# Pleroma: A lightweight social networking server
-# Copyright © 2019 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.ActivityExpiration do
alias Pleroma.Activity
alias Pleroma.ActivityExpiration
- alias Pleroma.FlakeId
alias Pleroma.Repo
+ import Ecto.Changeset
import Ecto.Query
@type t :: %__MODULE__{}
+ @min_activity_lifetime :timer.hours(1)
schema "activity_expirations" do
- belongs_to(:activity, Activity, type: FlakeId)
+ belongs_to(:activity, Activity, type: FlakeId.Ecto.CompatType)
field(:scheduled_at, :naive_datetime)
end
+ def changeset(%ActivityExpiration{} = expiration, attrs) do
+ expiration
+ |> cast(attrs, [:scheduled_at])
+ |> validate_required([:scheduled_at])
+ |> validate_scheduled_at()
+ end
+
+ def get_by_activity_id(activity_id) do
+ ActivityExpiration
+ |> where([exp], exp.activity_id == ^activity_id)
+ |> Repo.one()
+ end
+
+ def create(%Activity{} = activity, scheduled_at) do
+ %ActivityExpiration{activity_id: activity.id}
+ |> changeset(%{scheduled_at: scheduled_at})
+ |> Repo.insert()
+ end
+
def due_expirations(offset \\ 0) do
naive_datetime =
NaiveDateTime.utc_now()
|> where([exp], exp.scheduled_at < ^naive_datetime)
|> Repo.all()
end
+
+ def validate_scheduled_at(changeset) do
+ validate_change(changeset, :scheduled_at, fn _, scheduled_at ->
+ if not expires_late_enough?(scheduled_at) do
+ [scheduled_at: "an ephemeral activity must live for at least one hour"]
+ else
+ []
+ end
+ end)
+ end
+
+ def expires_late_enough?(scheduled_at) do
+ now = NaiveDateTime.utc_now()
+ diff = NaiveDateTime.diff(scheduled_at, now, :millisecond)
+ diff > @min_activity_lifetime
+ end
end