1 # Pleroma: A lightweight social networking server
2 # Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
3 # SPDX-License-Identifier: AGPL-3.0-only
5 defmodule Pleroma.Notification do
9 alias Pleroma.Notification
11 alias Pleroma.Pagination
14 alias Pleroma.Web.CommonAPI
15 alias Pleroma.Web.CommonAPI.Utils
20 @type t :: %__MODULE__{}
22 schema "notifications" do
23 field(:seen, :boolean, default: false)
24 belongs_to(:user, User, type: Pleroma.FlakeId)
25 belongs_to(:activity, Activity, type: Pleroma.FlakeId)
30 def changeset(%Notification{} = notification, attrs) do
32 |> cast(attrs, [:seen])
35 def for_user_query(user) do
37 |> where(user_id: ^user.id)
41 "? not in (SELECT ap_id FROM users WHERE info->'deactivated' @> 'true')",
45 |> join(:inner, [n], activity in assoc(n, :activity))
46 |> join(:left, [n, a], object in Object,
49 "(?->>'id') = COALESCE((? -> 'object'::text) ->> 'id'::text)",
54 |> preload([n, a, o], activity: {a, object: o})
57 def for_user(user, opts \\ %{}) do
60 |> Pagination.fetch_paginated(opts)
64 Returns notifications for user received since given date.
68 iex> Pleroma.Notification.for_user_since(%Pleroma.User{}, ~N[2019-04-13 11:22:33])
69 [%Pleroma.Notification{}, %Pleroma.Notification{}]
71 iex> Pleroma.Notification.for_user_since(%Pleroma.User{}, ~N[2019-04-15 11:22:33])
74 @spec for_user_since(Pleroma.User.t(), NaiveDateTime.t()) :: [t()]
75 def for_user_since(user, date) do
76 from(n in for_user_query(user),
77 where: n.updated_at > ^date
82 def set_read_up_to(%{id: user_id} = _user, id) do
86 where: n.user_id == ^user_id,
91 updated_at: ^NaiveDateTime.utc_now()
96 Repo.update_all(query, [])
99 def read_one(%User{} = user, notification_id) do
100 with {:ok, %Notification{} = notification} <- get(user, notification_id) do
102 |> changeset(%{seen: true})
107 def get(%{id: user_id} = _user, id) do
112 join: activity in assoc(n, :activity),
113 preload: [activity: activity]
116 notification = Repo.one(query)
119 %{user_id: ^user_id} ->
123 {:error, "Cannot get notification"}
128 from(n in Notification, where: n.user_id == ^user.id)
132 def destroy_multiple(%{id: user_id} = _user, ids) do
133 from(n in Notification,
135 where: n.user_id == ^user_id
140 def dismiss(%{id: user_id} = _user, id) do
141 notification = Repo.get(Notification, id)
144 %{user_id: ^user_id} ->
145 Repo.delete(notification)
148 {:error, "Cannot dismiss notification"}
152 def create_notifications(%Activity{data: %{"to" => _, "type" => type}} = activity)
153 when type in ["Create", "Like", "Announce", "Follow"] do
154 object = Object.normalize(activity)
156 unless object && object.data["type"] == "Answer" do
157 users = get_notified_from_activity(activity)
158 notifications = Enum.map(users, fn user -> create_notification(activity, user) end)
165 def create_notifications(_), do: {:ok, []}
167 # TODO move to sql, too.
168 def create_notification(%Activity{} = activity, %User{} = user) do
169 unless skip?(activity, user) do
170 notification = %Notification{user_id: user.id, activity: activity}
171 {:ok, notification} = Repo.insert(notification)
172 Pleroma.Web.Streamer.stream("user", notification)
173 Pleroma.Web.Push.send(notification)
178 def get_notified_from_activity(activity, local_only \\ true)
180 def get_notified_from_activity(
181 %Activity{data: %{"to" => _, "type" => type} = _data} = activity,
184 when type in ["Create", "Like", "Announce", "Follow"] do
187 |> Utils.maybe_notify_to_recipients(activity)
188 |> Utils.maybe_notify_mentioned_recipients(activity)
189 |> Utils.maybe_notify_subscribers(activity)
192 User.get_users_from_set(recipients, local_only)
195 def get_notified_from_activity(_, _local_only), do: []
197 def skip?(activity, user) do
208 |> Enum.any?(&skip?(&1, activity, user))
211 def skip?(:self, activity, user) do
212 activity.data["actor"] == user.ap_id
215 def skip?(:blocked, activity, user) do
216 actor = activity.data["actor"]
217 User.blocks?(user, %{ap_id: actor})
220 def skip?(:muted, activity, user) do
221 actor = activity.data["actor"]
223 User.mutes?(user, %{ap_id: actor}) or CommonAPI.thread_muted?(user, activity)
229 %{info: %{notification_settings: %{"followers" => false}}} = user
231 actor = activity.data["actor"]
232 follower = User.get_cached_by_ap_id(actor)
233 User.following?(follower, user)
239 %{info: %{notification_settings: %{"non_followers" => false}}} = user
241 actor = activity.data["actor"]
242 follower = User.get_cached_by_ap_id(actor)
243 !User.following?(follower, user)
246 def skip?(:follows, activity, %{info: %{notification_settings: %{"follows" => false}}} = user) do
247 actor = activity.data["actor"]
248 followed = User.get_cached_by_ap_id(actor)
249 User.following?(user, followed)
255 %{info: %{notification_settings: %{"non_follows" => false}}} = user
257 actor = activity.data["actor"]
258 followed = User.get_cached_by_ap_id(actor)
259 !User.following?(user, followed)
262 def skip?(:recently_followed, %{data: %{"type" => "Follow"}} = activity, user) do
263 actor = activity.data["actor"]
265 Notification.for_user(user)
267 %{activity: %{data: %{"type" => "Follow", "actor" => ^actor}}} -> true
272 def skip?(_, _, _), do: false