372 lines
13 KiB
Python
372 lines
13 KiB
Python
# Copyright (c) 2013, Web Notes 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, rounded
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from erpnext.setup.utils import get_company_currency
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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.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, "items"):
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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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return _("From {0} | {1} {2}").format(self.supplier_name, self.currency,
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self.grand_total_import)
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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",
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self.supplier, "supplier_name")
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self.is_item_table_empty()
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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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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"))
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self.set_missing_item_details()
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if self.get("__islocal"):
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self.set_taxes("taxes", "taxes_and_charges")
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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_warehouse(self):
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from erpnext.stock.utils import validate_warehouse_company
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warehouses = list(set([d.warehouse for d in
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self.get("items") if getattr(d, "warehouse", None)]))
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for w in warehouses:
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validate_warehouse_company(w, self.company)
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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_total_in_words(self):
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from frappe.utils import money_in_words
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company_currency = get_company_currency(self.company)
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if self.meta.get_field("in_words"):
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self.in_words = money_in_words(self.grand_total, company_currency)
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if self.meta.get_field("in_words_import"):
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self.in_words_import = money_in_words(self.grand_total_import,
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self.currency)
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def calculate_taxes_and_totals(self):
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super(BuyingController, self).calculate_taxes_and_totals()
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self.calculate_total_advance("Purchase Invoice", "advances")
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def calculate_item_values(self):
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for item in self.get("items"):
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self.round_floats_in(item)
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if item.discount_percentage == 100.0:
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item.rate = 0.0
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elif not item.rate:
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item.rate = flt(item.price_list_rate * (1.0 - (item.discount_percentage / 100.0)),
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self.precision("rate", item))
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item.amount = flt(item.rate * item.qty, self.precision("amount", item))
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item.item_tax_amount = 0.0;
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self._set_in_company_currency(item, "amount", "base_amount")
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self._set_in_company_currency(item, "price_list_rate", "base_price_list_rate")
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self._set_in_company_currency(item, "rate", "base_rate")
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def calculate_net_total(self):
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self.net_total = self.net_total_import = 0.0
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for item in self.get("items"):
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self.net_total += item.base_amount
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self.net_total_import += item.amount
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self.round_floats_in(self, ["net_total", "net_total_import"])
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def calculate_totals(self):
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self.grand_total = flt(self.get("taxes")[-1].total if self.get("taxes") else self.net_total)
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self.total_tax = flt(self.grand_total - self.net_total, self.precision("total_tax"))
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self.grand_total = flt(self.grand_total, self.precision("grand_total"))
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if self.meta.get_field("rounded_total"):
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self.rounded_total = rounded(self.grand_total)
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if self.meta.get_field("other_charges_added"):
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self.other_charges_added = flt(sum([flt(d.tax_amount) for d in self.get("taxes")
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if d.add_deduct_tax=="Add" and d.category in ["Valuation and Total", "Total"]]),
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self.precision("other_charges_added"))
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if self.meta.get_field("other_charges_deducted"):
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self.other_charges_deducted = flt(sum([flt(d.tax_amount) for d in self.get("taxes")
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if d.add_deduct_tax=="Deduct" and d.category in ["Valuation and Total", "Total"]]),
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self.precision("other_charges_deducted"))
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self.grand_total_import = flt(self.grand_total / self.conversion_rate) \
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if (self.other_charges_added or self.other_charges_deducted) else self.net_total_import
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self.grand_total_import = flt(self.grand_total_import, self.precision("grand_total_import"))
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if self.meta.get_field("rounded_total_import"):
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self.rounded_total_import = rounded(self.grand_total_import)
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if self.meta.get_field("other_charges_added_import"):
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self.other_charges_added_import = flt(self.other_charges_added /
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self.conversion_rate, self.precision("other_charges_added_import"))
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if self.meta.get_field("other_charges_deducted_import"):
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self.other_charges_deducted_import = flt(self.other_charges_deducted /
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self.conversion_rate, self.precision("other_charges_deducted_import"))
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def calculate_outstanding_amount(self):
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if self.doctype == "Purchase Invoice" and self.docstatus == 0:
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self.total_advance = flt(self.total_advance,
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self.precision("total_advance"))
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self.total_amount_to_pay = flt(self.grand_total - flt(self.write_off_amount,
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self.precision("write_off_amount")), self.precision("total_amount_to_pay"))
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self.outstanding_amount = flt(self.total_amount_to_pay - self.total_advance,
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self.precision("outstanding_amount"))
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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_amount)
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last_stock_item_idx = d.idx
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total_valuation_amount = sum([flt(d.tax_amount) for d in
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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_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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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=="Purchase Receipt" else 0.0
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landed_cost_voucher_amount = flt(item.landed_cost_voucher_amount) \
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if self.doctype == "Purchase Receipt" else 0.0
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item.valuation_rate = ((item.base_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 == "Purchase Receipt" 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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rm_supplied_idx = 0
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for item in self.get("items"):
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if self.doctype == "Purchase Receipt":
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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, rm_supplied_idx)
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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 == "Purchase Receipt":
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for item in self.get("items"):
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item.rm_supp_cost = 0.0
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def update_raw_materials_supplied(self, item, raw_material_table, rm_supplied_idx):
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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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rm.idx = rm_supplied_idx
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if self.doctype == "Purchase Receipt":
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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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rm_supplied_idx += 1
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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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from erpnext.stock.stock_ledger import get_valuation_rate
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rm.rate = get_valuation_rate(bom_item.item_code, self.supplier_warehouse)
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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 == "Purchase Receipt":
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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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ifnull(t2.qty, 0) / 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
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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""", (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='Yes'""" % \
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(", ".join((["%s"]*len(item_codes))),), item_codes)]
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return self._sub_contracted_items
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@property
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def purchase_items(self):
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if not hasattr(self, "_purchase_items"):
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self._purchase_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._purchase_items = [r[0] for r in frappe.db.sql("""select name
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from `tabItem` where name in (%s) and is_purchase_item='Yes'""" % \
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(", ".join((["%s"]*len(item_codes))),), item_codes)]
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return self._purchase_items
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def is_item_table_empty(self):
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if not len(self.get("items")):
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frappe.throw(_("Item table can not be blank"))
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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") and not d.stock_qty:
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if not d.conversion_factor:
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frappe.throw(_("Row {0}: Conversion Factor is mandatory"))
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d.stock_qty = flt(d.qty) * flt(d.conversion_factor)
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