| # Copyright (c) 2015, Frappe 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 |
| |
| from erpnext.setup.utils import get_company_currency |
| from erpnext.accounts.party import get_party_details |
| from erpnext.stock.get_item_details import get_conversion_factor |
| |
| from erpnext.controllers.stock_controller import StockController |
| |
| class BuyingController(StockController): |
| def __setup__(self): |
| if hasattr(self, "taxes"): |
| self.print_templates = { |
| "taxes": "templates/print_formats/includes/taxes.html" |
| } |
| |
| def get_feed(self): |
| return _("From {0} | {1} {2}").format(self.supplier_name, self.currency, |
| self.grand_total) |
| |
| 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.set_qty_as_per_stock_uom() |
| 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("taxes", "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("items"): |
| 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("items") if getattr(d, "warehouse", None)])) |
| |
| for w in warehouses: |
| validate_warehouse_company(w, self.company) |
| |
| def validate_stock_or_nonstock_items(self): |
| if self.meta.get_field("taxes") and not self.get_stock_items(): |
| tax_for_valuation = [d.account_head for d in self.get("taxes") |
| 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("base_in_words"): |
| self.base_in_words = money_in_words(self.base_grand_total, company_currency) |
| if self.meta.get_field("in_words"): |
| self.in_words = money_in_words(self.grand_total, self.currency) |
| |
| # 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_net_amount) |
| last_stock_item_idx = d.idx |
| |
| total_valuation_amount = sum([flt(d.base_tax_amount_after_discount_amount) for d in self.get("taxes") |
| 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_net_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 = get_conversion_factor(item.item_code, item.uom).get("conversion_factor") or 1.0 |
| |
| qty_in_stock_uom = flt(item.qty * item.conversion_factor) |
| rm_supp_cost = flt(item.rm_supp_cost) if self.doctype=="Purchase Receipt" else 0.0 |
| |
| landed_cost_voucher_amount = flt(item.landed_cost_voucher_amount) \ |
| if self.doctype == "Purchase Receipt" else 0.0 |
| |
| item.valuation_rate = ((item.base_net_amount + item.item_tax_amount + rm_supp_cost |
| + landed_cost_voucher_amount) / 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.is_subcontracted == "Yes": |
| if self.doctype == "Purchase Receipt" and not self.supplier_warehouse: |
| frappe.throw(_("Supplier Warehouse mandatory for sub-contracted Purchase Receipt")) |
| |
| for item in self.get("items"): |
| if item in self.sub_contracted_items and not item.bom: |
| frappe.throw(_("Please select BOM in BOM field for Item {0}").format(item.item_code)) |
| |
| else: |
| for item in self.get("items"): |
| if item.bom: |
| item.bom = None |
| |
| def create_raw_materials_supplied(self, raw_material_table): |
| if self.is_subcontracted=="Yes": |
| parent_items = [] |
| for item in self.get("items"): |
| if self.doctype == "Purchase Receipt": |
| item.rm_supp_cost = 0.0 |
| if item.item_code in self.sub_contracted_items: |
| self.update_raw_materials_supplied(item, raw_material_table) |
| |
| if [item.item_code, item.name] not in parent_items: |
| parent_items.append([item.item_code, item.name]) |
| |
| self.cleanup_raw_materials_supplied(parent_items, raw_material_table) |
| |
| elif self.doctype == "Purchase Receipt": |
| for item in self.get("items"): |
| item.rm_supp_cost = 0.0 |
| |
| def update_raw_materials_supplied(self, item, raw_material_table): |
| bom_items = self.get_items_from_bom(item.item_code, item.bom) |
| raw_materials_cost = 0 |
| |
| for bom_item in bom_items: |
| # check if exists |
| exists = 0 |
| for d in self.get(raw_material_table): |
| if d.main_item_code == item.item_code and d.rm_item_code == bom_item.item_code \ |
| and d.reference_name == item.name: |
| rm, exists = d, 1 |
| break |
| |
| if not exists: |
| rm = self.append(raw_material_table, {}) |
| |
| required_qty = flt(bom_item.qty_consumed_per_unit) * flt(item.qty) * flt(item.conversion_factor) |
| rm.reference_name = item.name |
| rm.bom_detail_no = bom_item.name |
| rm.main_item_code = item.item_code |
| rm.rm_item_code = bom_item.item_code |
| rm.stock_uom = bom_item.stock_uom |
| rm.required_qty = required_qty |
| |
| rm.conversion_factor = item.conversion_factor |
| |
| if self.doctype == "Purchase Receipt": |
| rm.consumed_qty = required_qty |
| rm.description = bom_item.description |
| if item.batch_no and not rm.batch_no: |
| rm.batch_no = item.batch_no |
| |
| # get raw materials rate |
| if self.doctype == "Purchase Receipt": |
| from erpnext.stock.utils import get_incoming_rate |
| rm.rate = get_incoming_rate({ |
| "item_code": bom_item.item_code, |
| "warehouse": self.supplier_warehouse, |
| "posting_date": self.posting_date, |
| "posting_time": self.posting_time, |
| "qty": -1 * required_qty, |
| "serial_no": rm.serial_no |
| }) |
| if not rm.rate: |
| from erpnext.stock.stock_ledger import get_valuation_rate |
| rm.rate = get_valuation_rate(bom_item.item_code, self.supplier_warehouse) |
| else: |
| rm.rate = bom_item.rate |
| |
| rm.amount = required_qty * flt(rm.rate) |
| raw_materials_cost += flt(rm.amount) |
| |
| if self.doctype == "Purchase Receipt": |
| item.rm_supp_cost = raw_materials_cost |
| |
| def cleanup_raw_materials_supplied(self, parent_items, raw_material_table): |
| """Remove all those child items which are no longer present in main item table""" |
| delete_list = [] |
| for d in self.get(raw_material_table): |
| if [d.main_item_code, d.reference_name] not in parent_items: |
| # mark for deletion from doclist |
| delete_list.append(d) |
| |
| # delete from doclist |
| if delete_list: |
| rm_supplied_details = self.get(raw_material_table) |
| self.set(raw_material_table, []) |
| for d in rm_supplied_details: |
| if d not in delete_list: |
| self.append(raw_material_table, d) |
| |
| def get_items_from_bom(self, item_code, bom): |
| bom_items = frappe.db.sql("""select t2.item_code, |
| ifnull(t2.qty, 0) / ifnull(t1.quantity, 1) as 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.docstatus = 1 and t1.is_active = 1 and t1.name = %s""", (item_code, bom), as_dict=1) |
| |
| if not bom_items: |
| msgprint(_("Specified BOM {0} does not exist for Item {1}").format(bom, 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("items"))) |
| 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("items"))) |
| 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("items")): |
| frappe.throw(_("Item table can not be blank")) |
| |
| def set_qty_as_per_stock_uom(self): |
| for d in self.get("items"): |
| if d.meta.get_field("stock_qty") and not d.stock_qty: |
| if not d.conversion_factor: |
| frappe.throw(_("Row {0}: Conversion Factor is mandatory")) |
| d.stock_qty = flt(d.qty) * flt(d.conversion_factor) |