# Copyright (c) 2013, Web Notes Technologies Pvt. Ltd. and Contributors # License: GNU General Public License v3. See license.txt from __future__ import unicode_literals import frappe from frappe import _, msgprint from frappe.utils import flt, _round from erpnext.setup.utils import get_company_currency from erpnext.accounts.party import get_party_details from erpnext.controllers.stock_controller import StockController class BuyingController(StockController): def onload_post_render(self): # contact, address, item details self.set_missing_values() def validate(self): super(BuyingController, self).validate() if getattr(self, "supplier", None) and not self.supplier_name: self.supplier_name = frappe.db.get_value("Supplier", self.supplier, "supplier_name") self.is_item_table_empty() self.validate_stock_or_nonstock_items() self.validate_warehouse() def set_missing_values(self, for_validate=False): super(BuyingController, self).set_missing_values(for_validate) self.set_supplier_from_item_default() self.set_price_list_currency("Buying") # set contact and address details for supplier, if they are not mentioned if getattr(self, "supplier", None): self.update_if_missing(get_party_details(self.supplier, party_type="Supplier")) self.set_missing_item_details() if self.get("__islocal"): self.set_taxes("other_charges", "taxes_and_charges") def set_supplier_from_item_default(self): if self.meta.get_field("supplier") and not self.supplier: for d in self.get(self.fname): supplier = frappe.db.get_value("Item", d.item_code, "default_supplier") if supplier: self.supplier = supplier break def validate_warehouse(self): from erpnext.stock.utils import validate_warehouse_company warehouses = list(set([d.warehouse for d in self.get(self.fname) if getattr(d, "warehouse", None)])) for w in warehouses: validate_warehouse_company(w, self.company) def validate_stock_or_nonstock_items(self): if not self.get_stock_items(): tax_for_valuation = [d.account_head for d in self.get("other_charges") if d.category in ["Valuation", "Valuation and Total"]] if tax_for_valuation: frappe.throw(_("Tax Category can not be 'Valuation' or 'Valuation and Total' as all items are non-stock items")) def set_total_in_words(self): from frappe.utils import money_in_words company_currency = get_company_currency(self.company) if self.meta.get_field("in_words"): self.in_words = money_in_words(self.grand_total, company_currency) if self.meta.get_field("in_words_import"): self.in_words_import = money_in_words(self.grand_total_import, self.currency) def calculate_taxes_and_totals(self): self.other_fname = "other_charges" super(BuyingController, self).calculate_taxes_and_totals() self.calculate_total_advance("Purchase Invoice", "advance_allocation_details") def calculate_item_values(self): for item in self.item_doclist: self.round_floats_in(item) if item.discount_percentage == 100.0: item.rate = 0.0 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)) item.item_tax_amount = 0.0; self._set_in_company_currency(item, "amount", "base_amount") self._set_in_company_currency(item, "price_list_rate", "base_price_list_rate") self._set_in_company_currency(item, "rate", "base_rate") def calculate_net_total(self): self.net_total = self.net_total_import = 0.0 for item in self.item_doclist: self.net_total += item.base_amount self.net_total_import += item.amount self.round_floats_in(self, ["net_total", "net_total_import"]) def calculate_totals(self): self.grand_total = flt(self.tax_doclist[-1].total if self.tax_doclist else self.net_total, self.precision("grand_total")) self.grand_total_import = flt(self.grand_total / self.conversion_rate, self.precision("grand_total_import")) self.total_tax = flt(self.grand_total - self.net_total, self.precision("total_tax")) if self.meta.get_field("rounded_total"): self.rounded_total = _round(self.grand_total) if self.meta.get_field("rounded_total_import"): self.rounded_total_import = _round(self.grand_total_import) if self.meta.get_field("other_charges_added"): self.other_charges_added = flt(sum([flt(d.tax_amount) for d in self.tax_doclist if d.add_deduct_tax=="Add" and d.category in ["Valuation and Total", "Total"]]), self.precision("other_charges_added")) if self.meta.get_field("other_charges_deducted"): self.other_charges_deducted = flt(sum([flt(d.tax_amount) for d in self.tax_doclist if d.add_deduct_tax=="Deduct" and d.category in ["Valuation and Total", "Total"]]), self.precision("other_charges_deducted")) if self.meta.get_field("other_charges_added_import"): self.other_charges_added_import = flt(self.other_charges_added / self.conversion_rate, self.precision("other_charges_added_import")) if self.meta.get_field("other_charges_deducted_import"): self.other_charges_deducted_import = flt(self.other_charges_deducted / self.conversion_rate, self.precision("other_charges_deducted_import")) def calculate_outstanding_amount(self): if self.doctype == "Purchase Invoice" and self.docstatus == 0: self.total_advance = flt(self.total_advance, self.precision("total_advance")) self.total_amount_to_pay = flt(self.grand_total - flt(self.write_off_amount, self.precision("write_off_amount")), self.precision("total_amount_to_pay")) self.outstanding_amount = flt(self.total_amount_to_pay - self.total_advance, self.precision("outstanding_amount")) # update valuation rate def update_valuation_rate(self, parentfield): """ item_tax_amount is the total tax amount applied on that item stored for valuation TODO: rename item_tax_amount to valuation_tax_amount """ stock_items = self.get_stock_items() stock_items_qty, stock_items_amount = 0, 0 last_stock_item_idx = 1 for d in self.get(parentfield): if d.item_code and d.item_code in stock_items: stock_items_qty += flt(d.qty) stock_items_amount += flt(d.base_amount) last_stock_item_idx = d.idx total_valuation_amount = sum([flt(d.tax_amount) for d in self.get("other_charges") if d.category in ["Valuation", "Valuation and Total"]]) valuation_amount_adjustment = total_valuation_amount for i, item in enumerate(self.get(parentfield)): if item.item_code and item.qty and item.item_code in stock_items: item_proportion = flt(item.base_amount) / stock_items_amount if stock_items_amount \ else flt(item.qty) / stock_items_qty if i == (last_stock_item_idx - 1): item.item_tax_amount = flt(valuation_amount_adjustment, self.precision("item_tax_amount", item)) else: item.item_tax_amount = flt(item_proportion * total_valuation_amount, self.precision("item_tax_amount", item)) valuation_amount_adjustment -= item.item_tax_amount self.round_floats_in(item) item.conversion_factor = item.conversion_factor or flt(frappe.db.get_value( "UOM Conversion Detail", {"parent": item.item_code, "uom": item.uom}, "conversion_factor")) or 1 qty_in_stock_uom = flt(item.qty * item.conversion_factor) item.valuation_rate = ((item.base_amount + item.item_tax_amount + item.rm_supp_cost) / qty_in_stock_uom) else: item.valuation_rate = 0.0 def validate_for_subcontracting(self): if not self.is_subcontracted and self.sub_contracted_items: frappe.throw(_("Please enter 'Is Subcontracted' as Yes or No")) if self.doctype == "Purchase Receipt" and self.is_subcontracted=="Yes" \ and not self.supplier_warehouse: frappe.throw(_("Supplier Warehouse mandatory for sub-contracted Purchase Receipt")) def update_raw_materials_supplied(self, raw_material_table): self.set(raw_material_table, []) if self.is_subcontracted=="Yes": for item in self.get(self.fname): if item.item_code in self.sub_contracted_items: self.add_bom_items(item, raw_material_table) def add_bom_items(self, d, raw_material_table): bom_items = self.get_items_from_default_bom(d.item_code) raw_materials_cost = 0 for item in bom_items: required_qty = flt(item.qty_consumed_per_unit) * flt(d.qty) * flt(d.conversion_factor) rm_doclist = { "doctype": self.doctype + " Item Supplied", "reference_name": d.name, "bom_detail_no": item.name, "main_item_code": d.item_code, "rm_item_code": item.item_code, "stock_uom": item.stock_uom, "required_qty": required_qty, "conversion_factor": d.conversion_factor, "rate": item.rate, "amount": required_qty * flt(item.rate) } if self.doctype == "Purchase Receipt": rm_doclist.update({ "consumed_qty": required_qty, "description": item.description, }) self.append(raw_material_table, rm_doclist) raw_materials_cost += required_qty * flt(item.rate) if self.doctype == "Purchase Receipt": d.rm_supp_cost = raw_materials_cost def get_items_from_default_bom(self, item_code): bom_items = frappe.db.sql("""select t2.item_code, t2.qty_consumed_per_unit, t2.rate, t2.stock_uom, t2.name, t2.description from `tabBOM` t1, `tabBOM Item` t2 where t2.parent = t1.name and t1.item = %s and t1.is_default = 1 and t1.docstatus = 1 and t1.is_active = 1""", item_code, as_dict=1) if not bom_items: msgprint(_("No default BOM exists for Item {0}").format(item_code), raise_exception=1) return bom_items @property def sub_contracted_items(self): if not hasattr(self, "_sub_contracted_items"): self._sub_contracted_items = [] item_codes = list(set(item.item_code for item in self.get(self.fname))) if item_codes: self._sub_contracted_items = [r[0] for r in frappe.db.sql("""select name from `tabItem` where name in (%s) and is_sub_contracted_item='Yes'""" % \ (", ".join((["%s"]*len(item_codes))),), item_codes)] return self._sub_contracted_items @property def purchase_items(self): if not hasattr(self, "_purchase_items"): self._purchase_items = [] item_codes = list(set(item.item_code for item in self.get(self.fname))) if item_codes: self._purchase_items = [r[0] for r in frappe.db.sql("""select name from `tabItem` where name in (%s) and is_purchase_item='Yes'""" % \ (", ".join((["%s"]*len(item_codes))),), item_codes)] return self._purchase_items def is_item_table_empty(self): if not len(self.get(self.fname)): frappe.throw(_("Item table can not be blank"))