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