| # 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 self.doc.supplier and not self.doc.supplier_name: |
| self.doc.supplier_name = frappe.db.get_value("Supplier", |
| self.doc.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 self.doc.supplier: |
| self.doc.update_if_missing(get_party_details(self.doc.supplier, party_type="Supplier")) |
| |
| self.set_missing_item_details() |
| if self.doc.fields.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.doc.supplier: |
| for d in self.doclist.get({"doctype": self.tname}): |
| supplier = frappe.db.get_value("Item", d.item_code, "default_supplier") |
| if supplier: |
| self.doc.supplier = supplier |
| break |
| |
| def validate_warehouse(self): |
| from erpnext.stock.utils import validate_warehouse_company |
| |
| warehouses = list(set([d.warehouse for d in |
| self.doclist.get({"doctype": self.tname}) if d.warehouse])) |
| |
| for w in warehouses: |
| validate_warehouse_company(w, self.doc.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.msgprint(_("""Tax Category can not be 'Valuation' or 'Valuation and Total' as all items are non-stock items"""), raise_exception=1) |
| |
| def set_total_in_words(self): |
| from frappe.utils import money_in_words |
| company_currency = get_company_currency(self.doc.company) |
| if self.meta.get_field("in_words"): |
| self.doc.in_words = money_in_words(self.doc.grand_total, company_currency) |
| if self.meta.get_field("in_words_import"): |
| self.doc.in_words_import = money_in_words(self.doc.grand_total_import, |
| self.doc.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.doc.net_total = self.doc.net_total_import = 0.0 |
| |
| for item in self.item_doclist: |
| self.doc.net_total += item.base_amount |
| self.doc.net_total_import += item.amount |
| |
| self.round_floats_in(self.doc, ["net_total", "net_total_import"]) |
| |
| def calculate_totals(self): |
| self.doc.grand_total = flt(self.tax_doclist[-1].total if self.tax_doclist |
| else self.doc.net_total, self.precision("grand_total")) |
| self.doc.grand_total_import = flt(self.doc.grand_total / self.doc.conversion_rate, |
| self.precision("grand_total_import")) |
| |
| self.doc.total_tax = flt(self.doc.grand_total - self.doc.net_total, |
| self.precision("total_tax")) |
| |
| if self.meta.get_field("rounded_total"): |
| self.doc.rounded_total = _round(self.doc.grand_total) |
| |
| if self.meta.get_field("rounded_total_import"): |
| self.doc.rounded_total_import = _round(self.doc.grand_total_import) |
| |
| if self.meta.get_field("other_charges_added"): |
| self.doc.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.doc.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.doc.other_charges_added_import = flt(self.doc.other_charges_added / |
| self.doc.conversion_rate, self.precision("other_charges_added_import")) |
| |
| if self.meta.get_field("other_charges_deducted_import"): |
| self.doc.other_charges_deducted_import = flt(self.doc.other_charges_deducted / |
| self.doc.conversion_rate, self.precision("other_charges_deducted_import")) |
| |
| def calculate_outstanding_amount(self): |
| if self.doc.doctype == "Purchase Invoice" and self.doc.docstatus == 0: |
| self.doc.total_advance = flt(self.doc.total_advance, |
| self.precision("total_advance")) |
| self.doc.total_amount_to_pay = flt(self.doc.grand_total - flt(self.doc.write_off_amount, |
| self.precision("write_off_amount")), self.precision("total_amount_to_pay")) |
| self.doc.outstanding_amount = flt(self.doc.total_amount_to_pay - self.doc.total_advance, |
| self.precision("outstanding_amount")) |
| |
| def _cleanup(self): |
| super(BuyingController, self)._cleanup() |
| |
| if not self.meta.get_field("item_tax_amount", parentfield=self.fname): |
| for item in self.item_doclist: |
| del item.fields["item_tax_amount"] |
| |
| if not self.meta.get_field("tax_amount_after_discount_amount", |
| parentfield=self.other_fname): |
| for tax in self.tax_doclist: |
| del tax.fields["tax_amount_after_discount_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.doc.is_subcontracted and self.sub_contracted_items: |
| frappe.msgprint(_("""Please enter whether %s is made for subcontracting or purchasing, |
| in 'Is Subcontracted' field""" % self.doc.doctype), raise_exception=1) |
| |
| if self.doc.doctype == "Purchase Receipt" and self.doc.is_subcontracted=="Yes" \ |
| and not self.doc.supplier_warehouse: |
| frappe.msgprint(_("Supplier Warehouse mandatory subcontracted purchase receipt"), |
| raise_exception=1) |
| |
| def update_raw_materials_supplied(self, raw_material_table): |
| self.set(raw_material_table, []) |
| if self.doc.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 = { |
| "parentfield": raw_material_table, |
| "doctype": self.doc.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.doc.doctype == "Purchase Receipt": |
| rm_doclist.update({ |
| "consumed_qty": required_qty, |
| "description": item.description, |
| }) |
| |
| self.doclist.append(rm_doclist) |
| |
| raw_materials_cost += required_qty * flt(item.rate) |
| |
| if self.doc.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: ") + 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")) |