# Copyright (c) 2013, Web Notes Technologies Pvt. Ltd. and Contributors # License: GNU General Public License v3. See license.txt from __future__ import unicode_literals import frappe from frappe import _, throw from frappe.utils import add_days, cint, cstr, today, date_diff, flt, getdate, nowdate, \ get_first_day, get_last_day from frappe.model.naming import make_autoname from erpnext.setup.utils import get_company_currency, get_exchange_rate from erpnext.accounts.utils import get_fiscal_year, validate_fiscal_year from erpnext.utilities.transaction_base import TransactionBase import json class AccountsController(TransactionBase): def validate(self): if self.get("_action") and self._action != "update_after_submit": self.set_missing_values(for_validate=True) self.validate_date_with_fiscal_year() if self.meta.get_field("currency"): self.calculate_taxes_and_totals() self.validate_value("grand_total", ">=", 0) self.set_total_in_words() self.validate_for_freezed_account() def set_missing_values(self, for_validate=False): for fieldname in ["posting_date", "transaction_date"]: if not self.get(fieldname) and self.meta.get_field(fieldname): self.set(fieldname, today()) if not self.fiscal_year: self.fiscal_year = get_fiscal_year(self.get(fieldname))[0] break def validate_date_with_fiscal_year(self): if self.meta.get_field("fiscal_year") : date_field = "" if self.meta.get_field("posting_date"): date_field = "posting_date" elif self.meta.get_field("transaction_date"): date_field = "transaction_date" if date_field and self.get(date_field): validate_fiscal_year(self.get(date_field), self.fiscal_year, label=self.meta.get_label(date_field)) def validate_for_freezed_account(self): for fieldname in ["customer", "supplier"]: if self.meta.get_field(fieldname) and self.get(fieldname): accounts = frappe.db.get_values("Account", {"master_type": fieldname.title(), "master_name": self.get(fieldname), "company": self.company}, "name") if accounts: from erpnext.accounts.doctype.gl_entry.gl_entry import validate_frozen_account for account in accounts: validate_frozen_account(account[0]) def set_price_list_currency(self, buying_or_selling): if self.meta.get_field("currency"): company_currency = get_company_currency(self.company) # price list part fieldname = "selling_price_list" if buying_or_selling.lower() == "selling" \ else "buying_price_list" if self.meta.get_field(fieldname) and self.get(fieldname): self.price_list_currency = frappe.db.get_value("Price List", self.get(fieldname), "currency") if self.price_list_currency == company_currency: self.plc_conversion_rate = 1.0 elif not self.plc_conversion_rate: self.plc_conversion_rate = get_exchange_rate( self.price_list_currency, company_currency) # currency if not self.currency: self.currency = self.price_list_currency self.conversion_rate = self.plc_conversion_rate elif self.currency == company_currency: self.conversion_rate = 1.0 elif not self.conversion_rate: self.conversion_rate = get_exchange_rate(self.currency, company_currency) def set_missing_item_details(self): """set missing item values""" from erpnext.stock.get_item_details import get_item_details if hasattr(self, "fname"): parent_dict = {} for fieldname in self.meta.get_valid_columns(): parent_dict[fieldname] = self.get(fieldname) for item in self.get(self.fname): if item.get("item_code"): args = parent_dict.copy() args.update(item.as_dict()) ret = get_item_details(args) for fieldname, value in ret.items(): if item.meta.get_field(fieldname) and \ item.get(fieldname) is None and value is not None: item.set(fieldname, value) if ret.get("pricing_rule"): for field in ["base_price_list_rate", "price_list_rate", "discount_percentage", "base_rate", "rate"]: item.set(field, ret.get(field)) def set_taxes(self, tax_parentfield, tax_master_field): if not self.meta.get_field(tax_parentfield): return tax_master_doctype = self.meta.get_field(tax_master_field).options if not self.get(tax_parentfield): if not self.get(tax_master_field): # get the default tax master self.set(tax_master_field, frappe.db.get_value(tax_master_doctype, {"is_default": 1})) self.append_taxes_from_master(tax_parentfield, tax_master_field, tax_master_doctype) def append_taxes_from_master(self, tax_parentfield, tax_master_field, tax_master_doctype=None): if self.get(tax_master_field): if not tax_master_doctype: tax_master_doctype = self.meta.get_field(tax_master_field).options self.extend(tax_parentfield, get_taxes_and_charges(tax_master_doctype, self.get(tax_master_field), tax_parentfield)) def set_other_charges(self): self.set("other_charges", []) self.set_taxes("other_charges", "taxes_and_charges") def calculate_taxes_and_totals(self): self.discount_amount_applied = False self._calculate_taxes_and_totals() if self.meta.get_field("discount_amount"): self.apply_discount_amount() def _calculate_taxes_and_totals(self): # validate conversion rate company_currency = get_company_currency(self.company) if not self.currency or self.currency == company_currency: self.currency = company_currency self.conversion_rate = 1.0 else: from erpnext.setup.doctype.currency.currency import validate_conversion_rate validate_conversion_rate(self.currency, self.conversion_rate, self.meta.get_label("conversion_rate"), self.company) self.conversion_rate = flt(self.conversion_rate) self.item_doclist = self.get(self.fname) self.tax_doclist = self.get(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() def initialize_taxes(self): for tax in self.tax_doclist: tax.item_wise_tax_detail = {} tax_fields = ["total", "tax_amount_after_discount_amount", "tax_amount_for_current_item", "grand_total_for_current_item", "tax_fraction_for_current_item", "grand_total_fraction_for_current_item"] if not self.discount_amount_applied: tax_fields.append("tax_amount") for fieldname in tax_fields: tax.set(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): throw(_("Please specify a valid Row ID for {0} in row {1}").format(_(tax.doctype), tax.idx)) def validate_inclusive_tax(self, tax): def _on_previous_row_error(row_range): throw(_("To include tax in row {0} in Item rate, taxes in rows {1} must also be included").format(tax.idx, row_range)) if cint(getattr(tax, "included_in_print_rate", None)): if tax.charge_type == "Actual": # inclusive tax cannot be of type Actual throw(_("Charge of type 'Actual' in row {0} cannot be included in Item Rate").format(tax.idx)) elif tax.charge_type == "On Previous Row Amount" and \ not cint(self.tax_doclist[cint(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[:cint(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): # maintain actual tax rate based on idx actual_tax_dict = dict([[tax.idx, flt(tax.rate, self.precision("tax_amount", tax))] for tax in self.tax_doclist if tax.charge_type == "Actual"]) for n, item in enumerate(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) # Adjust divisional loss to the last item if tax.charge_type == "Actual": actual_tax_dict[tax.idx] -= current_tax_amount if n == len(self.item_doclist) - 1: current_tax_amount += actual_tax_dict[tax.idx] # 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 if not self.discount_amount_applied: tax.tax_amount += current_tax_amount tax.tax_amount_after_discount_amount += current_tax_amount if getattr(tax, "category", None): # 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.base_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 # set precision in the last item iteration if n == len(self.item_doclist) - 1: self.round_off_totals(tax) # adjust Discount Amount loss in last tax iteration if i == (len(self.tax_doclist) - 1) and self.discount_amount_applied: self.adjust_discount_amount_loss(tax) def round_off_totals(self, tax): tax.total = flt(tax.total, self.precision("total", tax)) tax.tax_amount = flt(tax.tax_amount, self.precision("tax_amount", tax)) tax.tax_amount_after_discount_amount = flt(tax.tax_amount_after_discount_amount, self.precision("tax_amount", tax)) def adjust_discount_amount_loss(self, tax): discount_amount_loss = self.grand_total - flt(self.discount_amount) - tax.total tax.tax_amount_after_discount_amount = flt(tax.tax_amount_after_discount_amount + discount_amount_loss, self.precision("tax_amount", tax)) tax.total = flt(tax.total + discount_amount_loss, self.precision("total", tax)) 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.net_total and ((item.base_amount / self.net_total) * actual) or 0) elif tax.charge_type == "On Net Total": current_tax_amount = (tax_rate / 100.0) * item.base_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 key = item.item_code or item.item_name if tax.item_wise_tax_detail.get(key): item_wise_tax_amount = tax.item_wise_tax_detail[key][1] + current_tax_amount tax.item_wise_tax_detail[key] = [tax_rate,item_wise_tax_amount] else: tax.item_wise_tax_detail[key] = [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: tax.item_wise_tax_detail = json.dumps(tax.item_wise_tax_detail, separators=(',', ':')) def _set_in_company_currency(self, item, print_field, base_field): """set values in base currency""" value_in_company_currency = flt(self.conversion_rate * flt(item.get(print_field), self.precision(print_field, item)), self.precision(base_field, item)) item.set(base_field, value_in_company_currency) def calculate_total_advance(self, parenttype, advance_parentfield): if self.doctype == parenttype and self.docstatus < 2: sum_of_allocated_amount = sum([flt(adv.allocated_amount, self.precision("allocated_amount", adv)) for adv in self.get(advance_parentfield)]) self.total_advance = flt(sum_of_allocated_amount, self.precision("total_advance")) self.calculate_outstanding_amount() def get_gl_dict(self, args): """this method populates the common properties of a gl entry record""" gl_dict = frappe._dict({ 'company': self.company, 'posting_date': self.posting_date, 'voucher_type': self.doctype, 'voucher_no': self.name, 'aging_date': self.get("aging_date") or self.posting_date, 'remarks': self.get("remarks"), 'fiscal_year': self.fiscal_year, 'debit': 0, 'credit': 0, 'is_opening': self.get("is_opening") or "No", }) gl_dict.update(args) return gl_dict def clear_unallocated_advances(self, childtype, parentfield): self.set(parentfield, self.get(parentfield, {"allocated_amount": ["not in", [0, None, ""]]})) frappe.db.sql("""delete from `tab%s` where parentfield=%s and parent = %s and ifnull(allocated_amount, 0) = 0""" % (childtype, '%s', '%s'), (parentfield, self.name)) def get_advances(self, account_head, child_doctype, parentfield, dr_or_cr): res = frappe.db.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 t1.docstatus = 1 and ifnull(t2.against_voucher, '') = '' and ifnull(t2.against_invoice, '') = '' and ifnull(t2.against_jv, '') = '' order by t1.posting_date""" % (dr_or_cr, '%s'), account_head, as_dict=1) self.set(parentfield, []) for d in res: self.append(parentfield, { "doctype": child_doctype, "journal_voucher": d.jv_no, "jv_detail_no": d.jv_detail_no, "remarks": d.remark, "advance_amount": flt(d.amount), "allocate_amount": 0 }) def validate_multiple_billing(self, ref_dt, item_ref_dn, based_on, parentfield): from erpnext.controllers.status_updater import get_tolerance_for item_tolerance = {} global_tolerance = None for item in self.get("entries"): if item.get(item_ref_dn): ref_amt = flt(frappe.db.get_value(ref_dt + " Item", item.get(item_ref_dn), based_on), self.precision(based_on, item)) if not ref_amt: frappe.msgprint(_("Warning: System will not check overbilling since amount for Item {0} in {1} is zero").format(item.item_code, ref_dt)) else: already_billed = frappe.db.sql("""select sum(%s) from `tab%s` where %s=%s and docstatus=1 and parent != %s""" % (based_on, self.tname, item_ref_dn, '%s', '%s'), (item.get(item_ref_dn), self.name))[0][0] total_billed_amt = flt(flt(already_billed) + flt(item.get(based_on)), self.precision(based_on, item)) tolerance, item_tolerance, global_tolerance = get_tolerance_for(item.item_code, item_tolerance, global_tolerance) max_allowed_amt = flt(ref_amt * (100 + tolerance) / 100) if total_billed_amt - max_allowed_amt > 0.01: reduce_by = total_billed_amt - max_allowed_amt frappe.throw(_("Cannot overbill for Item {0} in row {0} more than {1}. To allow overbilling, please set in Stock Settings").format(item.item_code, item.idx, max_allowed_amt)) def get_company_default(self, fieldname): from erpnext.accounts.utils import get_company_default return get_company_default(self.company, fieldname) def get_stock_items(self): stock_items = [] item_codes = list(set(item.item_code for item in self.get(self.fname))) if item_codes: stock_items = [r[0] for r in frappe.db.sql("""select name from `tabItem` where name in (%s) and is_stock_item='Yes'""" % \ (", ".join((["%s"]*len(item_codes))),), item_codes)] return stock_items @property def company_abbr(self): if not hasattr(self, "_abbr"): self._abbr = frappe.db.get_value("Company", self.company, "abbr") return self._abbr def check_credit_limit(self, account): total_outstanding = frappe.db.sql(""" select sum(ifnull(debit, 0)) - sum(ifnull(credit, 0)) from `tabGL Entry` where account = %s""", account) total_outstanding = total_outstanding[0][0] if total_outstanding else 0 if total_outstanding: frappe.get_doc('Account', account).check_credit_limit(total_outstanding) @frappe.whitelist() def get_tax_rate(account_head): return frappe.db.get_value("Account", account_head, "tax_rate") @frappe.whitelist() def get_taxes_and_charges(master_doctype, master_name, tax_parentfield): from frappe.model import default_fields tax_master = frappe.get_doc(master_doctype, master_name) taxes_and_charges = [] for i, tax in enumerate(tax_master.get(tax_parentfield)): tax = tax.as_dict() for fieldname in default_fields: if fieldname in tax: del tax[fieldname] taxes_and_charges.append(tax) return taxes_and_charges