320 lines
12 KiB
Python
320 lines
12 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 webnotes
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from webnotes import _, msgprint
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from webnotes.utils import flt, _round
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from erpnext.buying.utils import get_item_details
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from erpnext.setup.utils import get_company_currency
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from erpnext.controllers.stock_controller import StockController
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class BuyingController(StockController):
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def onload_post_render(self):
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# contact, address, item details
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self.set_missing_values()
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def validate(self):
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super(BuyingController, self).validate()
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if self.doc.supplier and not self.doc.supplier_name:
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self.doc.supplier_name = webnotes.conn.get_value("Supplier",
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self.doc.supplier, "supplier_name")
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self.is_item_table_empty()
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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 self.doc.supplier and not (self.doc.contact_person and self.doc.supplier_address):
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for fieldname, val in self.get_supplier_defaults().items():
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if not self.doc.fields.get(fieldname) and self.meta.get_field(fieldname):
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self.doc.fields[fieldname] = val
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self.set_missing_item_details(get_item_details)
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if self.doc.fields.get("__islocal"):
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self.set_taxes("other_charges", "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.doc.supplier:
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for d in self.doclist.get({"doctype": self.tname}):
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supplier = webnotes.conn.get_value("Item", d.item_code, "default_supplier")
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if supplier:
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self.doc.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.doclist.get({"doctype": self.tname}) if d.warehouse]))
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for w in warehouses:
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validate_warehouse_company(w, self.doc.company)
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def validate_stock_or_nonstock_items(self):
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if not self.get_stock_items():
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tax_for_valuation = [d.account_head for d in
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self.doclist.get({"parentfield": "other_charges"})
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if d.category in ["Valuation", "Valuation and Total"]]
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if tax_for_valuation:
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webnotes.msgprint(_("""Tax Category can not be 'Valuation' or 'Valuation and Total' as all items are non-stock items"""), raise_exception=1)
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def set_total_in_words(self):
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from webnotes.utils import money_in_words
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company_currency = get_company_currency(self.doc.company)
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if self.meta.get_field("in_words"):
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self.doc.in_words = money_in_words(self.doc.grand_total, company_currency)
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if self.meta.get_field("in_words_import"):
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self.doc.in_words_import = money_in_words(self.doc.grand_total_import,
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self.doc.currency)
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def calculate_taxes_and_totals(self):
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self.other_fname = "other_charges"
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super(BuyingController, self).calculate_taxes_and_totals()
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self.calculate_total_advance("Purchase Invoice", "advance_allocation_details")
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def calculate_item_values(self):
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# hack! - cleaned up in _cleanup()
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if self.doc.doctype != "Purchase Invoice":
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df = self.meta.get_field("purchase_rate", parentfield=self.fname)
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df.fieldname = "rate"
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for item in self.item_doclist:
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# hack! - cleaned up in _cleanup()
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if self.doc.doctype != "Purchase Invoice":
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item.rate = item.purchase_rate
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self.round_floats_in(item)
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if item.discount_rate == 100.0:
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item.import_rate = 0.0
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elif not item.import_rate:
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item.import_rate = flt(item.import_ref_rate * (1.0 - (item.discount_rate / 100.0)),
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self.precision("import_rate", item))
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item.import_amount = flt(item.import_rate * item.qty,
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self.precision("import_amount", item))
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item.item_tax_amount = 0.0;
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self._set_in_company_currency(item, "import_amount", "amount")
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self._set_in_company_currency(item, "import_ref_rate", "purchase_ref_rate")
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self._set_in_company_currency(item, "import_rate", "rate")
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def calculate_net_total(self):
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self.doc.net_total = self.doc.net_total_import = 0.0
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for item in self.item_doclist:
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self.doc.net_total += item.amount
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self.doc.net_total_import += item.import_amount
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self.round_floats_in(self.doc, ["net_total", "net_total_import"])
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def calculate_totals(self):
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self.doc.grand_total = flt(self.tax_doclist[-1].total if self.tax_doclist
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else self.doc.net_total, self.precision("grand_total"))
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self.doc.grand_total_import = flt(self.doc.grand_total / self.doc.conversion_rate,
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self.precision("grand_total_import"))
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self.doc.total_tax = flt(self.doc.grand_total - self.doc.net_total,
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self.precision("total_tax"))
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if self.meta.get_field("rounded_total"):
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self.doc.rounded_total = _round(self.doc.grand_total)
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if self.meta.get_field("rounded_total_import"):
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self.doc.rounded_total_import = _round(self.doc.grand_total_import)
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if self.meta.get_field("other_charges_added"):
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self.doc.other_charges_added = flt(sum([flt(d.tax_amount) for d in self.tax_doclist
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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.doc.other_charges_deducted = flt(sum([flt(d.tax_amount) for d in self.tax_doclist
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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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if self.meta.get_field("other_charges_added_import"):
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self.doc.other_charges_added_import = flt(self.doc.other_charges_added /
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self.doc.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.doc.other_charges_deducted_import = flt(self.doc.other_charges_deducted /
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self.doc.conversion_rate, self.precision("other_charges_deducted_import"))
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def calculate_outstanding_amount(self):
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if self.doc.doctype == "Purchase Invoice" and self.doc.docstatus < 2:
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self.doc.total_advance = flt(self.doc.total_advance,
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self.precision("total_advance"))
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self.doc.total_amount_to_pay = flt(self.doc.grand_total - flt(self.doc.write_off_amount,
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self.precision("write_off_amount")), self.precision("total_amount_to_pay"))
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self.doc.outstanding_amount = flt(self.doc.total_amount_to_pay - self.doc.total_advance,
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self.precision("outstanding_amount"))
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def _cleanup(self):
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super(BuyingController, self)._cleanup()
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# except in purchase invoice, rate field is purchase_rate
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# reset fieldname of rate
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if self.doc.doctype != "Purchase Invoice":
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df = self.meta.get_field("rate", parentfield=self.fname)
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df.fieldname = "purchase_rate"
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for item in self.item_doclist:
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item.purchase_rate = item.rate
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del item.fields["rate"]
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if not self.meta.get_field("item_tax_amount", parentfield=self.fname):
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for item in self.item_doclist:
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del item.fields["item_tax_amount"]
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if not self.meta.get_field("tax_amount_after_discount_amount",
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parentfield=self.other_fname):
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for tax in self.tax_doclist:
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del tax.fields["tax_amount_after_discount_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.doclist.get({"parentfield": 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.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.doclist.get({"parentfield": "other_charges"})
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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.doclist.get({"parentfield": 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.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 = item.conversion_factor or flt(webnotes.conn.get_value(
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"UOM Conversion Detail", {"parent": item.item_code, "uom": item.uom},
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"conversion_factor")) or 1
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qty_in_stock_uom = flt(item.qty * item.conversion_factor)
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item.valuation_rate = ((item.amount + item.item_tax_amount + item.rm_supp_cost)
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/ 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.doc.is_subcontracted and self.sub_contracted_items:
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webnotes.msgprint(_("""Please enter whether %s is made for subcontracting or purchasing,
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in 'Is Subcontracted' field""" % self.doc.doctype), raise_exception=1)
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if self.doc.doctype == "Purchase Receipt" and self.doc.is_subcontracted=="Yes" \
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and not self.doc.supplier_warehouse:
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webnotes.msgprint(_("Supplier Warehouse mandatory subcontracted purchase receipt"),
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raise_exception=1)
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def update_raw_materials_supplied(self, raw_material_table):
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self.doclist = self.doc.clear_table(self.doclist, raw_material_table)
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if self.doc.is_subcontracted=="Yes":
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for item in self.doclist.get({"parentfield": self.fname}):
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if item.item_code in self.sub_contracted_items:
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self.add_bom_items(item, raw_material_table)
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def add_bom_items(self, d, raw_material_table):
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bom_items = self.get_items_from_default_bom(d.item_code)
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raw_materials_cost = 0
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for item in bom_items:
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required_qty = flt(item.qty_consumed_per_unit) * flt(d.qty) * flt(d.conversion_factor)
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rm_doclist = {
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"parentfield": raw_material_table,
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"doctype": self.doc.doctype + " Item Supplied",
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"reference_name": d.name,
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"bom_detail_no": item.name,
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"main_item_code": d.item_code,
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"rm_item_code": item.item_code,
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"stock_uom": item.stock_uom,
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"required_qty": required_qty,
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"conversion_factor": d.conversion_factor,
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"rate": item.rate,
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"amount": required_qty * flt(item.rate)
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}
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if self.doc.doctype == "Purchase Receipt":
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rm_doclist.update({
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"consumed_qty": required_qty,
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"description": item.description,
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})
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self.doclist.append(rm_doclist)
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raw_materials_cost += required_qty * flt(item.rate)
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if self.doc.doctype == "Purchase Receipt":
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d.rm_supp_cost = raw_materials_cost
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def get_items_from_default_bom(self, item_code):
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# print webnotes.conn.sql("""select name from `tabBOM` where item = '_Test FG Item'""")
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bom_items = webnotes.conn.sql("""select t2.item_code, t2.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 and t1.is_default = 1
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and t1.docstatus = 1 and t1.is_active = 1""", item_code, as_dict=1)
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if not bom_items:
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msgprint(_("No default BOM exists for item: ") + 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.doclist.get({"parentfield": self.fname})))
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if item_codes:
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self._sub_contracted_items = [r[0] for r in webnotes.conn.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.doclist.get({"parentfield": self.fname})))
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if item_codes:
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self._purchase_items = [r[0] for r in webnotes.conn.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.doclist.get({"parentfield": self.fname})):
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webnotes.throw(_("Item table can not be blank")) |