| # Copyright (c) 2013, Web Notes Technologies Pvt. Ltd. and Contributors |
| # License: GNU General Public License v3. See license.txt |
| |
| from __future__ import unicode_literals |
| import frappe |
| from frappe.utils import cint, flt, comma_or, _round, cstr |
| from erpnext.setup.utils import get_company_currency |
| from frappe import msgprint, _ |
| |
| from erpnext.controllers.stock_controller import StockController |
| |
| class SellingController(StockController): |
| def onload_post_render(self): |
| # contact, address, item details and pos details (if applicable) |
| self.set_missing_values() |
| |
| def validate(self): |
| super(SellingController, self).validate() |
| self.validate_max_discount() |
| check_active_sales_items(self) |
| |
| def get_sender(self, comm): |
| return frappe.db.get_value('Sales Email Settings', None, 'email_id') |
| |
| def set_missing_values(self, for_validate=False): |
| super(SellingController, self).set_missing_values(for_validate) |
| |
| # set contact and address details for customer, if they are not mentioned |
| self.set_missing_lead_customer_details() |
| self.set_price_list_and_item_details() |
| if self.get("__islocal"): |
| self.set_taxes("other_charges", "taxes_and_charges") |
| |
| def set_missing_lead_customer_details(self): |
| if getattr(self, "customer", None): |
| from erpnext.accounts.party import _get_party_details |
| self.update_if_missing(_get_party_details(self.customer, |
| ignore_permissions=getattr(self, "ignore_permissions", None))) |
| |
| elif getattr(self, "lead", None): |
| from erpnext.selling.doctype.lead.lead import get_lead_details |
| self.update_if_missing(get_lead_details(self.lead)) |
| |
| def set_price_list_and_item_details(self): |
| self.set_price_list_currency("Selling") |
| self.set_missing_item_details() |
| |
| def apply_shipping_rule(self): |
| if self.shipping_rule: |
| shipping_rule = frappe.get_doc("Shipping Rule", self.shipping_rule) |
| value = self.net_total |
| |
| # TODO |
| # shipping rule calculation based on item's net weight |
| |
| shipping_amount = 0.0 |
| for condition in shipping_rule.get("shipping_rule_conditions"): |
| if not condition.to_value or (flt(condition.from_value) <= value <= flt(condition.to_value)): |
| shipping_amount = condition.shipping_amount |
| break |
| |
| self.append("other_charges", { |
| "doctype": "Sales Taxes and Charges", |
| "charge_type": "Actual", |
| "account_head": shipping_rule.account, |
| "cost_center": shipping_rule.cost_center, |
| "description": shipping_rule.label, |
| "rate": shipping_amount |
| }) |
| |
| def set_total_in_words(self): |
| from frappe.utils import money_in_words |
| company_currency = get_company_currency(self.company) |
| |
| disable_rounded_total = cint(frappe.db.get_value("Global Defaults", None, |
| "disable_rounded_total")) |
| |
| if self.meta.get_field("in_words"): |
| self.in_words = money_in_words(disable_rounded_total and |
| self.grand_total or self.rounded_total, company_currency) |
| if self.meta.get_field("in_words_export"): |
| self.in_words_export = money_in_words(disable_rounded_total and |
| self.grand_total_export or self.rounded_total_export, self.currency) |
| |
| 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 and not self.discount_amount_applied: |
| item.base_amount = flt((item.amount * self.conversion_rate) / |
| (1 + cumulated_tax_fraction), self.precision("base_amount", item)) |
| |
| item.base_rate = flt(item.base_amount / item.qty, self.precision("base_rate", item)) |
| |
| if item.discount_percentage == 100: |
| item.base_price_list_rate = item.base_rate |
| item.base_rate = 0.0 |
| else: |
| item.base_price_list_rate = flt(item.base_rate / (1 - (item.discount_percentage / 100.0)), |
| self.precision("base_price_list_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): |
| if not self.discount_amount_applied: |
| for item in self.item_doclist: |
| self.round_floats_in(item) |
| |
| if item.discount_percentage == 100: |
| item.rate = 0 |
| elif not item.rate: |
| item.rate = flt(item.price_list_rate * (1.0 - (item.discount_percentage / 100.0)), |
| self.precision("rate", item)) |
| |
| item.amount = flt(item.rate * item.qty, |
| self.precision("amount", item)) |
| |
| self._set_in_company_currency(item, "price_list_rate", "base_price_list_rate") |
| self._set_in_company_currency(item, "rate", "base_rate") |
| self._set_in_company_currency(item, "amount", "base_amount") |
| |
| def calculate_net_total(self): |
| self.net_total = self.net_total_export = 0.0 |
| |
| for item in self.item_doclist: |
| self.net_total += item.base_amount |
| self.net_total_export += item.amount |
| |
| self.round_floats_in(self, ["net_total", "net_total_export"]) |
| |
| def calculate_totals(self): |
| self.grand_total = flt(self.tax_doclist and \ |
| self.tax_doclist[-1].total or self.net_total, self.precision("grand_total")) |
| self.grand_total_export = flt(self.grand_total / self.conversion_rate, |
| self.precision("grand_total_export")) |
| |
| self.other_charges_total = flt(self.grand_total - self.net_total, |
| self.precision("other_charges_total")) |
| |
| self.other_charges_total_export = flt(self.grand_total_export - |
| self.net_total_export + flt(self.discount_amount), |
| self.precision("other_charges_total_export")) |
| |
| self.rounded_total = _round(self.grand_total) |
| self.rounded_total_export = _round(self.grand_total_export) |
| |
| def apply_discount_amount(self): |
| if self.discount_amount: |
| grand_total_for_discount_amount = self.get_grand_total_for_discount_amount() |
| |
| if grand_total_for_discount_amount: |
| # calculate item amount after Discount Amount |
| for item in self.item_doclist: |
| distributed_amount = flt(self.discount_amount) * item.base_amount / grand_total_for_discount_amount |
| item.base_amount = flt(item.base_amount - distributed_amount, self.precision("base_amount", item)) |
| |
| self.discount_amount_applied = True |
| self._calculate_taxes_and_totals() |
| |
| def get_grand_total_for_discount_amount(self): |
| actual_taxes_dict = {} |
| |
| for tax in self.tax_doclist: |
| if tax.charge_type == "Actual": |
| actual_taxes_dict.setdefault(tax.idx, tax.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) |
| |
| grand_total_for_discount_amount = flt(self.grand_total - sum(actual_taxes_dict.values()), |
| self.precision("grand_total")) |
| return grand_total_for_discount_amount |
| |
| def calculate_outstanding_amount(self): |
| # NOTE: |
| # write_off_amount is only for POS Invoice |
| # total_advance is only for non POS Invoice |
| if self.doctype == "Sales Invoice" and self.docstatus == 0: |
| self.round_floats_in(self, ["grand_total", "total_advance", "write_off_amount", |
| "paid_amount"]) |
| total_amount_to_pay = self.grand_total - self.write_off_amount |
| self.outstanding_amount = flt(total_amount_to_pay - self.total_advance \ |
| - self.paid_amount, self.precision("outstanding_amount")) |
| |
| def calculate_commission(self): |
| if self.meta.get_field("commission_rate"): |
| self.round_floats_in(self, ["net_total", "commission_rate"]) |
| if self.commission_rate > 100.0: |
| msgprint(_(self.meta.get_label("commission_rate")) + " " + |
| _("cannot be greater than 100"), raise_exception=True) |
| |
| self.total_commission = flt(self.net_total * self.commission_rate / 100.0, |
| self.precision("total_commission")) |
| |
| def calculate_contribution(self): |
| total = 0.0 |
| sales_team = self.get("sales_team") |
| for sales_person in sales_team: |
| self.round_floats_in(sales_person) |
| |
| sales_person.allocated_amount = flt( |
| self.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", "Shopping Cart"] |
| if not self.order_type: |
| self.order_type = "Sales" |
| elif self.order_type not in valid_types: |
| msgprint(_(self.meta.get_label("order_type")) + " " + |
| _("must be one of") + ": " + comma_or(valid_types), raise_exception=True) |
| |
| def check_credit(self, grand_total): |
| customer_account = frappe.db.get_value("Account", {"company": self.company, |
| "master_name": self.customer}, "name") |
| if customer_account: |
| total_outstanding = frappe.db.sql("""select |
| sum(ifnull(debit, 0)) - sum(ifnull(credit, 0)) |
| from `tabGL Entry` where account = %s""", customer_account) |
| total_outstanding = total_outstanding[0][0] if total_outstanding else 0 |
| |
| outstanding_including_current = flt(total_outstanding) + flt(grand_total) |
| frappe.get_doc('Account', customer_account).run_method("check_credit_limit", |
| outstanding_including_current) |
| |
| def validate_max_discount(self): |
| for d in self.get(self.fname): |
| discount = flt(frappe.db.get_value("Item", d.item_code, "max_discount")) |
| |
| if discount and flt(d.discount_percentage) > discount: |
| frappe.throw(_("You cannot give more than ") + cstr(discount) + "% " + |
| _("discount on Item Code") + ": " + cstr(d.item_code)) |
| |
| def get_item_list(self): |
| il = [] |
| for d in self.get(self.fname): |
| reserved_warehouse = "" |
| reserved_qty_for_main_item = 0 |
| |
| if self.doctype == "Sales Order": |
| if (frappe.db.get_value("Item", d.item_code, "is_stock_item") == 'Yes' or |
| self.has_sales_bom(d.item_code)) and not d.warehouse: |
| frappe.throw(_("Please enter Reserved Warehouse for item ") + |
| d.item_code + _(" as it is stock Item or packing item")) |
| reserved_warehouse = d.warehouse |
| if flt(d.qty) > flt(d.delivered_qty): |
| reserved_qty_for_main_item = flt(d.qty) - flt(d.delivered_qty) |
| |
| if self.doctype == "Delivery Note" and d.against_sales_order: |
| # if SO qty is 10 and there is tolerance of 20%, then it will allow DN of 12. |
| # But in this case reserved qty should only be reduced by 10 and not 12 |
| |
| already_delivered_qty = self.get_already_delivered_qty(self.name, |
| d.against_sales_order, d.prevdoc_detail_docname) |
| so_qty, reserved_warehouse = self.get_so_qty_and_warehouse(d.prevdoc_detail_docname) |
| |
| if already_delivered_qty + d.qty > so_qty: |
| reserved_qty_for_main_item = -(so_qty - already_delivered_qty) |
| else: |
| reserved_qty_for_main_item = -flt(d.qty) |
| |
| if self.has_sales_bom(d.item_code): |
| for p in self.get("packing_details"): |
| if p.parent_detail_docname == d.name and p.parent_item == d.item_code: |
| # the packing details table's qty is already multiplied with parent's qty |
| il.append(frappe._dict({ |
| 'warehouse': p.warehouse, |
| 'reserved_warehouse': reserved_warehouse, |
| 'item_code': p.item_code, |
| 'qty': flt(p.qty), |
| 'reserved_qty': (flt(p.qty)/flt(d.qty)) * reserved_qty_for_main_item, |
| 'uom': p.uom, |
| 'batch_no': cstr(p.batch_no).strip(), |
| 'serial_no': cstr(p.serial_no).strip(), |
| 'name': d.name |
| })) |
| else: |
| il.append(frappe._dict({ |
| 'warehouse': d.warehouse, |
| 'reserved_warehouse': reserved_warehouse, |
| 'item_code': d.item_code, |
| 'qty': d.qty, |
| 'reserved_qty': reserved_qty_for_main_item, |
| 'uom': d.stock_uom, |
| 'batch_no': cstr(d.batch_no).strip(), |
| 'serial_no': cstr(d.serial_no).strip(), |
| 'name': d.name |
| })) |
| return il |
| |
| def has_sales_bom(self, item_code): |
| return frappe.db.sql("""select name from `tabSales BOM` |
| where new_item_code=%s and docstatus != 2""", item_code) |
| |
| def get_already_delivered_qty(self, dn, so, so_detail): |
| qty = frappe.db.sql("""select sum(qty) from `tabDelivery Note Item` |
| where prevdoc_detail_docname = %s and docstatus = 1 |
| and against_sales_order = %s |
| and parent != %s""", (so_detail, so, dn)) |
| return qty and flt(qty[0][0]) or 0.0 |
| |
| def get_so_qty_and_warehouse(self, so_detail): |
| so_item = frappe.db.sql("""select qty, warehouse from `tabSales Order Item` |
| where name = %s and docstatus = 1""", so_detail, as_dict=1) |
| so_qty = so_item and flt(so_item[0]["qty"]) or 0.0 |
| so_warehouse = so_item and so_item[0]["warehouse"] or "" |
| return so_qty, so_warehouse |
| |
| def check_stop_sales_order(self, ref_fieldname): |
| for d in self.get(self.fname): |
| if d.get(ref_fieldname): |
| status = frappe.db.get_value("Sales Order", d.get(ref_fieldname), "status") |
| if status == "Stopped": |
| frappe.throw(self.doctype + |
| _(" can not be created/modified against stopped Sales Order ") + |
| d.get(ref_fieldname)) |
| |
| def check_active_sales_items(obj): |
| for d in obj.get(obj.fname): |
| if d.item_code: |
| item = frappe.db.sql("""select docstatus, is_sales_item, |
| is_service_item, income_account from tabItem where name = %s""", |
| d.item_code, as_dict=True)[0] |
| if item.is_sales_item == 'No' and item.is_service_item == 'No': |
| frappe.throw(_("Item is neither Sales nor Service Item") + ": " + d.item_code) |
| if getattr(d, "income_account", None) and not item.income_account: |
| frappe.db.set_value("Item", d.item_code, "income_account", |
| d.income_account) |