158 lines
4.2 KiB
Elixir
158 lines
4.2 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Notification do
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use Ecto.Schema
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alias Pleroma.Activity
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alias Pleroma.Notification
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alias Pleroma.Object
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alias Pleroma.Pagination
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alias Pleroma.Repo
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alias Pleroma.User
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alias Pleroma.Web.CommonAPI
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alias Pleroma.Web.CommonAPI.Utils
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import Ecto.Query
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import Ecto.Changeset
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schema "notifications" do
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field(:seen, :boolean, default: false)
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belongs_to(:user, User, type: Pleroma.FlakeId)
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belongs_to(:activity, Activity, type: Pleroma.FlakeId)
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timestamps()
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end
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def changeset(%Notification{} = notification, attrs) do
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notification
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|> cast(attrs, [:seen])
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end
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def for_user_query(user) do
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Notification
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|> where(user_id: ^user.id)
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|> join(:inner, [n], activity in assoc(n, :activity))
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|> join(:left, [n, a], object in Object,
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on:
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fragment(
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"(?->>'id') = COALESCE((? -> 'object'::text) ->> 'id'::text)",
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object.data,
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a.data
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)
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)
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|> preload([n, a, o], activity: {a, object: o})
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end
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def for_user(user, opts \\ %{}) do
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user
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|> for_user_query()
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|> Pagination.fetch_paginated(opts)
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end
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def set_read_up_to(%{id: user_id} = _user, id) do
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query =
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from(
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n in Notification,
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where: n.user_id == ^user_id,
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where: n.id <= ^id,
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update: [
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set: [seen: true]
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]
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)
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Repo.update_all(query, [])
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end
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def read_one(%User{} = user, notification_id) do
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with {:ok, %Notification{} = notification} <- get(user, notification_id) do
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notification
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|> changeset(%{seen: true})
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|> Repo.update()
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end
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end
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def get(%{id: user_id} = _user, id) do
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query =
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from(
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n in Notification,
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where: n.id == ^id,
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join: activity in assoc(n, :activity),
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preload: [activity: activity]
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)
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notification = Repo.one(query)
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case notification do
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%{user_id: ^user_id} ->
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{:ok, notification}
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_ ->
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{:error, "Cannot get notification"}
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end
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end
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def clear(user) do
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from(n in Notification, where: n.user_id == ^user.id)
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|> Repo.delete_all()
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end
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def dismiss(%{id: user_id} = _user, id) do
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notification = Repo.get(Notification, id)
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case notification do
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%{user_id: ^user_id} ->
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Repo.delete(notification)
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_ ->
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{:error, "Cannot dismiss notification"}
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end
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end
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def create_notifications(%Activity{data: %{"to" => _, "type" => type}} = activity)
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when type in ["Create", "Like", "Announce", "Follow"] do
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users = get_notified_from_activity(activity)
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notifications = Enum.map(users, fn user -> create_notification(activity, user) end)
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{:ok, notifications}
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end
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def create_notifications(_), do: {:ok, []}
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# TODO move to sql, too.
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def create_notification(%Activity{} = activity, %User{} = user) do
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unless User.blocks?(user, %{ap_id: activity.data["actor"]}) or
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CommonAPI.thread_muted?(user, activity) or user.ap_id == activity.data["actor"] or
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(activity.data["type"] == "Follow" and
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Enum.any?(Notification.for_user(user), fn notif ->
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notif.activity.data["type"] == "Follow" and
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notif.activity.data["actor"] == activity.data["actor"]
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end)) do
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notification = %Notification{user_id: user.id, activity: activity}
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{:ok, notification} = Repo.insert(notification)
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Pleroma.Web.Streamer.stream("user", notification)
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Pleroma.Web.Push.send(notification)
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notification
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end
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end
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def get_notified_from_activity(activity, local_only \\ true)
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def get_notified_from_activity(
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%Activity{data: %{"to" => _, "type" => type} = _data} = activity,
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local_only
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)
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when type in ["Create", "Like", "Announce", "Follow"] do
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recipients =
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[]
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|> Utils.maybe_notify_to_recipients(activity)
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|> Utils.maybe_notify_mentioned_recipients(activity)
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|> Enum.uniq()
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User.get_users_from_set(recipients, local_only)
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end
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def get_notified_from_activity(_, _local_only), do: []
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end
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