Commonified taxes and totals calculation in server side
This commit is contained in:
Nabin Hait
parent
188f69a713
commit
3237c75d98
@ -4,12 +4,11 @@
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from __future__ import unicode_literals
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import frappe
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from frappe import _, throw
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from frappe.utils import cint, today, flt
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from frappe.utils import today, flt
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from erpnext.setup.utils import get_company_currency, get_exchange_rate
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from erpnext.accounts.utils import get_fiscal_year, validate_fiscal_year
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from erpnext.utilities.transaction_base import TransactionBase
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from erpnext.controllers.recurring_document import convert_to_recurring, validate_recurring_document
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import json
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class AccountsController(TransactionBase):
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def validate(self):
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@ -52,6 +51,14 @@ class AccountsController(TransactionBase):
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self.fiscal_year = get_fiscal_year(self.get(fieldname))[0]
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break
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def calculate_taxes_and_totals(self):
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from erpnext.controllers.taxes_and_totals import taxes_and_totals
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taxes_and_totals(self).calculate()
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if self.doctype in ["Quotation", "Sales Order", "Delivery Note", "Sales Invoice"]:
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self.calculate_commission()
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self.calculate_contribution()
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def validate_date_with_fiscal_year(self):
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if self.meta.get_field("fiscal_year") :
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date_field = ""
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@ -152,213 +159,11 @@ class AccountsController(TransactionBase):
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self.set("taxes", [])
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self.set_taxes("taxes", "taxes_and_charges")
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def calculate_taxes_and_totals(self):
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self.discount_amount_applied = False
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self._calculate_taxes_and_totals()
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if self.meta.get_field("discount_amount"):
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self.apply_discount_amount()
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def _calculate_taxes_and_totals(self):
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# validate conversion rate
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company_currency = get_company_currency(self.company)
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if not self.currency or self.currency == company_currency:
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self.currency = company_currency
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self.conversion_rate = 1.0
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else:
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validate_conversion_rate(self.currency, self.conversion_rate,
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self.meta.get_label("conversion_rate"), self.company)
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self.conversion_rate = flt(self.conversion_rate)
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self.calculate_item_values()
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self.initialize_taxes()
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if hasattr(self, "determine_exclusive_rate"):
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self.determine_exclusive_rate()
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self.calculate_net_total()
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self.calculate_taxes()
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self.calculate_totals()
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self._cleanup()
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def initialize_taxes(self):
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for tax in self.get("taxes"):
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tax.item_wise_tax_detail = {}
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tax_fields = ["total", "tax_amount_after_discount_amount",
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"tax_amount_for_current_item", "grand_total_for_current_item",
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"tax_fraction_for_current_item", "grand_total_fraction_for_current_item"]
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if not self.discount_amount_applied:
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tax_fields.append("tax_amount")
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for fieldname in tax_fields:
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tax.set(fieldname, 0.0)
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self.validate_on_previous_row(tax)
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self.validate_inclusive_tax(tax)
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self.round_floats_in(tax)
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def validate_on_previous_row(self, tax):
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"""
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validate if a valid row id is mentioned in case of
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On Previous Row Amount and On Previous Row Total
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"""
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if tax.charge_type in ["On Previous Row Amount", "On Previous Row Total"] and \
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(not tax.row_id or cint(tax.row_id) >= tax.idx):
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throw(_("Please specify a valid Row ID for {0} in row {1}").format(_(tax.doctype), tax.idx))
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def validate_inclusive_tax(self, tax):
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def _on_previous_row_error(row_range):
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throw(_("To include tax in row {0} in Item rate, taxes in rows {1} must also be included").format(tax.idx,
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row_range))
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if cint(getattr(tax, "included_in_print_rate", None)):
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if tax.charge_type == "Actual":
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# inclusive tax cannot be of type Actual
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throw(_("Charge of type 'Actual' in row {0} cannot be included in Item Rate").format(tax.idx))
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elif tax.charge_type == "On Previous Row Amount" and \
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not cint(self.get("taxes")[cint(tax.row_id) - 1].included_in_print_rate):
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# referred row should also be inclusive
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_on_previous_row_error(tax.row_id)
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elif tax.charge_type == "On Previous Row Total" and \
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not all([cint(t.included_in_print_rate) for t in self.get("taxes")[:cint(tax.row_id) - 1]]):
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# all rows about the reffered tax should be inclusive
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_on_previous_row_error("1 - %d" % (tax.row_id,))
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def calculate_taxes(self):
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# maintain actual tax rate based on idx
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actual_tax_dict = dict([[tax.idx, flt(tax.rate, self.precision("tax_amount", tax))] for tax in self.get("taxes")
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if tax.charge_type == "Actual"])
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for n, item in enumerate(self.get("items")):
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item_tax_map = self._load_item_tax_rate(item.item_tax_rate)
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for i, tax in enumerate(self.get("taxes")):
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# tax_amount represents the amount of tax for the current step
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current_tax_amount = self.get_current_tax_amount(item, tax, item_tax_map)
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# Adjust divisional loss to the last item
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if tax.charge_type == "Actual":
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actual_tax_dict[tax.idx] -= current_tax_amount
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if n == len(self.get("items")) - 1:
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current_tax_amount += actual_tax_dict[tax.idx]
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# store tax_amount for current item as it will be used for
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# charge type = 'On Previous Row Amount'
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tax.tax_amount_for_current_item = current_tax_amount
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# accumulate tax amount into tax.tax_amount
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if not self.discount_amount_applied:
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tax.tax_amount += current_tax_amount
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tax.tax_amount_after_discount_amount += current_tax_amount
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if getattr(tax, "category", None):
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# if just for valuation, do not add the tax amount in total
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# hence, setting it as 0 for further steps
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current_tax_amount = 0.0 if (tax.category == "Valuation") \
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else current_tax_amount
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current_tax_amount *= -1.0 if (tax.add_deduct_tax == "Deduct") else 1.0
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# Calculate tax.total viz. grand total till that step
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# note: grand_total_for_current_item contains the contribution of
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# item's amount, previously applied tax and the current tax on that item
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if i==0:
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tax.grand_total_for_current_item = flt(item.base_amount + current_tax_amount,
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self.precision("total", tax))
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else:
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tax.grand_total_for_current_item = \
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flt(self.get("taxes")[i-1].grand_total_for_current_item +
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current_tax_amount, self.precision("total", tax))
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# in tax.total, accumulate grand total of each item
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tax.total += tax.grand_total_for_current_item
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# set precision in the last item iteration
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if n == len(self.get("items")) - 1:
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self.round_off_totals(tax)
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# adjust Discount Amount loss in last tax iteration
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if i == (len(self.get("taxes")) - 1) and self.discount_amount_applied:
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self.adjust_discount_amount_loss(tax)
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def round_off_totals(self, tax):
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tax.total = flt(tax.total, self.precision("total", tax))
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tax.tax_amount = flt(tax.tax_amount, self.precision("tax_amount", tax))
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tax.tax_amount_after_discount_amount = flt(tax.tax_amount_after_discount_amount,
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self.precision("tax_amount", tax))
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def adjust_discount_amount_loss(self, tax):
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discount_amount_loss = self.base_grand_total - flt(self.base_discount_amount) - tax.total
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tax.tax_amount_after_discount_amount = flt(tax.tax_amount_after_discount_amount +
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discount_amount_loss, self.precision("tax_amount", tax))
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tax.total = flt(tax.total + discount_amount_loss, self.precision("total", tax))
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def get_current_tax_amount(self, item, tax, item_tax_map):
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tax_rate = self._get_tax_rate(tax, item_tax_map)
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current_tax_amount = 0.0
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if tax.charge_type == "Actual":
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# distribute the tax amount proportionally to each item row
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actual = flt(tax.rate, self.precision("tax_amount", tax))
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current_tax_amount = (self.base_net_total
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and ((item.base_amount / self.base_net_total) * actual)
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or 0)
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elif tax.charge_type == "On Net Total":
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current_tax_amount = (tax_rate / 100.0) * item.base_amount
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elif tax.charge_type == "On Previous Row Amount":
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current_tax_amount = (tax_rate / 100.0) * \
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self.get("taxes")[cint(tax.row_id) - 1].tax_amount_for_current_item
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elif tax.charge_type == "On Previous Row Total":
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current_tax_amount = (tax_rate / 100.0) * \
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self.get("taxes")[cint(tax.row_id) - 1].grand_total_for_current_item
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current_tax_amount = flt(current_tax_amount, self.precision("tax_amount", tax))
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# store tax breakup for each item
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key = item.item_code or item.item_name
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if tax.item_wise_tax_detail.get(key):
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item_wise_tax_amount = tax.item_wise_tax_detail[key][1] + current_tax_amount
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tax.item_wise_tax_detail[key] = [tax_rate,item_wise_tax_amount]
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else:
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tax.item_wise_tax_detail[key] = [tax_rate,current_tax_amount]
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return current_tax_amount
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def _load_item_tax_rate(self, item_tax_rate):
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return json.loads(item_tax_rate) if item_tax_rate else {}
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def _get_tax_rate(self, tax, item_tax_map):
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if item_tax_map.has_key(tax.account_head):
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return flt(item_tax_map.get(tax.account_head), self.precision("rate", tax))
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else:
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return tax.rate
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def _cleanup(self):
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for tax in self.get("taxes"):
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tax.item_wise_tax_detail = json.dumps(tax.item_wise_tax_detail, separators=(',', ':'))
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def _set_in_company_currency(self, item, print_field, base_field):
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"""set values in base currency"""
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value_in_company_currency = flt(self.conversion_rate *
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flt(item.get(print_field), self.precision(print_field, item)), self.precision(base_field, item))
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item.set(base_field, value_in_company_currency)
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def validate_enabled_taxes_and_charges(self):
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taxes_and_charges_doctype = self.meta.get_options("taxes_and_charges")
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if frappe.db.get_value(taxes_and_charges_doctype, self.taxes_and_charges, "disabled"):
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frappe.throw(_("{0} '{1}' is disabled").format(taxes_and_charges_doctype, self.taxes_and_charges))
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def calculate_total_advance(self, parenttype, advance_parentfield):
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if self.doctype == parenttype and self.docstatus < 2:
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sum_of_allocated_amount = sum([flt(adv.allocated_amount, self.precision("allocated_amount", adv))
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for adv in self.get(advance_parentfield)])
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self.total_advance = flt(sum_of_allocated_amount, self.precision("total_advance"))
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self.calculate_outstanding_amount()
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def get_gl_dict(self, args):
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"""this method populates the common properties of a gl entry record"""
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@ -4,7 +4,7 @@
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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 frappe.utils import flt
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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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@ -79,82 +79,6 @@ class BuyingController(StockController):
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if self.meta.get_field("in_words"):
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self.in_words = money_in_words(self.grand_total, 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.base_net_total = self.net_total = 0.0
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for item in self.get("items"):
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self.base_net_total += item.base_amount
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self.net_total += item.amount
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self.round_floats_in(self, ["base_net_total", "net_total"])
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def calculate_totals(self):
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self.base_grand_total = flt(self.get("taxes")[-1].total if self.get("taxes") else self.base_net_total)
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self.base_total_taxes_and_charges = flt(self.base_grand_total - self.base_net_total, self.precision("base_total_taxes_and_charges"))
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self.base_grand_total = flt(self.base_grand_total, self.precision("base_grand_total"))
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if self.meta.get_field("base_rounded_total"):
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self.base_rounded_total = rounded(self.base_grand_total)
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if self.meta.get_field("base_taxes_and_charges_added"):
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self.base_taxes_and_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("base_taxes_and_charges_added"))
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if self.meta.get_field("base_taxes_and_charges_deducted"):
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self.base_taxes_and_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("base_taxes_and_charges_deducted"))
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self.grand_total = flt(self.base_grand_total / self.conversion_rate) \
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if (self.base_taxes_and_charges_added or self.base_taxes_and_charges_deducted) else self.net_total
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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("taxes_and_charges_added"):
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self.taxes_and_charges_added = flt(self.base_taxes_and_charges_added /
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self.conversion_rate, self.precision("taxes_and_charges_added"))
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if self.meta.get_field("taxes_and_charges_deducted"):
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self.taxes_and_charges_deducted = flt(self.base_taxes_and_charges_deducted /
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self.conversion_rate, self.precision("taxes_and_charges_deducted"))
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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.base_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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@ -3,7 +3,7 @@
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from __future__ import unicode_literals
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import frappe
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from frappe.utils import cint, flt, rounded, cstr, comma_or
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from frappe.utils import cint, flt, cstr, comma_or
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from erpnext.setup.utils import get_company_currency
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from frappe import _, throw
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from erpnext.stock.get_item_details import get_available_qty
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@ -121,157 +121,6 @@ class SellingController(StockController):
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self.in_words = money_in_words(disable_rounded_total and
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self.grand_total or self.rounded_total, self.currency)
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def calculate_taxes_and_totals(self):
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super(SellingController, self).calculate_taxes_and_totals()
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self.calculate_total_advance("Sales Invoice", "advances")
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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.get("taxes"))):
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# no inclusive tax
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return
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for item in self.get("items"):
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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.get("taxes")):
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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.get("taxes")[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 and not self.discount_amount_applied and item.qty:
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item.base_amount = flt((item.amount * self.conversion_rate) /
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(1 + cumulated_tax_fraction), self.precision("base_amount", item))
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item.base_rate = flt(item.base_amount / item.qty, self.precision("base_rate", item))
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item.discount_percentage = flt(item.discount_percentage, self.precision("discount_percentage", item))
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if item.discount_percentage == 100:
|
||||
item.base_price_list_rate = item.base_rate
|
||||
item.base_rate = 0.0
|
||||
else:
|
||||
item.base_price_list_rate = flt(item.base_rate / (1 - (item.discount_percentage / 100.0)),
|
||||
self.precision("base_price_list_rate", item))
|
||||
|
||||
def get_current_tax_fraction(self, tax, item_tax_map):
|
||||
"""
|
||||
Get tax fraction for calculating tax exclusive amount
|
||||
from tax inclusive amount
|
||||
"""
|
||||
current_tax_fraction = 0
|
||||
|
||||
if cint(tax.included_in_print_rate):
|
||||
tax_rate = self._get_tax_rate(tax, item_tax_map)
|
||||
|
||||
if tax.charge_type == "On Net Total":
|
||||
current_tax_fraction = tax_rate / 100.0
|
||||
|
||||
elif tax.charge_type == "On Previous Row Amount":
|
||||
current_tax_fraction = (tax_rate / 100.0) * \
|
||||
self.get("taxes")[cint(tax.row_id) - 1].tax_fraction_for_current_item
|
||||
|
||||
elif tax.charge_type == "On Previous Row Total":
|
||||
current_tax_fraction = (tax_rate / 100.0) * \
|
||||
self.get("taxes")[cint(tax.row_id) - 1].grand_total_fraction_for_current_item
|
||||
|
||||
return current_tax_fraction
|
||||
|
||||
def calculate_item_values(self):
|
||||
if not self.discount_amount_applied:
|
||||
for item in self.get("items"):
|
||||
self.round_floats_in(item)
|
||||
|
||||
if item.discount_percentage == 100:
|
||||
item.rate = 0
|
||||
elif not item.rate:
|
||||
item.rate = flt(item.price_list_rate * (1.0 - (item.discount_percentage / 100.0)),
|
||||
self.precision("rate", item))
|
||||
|
||||
item.amount = flt(item.rate * item.qty,
|
||||
self.precision("amount", item))
|
||||
|
||||
self._set_in_company_currency(item, "price_list_rate", "base_price_list_rate")
|
||||
self._set_in_company_currency(item, "rate", "base_rate")
|
||||
self._set_in_company_currency(item, "amount", "base_amount")
|
||||
|
||||
def calculate_net_total(self):
|
||||
self.base_net_total = self.net_total = 0.0
|
||||
|
||||
for item in self.get("items"):
|
||||
self.base_net_total += item.base_amount
|
||||
self.net_total += item.amount
|
||||
|
||||
self.round_floats_in(self, ["base_net_total", "net_total"])
|
||||
|
||||
def calculate_totals(self):
|
||||
self.base_grand_total = flt(self.get("taxes")[-1].total if self.get("taxes") else self.base_net_total)
|
||||
|
||||
self.base_total_taxes_and_charges = flt(self.base_grand_total - self.base_net_total, self.precision("base_total_taxes_and_charges"))
|
||||
|
||||
self.grand_total = flt(self.base_grand_total / self.conversion_rate) \
|
||||
if (self.base_total_taxes_and_charges or self.discount_amount) else self.net_total
|
||||
|
||||
self.total_taxes_and_charges = flt(self.grand_total - self.net_total +
|
||||
flt(self.discount_amount), self.precision("total_taxes_and_charges"))
|
||||
|
||||
self.base_grand_total = flt(self.base_grand_total, self.precision("base_grand_total"))
|
||||
self.grand_total = flt(self.grand_total, self.precision("grand_total"))
|
||||
|
||||
self.base_rounded_total = rounded(self.base_grand_total)
|
||||
self.rounded_total = rounded(self.grand_total)
|
||||
|
||||
def apply_discount_amount(self):
|
||||
if self.discount_amount:
|
||||
self.base_discount_amount = flt(self.discount_amount * self.conversion_rate, self.precision("base_discount_amount"))
|
||||
|
||||
grand_total_for_discount_amount = self.get_grand_total_for_discount_amount()
|
||||
|
||||
if grand_total_for_discount_amount:
|
||||
# calculate item amount after Discount Amount
|
||||
for item in self.get("items"):
|
||||
distributed_amount = flt(self.base_discount_amount) * item.base_amount / grand_total_for_discount_amount
|
||||
item.base_amount = flt(item.base_amount - distributed_amount, self.precision("base_amount", item))
|
||||
|
||||
self.discount_amount_applied = True
|
||||
self._calculate_taxes_and_totals()
|
||||
else:
|
||||
self.base_discount_amount = 0
|
||||
|
||||
def get_grand_total_for_discount_amount(self):
|
||||
actual_taxes_dict = {}
|
||||
|
||||
for tax in self.get("taxes"):
|
||||
if tax.charge_type == "Actual":
|
||||
actual_taxes_dict.setdefault(tax.idx, tax.tax_amount)
|
||||
elif tax.row_id in actual_taxes_dict:
|
||||
actual_tax_amount = flt(actual_taxes_dict.get(tax.row_id, 0)) * \
|
||||
flt(tax.rate) / 100
|
||||
actual_taxes_dict.setdefault(tax.idx, actual_tax_amount)
|
||||
|
||||
grand_total_for_discount_amount = flt(self.base_grand_total - sum(actual_taxes_dict.values()),
|
||||
self.precision("base_grand_total"))
|
||||
return grand_total_for_discount_amount
|
||||
|
||||
def calculate_outstanding_amount(self):
|
||||
# NOTE:
|
||||
# write_off_amount is only for POS Invoice
|
||||
# total_advance is only for non POS Invoice
|
||||
if self.doctype == "Sales Invoice" and self.docstatus == 0:
|
||||
self.round_floats_in(self, ["base_grand_total", "total_advance", "write_off_amount",
|
||||
"paid_amount"])
|
||||
total_amount_to_pay = self.base_grand_total - self.write_off_amount
|
||||
self.outstanding_amount = flt(total_amount_to_pay - self.total_advance \
|
||||
- self.paid_amount, self.precision("outstanding_amount"))
|
||||
|
||||
def calculate_commission(self):
|
||||
if self.meta.get_field("commission_rate"):
|
||||
self.round_floats_in(self, ["base_net_total", "commission_rate"])
|
||||
|
||||
397
erpnext/controllers/taxes_and_totals.py
Normal file
397
erpnext/controllers/taxes_and_totals.py
Normal file
@ -0,0 +1,397 @@
|
||||
# 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 json
|
||||
from frappe import _, throw
|
||||
from frappe.utils import cint, flt, rounded
|
||||
from erpnext.setup.utils import get_company_currency
|
||||
from erpnext.controllers.accounts_controller import validate_conversion_rate
|
||||
|
||||
class taxes_and_totals(object):
|
||||
def __init__(self, doc):
|
||||
self.doc = doc
|
||||
|
||||
def calculate(self):
|
||||
self.discount_amount_applied = False
|
||||
self._calculate()
|
||||
|
||||
if self.doc.meta.get_field("discount_amount"):
|
||||
self.apply_discount_amount()
|
||||
|
||||
if self.doctype in ["Sales Invoice", "Purchase Invoice"]:
|
||||
self.calculate_total_advance()
|
||||
|
||||
def _calculate(self):
|
||||
# validate conversion rate
|
||||
company_currency = get_company_currency(self.doc.company)
|
||||
if not self.doc.currency or self.doc.currency == company_currency:
|
||||
self.doc.currency = company_currency
|
||||
self.doc.conversion_rate = 1.0
|
||||
else:
|
||||
validate_conversion_rate(self.doc.currency, self.doc.conversion_rate,
|
||||
self.doc.meta.get_label("conversion_rate"), self.doc.company)
|
||||
|
||||
self.doc.conversion_rate = flt(self.doc.conversion_rate)
|
||||
|
||||
self.calculate_item_values()
|
||||
self.initialize_taxes()
|
||||
|
||||
if self.doctype in ["Quotation", "Sales Order", "Delivery Note", "Sales Invoice"]:
|
||||
self.determine_exclusive_rate()
|
||||
|
||||
self.calculate_net_total()
|
||||
self.calculate_taxes()
|
||||
self.calculate_totals()
|
||||
self._cleanup()
|
||||
|
||||
def calculate_item_values(self):
|
||||
if not self.discount_amount_applied:
|
||||
for item in self.doc.get("items"):
|
||||
self.doc.round_floats_in(item)
|
||||
|
||||
if item.discount_percentage == 100:
|
||||
item.rate = 0.0
|
||||
elif not item.rate:
|
||||
item.rate = flt(item.price_list_rate * (1.0 - (item.discount_percentage / 100.0)),
|
||||
self.doc.precision("rate", item))
|
||||
|
||||
item.amount = flt(item.rate * item.qty, self.doc.precision("amount", item))
|
||||
item.item_tax_amount = 0.0;
|
||||
|
||||
self._set_in_company_currency(item, "price_list_rate", "base_price_list_rate")
|
||||
self._set_in_company_currency(item, "rate", "base_rate")
|
||||
self._set_in_company_currency(item, "amount", "base_amount")
|
||||
|
||||
def _set_in_company_currency(self, item, print_field, base_field):
|
||||
"""set values in base currency"""
|
||||
value_in_company_currency = flt(self.doc.conversion_rate *
|
||||
flt(item.get(print_field), self.doc.precision(print_field, item)), self.doc.precision(base_field, item))
|
||||
item.set(base_field, value_in_company_currency)
|
||||
|
||||
def initialize_taxes(self):
|
||||
for tax in self.doc.get("taxes"):
|
||||
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.doc.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.doc.get("taxes")[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.doc.get("taxes")[:cint(tax.row_id) - 1]]):
|
||||
# all rows about the reffered tax should be inclusive
|
||||
_on_previous_row_error("1 - %d" % (tax.row_id,))
|
||||
|
||||
def determine_exclusive_rate(self):
|
||||
if not any((cint(tax.included_in_print_rate) for tax in self.doc.get("taxes"))):
|
||||
# no inclusive tax
|
||||
return
|
||||
|
||||
for item in self.doc.get("items"):
|
||||
item_tax_map = self._load_item_tax_rate(item.item_tax_rate)
|
||||
cumulated_tax_fraction = 0
|
||||
for i, tax in enumerate(self.doc.get("taxes")):
|
||||
tax.tax_fraction_for_current_item = self.get_current_tax_fraction(tax, item_tax_map)
|
||||
|
||||
if i==0:
|
||||
tax.grand_total_fraction_for_current_item = 1 + tax.tax_fraction_for_current_item
|
||||
else:
|
||||
tax.grand_total_fraction_for_current_item = \
|
||||
self.doc.get("taxes")[i-1].grand_total_fraction_for_current_item \
|
||||
+ tax.tax_fraction_for_current_item
|
||||
|
||||
cumulated_tax_fraction += tax.tax_fraction_for_current_item
|
||||
|
||||
if cumulated_tax_fraction and not self.discount_amount_applied and item.qty:
|
||||
item.base_amount = flt((item.amount * self.doc.conversion_rate) /
|
||||
(1 + cumulated_tax_fraction), self.doc.precision("base_amount", item))
|
||||
|
||||
item.base_rate = flt(item.base_amount / item.qty, self.doc.precision("base_rate", item))
|
||||
item.discount_percentage = flt(item.discount_percentage, self.doc.precision("discount_percentage", item))
|
||||
|
||||
if item.discount_percentage == 100:
|
||||
item.base_price_list_rate = item.base_rate
|
||||
item.base_rate = 0.0
|
||||
else:
|
||||
item.base_price_list_rate = flt(item.base_rate / (1 - (item.discount_percentage / 100.0)),
|
||||
self.doc.precision("base_price_list_rate", item))
|
||||
|
||||
def _load_item_tax_rate(self, item_tax_rate):
|
||||
return json.loads(item_tax_rate) if item_tax_rate else {}
|
||||
|
||||
def get_current_tax_fraction(self, tax, item_tax_map):
|
||||
"""
|
||||
Get tax fraction for calculating tax exclusive amount
|
||||
from tax inclusive amount
|
||||
"""
|
||||
current_tax_fraction = 0
|
||||
|
||||
if cint(tax.included_in_print_rate):
|
||||
tax_rate = self._get_tax_rate(tax, item_tax_map)
|
||||
|
||||
if tax.charge_type == "On Net Total":
|
||||
current_tax_fraction = tax_rate / 100.0
|
||||
|
||||
elif tax.charge_type == "On Previous Row Amount":
|
||||
current_tax_fraction = (tax_rate / 100.0) * \
|
||||
self.doc.get("taxes")[cint(tax.row_id) - 1].tax_fraction_for_current_item
|
||||
|
||||
elif tax.charge_type == "On Previous Row Total":
|
||||
current_tax_fraction = (tax_rate / 100.0) * \
|
||||
self.doc.get("taxes")[cint(tax.row_id) - 1].grand_total_fraction_for_current_item
|
||||
|
||||
return current_tax_fraction
|
||||
|
||||
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.doc.precision("rate", tax))
|
||||
else:
|
||||
return tax.rate
|
||||
|
||||
def calculate_net_total(self):
|
||||
self.doc.base_net_total = self.doc.net_total = 0.0
|
||||
|
||||
for item in self.doc.get("items"):
|
||||
self.doc.base_net_total += item.base_amount
|
||||
self.doc.net_total += item.amount
|
||||
|
||||
self.round_floats_in(self.doc, ["base_net_total", "net_total"])
|
||||
|
||||
def calculate_taxes(self):
|
||||
# maintain actual tax rate based on idx
|
||||
actual_tax_dict = dict([[tax.idx, flt(tax.rate, self.doc.precision("tax_amount", tax))]
|
||||
for tax in self.doc.get("taxes") if tax.charge_type == "Actual"])
|
||||
|
||||
for n, item in enumerate(self.doc.get("items")):
|
||||
item_tax_map = self._load_item_tax_rate(item.item_tax_rate)
|
||||
|
||||
for i, tax in enumerate(self.doc.get("taxes")):
|
||||
# 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.doc.get("items")) - 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.doc.precision("total", tax))
|
||||
else:
|
||||
tax.grand_total_for_current_item = \
|
||||
flt(self.doc.get("taxes")[i-1].grand_total_for_current_item +
|
||||
current_tax_amount, self.doc.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.doc.get("items")) - 1:
|
||||
self.round_off_totals(tax)
|
||||
|
||||
# adjust Discount Amount loss in last tax iteration
|
||||
if i == (len(self.doc.get("taxes")) - 1) and self.discount_amount_applied:
|
||||
self.adjust_discount_amount_loss(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.doc.precision("tax_amount", tax))
|
||||
current_tax_amount = (self.doc.base_net_total
|
||||
and ((item.base_amount / self.doc.base_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.doc.get("taxes")[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.doc.get("taxes")[cint(tax.row_id) - 1].grand_total_for_current_item
|
||||
|
||||
current_tax_amount = flt(current_tax_amount, self.doc.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 round_off_totals(self, tax):
|
||||
tax.total = flt(tax.total, self.doc.precision("total", tax))
|
||||
tax.tax_amount = flt(tax.tax_amount, self.doc.precision("tax_amount", tax))
|
||||
tax.tax_amount_after_discount_amount = flt(tax.tax_amount_after_discount_amount,
|
||||
self.doc.precision("tax_amount", tax))
|
||||
|
||||
def adjust_discount_amount_loss(self, tax):
|
||||
discount_amount_loss = self.doc.base_grand_total - flt(self.doc.base_discount_amount) - tax.total
|
||||
tax.tax_amount_after_discount_amount = flt(tax.tax_amount_after_discount_amount +
|
||||
discount_amount_loss, self.doc.precision("tax_amount", tax))
|
||||
tax.total = flt(tax.total + discount_amount_loss, self.doc.precision("total", tax))
|
||||
|
||||
def calculate_totals(self):
|
||||
self.doc.base_grand_total = flt(self.doc.get("taxes")[-1].total
|
||||
if self.doc.get("taxes") else self.doc.base_net_total)
|
||||
|
||||
self.doc.base_total_taxes_and_charges = flt(self.doc.base_grand_total - self.doc.base_net_total,
|
||||
self.doc.precision("base_total_taxes_and_charges"))
|
||||
|
||||
if self.doctype in ["Quotation", "Sales Order", "Delivery Note", "Sales Invoice"]:
|
||||
self.doc.grand_total = flt(self.doc.base_grand_total / self.doc.conversion_rate) \
|
||||
if (self.doc.base_total_taxes_and_charges or self.doc.discount_amount) else self.doc.net_total
|
||||
|
||||
self.doc.total_taxes_and_charges = flt(self.doc.grand_total - self.doc.net_total +
|
||||
flt(self.doc.discount_amount), self.doc.precision("total_taxes_and_charges"))
|
||||
else:
|
||||
self.doc.base_taxes_and_charges_added, self.base_taxes_and_charges_deducted = 0.0, 0.0
|
||||
for tax in self.doc.get("taxes"):
|
||||
if tax.category in ["Valuation and Total", "Total"]:
|
||||
if tax.add_deduct_tax == "Add":
|
||||
self.doc.base_taxes_and_charges_added += flt(tax.tax_amount)
|
||||
else:
|
||||
self.doc.base_taxes_and_charges_deducted += flt(tax.tax_amount)
|
||||
|
||||
self.doc.round_floats_in(self.doc, ["base_taxes_and_charges_added", "base_taxes_and_charges_deducted"])
|
||||
|
||||
self.doc.grand_total = flt(self.doc.base_grand_total / self.doc.conversion_rate) \
|
||||
if (self.doc.base_taxes_and_charges_added or self.doc.base_taxes_and_charges_deducted) else self.doc.net_total
|
||||
|
||||
self.doc.total_taxes_and_charges = flt(self.doc.grand_total - self.doc.net_total,
|
||||
self.doc.precision("total_taxes_and_charges"))
|
||||
|
||||
self.doc.taxes_and_charges_added = flt(self.doc.base_taxes_and_charges_added / self.doc.conversion_rate,
|
||||
self.doc.precision("taxes_and_charges_added"))
|
||||
self.doc.taxes_and_charges_deducted = flt(self.doc.base_taxes_and_charges_deducted / self.doc.conversion_rate,
|
||||
self.doc.precision("taxes_and_charges_deducted"))
|
||||
|
||||
self.doc.base_grand_total = flt(self.doc.base_grand_total, self.doc.precision("base_grand_total"))
|
||||
self.doc.grand_total = flt(self.doc.grand_total, self.doc.precision("grand_total"))
|
||||
|
||||
if self.doc.meta.get_field("base_rounded_total"):
|
||||
self.doc.base_rounded_total = rounded(self.doc.base_grand_total)
|
||||
if self.doc.meta.get_field("rounded_total"):
|
||||
self.doc.rounded_total = rounded(self.doc.grand_total)
|
||||
|
||||
def _cleanup(self):
|
||||
for tax in self.doc.get("taxes"):
|
||||
tax.item_wise_tax_detail = json.dumps(tax.item_wise_tax_detail, separators=(',', ':'))
|
||||
|
||||
def apply_discount_amount(self):
|
||||
if self.doc.discount_amount:
|
||||
self.doc.base_discount_amount = flt(self.doc.discount_amount * self.doc.conversion_rate,
|
||||
self.doc.precision("base_discount_amount"))
|
||||
|
||||
grand_total_for_discount_amount = self.get_grand_total_for_discount_amount()
|
||||
|
||||
if grand_total_for_discount_amount:
|
||||
# calculate item amount after Discount Amount
|
||||
for item in self.doc.get("items"):
|
||||
distributed_amount = flt(self.doc.base_discount_amount) * item.base_amount / grand_total_for_discount_amount
|
||||
item.base_amount = flt(item.base_amount - distributed_amount, self.doc.precision("base_amount", item))
|
||||
|
||||
self.discount_amount_applied = True
|
||||
self._calculate()
|
||||
else:
|
||||
self.doc.base_discount_amount = 0
|
||||
|
||||
def get_grand_total_for_discount_amount(self):
|
||||
actual_taxes_dict = {}
|
||||
|
||||
for tax in self.doc.get("taxes"):
|
||||
if tax.charge_type == "Actual":
|
||||
actual_taxes_dict.setdefault(tax.idx, tax.tax_amount)
|
||||
elif tax.row_id in actual_taxes_dict:
|
||||
actual_tax_amount = flt(actual_taxes_dict.get(tax.row_id, 0)) * flt(tax.rate) / 100
|
||||
actual_taxes_dict.setdefault(tax.idx, actual_tax_amount)
|
||||
|
||||
grand_total_for_discount_amount = flt(self.doc.base_grand_total - sum(actual_taxes_dict.values()),
|
||||
self.doc.precision("base_grand_total"))
|
||||
return grand_total_for_discount_amount
|
||||
|
||||
|
||||
def calculate_total_advance(self, parenttype, advance_parentfield):
|
||||
if self.docstatus < 2:
|
||||
sum_of_allocated_amount = sum([flt(adv.allocated_amount, self.doc.precision("allocated_amount", adv))
|
||||
for adv in self.doc.get("advances")])
|
||||
|
||||
self.doc.total_advance = flt(sum_of_allocated_amount, self.doc.precision("total_advance"))
|
||||
|
||||
if self.docstatus == 0:
|
||||
self.calculate_outstanding_amount()
|
||||
|
||||
def calculate_outstanding_amount(self):
|
||||
# NOTE:
|
||||
# write_off_amount is only for POS Invoice
|
||||
# total_advance is only for non POS Invoice
|
||||
|
||||
if self.doctype == "Sales Invoice":
|
||||
self.round_floats_in(self.doc, ["base_grand_total", "total_advance", "write_off_amount", "paid_amount"])
|
||||
total_amount_to_pay = self.doc.base_grand_total - self.doc.write_off_amount
|
||||
self.doc.outstanding_amount = flt(total_amount_to_pay - self.doc.total_advance - self.doc.paid_amount,
|
||||
self.doc.precision("outstanding_amount"))
|
||||
else:
|
||||
self.round_floats_in(self.doc, ["total_advance", "write_off_amount"])
|
||||
self.doc.total_amount_to_pay = flt(self.doc.base_grand_total - self.doc.write_off_amount,
|
||||
self.doc.precision("total_amount_to_pay"))
|
||||
self.doc.outstanding_amount = flt(self.doc.total_amount_to_pay - self.doc.total_advance,
|
||||
self.doc.precision("outstanding_amount"))
|
||||
Loading…
Reference in New Issue
Block a user