#   DrCr: Web-based double-entry bookkeeping framework
#   Copyright (C) 2022–2024  Lee Yingtong Li (RunasSudo)
#
#   This program is free software: you can redistribute it and/or modify
#   it under the terms of the GNU Affero General Public License as published by
#   the Free Software Foundation, either version 3 of the License, or
#   (at your option) any later version.
#
#   This program is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#   GNU Affero General Public License for more details.
#
#   You should have received a copy of the GNU Affero General Public License
#   along with this program.  If not, see <https://www.gnu.org/licenses/>.

from drcr.models import reporting_commodity

import functools

def assert_aud(f):
	"""Wrap a function to assert that the reporting_commodity is $"""
	
	@functools.wraps(f)
	def wrapper(*args, **kwargs):
		if reporting_commodity() != '$':
			raise Exception('austax requires reporting_commodity to be $')
		
		return f(*args, **kwargs)
	
	return wrapper