| # ERPNext - web based ERP (http://erpnext.com) |
| # Copyright (C) 2012 Web Notes Technologies Pvt Ltd |
| # |
| # This program is free software: you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License as published by |
| # the Free Software Foundation, either version 3 of the License, or |
| # (at your option) any later version. |
| # |
| # This program is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| |
| from __future__ import unicode_literals |
| import webnotes |
| from webnotes.utils import cint, flt, comma_or |
| from setup.utils import get_company_currency |
| from selling.utils import get_item_details |
| from webnotes import msgprint, _ |
| |
| from controllers.stock_controller import StockController |
| |
| class SellingController(StockController): |
| def onload_post_render(self): |
| self.set_price_list_currency("selling") |
| |
| # contact, address, item details and pos details (if applicable) |
| self.set_missing_values() |
| |
| self.set_taxes("Sales Taxes and Charges", "other_charges", "charge") |
| |
| def set_missing_values(self, for_validate=False): |
| # set contact and address details for customer, if they are not mentioned |
| if self.doc.customer and not (self.doc.contact_person and self.doc.customer_address): |
| for fieldname, val in self.get_default_address_and_contact("customer").items(): |
| if not self.doc.fields.get(fieldname) and self.meta.get_field(fieldname): |
| self.doc.fields[fieldname] = val |
| |
| self.set_missing_item_details(get_item_details) |
| |
| def get_other_charges(self): |
| self.doclist = self.doc.clear_table(self.doclist, "other_charges") |
| self.set_taxes("Sales Taxes and Charges", "other_charges", "charge") |
| |
| def set_customer_defaults(self): |
| self.get_default_customer_address() |
| |
| if self.meta.get_field("shipping_address"): |
| self.doc.fields.update(self.get_shipping_address(self.doc.customer)) |
| |
| def set_total_in_words(self): |
| from webnotes.utils import money_in_words |
| company_currency = get_company_currency(self.doc.company) |
| |
| disable_rounded_total = cint(webnotes.conn.get_value("Global Defaults", None, |
| "disable_rounded_total")) |
| |
| if self.meta.get_field("in_words"): |
| self.doc.in_words = money_in_words(disable_rounded_total and |
| self.doc.grand_total or self.doc.rounded_total, company_currency) |
| if self.meta.get_field("in_words_export"): |
| self.doc.in_words_export = money_in_words(disable_rounded_total and |
| self.doc.grand_total_export or self.doc.rounded_total_export, self.doc.currency) |
| |
| def set_buying_amount(self, stock_ledger_entries = None): |
| from stock.utils import get_buying_amount |
| if not stock_ledger_entries: |
| stock_ledger_entries = self.get_stock_ledger_entries() |
| |
| item_sales_bom = {} |
| for d in self.doclist.get({"parentfield": "packing_details"}): |
| new_d = webnotes._dict(d.fields.copy()) |
| new_d.total_qty = -1 * d.qty |
| item_sales_bom.setdefault(d.parent_item, []).append(new_d) |
| |
| if stock_ledger_entries: |
| for item in self.doclist.get({"parentfield": self.fname}): |
| if item.item_code in self.stock_items or \ |
| (item_sales_bom and item_sales_bom.get(item.item_code)): |
| buying_amount = get_buying_amount(item.item_code, item.warehouse, -1*item.qty, |
| self.doc.doctype, self.doc.name, item.name, stock_ledger_entries, |
| item_sales_bom) |
| |
| item.buying_amount = buying_amount >= 0.01 and buying_amount or 0 |
| webnotes.conn.set_value(item.doctype, item.name, "buying_amount", |
| item.buying_amount) |
| |
| def check_expense_account(self, item): |
| if item.buying_amount and not item.expense_account: |
| msgprint(_("""Expense account is mandatory for item: """) + item.item_code, |
| raise_exception=1) |
| |
| if item.buying_amount and not item.cost_center: |
| msgprint(_("""Cost Center is mandatory for item: """) + item.item_code, |
| raise_exception=1) |
| |
| def calculate_taxes_and_totals(self): |
| self.other_fname = "other_charges" |
| |
| super(SellingController, self).calculate_taxes_and_totals() |
| |
| self.calculate_total_advance("Sales Invoice", "advance_adjustment_details") |
| self.calculate_commission() |
| self.calculate_contribution() |
| |
| def determine_exclusive_rate(self): |
| if not any((cint(tax.included_in_print_rate) for tax in self.tax_doclist)): |
| # no inclusive tax |
| return |
| |
| for item in self.item_doclist: |
| item_tax_map = self._load_item_tax_rate(item.item_tax_rate) |
| cumulated_tax_fraction = 0 |
| for i, tax in enumerate(self.tax_doclist): |
| tax.tax_fraction_for_current_item = 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.tax_doclist[i-1].grand_total_fraction_for_current_item \ |
| + tax.tax_fraction_for_current_item |
| |
| cumulated_tax_fraction += tax.tax_fraction_for_current_item |
| |
| if cumulated_tax_fraction: |
| item.basic_rate = flt((item.export_rate * self.doc.conversion_rate) / |
| (1 + cumulated_tax_fraction), self.precision("basic_rate", item)) |
| |
| item.amount = flt(item.basic_rate * item.qty, self.precision("amount", item)) |
| |
| if item.adj_rate == 100: |
| item.base_ref_rate = item.basic_rate |
| item.basic_rate = 0.0 |
| else: |
| item.base_ref_rate = flt(item.basic_rate / (1 - (item.adj_rate / 100.0)), |
| self.precision("base_ref_rate", item)) |
| |
| 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 |
| |
| 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.tax_doclist[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.tax_doclist[cint(tax.row_id) - 1].grand_total_fraction_for_current_item |
| |
| return current_tax_fraction |
| |
| def calculate_item_values(self): |
| for item in self.item_doclist: |
| self.round_floats_in(item) |
| |
| if item.adj_rate == 100: |
| item.export_rate = 0 |
| elif item.ref_rate: |
| item.export_rate = flt(item.ref_rate * (1.0 - (item.adj_rate / 100.0)), |
| self.precision("export_rate", item)) |
| |
| item.export_amount = flt(item.export_rate * item.qty, |
| self.precision("export_amount", item)) |
| |
| self._set_in_company_currency(item, "ref_rate", "base_ref_rate") |
| self._set_in_company_currency(item, "export_rate", "basic_rate") |
| self._set_in_company_currency(item, "export_amount", "amount") |
| |
| def calculate_net_total(self): |
| self.doc.net_total = self.doc.net_total_export = 0.0 |
| |
| for item in self.item_doclist: |
| self.doc.net_total += item.amount |
| self.doc.net_total_export += item.export_amount |
| |
| self.round_floats_in(self.doc, ["net_total", "net_total_export"]) |
| |
| def calculate_totals(self): |
| self.doc.grand_total = flt(self.tax_doclist and \ |
| self.tax_doclist[-1].total or self.doc.net_total, self.precision("grand_total")) |
| self.doc.grand_total_export = flt(self.doc.grand_total / self.doc.conversion_rate, |
| self.precision("grand_total_export")) |
| |
| self.doc.other_charges_total = flt(self.doc.grand_total - self.doc.net_total, |
| self.precision("other_charges_total")) |
| self.doc.other_charges_total_export = flt(self.doc.grand_total_export - self.doc.net_total_export, |
| self.precision("other_charges_total_export")) |
| |
| self.doc.rounded_total = round(self.doc.grand_total) |
| self.doc.rounded_total_export = round(self.doc.grand_total_export) |
| |
| 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" and self.doc.docstatus < 2: |
| self.round_floats_in(self.doc, ["grand_total", "total_advance", "write_off_amount", |
| "paid_amount"]) |
| total_amount_to_pay = self.doc.grand_total - self.doc.write_off_amount |
| self.doc.outstanding_amount = flt(total_amount_to_pay - self.doc.total_advance - self.doc.paid_amount, |
| self.precision("outstanding_amount")) |
| |
| def calculate_commission(self): |
| if self.meta.get_field("commission_rate"): |
| self.round_floats_in(self.doc, ["net_total", "commission_rate"]) |
| if self.doc.commission_rate > 100.0: |
| msgprint(_(self.meta.get_label("commission_rate")) + " " + |
| _("cannot be greater than 100"), raise_exception=True) |
| |
| self.doc.total_commission = flt(self.doc.net_total * self.doc.commission_rate / 100.0, |
| self.precision("total_commission")) |
| |
| def calculate_contribution(self): |
| total = 0.0 |
| sales_team = self.doclist.get({"parentfield": "sales_team"}) |
| for sales_person in sales_team: |
| self.round_floats_in(sales_person) |
| |
| sales_person.allocated_amount = flt( |
| self.doc.net_total * sales_person.allocated_percentage / 100.0, |
| self.precision("allocated_amount", sales_person)) |
| |
| total += sales_person.allocated_percentage |
| |
| if sales_team and total != 100.0: |
| msgprint(_("Total") + " " + |
| _(self.meta.get_label("allocated_percentage", parentfield="sales_team")) + |
| " " + _("should be 100%"), raise_exception=True) |
| |
| def validate_order_type(self): |
| valid_types = ["Sales", "Maintenance"] |
| if self.doc.order_type not in valid_types: |
| msgprint(_(self.meta.get_label("order_type")) + " " + |
| _("must be one of") + ": " + comma_or(valid_types), |
| raise_exception=True) |