ash_double_entry/lib/account/calculations/balance_as_of.ex

17 lines
476 B
Elixir

defmodule AshDoubleEntry.Account.Calculations.BalanceAsOf do
# Calculates the balance as of a given datetime. See the getting started guide for more.
@moduledoc false
use Ash.Resource.Calculation
require Ash.Expr
def expression(_opts, context) do
Ash.Expr.expr(
balance_as_of_ulid(ulid: lazy({__MODULE__, :ulid, [context.arguments.timestamp]}))
)
end
@doc false
def ulid(timestamp) do
AshDoubleEntry.ULID.generate_last(timestamp)
end
end