404 lines
15 KiB
Python
404 lines
15 KiB
Python
# Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
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# License: GNU General Public License v3. See license.txt
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from __future__ import unicode_literals
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import frappe
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from frappe import _, msgprint
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from frappe.utils import flt,cint, cstr
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from erpnext.accounts.party import get_party_details
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from erpnext.stock.get_item_details import get_conversion_factor
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from erpnext.buying.utils import validate_for_items
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from erpnext.stock.stock_ledger import get_valuation_rate
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from erpnext.controllers.stock_controller import StockController
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class BuyingController(StockController):
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def __setup__(self):
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if hasattr(self, "taxes"):
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self.print_templates = {
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"taxes": "templates/print_formats/includes/taxes.html"
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}
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def get_feed(self):
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if self.get("supplier_name"):
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return _("From {0} | {1} {2}").format(self.supplier_name, self.currency,
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self.grand_total)
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def validate(self):
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super(BuyingController, self).validate()
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if getattr(self, "supplier", None) and not self.supplier_name:
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self.supplier_name = frappe.db.get_value("Supplier", self.supplier, "supplier_name")
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self.set_qty_as_per_stock_uom()
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self.validate_stock_or_nonstock_items()
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self.validate_warehouse()
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if self.doctype=="Purchase Invoice":
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self.validate_purchase_receipt_if_update_stock()
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if self.doctype=="Purchase Receipt" or (self.doctype=="Purchase Invoice" and self.update_stock):
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# self.validate_purchase_return()
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self.validate_rejected_warehouse()
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self.validate_accepted_rejected_qty()
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validate_for_items(self)
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#sub-contracting
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self.validate_for_subcontracting()
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self.create_raw_materials_supplied("supplied_items")
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self.set_landed_cost_voucher_amount()
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if self.doctype in ("Purchase Receipt", "Purchase Invoice"):
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self.update_valuation_rate("items")
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def set_missing_values(self, for_validate=False):
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super(BuyingController, self).set_missing_values(for_validate)
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self.set_supplier_from_item_default()
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self.set_price_list_currency("Buying")
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# set contact and address details for supplier, if they are not mentioned
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if getattr(self, "supplier", None):
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self.update_if_missing(get_party_details(self.supplier, party_type="Supplier", ignore_permissions=self.flags.ignore_permissions))
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self.set_missing_item_details(for_validate)
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def set_supplier_from_item_default(self):
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if self.meta.get_field("supplier") and not self.supplier:
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for d in self.get("items"):
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supplier = frappe.db.get_value("Item", d.item_code, "default_supplier")
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if supplier:
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self.supplier = supplier
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break
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def validate_stock_or_nonstock_items(self):
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if self.meta.get_field("taxes") and not self.get_stock_items():
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tax_for_valuation = [d.account_head for d in self.get("taxes")
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if d.category in ["Valuation", "Valuation and Total"]]
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if tax_for_valuation:
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frappe.throw(_("Tax Category can not be 'Valuation' or 'Valuation and Total' as all items are non-stock items"))
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def set_landed_cost_voucher_amount(self):
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for d in self.get("items"):
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lc_voucher_amount = frappe.db.sql("""select sum(applicable_charges)
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from `tabLanded Cost Item`
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where docstatus = 1 and purchase_receipt_item = %s""", d.name)
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d.landed_cost_voucher_amount = lc_voucher_amount[0][0] if lc_voucher_amount else 0.0
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def set_total_in_words(self):
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from frappe.utils import money_in_words
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if self.meta.get_field("base_in_words"):
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self.base_in_words = money_in_words(self.base_grand_total, self.company_currency)
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if self.meta.get_field("in_words"):
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self.in_words = money_in_words(self.grand_total, self.currency)
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# update valuation rate
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def update_valuation_rate(self, parentfield):
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"""
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item_tax_amount is the total tax amount applied on that item
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stored for valuation
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TODO: rename item_tax_amount to valuation_tax_amount
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"""
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stock_items = self.get_stock_items()
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stock_items_qty, stock_items_amount = 0, 0
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last_stock_item_idx = 1
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for d in self.get(parentfield):
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if d.item_code and d.item_code in stock_items:
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stock_items_qty += flt(d.qty)
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stock_items_amount += flt(d.base_net_amount)
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last_stock_item_idx = d.idx
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total_valuation_amount = sum([flt(d.base_tax_amount_after_discount_amount) for d in self.get("taxes")
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if d.category in ["Valuation", "Valuation and Total"]])
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valuation_amount_adjustment = total_valuation_amount
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for i, item in enumerate(self.get(parentfield)):
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if item.item_code and item.qty and item.item_code in stock_items:
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item_proportion = flt(item.base_net_amount) / stock_items_amount if stock_items_amount \
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else flt(item.qty) / stock_items_qty
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if i == (last_stock_item_idx - 1):
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item.item_tax_amount = flt(valuation_amount_adjustment,
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self.precision("item_tax_amount", item))
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else:
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item.item_tax_amount = flt(item_proportion * total_valuation_amount,
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self.precision("item_tax_amount", item))
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valuation_amount_adjustment -= item.item_tax_amount
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self.round_floats_in(item)
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if flt(item.conversion_factor)==0.0:
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item.conversion_factor = get_conversion_factor(item.item_code, item.uom).get("conversion_factor") or 1.0
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qty_in_stock_uom = flt(item.qty * item.conversion_factor)
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rm_supp_cost = flt(item.rm_supp_cost) if self.doctype in ["Purchase Receipt", "Purchase Invoice"] else 0.0
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landed_cost_voucher_amount = flt(item.landed_cost_voucher_amount) \
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if self.doctype in ["Purchase Receipt", "Purchase Invoice"] else 0.0
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item.valuation_rate = ((item.base_net_amount + item.item_tax_amount + rm_supp_cost
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+ landed_cost_voucher_amount) / qty_in_stock_uom)
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else:
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item.valuation_rate = 0.0
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def validate_for_subcontracting(self):
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if not self.is_subcontracted and self.sub_contracted_items:
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frappe.throw(_("Please enter 'Is Subcontracted' as Yes or No"))
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if self.is_subcontracted == "Yes":
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if self.doctype in ["Purchase Receipt", "Purchase Invoice"] and not self.supplier_warehouse:
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frappe.throw(_("Supplier Warehouse mandatory for sub-contracted Purchase Receipt"))
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for item in self.get("items"):
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if item in self.sub_contracted_items and not item.bom:
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frappe.throw(_("Please select BOM in BOM field for Item {0}").format(item.item_code))
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else:
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for item in self.get("items"):
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if item.bom:
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item.bom = None
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def create_raw_materials_supplied(self, raw_material_table):
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if self.is_subcontracted=="Yes":
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parent_items = []
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for item in self.get("items"):
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if self.doctype in ["Purchase Receipt", "Purchase Invoice"]:
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item.rm_supp_cost = 0.0
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if item.item_code in self.sub_contracted_items:
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self.update_raw_materials_supplied(item, raw_material_table)
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if [item.item_code, item.name] not in parent_items:
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parent_items.append([item.item_code, item.name])
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self.cleanup_raw_materials_supplied(parent_items, raw_material_table)
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elif self.doctype in ["Purchase Receipt", "Purchase Invoice"]:
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for item in self.get("items"):
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item.rm_supp_cost = 0.0
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if self.is_subcontracted == "No" and self.get("supplied_items"):
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self.set('supplied_items', [])
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def update_raw_materials_supplied(self, item, raw_material_table):
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bom_items = self.get_items_from_bom(item.item_code, item.bom)
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raw_materials_cost = 0
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for bom_item in bom_items:
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# check if exists
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exists = 0
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for d in self.get(raw_material_table):
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if d.main_item_code == item.item_code and d.rm_item_code == bom_item.item_code \
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and d.reference_name == item.name:
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rm, exists = d, 1
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break
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if not exists:
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rm = self.append(raw_material_table, {})
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required_qty = flt(bom_item.qty_consumed_per_unit) * flt(item.qty) * flt(item.conversion_factor)
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rm.reference_name = item.name
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rm.bom_detail_no = bom_item.name
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rm.main_item_code = item.item_code
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rm.rm_item_code = bom_item.item_code
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rm.stock_uom = bom_item.stock_uom
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rm.required_qty = required_qty
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rm.conversion_factor = item.conversion_factor
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if self.doctype in ["Purchase Receipt", "Purchase Invoice"]:
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rm.consumed_qty = required_qty
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rm.description = bom_item.description
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if item.batch_no and not rm.batch_no:
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rm.batch_no = item.batch_no
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# get raw materials rate
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if self.doctype == "Purchase Receipt":
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from erpnext.stock.utils import get_incoming_rate
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rm.rate = get_incoming_rate({
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"item_code": bom_item.item_code,
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"warehouse": self.supplier_warehouse,
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"posting_date": self.posting_date,
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"posting_time": self.posting_time,
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"qty": -1 * required_qty,
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"serial_no": rm.serial_no
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})
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if not rm.rate:
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rm.rate = get_valuation_rate(bom_item.item_code, self.supplier_warehouse,
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self.doctype, self.name, currency=self.company_currency)
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else:
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rm.rate = bom_item.rate
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rm.amount = required_qty * flt(rm.rate)
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raw_materials_cost += flt(rm.amount)
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if self.doctype in ("Purchase Receipt", "Purchase Invoice"):
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item.rm_supp_cost = raw_materials_cost
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def cleanup_raw_materials_supplied(self, parent_items, raw_material_table):
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"""Remove all those child items which are no longer present in main item table"""
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delete_list = []
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for d in self.get(raw_material_table):
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if [d.main_item_code, d.reference_name] not in parent_items:
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# mark for deletion from doclist
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delete_list.append(d)
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# delete from doclist
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if delete_list:
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rm_supplied_details = self.get(raw_material_table)
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self.set(raw_material_table, [])
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for d in rm_supplied_details:
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if d not in delete_list:
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self.append(raw_material_table, d)
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def get_items_from_bom(self, item_code, bom):
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bom_items = frappe.db.sql("""select t2.item_code,
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t2.qty / ifnull(t1.quantity, 1) as qty_consumed_per_unit,
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t2.rate, t2.stock_uom, t2.name, t2.description
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from `tabBOM` t1, `tabBOM Item` t2, tabItem t3
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where t2.parent = t1.name and t1.item = %s
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and t1.docstatus = 1 and t1.is_active = 1 and t1.name = %s
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and t2.item_code = t3.name and t3.is_stock_item = 1""", (item_code, bom), as_dict=1)
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if not bom_items:
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msgprint(_("Specified BOM {0} does not exist for Item {1}").format(bom, item_code), raise_exception=1)
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return bom_items
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@property
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def sub_contracted_items(self):
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if not hasattr(self, "_sub_contracted_items"):
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self._sub_contracted_items = []
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item_codes = list(set(item.item_code for item in
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self.get("items")))
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if item_codes:
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self._sub_contracted_items = [r[0] for r in frappe.db.sql("""select name
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from `tabItem` where name in (%s) and is_sub_contracted_item=1""" % \
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(", ".join((["%s"]*len(item_codes))),), item_codes)]
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return self._sub_contracted_items
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def set_qty_as_per_stock_uom(self):
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for d in self.get("items"):
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if d.meta.get_field("stock_qty"):
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if not d.conversion_factor:
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frappe.throw(_("Row {0}: Conversion Factor is mandatory").format(d.idx))
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d.stock_qty = flt(d.qty) * flt(d.conversion_factor)
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def validate_purchase_return(self):
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for d in self.get("items"):
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if self.is_return and flt(d.rejected_qty) != 0:
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frappe.throw(_("Row #{0}: Rejected Qty can not be entered in Purchase Return").format(d.idx))
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# validate rate with ref PR
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def validate_rejected_warehouse(self):
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for d in self.get("items"):
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if flt(d.rejected_qty) and not d.rejected_warehouse:
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if self.rejected_warehouse:
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d.rejected_warehouse = self.rejected_warehouse
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if not d.rejected_warehouse:
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frappe.throw(_("Row #{0}: Rejected Warehouse is mandatory against rejected Item {1}").format(d.idx, d.item_code))
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# validate accepted and rejected qty
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def validate_accepted_rejected_qty(self):
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for d in self.get("items"):
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self.validate_negative_quantity(d, ["received_qty","qty", "rejected_qty"])
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if not flt(d.received_qty) and flt(d.qty):
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d.received_qty = flt(d.qty) - flt(d.rejected_qty)
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elif not flt(d.qty) and flt(d.rejected_qty):
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d.qty = flt(d.received_qty) - flt(d.rejected_qty)
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elif not flt(d.rejected_qty):
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d.rejected_qty = flt(d.received_qty) - flt(d.qty)
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# Check Received Qty = Accepted Qty + Rejected Qty
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if ((flt(d.qty) + flt(d.rejected_qty)) != flt(d.received_qty)):
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frappe.throw(_("Accepted + Rejected Qty must be equal to Received quantity for Item {0}").format(d.item_code))
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def validate_negative_quantity(self, item_row, field_list):
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if self.is_return:
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return
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item_row = item_row.as_dict()
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for fieldname in field_list:
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if flt(item_row[fieldname]) < 0:
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frappe.throw(_("Row #{0}: {1} can not be negative for item {2}".format(item_row['idx'],
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frappe.get_meta(item_row.doctype).get_label(fieldname), item_row['item_code'])))
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def update_stock_ledger(self, allow_negative_stock=False, via_landed_cost_voucher=False):
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self.update_ordered_qty()
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sl_entries = []
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stock_items = self.get_stock_items()
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for d in self.get('items'):
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if d.item_code in stock_items and d.warehouse:
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pr_qty = flt(d.qty) * flt(d.conversion_factor)
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if pr_qty:
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sle = self.get_sl_entries(d, {
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"actual_qty": flt(pr_qty),
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"serial_no": cstr(d.serial_no).strip()
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})
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if self.is_return:
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original_incoming_rate = frappe.db.get_value("Stock Ledger Entry",
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{"voucher_type": "Purchase Receipt", "voucher_no": self.return_against,
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"item_code": d.item_code}, "incoming_rate")
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sle.update({
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"outgoing_rate": original_incoming_rate
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})
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else:
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val_rate_db_precision = 6 if cint(self.precision("valuation_rate", d)) <= 6 else 9
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incoming_rate = flt(d.valuation_rate, val_rate_db_precision)
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sle.update({
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"incoming_rate": incoming_rate
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})
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sl_entries.append(sle)
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if flt(d.rejected_qty) != 0:
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sl_entries.append(self.get_sl_entries(d, {
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"warehouse": d.rejected_warehouse,
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"actual_qty": flt(d.rejected_qty) * flt(d.conversion_factor),
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"serial_no": cstr(d.rejected_serial_no).strip(),
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"incoming_rate": 0.0
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}))
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self.make_sl_entries_for_supplier_warehouse(sl_entries)
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self.make_sl_entries(sl_entries, allow_negative_stock=allow_negative_stock,
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via_landed_cost_voucher=via_landed_cost_voucher)
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def update_ordered_qty(self):
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po_map = {}
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for d in self.get("items"):
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if self.doctype=="Purchase Receipt" \
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and d.purchase_order:
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po_map.setdefault(d.purchase_order, []).append(d.purchase_order_item)
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elif self.doctype=="Purchase Invoice" and d.purchase_order and d.po_detail:
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po_map.setdefault(d.purchase_order, []).append(d.po_detail)
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for po, po_item_rows in po_map.items():
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if po and po_item_rows:
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po_obj = frappe.get_doc("Purchase Order", po)
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if po_obj.status in ["Closed", "Cancelled"]:
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frappe.throw(_("{0} {1} is cancelled or closed").format(_("Purchase Order"), po),
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frappe.InvalidStatusError)
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po_obj.update_ordered_qty(po_item_rows)
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def make_sl_entries_for_supplier_warehouse(self, sl_entries):
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if hasattr(self, 'supplied_items'):
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for d in self.get('supplied_items'):
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# negative quantity is passed, as raw material qty has to be decreased
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# when PR is submitted and it has to be increased when PR is cancelled
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sl_entries.append(self.get_sl_entries(d, {
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"item_code": d.rm_item_code,
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"warehouse": self.supplier_warehouse,
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"actual_qty": -1*flt(d.consumed_qty),
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}))
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