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lib/invoicex.ex
defmodule Invoicex do
@moduledoc """
Main invoicex module.
"""
alias Ecto.Changeset
@doc """
Fetches ecto schema prefix specified in `:invoicex` configuration.
This is used in enums and model schemas to specfify their database schema name.
"""
@spec schema_prefix :: nil | atom
def schema_prefix, do: Application.get_env(:invoicex, :schema_prefix, nil)
def validate_order(changeset, false), do: changeset
def validate_order(changeset, true) do
changeset
|> Changeset.validate_required(:order)
|> Changeset.validate_number(:order, greater_than: 0)
end
end