853 lines
		
	
	
		
			33 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			853 lines
		
	
	
		
			33 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| # Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
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| # License: GNU General Public License v3. See license.txt
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| 
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| 
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| import json
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| 
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| import frappe
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| from frappe import _, scrub
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| from frappe.utils import cint, flt, round_based_on_smallest_currency_fraction
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| 
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| import erpnext
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| from erpnext.accounts.doctype.journal_entry.journal_entry import get_exchange_rate
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| from erpnext.accounts.doctype.pricing_rule.utils import get_applied_pricing_rules
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| from erpnext.controllers.accounts_controller import (
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| 	validate_conversion_rate,
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| 	validate_inclusive_tax,
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| 	validate_taxes_and_charges,
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| )
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| from erpnext.stock.get_item_details import _get_item_tax_template
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| 
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| 
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| class calculate_taxes_and_totals(object):
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| 	def __init__(self, doc):
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| 		self.doc = doc
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| 		frappe.flags.round_off_applicable_accounts = []
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| 		get_round_off_applicable_accounts(self.doc.company, frappe.flags.round_off_applicable_accounts)
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| 		self.calculate()
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| 
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| 	def calculate(self):
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| 		if not len(self.doc.get("items")):
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| 			return
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| 
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| 		self.discount_amount_applied = False
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| 		self._calculate()
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| 
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| 		if self.doc.meta.get_field("discount_amount"):
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| 			self.set_discount_amount()
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| 			self.apply_discount_amount()
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| 
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| 		if self.doc.doctype in ["Sales Invoice", "Purchase Invoice"]:
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| 			self.calculate_total_advance()
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| 
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| 		if self.doc.meta.get_field("other_charges_calculation"):
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| 			self.set_item_wise_tax_breakup()
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| 
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| 	def _calculate(self):
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| 		self.validate_conversion_rate()
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| 		self.calculate_item_values()
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| 		self.validate_item_tax_template()
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| 		self.initialize_taxes()
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| 		self.determine_exclusive_rate()
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| 		self.calculate_net_total()
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| 		self.calculate_shipping_charges()
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| 		self.calculate_taxes()
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| 		self.manipulate_grand_total_for_inclusive_tax()
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| 		self.calculate_totals()
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| 		self._cleanup()
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| 		self.calculate_total_net_weight()
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| 
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| 	def validate_item_tax_template(self):
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| 		for item in self.doc.get('items'):
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| 			if item.item_code and item.get('item_tax_template'):
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| 				item_doc = frappe.get_cached_doc("Item", item.item_code)
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| 				args = {
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| 					'net_rate': item.net_rate or item.rate,
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| 					'tax_category': self.doc.get('tax_category'),
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| 					'posting_date': self.doc.get('posting_date'),
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| 					'bill_date': self.doc.get('bill_date'),
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| 					'transaction_date': self.doc.get('transaction_date'),
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| 					'company': self.doc.get('company')
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| 				}
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| 
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| 				item_group = item_doc.item_group
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| 				item_group_taxes = []
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| 
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| 				while item_group:
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| 					item_group_doc = frappe.get_cached_doc('Item Group', item_group)
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| 					item_group_taxes += item_group_doc.taxes or []
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| 					item_group = item_group_doc.parent_item_group
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| 
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| 				item_taxes = item_doc.taxes or []
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| 
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| 				if not item_group_taxes and (not item_taxes):
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| 					# No validation if no taxes in item or item group
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| 					continue
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| 
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| 				taxes = _get_item_tax_template(args, item_taxes + item_group_taxes, for_validate=True)
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| 
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| 				if taxes:
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| 					if item.item_tax_template not in taxes:
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| 						item.item_tax_template = taxes[0]
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| 						frappe.msgprint(_("Row {0}: Item Tax template updated as per validity and rate applied").format(
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| 							item.idx, frappe.bold(item.item_code)
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| 						))
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| 
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| 	def validate_conversion_rate(self):
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| 		# validate conversion rate
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| 		company_currency = erpnext.get_company_currency(self.doc.company)
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| 		if not self.doc.currency or self.doc.currency == company_currency:
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| 			self.doc.currency = company_currency
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| 			self.doc.conversion_rate = 1.0
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| 		else:
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| 			validate_conversion_rate(self.doc.currency, self.doc.conversion_rate,
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| 				self.doc.meta.get_label("conversion_rate"), self.doc.company)
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| 
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| 		self.doc.conversion_rate = flt(self.doc.conversion_rate)
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| 
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| 	def calculate_item_values(self):
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| 		if not self.discount_amount_applied:
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| 			for item in self.doc.get("items"):
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| 				self.doc.round_floats_in(item)
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| 
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| 				if item.discount_percentage == 100:
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| 					item.rate = 0.0
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| 				elif item.price_list_rate:
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| 					if not item.rate or (item.pricing_rules and item.discount_percentage > 0):
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| 						item.rate = flt(item.price_list_rate *
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| 							(1.0 - (item.discount_percentage / 100.0)), item.precision("rate"))
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| 						item.discount_amount = item.price_list_rate * (item.discount_percentage / 100.0)
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| 					elif item.discount_amount and item.pricing_rules:
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| 						item.rate =  item.price_list_rate - item.discount_amount
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| 
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| 				if item.doctype in ['Quotation Item', 'Sales Order Item', 'Delivery Note Item', 'Sales Invoice Item', 'POS Invoice Item', 'Purchase Invoice Item', 'Purchase Order Item', 'Purchase Receipt Item']:
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| 					item.rate_with_margin, item.base_rate_with_margin = self.calculate_margin(item)
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| 					if flt(item.rate_with_margin) > 0:
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| 						item.rate = flt(item.rate_with_margin * (1.0 - (item.discount_percentage / 100.0)), item.precision("rate"))
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| 
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| 						if item.discount_amount and not item.discount_percentage:
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| 							item.rate = item.rate_with_margin - item.discount_amount
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| 						else:
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| 							item.discount_amount = item.rate_with_margin - item.rate
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| 
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| 					elif flt(item.price_list_rate) > 0:
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| 						item.discount_amount = item.price_list_rate - item.rate
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| 				elif flt(item.price_list_rate) > 0 and not item.discount_amount:
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| 					item.discount_amount = item.price_list_rate - item.rate
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| 
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| 				item.net_rate = item.rate
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| 
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| 				if not item.qty and self.doc.get("is_return"):
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| 					item.amount = flt(-1 * item.rate, item.precision("amount"))
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| 				elif not item.qty and self.doc.get("is_debit_note"):
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| 					item.amount = flt(item.rate, item.precision("amount"))
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| 				else:
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| 					item.amount = flt(item.rate * item.qty,	item.precision("amount"))
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| 
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| 				item.net_amount = item.amount
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| 
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| 				self._set_in_company_currency(item, ["price_list_rate", "rate", "net_rate", "amount", "net_amount"])
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| 
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| 				item.item_tax_amount = 0.0
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| 
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| 	def _set_in_company_currency(self, doc, fields):
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| 		"""set values in base currency"""
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| 		for f in fields:
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| 			val = flt(flt(doc.get(f), doc.precision(f)) * self.doc.conversion_rate, doc.precision("base_" + f))
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| 			doc.set("base_" + f, val)
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| 
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| 	def initialize_taxes(self):
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| 		for tax in self.doc.get("taxes"):
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| 			if not self.discount_amount_applied:
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| 				validate_taxes_and_charges(tax)
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| 				validate_inclusive_tax(tax, self.doc)
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| 
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| 			if not (self.doc.get('is_consolidated') or tax.get("dont_recompute_tax")):
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| 				tax.item_wise_tax_detail = {}
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| 
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| 			tax_fields = ["total", "tax_amount_after_discount_amount",
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| 				"tax_amount_for_current_item", "grand_total_for_current_item",
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| 				"tax_fraction_for_current_item", "grand_total_fraction_for_current_item"]
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| 
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| 			if tax.charge_type != "Actual" and \
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| 				not (self.discount_amount_applied and self.doc.apply_discount_on=="Grand Total"):
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| 					tax_fields.append("tax_amount")
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| 
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| 			for fieldname in tax_fields:
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| 				tax.set(fieldname, 0.0)
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| 
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| 			self.doc.round_floats_in(tax)
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| 
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| 	def determine_exclusive_rate(self):
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| 		if not any(cint(tax.included_in_print_rate) for tax in self.doc.get("taxes")):
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| 			return
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| 
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| 		for item in self.doc.get("items"):
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| 			item_tax_map = self._load_item_tax_rate(item.item_tax_rate)
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| 			cumulated_tax_fraction = 0
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| 			total_inclusive_tax_amount_per_qty = 0
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| 			for i, tax in enumerate(self.doc.get("taxes")):
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| 				tax.tax_fraction_for_current_item, inclusive_tax_amount_per_qty = self.get_current_tax_fraction(tax, item_tax_map)
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| 
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| 				if i==0:
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| 					tax.grand_total_fraction_for_current_item = 1 + tax.tax_fraction_for_current_item
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| 				else:
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| 					tax.grand_total_fraction_for_current_item = \
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| 						self.doc.get("taxes")[i-1].grand_total_fraction_for_current_item \
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| 						+ tax.tax_fraction_for_current_item
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| 
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| 				cumulated_tax_fraction += tax.tax_fraction_for_current_item
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| 				total_inclusive_tax_amount_per_qty += inclusive_tax_amount_per_qty * flt(item.qty)
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| 
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| 			if not self.discount_amount_applied and item.qty and (cumulated_tax_fraction or total_inclusive_tax_amount_per_qty):
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| 				amount = flt(item.amount) - total_inclusive_tax_amount_per_qty
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| 
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| 				item.net_amount = flt(amount / (1 + cumulated_tax_fraction))
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| 				item.net_rate = flt(item.net_amount / item.qty, item.precision("net_rate"))
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| 				item.discount_percentage = flt(item.discount_percentage,
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| 					item.precision("discount_percentage"))
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| 
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| 				self._set_in_company_currency(item, ["net_rate", "net_amount"])
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| 
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| 	def _load_item_tax_rate(self, item_tax_rate):
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| 		return json.loads(item_tax_rate) if item_tax_rate else {}
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| 
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| 	def get_current_tax_fraction(self, tax, item_tax_map):
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| 		"""
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| 			Get tax fraction for calculating tax exclusive amount
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| 			from tax inclusive amount
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| 		"""
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| 		current_tax_fraction = 0
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| 		inclusive_tax_amount_per_qty = 0
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| 
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| 		if cint(tax.included_in_print_rate):
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| 			tax_rate = self._get_tax_rate(tax, item_tax_map)
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| 
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| 			if tax.charge_type == "On Net Total":
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| 				current_tax_fraction = tax_rate / 100.0
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| 
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| 			elif tax.charge_type == "On Previous Row Amount":
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| 				current_tax_fraction = (tax_rate / 100.0) * \
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| 					self.doc.get("taxes")[cint(tax.row_id) - 1].tax_fraction_for_current_item
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| 
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| 			elif tax.charge_type == "On Previous Row Total":
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| 				current_tax_fraction = (tax_rate / 100.0) * \
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| 					self.doc.get("taxes")[cint(tax.row_id) - 1].grand_total_fraction_for_current_item
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| 
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| 			elif tax.charge_type == "On Item Quantity":
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| 				inclusive_tax_amount_per_qty = flt(tax_rate)
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| 
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| 		if getattr(tax, "add_deduct_tax", None) and tax.add_deduct_tax == "Deduct":
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| 			current_tax_fraction *= -1.0
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| 			inclusive_tax_amount_per_qty *= -1.0
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| 
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| 		return current_tax_fraction, inclusive_tax_amount_per_qty
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| 
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| 	def _get_tax_rate(self, tax, item_tax_map):
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| 		if tax.account_head in item_tax_map:
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| 			return flt(item_tax_map.get(tax.account_head), self.doc.precision("rate", tax))
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| 		else:
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| 			return tax.rate
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| 
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| 	def calculate_net_total(self):
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| 		self.doc.total_qty = self.doc.total = self.doc.base_total = self.doc.net_total = self.doc.base_net_total = 0.0
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| 
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| 		for item in self.doc.get("items"):
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| 			self.doc.total += item.amount
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| 			self.doc.total_qty += item.qty
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| 			self.doc.base_total += item.base_amount
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| 			self.doc.net_total += item.net_amount
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| 			self.doc.base_net_total += item.base_net_amount
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| 
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| 		self.doc.round_floats_in(self.doc, ["total", "base_total", "net_total", "base_net_total"])
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| 
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| 	def calculate_shipping_charges(self):
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| 		if hasattr(self.doc, "shipping_rule") and self.doc.shipping_rule:
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| 			shipping_rule = frappe.get_doc("Shipping Rule", self.doc.shipping_rule)
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| 			shipping_rule.apply(self.doc)
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| 
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| 	def calculate_taxes(self):
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| 		if not self.doc.get('is_consolidated'):
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| 			self.doc.rounding_adjustment = 0
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| 
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| 		# maintain actual tax rate based on idx
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| 		actual_tax_dict = dict([[tax.idx, flt(tax.tax_amount, tax.precision("tax_amount"))]
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| 			for tax in self.doc.get("taxes") if tax.charge_type == "Actual"])
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| 
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| 		for n, item in enumerate(self.doc.get("items")):
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| 			item_tax_map = self._load_item_tax_rate(item.item_tax_rate)
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| 			for i, tax in enumerate(self.doc.get("taxes")):
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| 				# tax_amount represents the amount of tax for the current step
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| 				current_tax_amount = self.get_current_tax_amount(item, tax, item_tax_map)
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| 
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| 				# Adjust divisional loss to the last item
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| 				if tax.charge_type == "Actual":
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| 					actual_tax_dict[tax.idx] -= current_tax_amount
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| 					if n == len(self.doc.get("items")) - 1:
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| 						current_tax_amount += actual_tax_dict[tax.idx]
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| 
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| 				# accumulate tax amount into tax.tax_amount
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| 				if tax.charge_type != "Actual" and \
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| 					not (self.discount_amount_applied and self.doc.apply_discount_on=="Grand Total"):
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| 						tax.tax_amount += current_tax_amount
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| 
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| 				# store tax_amount for current item as it will be used for
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| 				# charge type = 'On Previous Row Amount'
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| 				tax.tax_amount_for_current_item = current_tax_amount
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| 
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| 				# set tax after discount
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| 				tax.tax_amount_after_discount_amount += current_tax_amount
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| 
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| 				current_tax_amount = self.get_tax_amount_if_for_valuation_or_deduction(current_tax_amount, tax)
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| 
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| 				# note: grand_total_for_current_item contains the contribution of
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| 				# item's amount, previously applied tax and the current tax on that item
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| 				if i==0:
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| 					tax.grand_total_for_current_item = flt(item.net_amount + current_tax_amount)
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| 				else:
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| 					tax.grand_total_for_current_item = \
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| 						flt(self.doc.get("taxes")[i-1].grand_total_for_current_item + current_tax_amount)
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| 
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| 				# set precision in the last item iteration
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| 				if n == len(self.doc.get("items")) - 1:
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| 					self.round_off_totals(tax)
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| 					self._set_in_company_currency(tax,
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| 						["tax_amount", "tax_amount_after_discount_amount"])
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| 
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| 					self.round_off_base_values(tax)
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| 					self.set_cumulative_total(i, tax)
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| 
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| 					self._set_in_company_currency(tax, ["total"])
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| 
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| 					# adjust Discount Amount loss in last tax iteration
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| 					if i == (len(self.doc.get("taxes")) - 1) and self.discount_amount_applied \
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| 						and self.doc.discount_amount \
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| 						and self.doc.apply_discount_on == "Grand Total" \
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| 						and not self.doc.get('is_consolidated'):
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| 							self.doc.rounding_adjustment = flt(self.doc.grand_total
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| 								- flt(self.doc.discount_amount) - tax.total,
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| 								self.doc.precision("rounding_adjustment"))
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| 
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| 	def get_tax_amount_if_for_valuation_or_deduction(self, tax_amount, tax):
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| 		# if just for valuation, do not add the tax amount in total
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| 		# if tax/charges is for deduction, multiply by -1
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| 		if getattr(tax, "category", None):
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| 			tax_amount = 0.0 if (tax.category == "Valuation") else tax_amount
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| 			if self.doc.doctype in ["Purchase Order", "Purchase Invoice", "Purchase Receipt", "Supplier Quotation"]:
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| 				tax_amount *= -1.0 if (tax.add_deduct_tax == "Deduct") else 1.0
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| 		return tax_amount
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| 
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| 	def set_cumulative_total(self, row_idx, tax):
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| 		tax_amount = tax.tax_amount_after_discount_amount
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| 		tax_amount = self.get_tax_amount_if_for_valuation_or_deduction(tax_amount, tax)
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| 
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| 		if row_idx == 0:
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| 			tax.total = flt(self.doc.net_total + tax_amount, tax.precision("total"))
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| 		else:
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| 			tax.total = flt(self.doc.get("taxes")[row_idx-1].total + tax_amount, tax.precision("total"))
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| 
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| 	def get_current_tax_amount(self, item, tax, item_tax_map):
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| 		tax_rate = self._get_tax_rate(tax, item_tax_map)
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| 		current_tax_amount = 0.0
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| 
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| 		if tax.charge_type == "Actual":
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| 			# distribute the tax amount proportionally to each item row
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| 			actual = flt(tax.tax_amount, tax.precision("tax_amount"))
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| 			current_tax_amount = item.net_amount*actual / self.doc.net_total if self.doc.net_total else 0.0
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| 
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| 		elif tax.charge_type == "On Net Total":
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| 			current_tax_amount = (tax_rate / 100.0) * item.net_amount
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| 		elif tax.charge_type == "On Previous Row Amount":
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| 			current_tax_amount = (tax_rate / 100.0) * \
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| 				self.doc.get("taxes")[cint(tax.row_id) - 1].tax_amount_for_current_item
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| 		elif tax.charge_type == "On Previous Row Total":
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| 			current_tax_amount = (tax_rate / 100.0) * \
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| 				self.doc.get("taxes")[cint(tax.row_id) - 1].grand_total_for_current_item
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| 		elif tax.charge_type == "On Item Quantity":
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| 			current_tax_amount = tax_rate * item.qty
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| 
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| 		if not (self.doc.get("is_consolidated") or tax.get("dont_recompute_tax")):
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| 			self.set_item_wise_tax(item, tax, tax_rate, current_tax_amount)
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| 
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| 		return current_tax_amount
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| 
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| 	def set_item_wise_tax(self, item, tax, tax_rate, current_tax_amount):
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| 		# store tax breakup for each item
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| 		key = item.item_code or item.item_name
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| 		item_wise_tax_amount = current_tax_amount*self.doc.conversion_rate
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| 		if tax.item_wise_tax_detail.get(key):
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| 			item_wise_tax_amount += tax.item_wise_tax_detail[key][1]
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| 
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| 		tax.item_wise_tax_detail[key] = [tax_rate,flt(item_wise_tax_amount)]
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| 
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| 	def round_off_totals(self, tax):
 | |
| 		if tax.account_head in frappe.flags.round_off_applicable_accounts:
 | |
| 			tax.tax_amount = round(tax.tax_amount, 0)
 | |
| 			tax.tax_amount_after_discount_amount = round(tax.tax_amount_after_discount_amount, 0)
 | |
| 
 | |
| 		tax.tax_amount = flt(tax.tax_amount, tax.precision("tax_amount"))
 | |
| 		tax.tax_amount_after_discount_amount = flt(tax.tax_amount_after_discount_amount,
 | |
| 			tax.precision("tax_amount"))
 | |
| 
 | |
| 	def round_off_base_values(self, tax):
 | |
| 		# Round off to nearest integer based on regional settings
 | |
| 		if tax.account_head in frappe.flags.round_off_applicable_accounts:
 | |
| 			tax.base_tax_amount = round(tax.base_tax_amount, 0)
 | |
| 			tax.base_tax_amount_after_discount_amount = round(tax.base_tax_amount_after_discount_amount, 0)
 | |
| 
 | |
| 	def manipulate_grand_total_for_inclusive_tax(self):
 | |
| 		# if fully inclusive taxes and diff
 | |
| 		if self.doc.get("taxes") and any(cint(t.included_in_print_rate) for t in self.doc.get("taxes")):
 | |
| 			last_tax = self.doc.get("taxes")[-1]
 | |
| 			non_inclusive_tax_amount = sum(flt(d.tax_amount_after_discount_amount)
 | |
| 				for d in self.doc.get("taxes") if not d.included_in_print_rate)
 | |
| 
 | |
| 			diff = self.doc.total + non_inclusive_tax_amount \
 | |
| 				- flt(last_tax.total, last_tax.precision("total"))
 | |
| 
 | |
| 			# If discount amount applied, deduct the discount amount
 | |
| 			# because self.doc.total is always without discount, but last_tax.total is after discount
 | |
| 			if self.discount_amount_applied and self.doc.discount_amount:
 | |
| 				diff -= flt(self.doc.discount_amount)
 | |
| 
 | |
| 			diff = flt(diff, self.doc.precision("rounding_adjustment"))
 | |
| 
 | |
| 			if diff and abs(diff) <= (5.0 / 10**last_tax.precision("tax_amount")):
 | |
| 				self.doc.rounding_adjustment = diff
 | |
| 
 | |
| 	def calculate_totals(self):
 | |
| 		if self.doc.get("taxes"):
 | |
| 			self.doc.grand_total = flt(self.doc.get("taxes")[-1].total) + flt(self.doc.rounding_adjustment)
 | |
| 		else:
 | |
| 			self.doc.grand_total = flt(self.doc.net_total)
 | |
| 
 | |
| 		if self.doc.get("taxes"):
 | |
| 			self.doc.total_taxes_and_charges = flt(self.doc.grand_total - self.doc.net_total
 | |
| 			- flt(self.doc.rounding_adjustment), self.doc.precision("total_taxes_and_charges"))
 | |
| 		else:
 | |
| 			self.doc.total_taxes_and_charges = 0.0
 | |
| 
 | |
| 		self._set_in_company_currency(self.doc, ["total_taxes_and_charges", "rounding_adjustment"])
 | |
| 
 | |
| 		if self.doc.doctype in ["Quotation", "Sales Order", "Delivery Note", "Sales Invoice", "POS Invoice"]:
 | |
| 			self.doc.base_grand_total = flt(self.doc.grand_total * self.doc.conversion_rate, self.doc.precision("base_grand_total")) \
 | |
| 				if self.doc.total_taxes_and_charges else self.doc.base_net_total
 | |
| 		else:
 | |
| 			self.doc.taxes_and_charges_added = self.doc.taxes_and_charges_deducted = 0.0
 | |
| 			for tax in self.doc.get("taxes"):
 | |
| 				if tax.category in ["Valuation and Total", "Total"]:
 | |
| 					if tax.add_deduct_tax == "Add":
 | |
| 						self.doc.taxes_and_charges_added += flt(tax.tax_amount_after_discount_amount)
 | |
| 					else:
 | |
| 						self.doc.taxes_and_charges_deducted += flt(tax.tax_amount_after_discount_amount)
 | |
| 
 | |
| 			self.doc.round_floats_in(self.doc, ["taxes_and_charges_added", "taxes_and_charges_deducted"])
 | |
| 
 | |
| 			self.doc.base_grand_total = flt(self.doc.grand_total * self.doc.conversion_rate) \
 | |
| 				if (self.doc.taxes_and_charges_added or self.doc.taxes_and_charges_deducted) \
 | |
| 				else self.doc.base_net_total
 | |
| 
 | |
| 			self._set_in_company_currency(self.doc,
 | |
| 				["taxes_and_charges_added", "taxes_and_charges_deducted"])
 | |
| 
 | |
| 		self.doc.round_floats_in(self.doc, ["grand_total", "base_grand_total"])
 | |
| 
 | |
| 		self.set_rounded_total()
 | |
| 
 | |
| 	def calculate_total_net_weight(self):
 | |
| 		if self.doc.meta.get_field('total_net_weight'):
 | |
| 			self.doc.total_net_weight = 0.0
 | |
| 			for d in self.doc.items:
 | |
| 				if d.total_weight:
 | |
| 					self.doc.total_net_weight += d.total_weight
 | |
| 
 | |
| 	def set_rounded_total(self):
 | |
| 		if not self.doc.get('is_consolidated'):
 | |
| 			if self.doc.meta.get_field("rounded_total"):
 | |
| 				if self.doc.is_rounded_total_disabled():
 | |
| 					self.doc.rounded_total = self.doc.base_rounded_total = 0
 | |
| 					return
 | |
| 
 | |
| 				self.doc.rounded_total = round_based_on_smallest_currency_fraction(self.doc.grand_total,
 | |
| 					self.doc.currency, self.doc.precision("rounded_total"))
 | |
| 
 | |
| 				#if print_in_rate is set, we would have already calculated rounding adjustment
 | |
| 				self.doc.rounding_adjustment += flt(self.doc.rounded_total - self.doc.grand_total,
 | |
| 					self.doc.precision("rounding_adjustment"))
 | |
| 
 | |
| 				self._set_in_company_currency(self.doc, ["rounding_adjustment", "rounded_total"])
 | |
| 
 | |
| 	def _cleanup(self):
 | |
| 		if not self.doc.get('is_consolidated'):
 | |
| 			for tax in self.doc.get("taxes"):
 | |
| 				if not tax.get("dont_recompute_tax"):
 | |
| 					tax.item_wise_tax_detail = json.dumps(tax.item_wise_tax_detail, separators=(',', ':'))
 | |
| 
 | |
| 	def set_discount_amount(self):
 | |
| 		if self.doc.additional_discount_percentage:
 | |
| 			self.doc.discount_amount = flt(flt(self.doc.get(scrub(self.doc.apply_discount_on)))
 | |
| 				* self.doc.additional_discount_percentage / 100, self.doc.precision("discount_amount"))
 | |
| 
 | |
| 	def apply_discount_amount(self):
 | |
| 		if self.doc.discount_amount:
 | |
| 			if not self.doc.apply_discount_on:
 | |
| 				frappe.throw(_("Please select Apply Discount On"))
 | |
| 
 | |
| 			self.doc.base_discount_amount = flt(self.doc.discount_amount * self.doc.conversion_rate,
 | |
| 				self.doc.precision("base_discount_amount"))
 | |
| 
 | |
| 			total_for_discount_amount = self.get_total_for_discount_amount()
 | |
| 			taxes = self.doc.get("taxes")
 | |
| 			net_total = 0
 | |
| 
 | |
| 			if total_for_discount_amount:
 | |
| 				# calculate item amount after Discount Amount
 | |
| 				for i, item in enumerate(self.doc.get("items")):
 | |
| 					distributed_amount = flt(self.doc.discount_amount) * \
 | |
| 						item.net_amount / total_for_discount_amount
 | |
| 
 | |
| 					item.net_amount = flt(item.net_amount - distributed_amount, item.precision("net_amount"))
 | |
| 					net_total += item.net_amount
 | |
| 
 | |
| 					# discount amount rounding loss adjustment if no taxes
 | |
| 					if (self.doc.apply_discount_on == "Net Total" or not taxes or total_for_discount_amount==self.doc.net_total) \
 | |
| 						and i == len(self.doc.get("items")) - 1:
 | |
| 							discount_amount_loss = flt(self.doc.net_total - net_total - self.doc.discount_amount,
 | |
| 								self.doc.precision("net_total"))
 | |
| 
 | |
| 							item.net_amount = flt(item.net_amount + discount_amount_loss,
 | |
| 								item.precision("net_amount"))
 | |
| 
 | |
| 					item.net_rate = flt(item.net_amount / item.qty, item.precision("net_rate")) if item.qty else 0
 | |
| 
 | |
| 					self._set_in_company_currency(item, ["net_rate", "net_amount"])
 | |
| 
 | |
| 				self.discount_amount_applied = True
 | |
| 				self._calculate()
 | |
| 		else:
 | |
| 			self.doc.base_discount_amount = 0
 | |
| 
 | |
| 	def get_total_for_discount_amount(self):
 | |
| 		if self.doc.apply_discount_on == "Net Total":
 | |
| 			return self.doc.net_total
 | |
| 		else:
 | |
| 			actual_taxes_dict = {}
 | |
| 
 | |
| 			for tax in self.doc.get("taxes"):
 | |
| 				if tax.charge_type in ["Actual", "On Item Quantity"]:
 | |
| 					tax_amount = self.get_tax_amount_if_for_valuation_or_deduction(tax.tax_amount, tax)
 | |
| 					actual_taxes_dict.setdefault(tax.idx, tax_amount)
 | |
| 				elif tax.row_id in actual_taxes_dict:
 | |
| 					actual_tax_amount = flt(actual_taxes_dict.get(tax.row_id, 0)) * flt(tax.rate) / 100
 | |
| 					actual_taxes_dict.setdefault(tax.idx, actual_tax_amount)
 | |
| 
 | |
| 			return flt(self.doc.grand_total - sum(actual_taxes_dict.values()),
 | |
| 				self.doc.precision("grand_total"))
 | |
| 
 | |
| 
 | |
| 	def calculate_total_advance(self):
 | |
| 		if self.doc.docstatus < 2:
 | |
| 			total_allocated_amount = sum(flt(adv.allocated_amount, adv.precision("allocated_amount"))
 | |
| 				for adv in self.doc.get("advances"))
 | |
| 
 | |
| 			self.doc.total_advance = flt(total_allocated_amount, self.doc.precision("total_advance"))
 | |
| 
 | |
| 			grand_total = self.doc.rounded_total or self.doc.grand_total
 | |
| 
 | |
| 			if self.doc.party_account_currency == self.doc.currency:
 | |
| 				invoice_total = flt(grand_total - flt(self.doc.write_off_amount),
 | |
| 					self.doc.precision("grand_total"))
 | |
| 			else:
 | |
| 				base_write_off_amount = flt(flt(self.doc.write_off_amount) * self.doc.conversion_rate,
 | |
| 					self.doc.precision("base_write_off_amount"))
 | |
| 				invoice_total = flt(grand_total * self.doc.conversion_rate,
 | |
| 					self.doc.precision("grand_total")) - base_write_off_amount
 | |
| 
 | |
| 			if invoice_total > 0 and self.doc.total_advance > invoice_total:
 | |
| 				frappe.throw(_("Advance amount cannot be greater than {0} {1}")
 | |
| 					.format(self.doc.party_account_currency, invoice_total))
 | |
| 
 | |
| 			if self.doc.docstatus == 0:
 | |
| 				self.calculate_outstanding_amount()
 | |
| 
 | |
| 	def is_internal_invoice(self):
 | |
| 		"""
 | |
| 			Checks if its an internal transfer invoice
 | |
| 			and decides if to calculate any out standing amount or not
 | |
| 		"""
 | |
| 
 | |
| 		if self.doc.doctype in ('Sales Invoice', 'Purchase Invoice') and self.doc.is_internal_transfer():
 | |
| 			return True
 | |
| 
 | |
| 		return False
 | |
| 
 | |
| 	def calculate_outstanding_amount(self):
 | |
| 		# NOTE:
 | |
| 		# write_off_amount is only for POS Invoice
 | |
| 		# total_advance is only for non POS Invoice
 | |
| 		if self.doc.doctype == "Sales Invoice":
 | |
| 			self.calculate_paid_amount()
 | |
| 
 | |
| 		if self.doc.is_return and self.doc.return_against and not self.doc.get('is_pos') or \
 | |
| 			self.is_internal_invoice(): return
 | |
| 
 | |
| 		self.doc.round_floats_in(self.doc, ["grand_total", "total_advance", "write_off_amount"])
 | |
| 		self._set_in_company_currency(self.doc, ['write_off_amount'])
 | |
| 
 | |
| 		if self.doc.doctype in ["Sales Invoice", "Purchase Invoice"]:
 | |
| 			grand_total = self.doc.rounded_total or self.doc.grand_total
 | |
| 			base_grand_total = self.doc.base_rounded_total or self.doc.base_grand_total
 | |
| 
 | |
| 			if self.doc.party_account_currency == self.doc.currency:
 | |
| 				total_amount_to_pay = flt(grand_total - self.doc.total_advance
 | |
| 					- flt(self.doc.write_off_amount), self.doc.precision("grand_total"))
 | |
| 			else:
 | |
| 				total_amount_to_pay = flt(flt(base_grand_total, self.doc.precision("base_grand_total")) - self.doc.total_advance
 | |
| 						- flt(self.doc.base_write_off_amount), self.doc.precision("base_grand_total"))
 | |
| 
 | |
| 			self.doc.round_floats_in(self.doc, ["paid_amount"])
 | |
| 			change_amount = 0
 | |
| 
 | |
| 			if self.doc.doctype == "Sales Invoice" and not self.doc.get('is_return'):
 | |
| 				self.calculate_write_off_amount()
 | |
| 				self.calculate_change_amount()
 | |
| 				change_amount = self.doc.change_amount \
 | |
| 					if self.doc.party_account_currency == self.doc.currency else self.doc.base_change_amount
 | |
| 
 | |
| 			paid_amount = self.doc.paid_amount \
 | |
| 				if self.doc.party_account_currency == self.doc.currency else self.doc.base_paid_amount
 | |
| 
 | |
| 			self.doc.outstanding_amount = flt(total_amount_to_pay - flt(paid_amount) + flt(change_amount),
 | |
| 				self.doc.precision("outstanding_amount"))
 | |
| 
 | |
| 			if self.doc.doctype == 'Sales Invoice' and self.doc.get('is_pos') and self.doc.get('is_return'):
 | |
| 				self.set_total_amount_to_default_mop(total_amount_to_pay)
 | |
| 				self.calculate_paid_amount()
 | |
| 
 | |
| 	def calculate_paid_amount(self):
 | |
| 
 | |
| 		paid_amount = base_paid_amount = 0.0
 | |
| 
 | |
| 		if self.doc.is_pos:
 | |
| 			for payment in self.doc.get('payments'):
 | |
| 				payment.amount = flt(payment.amount)
 | |
| 				payment.base_amount = payment.amount * flt(self.doc.conversion_rate)
 | |
| 				paid_amount += payment.amount
 | |
| 				base_paid_amount += payment.base_amount
 | |
| 		elif not self.doc.is_return:
 | |
| 			self.doc.set('payments', [])
 | |
| 
 | |
| 		if self.doc.redeem_loyalty_points and self.doc.loyalty_amount:
 | |
| 			base_paid_amount += self.doc.loyalty_amount
 | |
| 			paid_amount += (self.doc.loyalty_amount / flt(self.doc.conversion_rate))
 | |
| 
 | |
| 		self.doc.paid_amount = flt(paid_amount, self.doc.precision("paid_amount"))
 | |
| 		self.doc.base_paid_amount = flt(base_paid_amount, self.doc.precision("base_paid_amount"))
 | |
| 
 | |
| 	def calculate_change_amount(self):
 | |
| 		self.doc.change_amount = 0.0
 | |
| 		self.doc.base_change_amount = 0.0
 | |
| 
 | |
| 		if self.doc.doctype == "Sales Invoice" \
 | |
| 			and self.doc.paid_amount > self.doc.grand_total and not self.doc.is_return \
 | |
| 			and any(d.type == "Cash" for d in self.doc.payments):
 | |
| 			grand_total = self.doc.rounded_total or self.doc.grand_total
 | |
| 			base_grand_total = self.doc.base_rounded_total or self.doc.base_grand_total
 | |
| 
 | |
| 			self.doc.change_amount = flt(self.doc.paid_amount - grand_total +
 | |
| 				self.doc.write_off_amount, self.doc.precision("change_amount"))
 | |
| 
 | |
| 			self.doc.base_change_amount = flt(self.doc.base_paid_amount - base_grand_total +
 | |
| 				self.doc.base_write_off_amount, self.doc.precision("base_change_amount"))
 | |
| 
 | |
| 	def calculate_write_off_amount(self):
 | |
| 		if flt(self.doc.change_amount) > 0:
 | |
| 			self.doc.write_off_amount = flt(self.doc.grand_total - self.doc.paid_amount
 | |
| 				+ self.doc.change_amount, self.doc.precision("write_off_amount"))
 | |
| 			self.doc.base_write_off_amount = flt(self.doc.write_off_amount * self.doc.conversion_rate,
 | |
| 				self.doc.precision("base_write_off_amount"))
 | |
| 
 | |
| 	def calculate_margin(self, item):
 | |
| 		rate_with_margin = 0.0
 | |
| 		base_rate_with_margin = 0.0
 | |
| 		if item.price_list_rate:
 | |
| 			if item.pricing_rules and not self.doc.ignore_pricing_rule:
 | |
| 				has_margin = False
 | |
| 				for d in get_applied_pricing_rules(item.pricing_rules):
 | |
| 					pricing_rule = frappe.get_cached_doc('Pricing Rule', d)
 | |
| 
 | |
| 					if pricing_rule.margin_rate_or_amount and ((pricing_rule.currency == self.doc.currency and
 | |
| 						pricing_rule.margin_type in ['Amount', 'Percentage']) or pricing_rule.margin_type == 'Percentage'):
 | |
| 						item.margin_type = pricing_rule.margin_type
 | |
| 						item.margin_rate_or_amount = pricing_rule.margin_rate_or_amount
 | |
| 						has_margin = True
 | |
| 
 | |
| 				if not has_margin:
 | |
| 					item.margin_type = None
 | |
| 					item.margin_rate_or_amount = 0.0
 | |
| 
 | |
| 			if not item.pricing_rules and flt(item.rate) > flt(item.price_list_rate):
 | |
| 				item.margin_type = "Amount"
 | |
| 				item.margin_rate_or_amount = flt(item.rate - item.price_list_rate,
 | |
| 						item.precision("margin_rate_or_amount"))
 | |
| 				item.rate_with_margin = item.rate
 | |
| 
 | |
| 			elif item.margin_type and item.margin_rate_or_amount:
 | |
| 				margin_value = item.margin_rate_or_amount if item.margin_type == 'Amount' else flt(item.price_list_rate) * flt(item.margin_rate_or_amount) / 100
 | |
| 				rate_with_margin = flt(item.price_list_rate) + flt(margin_value)
 | |
| 				base_rate_with_margin = flt(rate_with_margin) * flt(self.doc.conversion_rate)
 | |
| 
 | |
| 		return rate_with_margin, base_rate_with_margin
 | |
| 
 | |
| 	def set_item_wise_tax_breakup(self):
 | |
| 		self.doc.other_charges_calculation = get_itemised_tax_breakup_html(self.doc)
 | |
| 
 | |
| 	def set_total_amount_to_default_mop(self, total_amount_to_pay):
 | |
| 		default_mode_of_payment = frappe.db.get_value('POS Payment Method',
 | |
| 			{'parent': self.doc.pos_profile, 'default': 1}, ['mode_of_payment'], as_dict=1)
 | |
| 
 | |
| 		if default_mode_of_payment:
 | |
| 			self.doc.payments = []
 | |
| 			self.doc.append('payments', {
 | |
| 				'mode_of_payment': default_mode_of_payment.mode_of_payment,
 | |
| 				'amount': total_amount_to_pay,
 | |
| 				'default': 1
 | |
| 			})
 | |
| 
 | |
| def get_itemised_tax_breakup_html(doc):
 | |
| 	if not doc.taxes:
 | |
| 		return
 | |
| 	frappe.flags.company = doc.company
 | |
| 
 | |
| 	# get headers
 | |
| 	tax_accounts = []
 | |
| 	for tax in doc.taxes:
 | |
| 		if getattr(tax, "category", None) and tax.category=="Valuation":
 | |
| 			continue
 | |
| 		if tax.description not in tax_accounts:
 | |
| 			tax_accounts.append(tax.description)
 | |
| 
 | |
| 	headers = get_itemised_tax_breakup_header(doc.doctype + " Item", tax_accounts)
 | |
| 
 | |
| 	# get tax breakup data
 | |
| 	itemised_tax, itemised_taxable_amount = get_itemised_tax_breakup_data(doc)
 | |
| 
 | |
| 	get_rounded_tax_amount(itemised_tax, doc.precision("tax_amount", "taxes"))
 | |
| 
 | |
| 	update_itemised_tax_data(doc)
 | |
| 	frappe.flags.company = None
 | |
| 
 | |
| 	return frappe.render_template(
 | |
| 		"templates/includes/itemised_tax_breakup.html", dict(
 | |
| 			headers=headers,
 | |
| 			itemised_tax=itemised_tax,
 | |
| 			itemised_taxable_amount=itemised_taxable_amount,
 | |
| 			tax_accounts=tax_accounts,
 | |
| 			doc=doc
 | |
| 		)
 | |
| 	)
 | |
| 
 | |
| @frappe.whitelist()
 | |
| def get_round_off_applicable_accounts(company, account_list):
 | |
| 	account_list = get_regional_round_off_accounts(company, account_list)
 | |
| 
 | |
| 	return account_list
 | |
| 
 | |
| @erpnext.allow_regional
 | |
| def get_regional_round_off_accounts(company, account_list):
 | |
| 	pass
 | |
| 
 | |
| @erpnext.allow_regional
 | |
| def update_itemised_tax_data(doc):
 | |
| 	#Don't delete this method, used for localization
 | |
| 	pass
 | |
| 
 | |
| @erpnext.allow_regional
 | |
| def get_itemised_tax_breakup_header(item_doctype, tax_accounts):
 | |
| 	return [_("Item"), _("Taxable Amount")] + tax_accounts
 | |
| 
 | |
| @erpnext.allow_regional
 | |
| def get_itemised_tax_breakup_data(doc):
 | |
| 	itemised_tax = get_itemised_tax(doc.taxes)
 | |
| 
 | |
| 	itemised_taxable_amount = get_itemised_taxable_amount(doc.items)
 | |
| 
 | |
| 	return itemised_tax, itemised_taxable_amount
 | |
| 
 | |
| def get_itemised_tax(taxes, with_tax_account=False):
 | |
| 	itemised_tax = {}
 | |
| 	for tax in taxes:
 | |
| 		if getattr(tax, "category", None) and tax.category=="Valuation":
 | |
| 			continue
 | |
| 
 | |
| 		item_tax_map = json.loads(tax.item_wise_tax_detail) if tax.item_wise_tax_detail else {}
 | |
| 		if item_tax_map:
 | |
| 			for item_code, tax_data in item_tax_map.items():
 | |
| 				itemised_tax.setdefault(item_code, frappe._dict())
 | |
| 
 | |
| 				tax_rate = 0.0
 | |
| 				tax_amount = 0.0
 | |
| 
 | |
| 				if isinstance(tax_data, list):
 | |
| 					tax_rate = flt(tax_data[0])
 | |
| 					tax_amount = flt(tax_data[1])
 | |
| 				else:
 | |
| 					tax_rate = flt(tax_data)
 | |
| 
 | |
| 				itemised_tax[item_code][tax.description] = frappe._dict(dict(
 | |
| 					tax_rate = tax_rate,
 | |
| 					tax_amount = tax_amount
 | |
| 				))
 | |
| 
 | |
| 				if with_tax_account:
 | |
| 					itemised_tax[item_code][tax.description].tax_account = tax.account_head
 | |
| 
 | |
| 	return itemised_tax
 | |
| 
 | |
| def get_itemised_taxable_amount(items):
 | |
| 	itemised_taxable_amount = frappe._dict()
 | |
| 	for item in items:
 | |
| 		item_code = item.item_code or item.item_name
 | |
| 		itemised_taxable_amount.setdefault(item_code, 0)
 | |
| 		itemised_taxable_amount[item_code] += item.net_amount
 | |
| 
 | |
| 	return itemised_taxable_amount
 | |
| 
 | |
| def get_rounded_tax_amount(itemised_tax, precision):
 | |
| 	# Rounding based on tax_amount precision
 | |
| 	for taxes in itemised_tax.values():
 | |
| 		for tax_account in taxes:
 | |
| 			taxes[tax_account]["tax_amount"] = flt(taxes[tax_account]["tax_amount"], precision)
 | |
| 
 | |
| class init_landed_taxes_and_totals(object):
 | |
| 	def __init__(self, doc):
 | |
| 		self.doc = doc
 | |
| 		self.tax_field = 'taxes' if self.doc.doctype == 'Landed Cost Voucher' else 'additional_costs'
 | |
| 		self.set_account_currency()
 | |
| 		self.set_exchange_rate()
 | |
| 		self.set_amounts_in_company_currency()
 | |
| 
 | |
| 	def set_account_currency(self):
 | |
| 		company_currency = erpnext.get_company_currency(self.doc.company)
 | |
| 		for d in self.doc.get(self.tax_field):
 | |
| 			if not d.account_currency:
 | |
| 				account_currency = frappe.db.get_value('Account', d.expense_account, 'account_currency')
 | |
| 				d.account_currency = account_currency or company_currency
 | |
| 
 | |
| 	def set_exchange_rate(self):
 | |
| 		company_currency = erpnext.get_company_currency(self.doc.company)
 | |
| 		for d in self.doc.get(self.tax_field):
 | |
| 			if d.account_currency == company_currency:
 | |
| 				d.exchange_rate = 1
 | |
| 			elif not d.exchange_rate:
 | |
| 				d.exchange_rate = get_exchange_rate(self.doc.posting_date, account=d.expense_account,
 | |
| 					account_currency=d.account_currency, company=self.doc.company)
 | |
| 
 | |
| 			if not d.exchange_rate:
 | |
| 				frappe.throw(_("Row {0}: Exchange Rate is mandatory").format(d.idx))
 | |
| 
 | |
| 	def set_amounts_in_company_currency(self):
 | |
| 		for d in self.doc.get(self.tax_field):
 | |
| 			d.amount = flt(d.amount, d.precision("amount"))
 | |
| 			d.base_amount = flt(d.amount * flt(d.exchange_rate), d.precision("base_amount"))
 |