# 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
+ def changeset(%ActivityExpiration{} = expiration, attrs, validate_scheduled_at) do
expiration
|> cast(attrs, [:scheduled_at])
|> validate_required([:scheduled_at])
+ |> validate_scheduled_at(validate_scheduled_at)
end
def get_by_activity_id(activity_id) do
|> Repo.one()
end
- def create(%Activity{} = activity, scheduled_at) do
+ def create(%Activity{} = activity, scheduled_at, validate_scheduled_at \\ true) do
%ActivityExpiration{activity_id: activity.id}
- |> changeset(%{scheduled_at: scheduled_at})
+ |> changeset(%{scheduled_at: scheduled_at}, validate_scheduled_at)
|> Repo.insert()
end
ActivityExpiration
|> where([exp], exp.scheduled_at < ^naive_datetime)
+ |> limit(50)
+ |> preload(:activity)
|> Repo.all()
+ |> Enum.reject(fn %{activity: activity} ->
+ Activity.pinned_by_actor?(activity)
+ end)
+ end
+
+ def validate_scheduled_at(changeset, false), do: changeset
+
+ def validate_scheduled_at(changeset, true) 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