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-rw-r--r--lib/pleroma/activity_expiration.ex74
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diff --git a/lib/pleroma/activity_expiration.ex b/lib/pleroma/activity_expiration.ex
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--- a/lib/pleroma/activity_expiration.ex
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-# Pleroma: A lightweight social networking server
-# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
-# SPDX-License-Identifier: AGPL-3.0-only
-
-defmodule Pleroma.ActivityExpiration do
- use Ecto.Schema
-
- alias Pleroma.Activity
- alias Pleroma.ActivityExpiration
- 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.Ecto.CompatType)
- field(:scheduled_at, :naive_datetime)
- end
-
- 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
- ActivityExpiration
- |> where([exp], exp.activity_id == ^activity_id)
- |> Repo.one()
- end
-
- def create(%Activity{} = activity, scheduled_at, validate_scheduled_at \\ true) do
- %ActivityExpiration{activity_id: activity.id}
- |> changeset(%{scheduled_at: scheduled_at}, validate_scheduled_at)
- |> Repo.insert()
- end
-
- def due_expirations(offset \\ 0) do
- naive_datetime =
- NaiveDateTime.utc_now()
- |> NaiveDateTime.add(offset, :millisecond)
-
- 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