Merge branch 'fix/truncate-remote-user-fields' into 'develop'

[akkoma] / lib / pleroma / activity_expiration.ex

diff --git a/lib/pleroma/activity_expiration.ex b/lib/pleroma/activity_expiration.ex
index d3d95f9e94ec5cad4d02b6ff4a99d1f10e9cec6c..bf57abca493381792dde61e6981dac1c617f498b 100644 (file)
--- a/lib/pleroma/activity_expiration.ex
+++ b/lib/pleroma/activity_expiration.ex
@@ -10,15 +10,36 @@ defmodule Pleroma.ActivityExpiration do
   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)
     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()
@@ -28,4 +49,20 @@ defmodule Pleroma.ActivityExpiration do
     |> 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