# Copyright (c) 2013, Web Notes Technologies Pvt. Ltd. and Contributors
# License: GNU General Public License v3. See license.txt

from __future__ import unicode_literals
import frappe
from frappe import throw, _

from frappe.model.document import Document

class Currency(Document):
	def validate(self):
		frappe.clear_cache()

def validate_conversion_rate(currency, conversion_rate, conversion_rate_label, company):
	"""common validation for currency and price list currency"""

	company_currency = frappe.db.get_value("Company", company, "default_currency")

	if not conversion_rate:
		throw(_("{0} is mandatory. Maybe Currency Exchange record is not created for {1} to {2}.").format(
			conversion_rate_label, currency, company_currency))