# Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors # License: GNU General Public License v3. See license.txt import json import frappe from frappe import _, scrub from frappe.model.document import Document from frappe.utils import cint, flt, round_based_on_smallest_currency_fraction import erpnext from erpnext.accounts.doctype.journal_entry.journal_entry import get_exchange_rate from erpnext.accounts.doctype.pricing_rule.utils import get_applied_pricing_rules from erpnext.controllers.accounts_controller import ( validate_conversion_rate, validate_inclusive_tax, validate_taxes_and_charges, ) from erpnext.stock.get_item_details import _get_item_tax_template class calculate_taxes_and_totals(object): def __init__(self, doc: Document): self.doc = doc frappe.flags.round_off_applicable_accounts = [] self._items = self.filter_rows() if self.doc.doctype == "Quotation" else self.doc.get("items") get_round_off_applicable_accounts(self.doc.company, frappe.flags.round_off_applicable_accounts) self.calculate() def filter_rows(self): """Exclude rows, that do not fulfill the filter criteria, from totals computation.""" items = list(filter(lambda item: not item.get("is_alternative"), self.doc.get("items"))) return items def calculate(self): if not len(self._items): return self.discount_amount_applied = False self._calculate() if self.doc.meta.get_field("discount_amount"): self.set_discount_amount() self.apply_discount_amount() # Update grand total as per cash and non trade discount if self.doc.apply_discount_on == "Grand Total" and self.doc.get("is_cash_or_non_trade_discount"): self.doc.grand_total -= self.doc.discount_amount self.doc.base_grand_total -= self.doc.base_discount_amount self.set_rounded_total() self.calculate_shipping_charges() if self.doc.doctype in ["Sales Invoice", "Purchase Invoice"]: self.calculate_total_advance() if self.doc.meta.get_field("other_charges_calculation"): self.set_item_wise_tax_breakup() def _calculate(self): self.validate_conversion_rate() self.calculate_item_values() self.validate_item_tax_template() self.initialize_taxes() self.determine_exclusive_rate() self.calculate_net_total() self.calculate_tax_withholding_net_total() self.calculate_taxes() self.manipulate_grand_total_for_inclusive_tax() self.calculate_totals() self._cleanup() self.calculate_total_net_weight() def calculate_tax_withholding_net_total(self): if hasattr(self.doc, "tax_withholding_net_total"): sum_net_amount = 0 sum_base_net_amount = 0 for item in self._items: if hasattr(item, "apply_tds") and item.apply_tds: sum_net_amount += item.net_amount sum_base_net_amount += item.base_net_amount self.doc.tax_withholding_net_total = sum_net_amount self.doc.base_tax_withholding_net_total = sum_base_net_amount def validate_item_tax_template(self): for item in self._items: if item.item_code and item.get("item_tax_template"): item_doc = frappe.get_cached_doc("Item", item.item_code) args = { "net_rate": item.net_rate or item.rate, "tax_category": self.doc.get("tax_category"), "posting_date": self.doc.get("posting_date"), "bill_date": self.doc.get("bill_date"), "transaction_date": self.doc.get("transaction_date"), "company": self.doc.get("company"), } item_group = item_doc.item_group item_group_taxes = [] while item_group: item_group_doc = frappe.get_cached_doc("Item Group", item_group) item_group_taxes += item_group_doc.taxes or [] item_group = item_group_doc.parent_item_group item_taxes = item_doc.taxes or [] if not item_group_taxes and (not item_taxes): # No validation if no taxes in item or item group continue taxes = _get_item_tax_template(args, item_taxes + item_group_taxes, for_validate=True) if taxes: if item.item_tax_template not in taxes: item.item_tax_template = taxes[0] frappe.msgprint( _("Row {0}: Item Tax template updated as per validity and rate applied").format( item.idx, frappe.bold(item.item_code) ) ) def validate_conversion_rate(self): # validate conversion rate company_currency = erpnext.get_company_currency(self.doc.company) if not self.doc.currency or self.doc.currency == company_currency: self.doc.currency = company_currency self.doc.conversion_rate = 1.0 else: validate_conversion_rate( self.doc.currency, self.doc.conversion_rate, self.doc.meta.get_label("conversion_rate"), self.doc.company, ) self.doc.conversion_rate = flt(self.doc.conversion_rate) def calculate_item_values(self): if self.doc.get("is_consolidated"): return if not self.discount_amount_applied: for item in self._items: self.doc.round_floats_in(item) if item.discount_percentage == 100: item.rate = 0.0 elif item.price_list_rate: if not item.rate or (item.pricing_rules and item.discount_percentage > 0): item.rate = flt( item.price_list_rate * (1.0 - (item.discount_percentage / 100.0)), item.precision("rate") ) item.discount_amount = item.price_list_rate * (item.discount_percentage / 100.0) elif item.discount_amount and item.pricing_rules: item.rate = item.price_list_rate - item.discount_amount 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", ]: item.rate_with_margin, item.base_rate_with_margin = self.calculate_margin(item) if flt(item.rate_with_margin) > 0: item.rate = flt( item.rate_with_margin * (1.0 - (item.discount_percentage / 100.0)), item.precision("rate") ) if item.discount_amount and not item.discount_percentage: item.rate = item.rate_with_margin - item.discount_amount else: item.discount_amount = item.rate_with_margin - item.rate elif flt(item.price_list_rate) > 0: item.discount_amount = item.price_list_rate - item.rate elif flt(item.price_list_rate) > 0 and not item.discount_amount: item.discount_amount = item.price_list_rate - item.rate item.net_rate = item.rate if not item.qty and self.doc.get("is_return"): item.amount = flt(-1 * item.rate, item.precision("amount")) elif not item.qty and self.doc.get("is_debit_note"): item.amount = flt(item.rate, item.precision("amount")) else: item.amount = flt(item.rate * item.qty, item.precision("amount")) item.net_amount = item.amount self._set_in_company_currency( item, ["price_list_rate", "rate", "net_rate", "amount", "net_amount"] ) item.item_tax_amount = 0.0 def _set_in_company_currency(self, doc, fields): """set values in base currency""" for f in fields: val = flt( flt(doc.get(f), doc.precision(f)) * self.doc.conversion_rate, doc.precision("base_" + f) ) doc.set("base_" + f, val) def initialize_taxes(self): for tax in self.doc.get("taxes"): if not self.discount_amount_applied: validate_taxes_and_charges(tax) validate_inclusive_tax(tax, self.doc) if not (self.doc.get("is_consolidated") or tax.get("dont_recompute_tax")): tax.item_wise_tax_detail = {} tax_fields = [ "total", "tax_amount_after_discount_amount", "tax_amount_for_current_item", "grand_total_for_current_item", "tax_fraction_for_current_item", "grand_total_fraction_for_current_item", ] if tax.charge_type != "Actual" and not ( self.discount_amount_applied and self.doc.apply_discount_on == "Grand Total" ): tax_fields.append("tax_amount") for fieldname in tax_fields: tax.set(fieldname, 0.0) self.doc.round_floats_in(tax) def determine_exclusive_rate(self): if not any(cint(tax.included_in_print_rate) for tax in self.doc.get("taxes")): return for item in self._items: item_tax_map = self._load_item_tax_rate(item.item_tax_rate) cumulated_tax_fraction = 0 total_inclusive_tax_amount_per_qty = 0 for i, tax in enumerate(self.doc.get("taxes")): ( tax.tax_fraction_for_current_item, inclusive_tax_amount_per_qty, ) = self.get_current_tax_fraction(tax, item_tax_map) if i == 0: tax.grand_total_fraction_for_current_item = 1 + tax.tax_fraction_for_current_item else: tax.grand_total_fraction_for_current_item = ( self.doc.get("taxes")[i - 1].grand_total_fraction_for_current_item + tax.tax_fraction_for_current_item ) cumulated_tax_fraction += tax.tax_fraction_for_current_item total_inclusive_tax_amount_per_qty += inclusive_tax_amount_per_qty * flt(item.qty) if ( not self.discount_amount_applied and item.qty and (cumulated_tax_fraction or total_inclusive_tax_amount_per_qty) ): amount = flt(item.amount) - total_inclusive_tax_amount_per_qty item.net_amount = flt(amount / (1 + cumulated_tax_fraction)) item.net_rate = flt(item.net_amount / item.qty, item.precision("net_rate")) item.discount_percentage = flt(item.discount_percentage, item.precision("discount_percentage")) self._set_in_company_currency(item, ["net_rate", "net_amount"]) def _load_item_tax_rate(self, item_tax_rate): return json.loads(item_tax_rate) if item_tax_rate else {} def get_current_tax_fraction(self, tax, item_tax_map): """ Get tax fraction for calculating tax exclusive amount from tax inclusive amount """ current_tax_fraction = 0 inclusive_tax_amount_per_qty = 0 if cint(tax.included_in_print_rate): tax_rate = self._get_tax_rate(tax, item_tax_map) if tax.charge_type == "On Net Total": current_tax_fraction = tax_rate / 100.0 elif tax.charge_type == "On Previous Row Amount": current_tax_fraction = (tax_rate / 100.0) * self.doc.get("taxes")[ cint(tax.row_id) - 1 ].tax_fraction_for_current_item elif tax.charge_type == "On Previous Row Total": current_tax_fraction = (tax_rate / 100.0) * self.doc.get("taxes")[ cint(tax.row_id) - 1 ].grand_total_fraction_for_current_item elif tax.charge_type == "On Item Quantity": inclusive_tax_amount_per_qty = flt(tax_rate) if getattr(tax, "add_deduct_tax", None) and tax.add_deduct_tax == "Deduct": current_tax_fraction *= -1.0 inclusive_tax_amount_per_qty *= -1.0 return current_tax_fraction, inclusive_tax_amount_per_qty def _get_tax_rate(self, tax, item_tax_map): if tax.account_head in item_tax_map: return flt(item_tax_map.get(tax.account_head), self.doc.precision("rate", tax)) else: return tax.rate def calculate_net_total(self): self.doc.total_qty = ( self.doc.total ) = self.doc.base_total = self.doc.net_total = self.doc.base_net_total = 0.0 for item in self._items: self.doc.total += item.amount self.doc.total_qty += item.qty self.doc.base_total += item.base_amount self.doc.net_total += item.net_amount self.doc.base_net_total += item.base_net_amount self.doc.round_floats_in(self.doc, ["total", "base_total", "net_total", "base_net_total"]) def calculate_shipping_charges(self): # Do not apply shipping rule for POS if self.doc.get("is_pos"): return if hasattr(self.doc, "shipping_rule") and self.doc.shipping_rule: shipping_rule = frappe.get_doc("Shipping Rule", self.doc.shipping_rule) shipping_rule.apply(self.doc) self._calculate() def calculate_taxes(self): rounding_adjustment_computed = self.doc.get("is_consolidated") and self.doc.get( "rounding_adjustment" ) if not rounding_adjustment_computed: self.doc.rounding_adjustment = 0 # maintain actual tax rate based on idx actual_tax_dict = dict( [ [tax.idx, flt(tax.tax_amount, tax.precision("tax_amount"))] for tax in self.doc.get("taxes") if tax.charge_type == "Actual" ] ) for n, item in enumerate(self._items): item_tax_map = self._load_item_tax_rate(item.item_tax_rate) for i, tax in enumerate(self.doc.get("taxes")): # tax_amount represents the amount of tax for the current step current_tax_amount = self.get_current_tax_amount(item, tax, item_tax_map) # Adjust divisional loss to the last item if tax.charge_type == "Actual": actual_tax_dict[tax.idx] -= current_tax_amount if n == len(self._items) - 1: current_tax_amount += actual_tax_dict[tax.idx] # accumulate tax amount into tax.tax_amount if tax.charge_type != "Actual" and not ( self.discount_amount_applied and self.doc.apply_discount_on == "Grand Total" ): tax.tax_amount += current_tax_amount # store tax_amount for current item as it will be used for # charge type = 'On Previous Row Amount' tax.tax_amount_for_current_item = current_tax_amount # set tax after discount tax.tax_amount_after_discount_amount += current_tax_amount current_tax_amount = self.get_tax_amount_if_for_valuation_or_deduction(current_tax_amount, tax) # note: grand_total_for_current_item contains the contribution of # item's amount, previously applied tax and the current tax on that item if i == 0: tax.grand_total_for_current_item = flt(item.net_amount + current_tax_amount) else: tax.grand_total_for_current_item = flt( self.doc.get("taxes")[i - 1].grand_total_for_current_item + current_tax_amount ) # set precision in the last item iteration if n == len(self._items) - 1: self.round_off_totals(tax) self._set_in_company_currency(tax, ["tax_amount", "tax_amount_after_discount_amount"]) self.round_off_base_values(tax) self.set_cumulative_total(i, tax) self._set_in_company_currency(tax, ["total"]) # adjust Discount Amount loss in last tax iteration if ( i == (len(self.doc.get("taxes")) - 1) and self.discount_amount_applied and self.doc.discount_amount and self.doc.apply_discount_on == "Grand Total" and not rounding_adjustment_computed ): self.doc.rounding_adjustment = flt( self.doc.grand_total - flt(self.doc.discount_amount) - tax.total, self.doc.precision("rounding_adjustment"), ) def get_tax_amount_if_for_valuation_or_deduction(self, tax_amount, tax): # if just for valuation, do not add the tax amount in total # if tax/charges is for deduction, multiply by -1 if getattr(tax, "category", None): tax_amount = 0.0 if (tax.category == "Valuation") else tax_amount if self.doc.doctype in [ "Purchase Order", "Purchase Invoice", "Purchase Receipt", "Supplier Quotation", ]: tax_amount *= -1.0 if (tax.add_deduct_tax == "Deduct") else 1.0 return tax_amount def set_cumulative_total(self, row_idx, tax): tax_amount = tax.tax_amount_after_discount_amount tax_amount = self.get_tax_amount_if_for_valuation_or_deduction(tax_amount, tax) if row_idx == 0: tax.total = flt(self.doc.net_total + tax_amount, tax.precision("total")) else: tax.total = flt(self.doc.get("taxes")[row_idx - 1].total + tax_amount, tax.precision("total")) def get_current_tax_amount(self, item, tax, item_tax_map): tax_rate = self._get_tax_rate(tax, item_tax_map) current_tax_amount = 0.0 if tax.charge_type == "Actual": # distribute the tax amount proportionally to each item row actual = flt(tax.tax_amount, tax.precision("tax_amount")) current_tax_amount = ( item.net_amount * actual / self.doc.net_total if self.doc.net_total else 0.0 ) elif tax.charge_type == "On Net Total": current_tax_amount = (tax_rate / 100.0) * item.net_amount elif tax.charge_type == "On Previous Row Amount": current_tax_amount = (tax_rate / 100.0) * self.doc.get("taxes")[ cint(tax.row_id) - 1 ].tax_amount_for_current_item elif tax.charge_type == "On Previous Row Total": current_tax_amount = (tax_rate / 100.0) * self.doc.get("taxes")[ cint(tax.row_id) - 1 ].grand_total_for_current_item elif tax.charge_type == "On Item Quantity": current_tax_amount = tax_rate * item.qty if not (self.doc.get("is_consolidated") or tax.get("dont_recompute_tax")): self.set_item_wise_tax(item, tax, tax_rate, current_tax_amount) return current_tax_amount def set_item_wise_tax(self, item, tax, tax_rate, current_tax_amount): # store tax breakup for each item key = item.item_code or item.item_name item_wise_tax_amount = current_tax_amount * self.doc.conversion_rate if tax.item_wise_tax_detail.get(key): item_wise_tax_amount += tax.item_wise_tax_detail[key][1] tax.item_wise_tax_detail[key] = [tax_rate, flt(item_wise_tax_amount)] 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._items: if d.total_weight: self.doc.total_net_weight += d.total_weight def set_rounded_total(self): if self.doc.get("is_consolidated") and self.doc.get("rounding_adjustment"): return 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") ) if self.doc.apply_discount_on == "Grand Total" and self.doc.get( "is_cash_or_non_trade_discount" ): self.discount_amount_applied = True return 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._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._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 not self.doc.docstatus.is_cancelled(): 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.is_draft(): if self.doc.get("write_off_outstanding_amount_automatically"): self.doc.write_off_amount = 0 self.calculate_outstanding_amount() self.calculate_write_off_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_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("pos_profile") and self.doc.get("is_consolidated") ): write_off_limit = flt( frappe.db.get_value("POS Profile", self.doc.pos_profile, "write_off_limit") ) if write_off_limit and abs(self.doc.outstanding_amount) <= write_off_limit: self.doc.write_off_outstanding_amount_automatically = 1 if ( self.doc.doctype == "Sales Invoice" and self.doc.get("is_pos") and self.doc.get("is_return") and not self.doc.get("is_consolidated") ): 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 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.doctype == "Sales Invoice" and self.doc.paid_amount > grand_total and not self.doc.is_return and any(d.type == "Cash" for d in self.doc.payments) ): self.doc.change_amount = flt( self.doc.paid_amount - grand_total, self.doc.precision("change_amount") ) self.doc.base_change_amount = flt( self.doc.base_paid_amount - base_grand_total, self.doc.precision("base_change_amount") ) def calculate_write_off_amount(self): if self.doc.get("write_off_outstanding_amount_automatically"): self.doc.write_off_amount = flt( self.doc.outstanding_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"), ) self.calculate_outstanding_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): total_paid_amount = 0 for payment in self.doc.get("payments"): total_paid_amount += ( payment.amount if self.doc.party_account_currency == self.doc.currency else payment.base_amount ) pending_amount = total_amount_to_pay - total_paid_amount if pending_amount > 0: 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": pending_amount, "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.get_cached_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"))