284 lines
11 KiB
Python
284 lines
11 KiB
Python
# ERPNext - web based ERP (http://erpnext.com)
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# Copyright (C) 2012 Web Notes Technologies Pvt Ltd
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from __future__ import unicode_literals
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import webnotes
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from webnotes.utils import cint, flt, comma_or
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from setup.utils import get_company_currency
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from selling.utils import get_item_details
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from webnotes import msgprint, _
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from controllers.stock_controller import StockController
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class SellingController(StockController):
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def onload_post_render(self):
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# contact, address, item details and pos details (if applicable)
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self.set_missing_values()
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self.set_taxes("other_charges", "charge")
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def set_missing_values(self, for_validate=False):
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super(SellingController, self).set_missing_values(for_validate)
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# set contact and address details for customer, if they are not mentioned
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self.set_missing_lead_customer_details()
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self.set_price_list_and_item_details()
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def set_missing_lead_customer_details(self):
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if self.doc.customer:
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if not (self.doc.contact_person and self.doc.customer_address and self.doc.customer_name):
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for fieldname, val in self.get_customer_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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elif self.doc.lead:
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if not (self.doc.customer_address and self.doc.customer_name and \
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self.doc.contact_display):
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for fieldname, val in self.get_lead_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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def set_price_list_and_item_details(self):
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self.set_price_list_currency("Selling")
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self.set_missing_item_details(get_item_details)
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def get_other_charges(self):
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self.doclist = self.doc.clear_table(self.doclist, "other_charges")
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self.set_taxes("other_charges", "charge")
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def apply_shipping_rule(self):
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if self.doc.shipping_rule:
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shipping_rule = webnotes.bean("Shipping Rule", self.doc.shipping_rule)
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value = self.doc.net_total
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# TODO
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# shipping rule calculation based on item's net weight
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shipping_amount = 0.0
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for condition in shipping_rule.doclist.get({"parentfield": "shipping_rule_conditions"}):
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if not condition.to_value or (flt(condition.from_value) <= value <= flt(condition.to_value)):
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shipping_amount = condition.shipping_amount
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break
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self.doclist.append({
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"doctype": "Sales Taxes and Charges",
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"parentfield": "other_charges",
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"charge_type": "Actual",
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"account_head": shipping_rule.doc.account,
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"cost_center": shipping_rule.doc.cost_center,
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"description": shipping_rule.doc.label,
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"rate": shipping_amount
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})
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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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disable_rounded_total = cint(webnotes.conn.get_value("Global Defaults", None,
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"disable_rounded_total"))
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if self.meta.get_field("in_words"):
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self.doc.in_words = money_in_words(disable_rounded_total and
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self.doc.grand_total or self.doc.rounded_total, company_currency)
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if self.meta.get_field("in_words_export"):
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self.doc.in_words_export = money_in_words(disable_rounded_total and
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self.doc.grand_total_export or self.doc.rounded_total_export, self.doc.currency)
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def set_buying_amount(self, stock_ledger_entries = None):
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from stock.utils import get_buying_amount
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if not stock_ledger_entries:
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stock_ledger_entries = self.get_stock_ledger_entries()
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item_sales_bom = {}
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for d in self.doclist.get({"parentfield": "packing_details"}):
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new_d = webnotes._dict(d.fields.copy())
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new_d.total_qty = -1 * d.qty
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item_sales_bom.setdefault(d.parent_item, []).append(new_d)
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if stock_ledger_entries:
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for item in self.doclist.get({"parentfield": self.fname}):
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if item.item_code in self.stock_items or \
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(item_sales_bom and item_sales_bom.get(item.item_code)):
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buying_amount = get_buying_amount(item.item_code, item.warehouse, -1*item.qty,
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self.doc.doctype, self.doc.name, item.name, stock_ledger_entries,
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item_sales_bom)
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item.buying_amount = buying_amount >= 0.01 and buying_amount or 0
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webnotes.conn.set_value(item.doctype, item.name, "buying_amount",
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item.buying_amount)
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def check_expense_account(self, item):
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if item.buying_amount and not item.expense_account:
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msgprint(_("""Expense account is mandatory for item: """) + item.item_code,
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raise_exception=1)
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if item.buying_amount and not item.cost_center:
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msgprint(_("""Cost Center is mandatory for item: """) + item.item_code,
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raise_exception=1)
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def calculate_taxes_and_totals(self):
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self.other_fname = "other_charges"
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super(SellingController, self).calculate_taxes_and_totals()
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self.calculate_total_advance("Sales Invoice", "advance_adjustment_details")
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self.calculate_commission()
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self.calculate_contribution()
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def determine_exclusive_rate(self):
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if not any((cint(tax.included_in_print_rate) for tax in self.tax_doclist)):
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# no inclusive tax
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return
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for item in self.item_doclist:
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item_tax_map = self._load_item_tax_rate(item.item_tax_rate)
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cumulated_tax_fraction = 0
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for i, tax in enumerate(self.tax_doclist):
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tax.tax_fraction_for_current_item = self.get_current_tax_fraction(tax, item_tax_map)
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if i==0:
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tax.grand_total_fraction_for_current_item = 1 + tax.tax_fraction_for_current_item
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else:
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tax.grand_total_fraction_for_current_item = \
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self.tax_doclist[i-1].grand_total_fraction_for_current_item \
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+ tax.tax_fraction_for_current_item
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cumulated_tax_fraction += tax.tax_fraction_for_current_item
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if cumulated_tax_fraction:
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item.basic_rate = flt((item.export_rate * self.doc.conversion_rate) /
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(1 + cumulated_tax_fraction), self.precision("basic_rate", item))
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item.amount = flt(item.basic_rate * item.qty, self.precision("amount", item))
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if item.adj_rate == 100:
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item.base_ref_rate = item.basic_rate
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item.basic_rate = 0.0
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else:
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item.base_ref_rate = flt(item.basic_rate / (1 - (item.adj_rate / 100.0)),
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self.precision("base_ref_rate", item))
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def get_current_tax_fraction(self, tax, item_tax_map):
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"""
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Get tax fraction for calculating tax exclusive amount
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from tax inclusive amount
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"""
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current_tax_fraction = 0
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if cint(tax.included_in_print_rate):
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tax_rate = self._get_tax_rate(tax, item_tax_map)
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if tax.charge_type == "On Net Total":
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current_tax_fraction = tax_rate / 100.0
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elif tax.charge_type == "On Previous Row Amount":
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current_tax_fraction = (tax_rate / 100.0) * \
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self.tax_doclist[cint(tax.row_id) - 1].tax_fraction_for_current_item
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elif tax.charge_type == "On Previous Row Total":
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current_tax_fraction = (tax_rate / 100.0) * \
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self.tax_doclist[cint(tax.row_id) - 1].grand_total_fraction_for_current_item
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return current_tax_fraction
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def calculate_item_values(self):
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for item in self.item_doclist:
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self.round_floats_in(item)
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if item.adj_rate == 100:
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item.export_rate = 0
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elif item.ref_rate:
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item.export_rate = flt(item.ref_rate * (1.0 - (item.adj_rate / 100.0)),
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self.precision("export_rate", item))
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item.export_amount = flt(item.export_rate * item.qty,
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self.precision("export_amount", item))
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self._set_in_company_currency(item, "ref_rate", "base_ref_rate")
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self._set_in_company_currency(item, "export_rate", "basic_rate")
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self._set_in_company_currency(item, "export_amount", "amount")
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def calculate_net_total(self):
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self.doc.net_total = self.doc.net_total_export = 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_export += item.export_amount
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self.round_floats_in(self.doc, ["net_total", "net_total_export"])
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def calculate_totals(self):
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self.doc.grand_total = flt(self.tax_doclist and \
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self.tax_doclist[-1].total or self.doc.net_total, self.precision("grand_total"))
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self.doc.grand_total_export = flt(self.doc.grand_total / self.doc.conversion_rate,
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self.precision("grand_total_export"))
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self.doc.other_charges_total = flt(self.doc.grand_total - self.doc.net_total,
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self.precision("other_charges_total"))
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self.doc.other_charges_total_export = flt(self.doc.grand_total_export - self.doc.net_total_export,
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self.precision("other_charges_total_export"))
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self.doc.rounded_total = round(self.doc.grand_total)
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self.doc.rounded_total_export = round(self.doc.grand_total_export)
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def calculate_outstanding_amount(self):
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# NOTE:
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# write_off_amount is only for POS Invoice
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# total_advance is only for non POS Invoice
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if self.doc.doctype == "Sales Invoice" and self.doc.docstatus < 2:
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self.round_floats_in(self.doc, ["grand_total", "total_advance", "write_off_amount",
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"paid_amount"])
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total_amount_to_pay = self.doc.grand_total - self.doc.write_off_amount
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self.doc.outstanding_amount = flt(total_amount_to_pay - self.doc.total_advance - self.doc.paid_amount,
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self.precision("outstanding_amount"))
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def calculate_commission(self):
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if self.meta.get_field("commission_rate"):
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self.round_floats_in(self.doc, ["net_total", "commission_rate"])
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if self.doc.commission_rate > 100.0:
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msgprint(_(self.meta.get_label("commission_rate")) + " " +
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_("cannot be greater than 100"), raise_exception=True)
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self.doc.total_commission = flt(self.doc.net_total * self.doc.commission_rate / 100.0,
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self.precision("total_commission"))
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def calculate_contribution(self):
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total = 0.0
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sales_team = self.doclist.get({"parentfield": "sales_team"})
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for sales_person in sales_team:
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self.round_floats_in(sales_person)
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sales_person.allocated_amount = flt(
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self.doc.net_total * sales_person.allocated_percentage / 100.0,
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self.precision("allocated_amount", sales_person))
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total += sales_person.allocated_percentage
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if sales_team and total != 100.0:
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msgprint(_("Total") + " " +
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_(self.meta.get_label("allocated_percentage", parentfield="sales_team")) +
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" " + _("should be 100%"), raise_exception=True)
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def validate_order_type(self):
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valid_types = ["Sales", "Maintenance", "Shopping Cart"]
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if not self.doc.order_type:
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self.doc.order_type = "Sales"
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elif self.doc.order_type not in valid_types:
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msgprint(_(self.meta.get_label("order_type")) + " " +
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_("must be one of") + ": " + comma_or(valid_types),
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raise_exception=True)
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