# Pleroma: A lightweight social networking server # Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/> # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.ScheduledActivity do use Ecto.Schema alias Pleroma.Config alias Pleroma.Repo alias Pleroma.ScheduledActivity alias Pleroma.User alias Pleroma.Web.CommonAPI.Utils import Ecto.Query import Ecto.Changeset @min_offset :timer.minutes(5) schema "scheduled_activities" do belongs_to(:user, User, type: Pleroma.FlakeId) field(:scheduled_at, :naive_datetime) field(:params, :map) timestamps() end def changeset(%ScheduledActivity{} = scheduled_activity, attrs) do scheduled_activity |> cast(attrs, [:scheduled_at, :params]) |> validate_required([:scheduled_at, :params]) |> validate_scheduled_at() |> with_media_attachments() end defp with_media_attachments( %{changes: %{params: %{"media_ids" => media_ids} = params}} = changeset ) when is_list(media_ids) do media_attachments = Utils.attachments_from_ids(%{"media_ids" => media_ids}) params = params |> Map.put("media_attachments", media_attachments) |> Map.put("media_ids", media_ids) put_change(changeset, :params, params) end defp with_media_attachments(changeset), do: changeset def update_changeset(%ScheduledActivity{} = scheduled_activity, attrs) do scheduled_activity |> cast(attrs, [:scheduled_at]) |> validate_required([:scheduled_at]) |> validate_scheduled_at() end def validate_scheduled_at(changeset) do validate_change(changeset, :scheduled_at, fn _, scheduled_at -> cond do not far_enough?(scheduled_at) -> [scheduled_at: "must be at least 5 minutes from now"] exceeds_daily_user_limit?(changeset.data.user_id, scheduled_at) -> [scheduled_at: "daily limit exceeded"] exceeds_total_user_limit?(changeset.data.user_id) -> [scheduled_at: "total limit exceeded"] true -> [] end end) end def exceeds_daily_user_limit?(user_id, scheduled_at) do ScheduledActivity |> where(user_id: ^user_id) |> where([sa], type(sa.scheduled_at, :date) == type(^scheduled_at, :date)) |> select([sa], count(sa.id)) |> Repo.one() |> Kernel.>=(Config.get([ScheduledActivity, :daily_user_limit])) end def exceeds_total_user_limit?(user_id) do ScheduledActivity |> where(user_id: ^user_id) |> select([sa], count(sa.id)) |> Repo.one() |> Kernel.>=(Config.get([ScheduledActivity, :total_user_limit])) end def far_enough?(scheduled_at) when is_binary(scheduled_at) do with {:ok, scheduled_at} <- Ecto.Type.cast(:naive_datetime, scheduled_at) do far_enough?(scheduled_at) else _ -> false end end def far_enough?(scheduled_at) do now = NaiveDateTime.utc_now() diff = NaiveDateTime.diff(scheduled_at, now, :millisecond) diff > @min_offset end def new(%User{} = user, attrs) do %ScheduledActivity{user_id: user.id} |> changeset(attrs) end def create(%User{} = user, attrs) do user |> new(attrs) |> Repo.insert() end def get(%User{} = user, scheduled_activity_id) do ScheduledActivity |> where(user_id: ^user.id) |> where(id: ^scheduled_activity_id) |> Repo.one() end def update(%ScheduledActivity{} = scheduled_activity, attrs) do scheduled_activity |> update_changeset(attrs) |> Repo.update() end def delete(%ScheduledActivity{} = scheduled_activity) do scheduled_activity |> Repo.delete() end def delete(id) when is_binary(id) or is_integer(id) do ScheduledActivity |> where(id: ^id) |> select([sa], sa) |> Repo.delete_all() |> case do {1, [scheduled_activity]} -> {:ok, scheduled_activity} _ -> :error end end def for_user_query(%User{} = user) do ScheduledActivity |> where(user_id: ^user.id) end def due_activities(offset \\ 0) do naive_datetime = NaiveDateTime.utc_now() |> NaiveDateTime.add(offset, :millisecond) ScheduledActivity |> where([sa], sa.scheduled_at < ^naive_datetime) |> Repo.all() end end