently_followed
+ ]
+ |> Enum.any?(&skip?(&1, activity, user))
+ end
+
+ @spec skip?(atom(), Activity.t(), User.t()) :: boolean()
+ def skip?(:self, activity, user) do
+ activity.data["actor"] == user.ap_id
+ end
+
+ def skip?(
+ :followers,
+ activity,
+ %{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,
+ %{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, %{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,
+ %{notification_settings: %{non_follows: false}} = user
+ ) do
+ actor = activity.data["actor"]
+ followed = User.get_cached_by_ap_id(actor)
+ !User.following?(user, followed)
+ end
+
+ def skip?(:recently_followed, %{data: %{"type" => "Follow"}} = activity, 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