+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
defmodule Pleroma.Notification do
use Ecto.Schema
- alias Pleroma.{User, Activity, Notification, Repo}
+
+ alias Pleroma.Activity
+ alias Pleroma.Notification
+ alias Pleroma.Object
+ alias Pleroma.Pagination
+ alias Pleroma.Repo
+ alias Pleroma.User
+ alias Pleroma.Web.CommonAPI.Utils
+ alias Pleroma.Web.Push
+ alias Pleroma.Web.Streamer
+
import Ecto.Query
+ import Ecto.Changeset
+
+ @type t :: %__MODULE__{}
schema "notifications" do
- field :seen, :boolean, default: false
- belongs_to :user, Pleroma.User
- belongs_to :activity, Pleroma.Activity
+ field(:seen, :boolean, default: false)
+ belongs_to(:user, User, type: Pleroma.FlakeId)
+ belongs_to(:activity, Activity, type: Pleroma.FlakeId)
timestamps()
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
+ def changeset(%Notification{} = notification, attrs) do
+ notification
+ |> cast(attrs, [:seen])
end
- defp restrict_max(query, _), do: query
- defp restrict_since(query, %{"since_id" => since_id}) do
- from activity in query, where: activity.id > ^since_id
+ def for_user_query(user, opts \\ []) do
+ query =
+ Notification
+ |> where(user_id: ^user.id)
+ |> where(
+ [n, a],
+ fragment(
+ "? not in (SELECT ap_id FROM users WHERE info->'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})
+
+ if opts[:with_muted] do
+ query
+ else
+ where(query, [n, a], a.actor not in ^user.info.muted_notifications)
+ |> where([n, a], a.actor not in ^user.info.blocks)
+ |> where(
+ [n, a],
+ fragment("substring(? from '.*://([^/]*)')", a.actor) not in ^user.info.domain_blocks
+ )
+ |> 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
end
- defp restrict_since(query, _), do: query
def for_user(user, opts \\ %{}) do
- query = from n in Notification,
- where: n.user_id == ^user.id,
- order_by: [desc: n.id],
- preload: [:activity],
- limit: 20
+ 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)
- query = query
- |> restrict_since(opts)
- |> restrict_max(opts)
+ case notification do
+ %{user_id: ^user_id} ->
+ Repo.delete(notification)
- Repo.all(query)
+ _ ->
+ {:error, "Cannot dismiss notification"}
+ end
end
- def create_notifications(%Activity{id: id, data: %{"to" => to, "type" => type}} = activity) when type in ["Create", "Like", "Announce", "Follow"] do
- users = User.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
- notifications = Enum.map(users, fn (user) -> create_notification(activity, user) end)
+ def create_notifications(%Activity{data: %{"to" => _, "type" => type}} = activity)
+ when type in ["Like", "Announce", "Follow"] do
+ users = get_notified_from_activity(activity)
+ notifications = Enum.map(users, fn user -> create_notification(activity, user) end)
{:ok, notifications}
end
+
def create_notifications(_), do: {:ok, []}
# TODO move to sql, too.
def create_notification(%Activity{} = activity, %User{} = user) do
- unless User.blocks?(user, %{ap_id: activity.data["actor"]}) do
- notification = %Notification{user_id: user.id, activity_id: activity.id}
+ unless skip?(activity, user) do
+ notification = %Notification{user_id: user.id, activity: activity}
{:ok, notification} = Repo.insert(notification)
+ Streamer.stream("user", notification)
+ Streamer.stream("user:notification", notification)
+ Push.send(notification)
notification
end
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)
+ |> Utils.maybe_notify_subscribers(activity)
+ |> Enum.uniq()
+
+ User.get_users_from_set(recipients, 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,
+ %{info: %{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,
+ %{info: %{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, %{info: %{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,
+ %{info: %{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
projects / akkoma / blobdiff