# ERPNext - web based ERP (http://erpnext.com) # Copyright (C) 2012 Web Notes Technologies Pvt Ltd # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . from __future__ import unicode_literals import webnotes from webnotes import _, msgprint from webnotes.utils import flt, cint from setup.utils import get_company_currency, get_price_list_currency from utilities.transaction_base import TransactionBase, validate_conversion_rate import json class AccountsController(TransactionBase): def validate(self): self.set_missing_values(for_validate=True) if self.meta.get_field("currency"): self.company_currency = get_company_currency(self.doc.company) validate_conversion_rate(self.doc.currency, self.doc.conversion_rate, self.meta.get_label("conversion_rate"), self.doc.company) self.calculate_taxes_and_totals() self.validate_value("grand_total", ">=", 0) self.set_total_in_words() def set_price_list_currency(self, buying_or_selling): # TODO - change this, since price list now has only one currency allowed if self.meta.get_field("price_list_name") and self.doc.price_list_name and \ not self.doc.price_list_currency: self.doc.fields.update(get_price_list_currency({ "price_list_name": self.doc.price_list_name, "use_for": buying_or_selling })) def set_missing_item_details(self, get_item_details): """set missing item values""" for item in self.doclist.get({"parentfield": self.fname}): if item.fields.get("item_code"): args = item.fields.copy().update(self.doc.fields) ret = get_item_details(args) for fieldname, value in ret.items(): if self.meta.get_field(fieldname, parentfield=self.fname) and \ not item.fields.get(fieldname): item.fields[fieldname] = value def set_taxes(self, tax_doctype, tax_parentfield, tax_master_field): if not self.meta.get_field(tax_parentfield): return if not self.doclist.get({"parentfield": tax_parentfield}): if not self.doc.fields.get(tax_master_field): # get the default tax master self.doc.fields[tax_master_field] = \ webnotes.conn.get_value(tax_doctype + " Master", {"is_default": 1}) if self.doc.fields.get(tax_master_field): from webnotes.model import default_fields tax_master = webnotes.bean(tax_doctype, self.doc.fields.get(tax_master_field)) for i, tax in enumerate(tax_master.doclist.get({"parentfield": tax_parentfield})): for fieldname in default_fields: tax.fields[fieldname] = None tax.fields.update({ "doctype": tax_doctype, "parentfield": tax_parentfield, "idx": i+1 }) self.doclist.append(tax) def calculate_taxes_and_totals(self): self.doc.conversion_rate = flt(self.doc.conversion_rate) self.item_doclist = self.doclist.get({"parentfield": self.fname}) self.tax_doclist = self.doclist.get({"parentfield": self.other_fname}) self.calculate_item_values() self.initialize_taxes() if hasattr(self, "determine_exclusive_rate"): self.determine_exclusive_rate() self.calculate_net_total() self.calculate_taxes() self.calculate_totals() self._cleanup() # TODO # print format: show net_total_export instead of net_total def initialize_taxes(self): for tax in self.tax_doclist: tax.item_wise_tax_detail = {} for fieldname in ["tax_amount", "total", "tax_amount_for_current_item", "grand_total_for_current_item", "tax_fraction_for_current_item", "grand_total_fraction_for_current_item"]: tax.fields[fieldname] = 0.0 self.validate_on_previous_row(tax) self.validate_inclusive_tax(tax) self.round_floats_in(tax) def validate_on_previous_row(self, tax): """ validate if a valid row id is mentioned in case of On Previous Row Amount and On Previous Row Total """ if tax.charge_type in ["On Previous Row Amount", "On Previous Row Total"] and \ (not tax.row_id or cint(tax.row_id) >= tax.idx): msgprint((_("Row") + " # %(idx)s [%(taxes_doctype)s]: " + \ _("Please specify a valid") + " %(row_id_label)s") % { "idx": tax.idx, "taxes_doctype": tax.doctype, "row_id_label": self.meta.get_label("row_id", parentfield=self.other_fname) }, raise_exception=True) def validate_inclusive_tax(self, tax): def _on_previous_row_error(row_range): msgprint((_("Row") + " # %(idx)s [%(doctype)s]: " + _("to be included in Item's rate, it is required that: ") + " [" + _("Row") + " # %(row_range)s] " + _("also be included in Item's rate")) % { "idx": tax.idx, "doctype": tax.doctype, "inclusive_label": self.meta.get_label("included_in_print_rate", parentfield=self.other_fname), "charge_type_label": self.meta.get_label("charge_type", parentfield=self.other_fname), "charge_type": tax.charge_type, "row_range": row_range }, raise_exception=True) if cint(tax.included_in_print_rate): if tax.charge_type == "Actual": # inclusive tax cannot be of type Actual msgprint((_("Row") + " # %(idx)s [%(doctype)s]: %(charge_type_label)s = \"%(charge_type)s\" " + "cannot be included in Item's rate") % { "idx": tax.idx, "doctype": tax.doctype, "charge_type_label": self.meta.get_label("charge_type", parentfield=self.other_fname), "charge_type": tax.charge_type, }, raise_exception=True) elif tax.charge_type == "On Previous Row Amount" and \ not cint(self.tax_doclist[tax.row_id - 1].included_in_print_rate): # referred row should also be inclusive _on_previous_row_error(tax.row_id) elif tax.charge_type == "On Previous Row Total" and \ not all([cint(t.included_in_print_rate) for t in self.tax_doclist[:tax.row_id - 1]]): # all rows about the reffered tax should be inclusive _on_previous_row_error("1 - %d" % (tax.row_id,)) def calculate_taxes(self): for item in self.item_doclist: item_tax_map = self._load_item_tax_rate(item.item_tax_rate) for i, tax in enumerate(self.tax_doclist): # tax_amount represents the amount of tax for the current step current_tax_amount = self.get_current_tax_amount(item, tax, item_tax_map) if hasattr(self, "set_item_tax_amount"): self.set_item_tax_amount(item, tax, current_tax_amount) # case when net total is 0 but there is an actual type charge # in this case add the actual amount to tax.tax_amount # and tax.grand_total_for_current_item for the first such iteration if tax.charge_type=="Actual" and \ not (current_tax_amount or self.doc.net_total or tax.tax_amount): zero_net_total_adjustment = flt(tax.rate, self.precision("tax_amount", tax)) current_tax_amount += zero_net_total_adjustment # store tax_amount for current item as it will be used for # charge type = 'On Previous Row Amount' tax.tax_amount_for_current_item = current_tax_amount # accumulate tax amount into tax.tax_amount tax.tax_amount += current_tax_amount if tax.category: # if just for valuation, do not add the tax amount in total # hence, setting it as 0 for further steps current_tax_amount = 0.0 if (tax.category == "Valuation") else current_tax_amount current_tax_amount *= -1.0 if (tax.add_deduct_tax == "Deduct") else 1.0 # Calculate tax.total viz. grand total till that step # note: grand_total_for_current_item contains the contribution of # item's amount, previously applied tax and the current tax on that item if i==0: tax.grand_total_for_current_item = flt(item.amount + current_tax_amount, self.precision("total", tax)) else: tax.grand_total_for_current_item = \ flt(self.tax_doclist[i-1].grand_total_for_current_item + current_tax_amount, self.precision("total", tax)) # in tax.total, accumulate grand total of each item tax.total += tax.grand_total_for_current_item def get_current_tax_amount(self, item, tax, item_tax_map): tax_rate = self._get_tax_rate(tax, item_tax_map) current_tax_amount = 0.0 if tax.charge_type == "Actual": # distribute the tax amount proportionally to each item row actual = flt(tax.rate, self.precision("tax_amount", tax)) current_tax_amount = (self.doc.net_total and ((item.amount / self.doc.net_total) * actual) or 0) elif tax.charge_type == "On Net Total": current_tax_amount = (tax_rate / 100.0) * item.amount elif tax.charge_type == "On Previous Row Amount": current_tax_amount = (tax_rate / 100.0) * \ self.tax_doclist[cint(tax.row_id) - 1].tax_amount_for_current_item elif tax.charge_type == "On Previous Row Total": current_tax_amount = (tax_rate / 100.0) * \ self.tax_doclist[cint(tax.row_id) - 1].grand_total_for_current_item current_tax_amount = flt(current_tax_amount, self.precision("tax_amount", tax)) # store tax breakup for each item tax.item_wise_tax_detail[item.item_code or item.item_name] = [tax_rate, current_tax_amount] return current_tax_amount def _load_item_tax_rate(self, item_tax_rate): return json.loads(item_tax_rate) if item_tax_rate else {} def _get_tax_rate(self, tax, item_tax_map): if item_tax_map.has_key(tax.account_head): return flt(item_tax_map.get(tax.account_head), self.precision("rate", tax)) else: return tax.rate def _cleanup(self): for tax in self.tax_doclist: for fieldname in ("grand_total_for_current_item", "tax_amount_for_current_item", "tax_fraction_for_current_item", "grand_total_fraction_for_current_item"): if fieldname in tax.fields: del tax.fields[fieldname] tax.item_wise_tax_detail = json.dumps(tax.item_wise_tax_detail) def _set_in_company_currency(self, item, print_field, base_field): """set values in base currency""" item.fields[base_field] = flt((flt(item.fields[print_field], self.precision(print_field, item)) * self.doc.conversion_rate), self.precision(base_field, item)) def calculate_total_advance(self, parenttype, advance_parentfield): if self.doc.doctype == parenttype and self.doc.docstatus < 2: sum_of_allocated_amount = sum([flt(adv.allocated_amount, self.precision("allocated_amount", adv)) for adv in self.doclist.get({"parentfield": advance_parentfield})]) self.doc.total_advance = flt(sum_of_allocated_amount, self.precision("total_advance")) self.calculate_outstanding_amount() def get_gl_dict(self, args, cancel=None): """this method populates the common properties of a gl entry record""" if cancel is None: cancel = (self.doc.docstatus == 2) gl_dict = { 'company': self.doc.company, 'posting_date': self.doc.posting_date, 'voucher_type': self.doc.doctype, 'voucher_no': self.doc.name, 'aging_date': self.doc.fields.get("aging_date") or self.doc.posting_date, 'remarks': self.doc.remarks, 'is_cancelled': cancel and "Yes" or "No", 'fiscal_year': self.doc.fiscal_year, 'debit': 0, 'credit': 0, 'is_opening': self.doc.fields.get("is_opening") or "No", } gl_dict.update(args) return gl_dict def clear_unallocated_advances(self, childtype, parentfield): self.doclist.remove_items({"parentfield": parentfield, "allocated_amount": ["in", [0, None, ""]]}) webnotes.conn.sql("""delete from `tab%s` where parentfield=%s and parent = %s and ifnull(allocated_amount, 0) = 0""" % (childtype, '%s', '%s'), (parentfield, self.doc.name)) def get_advances(self, account_head, child_doctype, parentfield, dr_or_cr): res = webnotes.conn.sql("""select t1.name as jv_no, t1.remark, t2.%s as amount, t2.name as jv_detail_no from `tabJournal Voucher` t1, `tabJournal Voucher Detail` t2 where t1.name = t2.parent and t2.account = %s and t2.is_advance = 'Yes' and (t2.against_voucher is null or t2.against_voucher = '') and (t2.against_invoice is null or t2.against_invoice = '') and (t2.against_jv is null or t2.against_jv = '') and t1.docstatus = 1 order by t1.posting_date""" % (dr_or_cr, '%s'), account_head, as_dict=1) self.doclist = self.doc.clear_table(self.doclist, parentfield) for d in res: self.doclist.append({ "doctype": child_doctype, "parentfield": parentfield, "journal_voucher": d.jv_no, "jv_detail_no": d.jv_detail_no, "remarks": d.remark, "advance_amount": flt(d.amount), "allocate_amount": 0 }) def get_company_default(self, fieldname): from accounts.utils import get_company_default return get_company_default(self.doc.company, fieldname) @property def stock_items(self): if not hasattr(self, "_stock_items"): self._stock_items = [] item_codes = list(set(item.item_code for item in self.doclist.get({"parentfield": self.fname}))) if item_codes: self._stock_items = [r[0] for r in webnotes.conn.sql("""select name from `tabItem` where name in (%s) and is_stock_item='Yes'""" % \ (", ".join((["%s"]*len(item_codes))),), item_codes)] return self._stock_items @property def company_abbr(self): if not hasattr(self, "_abbr"): self._abbr = webnotes.conn.get_value("Company", self.doc.company, "abbr") return self._abbr