brotherton-erpnext/erpnext/controllers/taxes_and_totals.py

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# Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
# License: GNU General Public License v3. See license.txt
import json
import frappe
from frappe import _, scrub
from frappe.utils import cint, flt, round_based_on_smallest_currency_fraction
import erpnext
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from erpnext.accounts.doctype.journal_entry.journal_entry import get_exchange_rate
from erpnext.accounts.doctype.pricing_rule.utils import get_applied_pricing_rules
from erpnext.controllers.accounts_controller import (
validate_conversion_rate,
validate_inclusive_tax,
validate_taxes_and_charges,
)
from erpnext.stock.get_item_details import _get_item_tax_template
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class calculate_taxes_and_totals(object):
def __init__(self, doc):
self.doc = doc
frappe.flags.round_off_applicable_accounts = []
get_round_off_applicable_accounts(self.doc.company, frappe.flags.round_off_applicable_accounts)
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self.calculate()
def calculate(self):
if not len(self.doc.get("items")):
return
self.discount_amount_applied = False
self._calculate()
if self.doc.meta.get_field("discount_amount"):
self.set_discount_amount()
self.apply_discount_amount()
if self.doc.doctype in ["Sales Invoice", "Purchase Invoice"]:
self.calculate_total_advance()
if self.doc.meta.get_field("other_charges_calculation"):
self.set_item_wise_tax_breakup()
def _calculate(self):
self.validate_conversion_rate()
self.calculate_item_values()
self.validate_item_tax_template()
self.initialize_taxes()
self.determine_exclusive_rate()
self.calculate_net_total()
self.calculate_shipping_charges()
self.calculate_taxes()
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self.manipulate_grand_total_for_inclusive_tax()
self.calculate_totals()
self._cleanup()
self.calculate_total_net_weight()
def validate_item_tax_template(self):
for item in self.doc.get('items'):
if item.item_code and item.get('item_tax_template'):
item_doc = frappe.get_cached_doc("Item", item.item_code)
args = {
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'net_rate': item.net_rate or item.rate,
'tax_category': self.doc.get('tax_category'),
'posting_date': self.doc.get('posting_date'),
'bill_date': self.doc.get('bill_date'),
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'transaction_date': self.doc.get('transaction_date'),
'company': self.doc.get('company')
}
item_group = item_doc.item_group
item_group_taxes = []
while item_group:
item_group_doc = frappe.get_cached_doc('Item Group', item_group)
item_group_taxes += item_group_doc.taxes or []
item_group = item_group_doc.parent_item_group
item_taxes = item_doc.taxes or []
if not item_group_taxes and (not item_taxes):
# No validation if no taxes in item or item group
continue
taxes = _get_item_tax_template(args, item_taxes + item_group_taxes, for_validate=True)
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if taxes:
if item.item_tax_template not in taxes:
item.item_tax_template = taxes[0]
frappe.msgprint(_("Row {0}: Item Tax template updated as per validity and rate applied").format(
item.idx, frappe.bold(item.item_code)
))
def validate_conversion_rate(self):
# validate conversion rate
company_currency = erpnext.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)
def calculate_item_values(self):
if self.doc.get('is_consolidated'):
return
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 item.price_list_rate:
if not item.rate or (item.pricing_rules and item.discount_percentage > 0):
item.rate = flt(item.price_list_rate *
(1.0 - (item.discount_percentage / 100.0)), item.precision("rate"))
item.discount_amount = item.price_list_rate * (item.discount_percentage / 100.0)
elif item.discount_amount and item.pricing_rules:
item.rate = item.price_list_rate - item.discount_amount
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if item.doctype in ['Quotation Item', 'Sales Order Item', 'Delivery Note Item', 'Sales Invoice Item', 'POS Invoice Item', 'Purchase Invoice Item', 'Purchase Order Item', 'Purchase Receipt Item']:
item.rate_with_margin, item.base_rate_with_margin = self.calculate_margin(item)
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if flt(item.rate_with_margin) > 0:
item.rate = flt(item.rate_with_margin * (1.0 - (item.discount_percentage / 100.0)), item.precision("rate"))
if item.discount_amount and not item.discount_percentage:
item.rate = item.rate_with_margin - item.discount_amount
else:
item.discount_amount = item.rate_with_margin - item.rate
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elif flt(item.price_list_rate) > 0:
item.discount_amount = item.price_list_rate - item.rate
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elif flt(item.price_list_rate) > 0 and not item.discount_amount:
item.discount_amount = item.price_list_rate - item.rate
item.net_rate = item.rate
if not item.qty and self.doc.get("is_return"):
item.amount = flt(-1 * item.rate, item.precision("amount"))
elif not item.qty and self.doc.get("is_debit_note"):
item.amount = flt(item.rate, item.precision("amount"))
else:
item.amount = flt(item.rate * item.qty, item.precision("amount"))
item.net_amount = item.amount
self._set_in_company_currency(item, ["price_list_rate", "rate", "net_rate", "amount", "net_amount"])
item.item_tax_amount = 0.0
def _set_in_company_currency(self, doc, fields):
"""set values in base currency"""
for f in fields:
val = flt(flt(doc.get(f), doc.precision(f)) * self.doc.conversion_rate, doc.precision("base_" + f))
doc.set("base_" + f, val)
def initialize_taxes(self):
for tax in self.doc.get("taxes"):
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if not self.discount_amount_applied:
validate_taxes_and_charges(tax)
validate_inclusive_tax(tax, self.doc)
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if not (self.doc.get('is_consolidated') or tax.get("dont_recompute_tax")):
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"]
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if tax.charge_type != "Actual" and \
not (self.discount_amount_applied and self.doc.apply_discount_on=="Grand Total"):
tax_fields.append("tax_amount")
for fieldname in tax_fields:
tax.set(fieldname, 0.0)
self.doc.round_floats_in(tax)
def determine_exclusive_rate(self):
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if not any(cint(tax.included_in_print_rate) for tax in self.doc.get("taxes")):
return
for item in self.doc.get("items"):
item_tax_map = self._load_item_tax_rate(item.item_tax_rate)
cumulated_tax_fraction = 0
total_inclusive_tax_amount_per_qty = 0
for i, tax in enumerate(self.doc.get("taxes")):
tax.tax_fraction_for_current_item, inclusive_tax_amount_per_qty = 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
total_inclusive_tax_amount_per_qty += inclusive_tax_amount_per_qty * flt(item.qty)
if not self.discount_amount_applied and item.qty and (cumulated_tax_fraction or total_inclusive_tax_amount_per_qty):
amount = flt(item.amount) - total_inclusive_tax_amount_per_qty
item.net_amount = flt(amount / (1 + cumulated_tax_fraction))
item.net_rate = flt(item.net_amount / item.qty, item.precision("net_rate"))
item.discount_percentage = flt(item.discount_percentage,
item.precision("discount_percentage"))
self._set_in_company_currency(item, ["net_rate", "net_amount"])
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
inclusive_tax_amount_per_qty = 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
elif tax.charge_type == "On Item Quantity":
inclusive_tax_amount_per_qty = flt(tax_rate)
if getattr(tax, "add_deduct_tax", None) and tax.add_deduct_tax == "Deduct":
current_tax_fraction *= -1.0
inclusive_tax_amount_per_qty *= -1.0
return current_tax_fraction, inclusive_tax_amount_per_qty
def _get_tax_rate(self, tax, item_tax_map):
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if tax.account_head in item_tax_map:
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.total_qty = self.doc.total = self.doc.base_total = self.doc.net_total = self.doc.base_net_total = 0.0
for item in self.doc.get("items"):
self.doc.total += item.amount
self.doc.total_qty += item.qty
self.doc.base_total += item.base_amount
self.doc.net_total += item.net_amount
self.doc.base_net_total += item.base_net_amount
self.doc.round_floats_in(self.doc, ["total", "base_total", "net_total", "base_net_total"])
def calculate_shipping_charges(self):
if hasattr(self.doc, "shipping_rule") and self.doc.shipping_rule:
shipping_rule = frappe.get_doc("Shipping Rule", self.doc.shipping_rule)
shipping_rule.apply(self.doc)
def calculate_taxes(self):
if not self.doc.get('is_consolidated'):
self.doc.rounding_adjustment = 0
# maintain actual tax rate based on idx
actual_tax_dict = dict([[tax.idx, flt(tax.tax_amount, tax.precision("tax_amount"))]
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]
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# accumulate tax amount into tax.tax_amount
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if tax.charge_type != "Actual" and \
not (self.discount_amount_applied and self.doc.apply_discount_on=="Grand Total"):
tax.tax_amount += current_tax_amount
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# 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
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# set tax after discount
tax.tax_amount_after_discount_amount += current_tax_amount
current_tax_amount = self.get_tax_amount_if_for_valuation_or_deduction(current_tax_amount, tax)
# 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.net_amount + current_tax_amount)
else:
tax.grand_total_for_current_item = \
flt(self.doc.get("taxes")[i-1].grand_total_for_current_item + current_tax_amount)
# set precision in the last item iteration
if n == len(self.doc.get("items")) - 1:
self.round_off_totals(tax)
self._set_in_company_currency(tax,
["tax_amount", "tax_amount_after_discount_amount"])
self.round_off_base_values(tax)
self.set_cumulative_total(i, tax)
self._set_in_company_currency(tax, ["total"])
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# adjust Discount Amount loss in last tax iteration
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if i == (len(self.doc.get("taxes")) - 1) and self.discount_amount_applied \
and self.doc.discount_amount \
and self.doc.apply_discount_on == "Grand Total" \
and not self.doc.get('is_consolidated'):
self.doc.rounding_adjustment = flt(self.doc.grand_total
- flt(self.doc.discount_amount) - tax.total,
self.doc.precision("rounding_adjustment"))
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def get_tax_amount_if_for_valuation_or_deduction(self, tax_amount, tax):
# if just for valuation, do not add the tax amount in total
# if tax/charges is for deduction, multiply by -1
if getattr(tax, "category", None):
tax_amount = 0.0 if (tax.category == "Valuation") else tax_amount
if self.doc.doctype in ["Purchase Order", "Purchase Invoice", "Purchase Receipt", "Supplier Quotation"]:
tax_amount *= -1.0 if (tax.add_deduct_tax == "Deduct") else 1.0
return tax_amount
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def set_cumulative_total(self, row_idx, tax):
tax_amount = tax.tax_amount_after_discount_amount
tax_amount = self.get_tax_amount_if_for_valuation_or_deduction(tax_amount, tax)
if row_idx == 0:
tax.total = flt(self.doc.net_total + tax_amount, tax.precision("total"))
else:
tax.total = flt(self.doc.get("taxes")[row_idx-1].total + tax_amount, tax.precision("total"))
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.tax_amount, tax.precision("tax_amount"))
current_tax_amount = item.net_amount*actual / self.doc.net_total if self.doc.net_total else 0.0
elif tax.charge_type == "On Net Total":
current_tax_amount = (tax_rate / 100.0) * item.net_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
elif tax.charge_type == "On Item Quantity":
current_tax_amount = tax_rate * item.qty
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if not (self.doc.get("is_consolidated") or tax.get("dont_recompute_tax")):
self.set_item_wise_tax(item, tax, tax_rate, current_tax_amount)
return current_tax_amount
def set_item_wise_tax(self, item, tax, tax_rate, current_tax_amount):
# store tax breakup for each item
key = item.item_code or item.item_name
item_wise_tax_amount = current_tax_amount*self.doc.conversion_rate
if tax.item_wise_tax_detail.get(key):
item_wise_tax_amount += tax.item_wise_tax_detail[key][1]
tax.item_wise_tax_detail[key] = [tax_rate,flt(item_wise_tax_amount)]
def round_off_totals(self, tax):
if tax.account_head in frappe.flags.round_off_applicable_accounts:
tax.tax_amount = round(tax.tax_amount, 0)
tax.tax_amount_after_discount_amount = round(tax.tax_amount_after_discount_amount, 0)
tax.tax_amount = flt(tax.tax_amount, tax.precision("tax_amount"))
tax.tax_amount_after_discount_amount = flt(tax.tax_amount_after_discount_amount,
tax.precision("tax_amount"))
def round_off_base_values(self, tax):
# Round off to nearest integer based on regional settings
if tax.account_head in frappe.flags.round_off_applicable_accounts:
tax.base_tax_amount = round(tax.base_tax_amount, 0)
tax.base_tax_amount_after_discount_amount = round(tax.base_tax_amount_after_discount_amount, 0)
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def manipulate_grand_total_for_inclusive_tax(self):
# if fully inclusive taxes and diff
if self.doc.get("taxes") and any(cint(t.included_in_print_rate) for t in self.doc.get("taxes")):
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last_tax = self.doc.get("taxes")[-1]
non_inclusive_tax_amount = sum(flt(d.tax_amount_after_discount_amount)
for d in self.doc.get("taxes") if not d.included_in_print_rate)
diff = self.doc.total + non_inclusive_tax_amount \
- flt(last_tax.total, last_tax.precision("total"))
# If discount amount applied, deduct the discount amount
# because self.doc.total is always without discount, but last_tax.total is after discount
if self.discount_amount_applied and self.doc.discount_amount:
diff -= flt(self.doc.discount_amount)
diff = flt(diff, self.doc.precision("rounding_adjustment"))
if diff and abs(diff) <= (5.0 / 10**last_tax.precision("tax_amount")):
self.doc.rounding_adjustment = diff
def calculate_totals(self):
if self.doc.get("taxes"):
self.doc.grand_total = flt(self.doc.get("taxes")[-1].total) + flt(self.doc.rounding_adjustment)
else:
self.doc.grand_total = flt(self.doc.net_total)
if self.doc.get("taxes"):
self.doc.total_taxes_and_charges = flt(self.doc.grand_total - self.doc.net_total
- flt(self.doc.rounding_adjustment), self.doc.precision("total_taxes_and_charges"))
else:
self.doc.total_taxes_and_charges = 0.0
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self._set_in_company_currency(self.doc, ["total_taxes_and_charges", "rounding_adjustment"])
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refactor: POS workflow (#20789) * refactor: add pos invoice doctype replacing sales invoice in POS * refactor: move pos.py to pos invoice * feat: add pos invoice merge log doctype * feat: ability to merge pos invoices into a sales invoice * feat: [wip] new ui for point of sale * fix: pos.py moved to pos_invoice * feat: loyalty points for POS Invoice * fix: loyalty points on merging * feat: return against pos invoices * Merge 'fork/serial-no-selector' into refactor-pos-invoice * chore: status fix and set warehouse from pos profile * fix: naming series * feat: merge pos returns into credit notes * feat: add pos list action for merging into sales invoices * feat[UX]: add shortcuts & focus on search after customer selection * feat: stock validation from previous pos transactions * Merge 'fork/serial-no-selector' into refactor-pos-invoice * chore: fix df not found for base_amount precision * feat: serial no validation from previous pos transactions * chore: move pos.py into pos page * feat: pos opening voucher * feat: link pos closing voucher with opening voucher * chore: use map_doc instead of get_mapped_doc for better perf * feat: enforce opening voucher on pos page * feat: [ui] [wip] point of sale beta ui refactor * fix: auto fetching serial nos with batch no * feat: [ui] item details section for new pos ui * feat: remove item from cart * refactor: [ui] [wip] split point_of_sale into components * new payment component * new numberpad * fix pos opening status * move from flex to grids * fix: search from item selector * feat: loyalty points as payment method * feat: pos invoice status * fix a bug with invalid JSON * fix: loyalty program ui fixes * feat: past order list and past order summary * feat: (minor) setting discount from item details * fix: adding item before customer selection * feat: post order submission summary * save and open draft orders * fix: item group filter * fix: item_det not defined while submitting sle * fix: minor bugs * fix: minor ux fixes * feat: show opening time in pos ui * feat: item and customer images * feat: emailing and printing an invoice * fix: item details field edit shows empty alert * fix: (minor) ux fixes * chore: rename pos opening voucher to pos opening entry * chore: (minor) rename pos closing voucher and sub doctypes * chore: add patch for renaming pos closing doctypes * fix: negative stock not allowed in pos invoices* default is_pos in pos invoices* fix: transalation * fix: invoices not getting fetched on pos closing * fix: indentation * feat: view / edit customer info * fix: minor bugs * fix: minor bug * fix: patch * fix: minor ux issues * fix: remove uppercase status * refactor: pos closing payment reconciliation * fix: move pos invoice print formats to pos invoice doctype * fix: ui issues * feat: new child doctype to store pos payment mode details * fix: add to patches.txt * feat: search by serial no * chore: [wip] code cleanup * fix: item not selectable from cart * chore: [wip] code cleanup * fix: minor issues * loyalty points transactions * default payment mode * fix: minor fixes * set correct mop amount with loaylty points * editing draft invoices from UI * chore: pos invoice merge log tests * fix: batch / serial validation in pos ui and on submission * feat: use onscan js for barcode scan events * fix: cart header with amount column * fix: validate batch no and qty in pos transactions * chore: do not fetch closing balances as opening balance * feat: show available qty in item selector * feat: shortcuts * fix: onscan.js not found * fix: onscan.js not found * fix: cannot return partial items * fix: neagtive stock indicator * feat: invoice discount * fix: change available stock on warehouse change * chore: cleanup code * fix: pos profile payment method table * feat: adding same item with different uom * fix: loyalty points deleted after consolidation * fix: enter loyalty amount instead of loyalty points * chore: return print format * feat: custom fields in pos view * chore: pos invoice test * chore: remove offline pos * fix: cyclic dependency * fix: cyclic dependency * patch: remove pos page and order fixes * chore: little fixes * fix: patch perf and plural naming * chore: tidy up pos invoice validation * chore: move pos closing to accounts * fix: move pos doctypes to accounts * fix: move pos doctypes to accounts * fix: item description in cart * fix: item description in cart * chore: loyalty tests * minor fixes * chore: rename point of sale beta to point of sale * chore: reset past order summary on filter change * chore: add point of sale to accounting desk * fix: payment reconciliation table in pos closing * fix: travis * Update accounting.json * fix: test cases * fix: tests * patch loyalty point entries * fix: remove test * default mode of payment is mandatory for pos transaction * chore: remove unused checks from pos profile * fix: loyalty point entry patch * fix: numpad reset and patches * fix: minor bugs * fix: travis * fix: travis * fix: travis * fix: travis Co-authored-by: Nabin Hait <nabinhait@gmail.com>
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if self.doc.doctype in ["Quotation", "Sales Order", "Delivery Note", "Sales Invoice", "POS Invoice"]:
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self.doc.base_grand_total = flt(self.doc.grand_total * self.doc.conversion_rate, self.doc.precision("base_grand_total")) \
if self.doc.total_taxes_and_charges else self.doc.base_net_total
else:
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self.doc.taxes_and_charges_added = self.doc.taxes_and_charges_deducted = 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.taxes_and_charges_added += flt(tax.tax_amount_after_discount_amount)
else:
self.doc.taxes_and_charges_deducted += flt(tax.tax_amount_after_discount_amount)
self.doc.round_floats_in(self.doc, ["taxes_and_charges_added", "taxes_and_charges_deducted"])
self.doc.base_grand_total = flt(self.doc.grand_total * self.doc.conversion_rate) \
if (self.doc.taxes_and_charges_added or self.doc.taxes_and_charges_deducted) \
else self.doc.base_net_total
self._set_in_company_currency(self.doc,
["taxes_and_charges_added", "taxes_and_charges_deducted"])
self.doc.round_floats_in(self.doc, ["grand_total", "base_grand_total"])
self.set_rounded_total()
def calculate_total_net_weight(self):
if self.doc.meta.get_field('total_net_weight'):
self.doc.total_net_weight = 0.0
for d in self.doc.items:
if d.total_weight:
self.doc.total_net_weight += d.total_weight
def set_rounded_total(self):
if not self.doc.get('is_consolidated'):
if self.doc.meta.get_field("rounded_total"):
if self.doc.is_rounded_total_disabled():
self.doc.rounded_total = self.doc.base_rounded_total = 0
return
self.doc.rounded_total = round_based_on_smallest_currency_fraction(self.doc.grand_total,
self.doc.currency, self.doc.precision("rounded_total"))
#if print_in_rate is set, we would have already calculated rounding adjustment
self.doc.rounding_adjustment += flt(self.doc.rounded_total - self.doc.grand_total,
self.doc.precision("rounding_adjustment"))
self._set_in_company_currency(self.doc, ["rounding_adjustment", "rounded_total"])
def _cleanup(self):
if not self.doc.get('is_consolidated'):
for tax in self.doc.get("taxes"):
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if not tax.get("dont_recompute_tax"):
tax.item_wise_tax_detail = json.dumps(tax.item_wise_tax_detail, separators=(',', ':'))
def set_discount_amount(self):
if self.doc.additional_discount_percentage:
self.doc.discount_amount = flt(flt(self.doc.get(scrub(self.doc.apply_discount_on)))
* self.doc.additional_discount_percentage / 100, self.doc.precision("discount_amount"))
def apply_discount_amount(self):
if self.doc.discount_amount:
if not self.doc.apply_discount_on:
frappe.throw(_("Please select Apply Discount On"))
self.doc.base_discount_amount = flt(self.doc.discount_amount * self.doc.conversion_rate,
self.doc.precision("base_discount_amount"))
total_for_discount_amount = self.get_total_for_discount_amount()
taxes = self.doc.get("taxes")
net_total = 0
if total_for_discount_amount:
# calculate item amount after Discount Amount
for i, item in enumerate(self.doc.get("items")):
distributed_amount = flt(self.doc.discount_amount) * \
item.net_amount / total_for_discount_amount
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item.net_amount = flt(item.net_amount - distributed_amount, item.precision("net_amount"))
net_total += item.net_amount
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# discount amount rounding loss adjustment if no taxes
if (self.doc.apply_discount_on == "Net Total" or not taxes or total_for_discount_amount==self.doc.net_total) \
and i == len(self.doc.get("items")) - 1:
discount_amount_loss = flt(self.doc.net_total - net_total - self.doc.discount_amount,
self.doc.precision("net_total"))
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item.net_amount = flt(item.net_amount + discount_amount_loss,
item.precision("net_amount"))
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item.net_rate = flt(item.net_amount / item.qty, item.precision("net_rate")) if item.qty else 0
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self._set_in_company_currency(item, ["net_rate", "net_amount"])
self.discount_amount_applied = True
self._calculate()
else:
self.doc.base_discount_amount = 0
def get_total_for_discount_amount(self):
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if self.doc.apply_discount_on == "Net Total":
return self.doc.net_total
else:
actual_taxes_dict = {}
for tax in self.doc.get("taxes"):
if tax.charge_type in ["Actual", "On Item Quantity"]:
tax_amount = self.get_tax_amount_if_for_valuation_or_deduction(tax.tax_amount, tax)
actual_taxes_dict.setdefault(tax.idx, 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)
return flt(self.doc.grand_total - sum(actual_taxes_dict.values()),
self.doc.precision("grand_total"))
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def calculate_total_advance(self):
if self.doc.docstatus < 2:
total_allocated_amount = sum(flt(adv.allocated_amount, adv.precision("allocated_amount"))
for adv in self.doc.get("advances"))
self.doc.total_advance = flt(total_allocated_amount, self.doc.precision("total_advance"))
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grand_total = self.doc.rounded_total or self.doc.grand_total
if self.doc.party_account_currency == self.doc.currency:
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invoice_total = flt(grand_total - flt(self.doc.write_off_amount),
self.doc.precision("grand_total"))
else:
base_write_off_amount = flt(flt(self.doc.write_off_amount) * self.doc.conversion_rate,
self.doc.precision("base_write_off_amount"))
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invoice_total = flt(grand_total * self.doc.conversion_rate,
self.doc.precision("grand_total")) - base_write_off_amount
if invoice_total > 0 and self.doc.total_advance > invoice_total:
frappe.throw(_("Advance amount cannot be greater than {0} {1}")
.format(self.doc.party_account_currency, invoice_total))
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if self.doc.docstatus == 0:
self.calculate_outstanding_amount()
def is_internal_invoice(self):
"""
Checks if its an internal transfer invoice
and decides if to calculate any out standing amount or not
"""
if self.doc.doctype in ('Sales Invoice', 'Purchase Invoice') and self.doc.is_internal_transfer():
return True
return False
def calculate_outstanding_amount(self):
# NOTE:
# write_off_amount is only for POS Invoice
# total_advance is only for non POS Invoice
if self.doc.doctype == "Sales Invoice":
self.calculate_paid_amount()
if self.doc.is_return and self.doc.return_against and not self.doc.get('is_pos') or \
self.is_internal_invoice(): return
self.doc.round_floats_in(self.doc, ["grand_total", "total_advance", "write_off_amount"])
self._set_in_company_currency(self.doc, ['write_off_amount'])
if self.doc.doctype in ["Sales Invoice", "Purchase Invoice"]:
grand_total = self.doc.rounded_total or self.doc.grand_total
base_grand_total = self.doc.base_rounded_total or self.doc.base_grand_total
if self.doc.party_account_currency == self.doc.currency:
total_amount_to_pay = flt(grand_total - self.doc.total_advance
- flt(self.doc.write_off_amount), self.doc.precision("grand_total"))
else:
total_amount_to_pay = flt(flt(base_grand_total, self.doc.precision("base_grand_total")) - self.doc.total_advance
- flt(self.doc.base_write_off_amount), self.doc.precision("base_grand_total"))
self.doc.round_floats_in(self.doc, ["paid_amount"])
change_amount = 0
if self.doc.doctype == "Sales Invoice" and not self.doc.get('is_return'):
self.calculate_write_off_amount()
self.calculate_change_amount()
change_amount = self.doc.change_amount \
if self.doc.party_account_currency == self.doc.currency else self.doc.base_change_amount
paid_amount = self.doc.paid_amount \
if self.doc.party_account_currency == self.doc.currency else self.doc.base_paid_amount
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self.doc.outstanding_amount = flt(total_amount_to_pay - flt(paid_amount) + flt(change_amount),
self.doc.precision("outstanding_amount"))
if self.doc.doctype == 'Sales Invoice' and self.doc.get('is_pos') and self.doc.get('is_return'):
self.set_total_amount_to_default_mop(total_amount_to_pay)
self.calculate_paid_amount()
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def calculate_paid_amount(self):
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paid_amount = base_paid_amount = 0.0
if self.doc.is_pos:
for payment in self.doc.get('payments'):
payment.amount = flt(payment.amount)
payment.base_amount = payment.amount * flt(self.doc.conversion_rate)
paid_amount += payment.amount
base_paid_amount += payment.base_amount
elif not self.doc.is_return:
self.doc.set('payments', [])
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if self.doc.redeem_loyalty_points and self.doc.loyalty_amount:
base_paid_amount += self.doc.loyalty_amount
paid_amount += (self.doc.loyalty_amount / flt(self.doc.conversion_rate))
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self.doc.paid_amount = flt(paid_amount, self.doc.precision("paid_amount"))
self.doc.base_paid_amount = flt(base_paid_amount, self.doc.precision("base_paid_amount"))
def calculate_change_amount(self):
self.doc.change_amount = 0.0
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self.doc.base_change_amount = 0.0
grand_total = self.doc.rounded_total or self.doc.grand_total
base_grand_total = self.doc.base_rounded_total or self.doc.base_grand_total
if self.doc.doctype == "Sales Invoice" \
and self.doc.paid_amount > grand_total and not self.doc.is_return \
and any(d.type == "Cash" for d in self.doc.payments):
self.doc.change_amount = flt(self.doc.paid_amount - grand_total +
self.doc.write_off_amount, self.doc.precision("change_amount"))
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self.doc.base_change_amount = flt(self.doc.base_paid_amount - base_grand_total +
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self.doc.base_write_off_amount, self.doc.precision("base_change_amount"))
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def calculate_write_off_amount(self):
if flt(self.doc.change_amount) > 0:
self.doc.write_off_amount = flt(self.doc.grand_total - self.doc.paid_amount
+ self.doc.change_amount, self.doc.precision("write_off_amount"))
self.doc.base_write_off_amount = flt(self.doc.write_off_amount * self.doc.conversion_rate,
self.doc.precision("base_write_off_amount"))
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def calculate_margin(self, item):
rate_with_margin = 0.0
base_rate_with_margin = 0.0
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if item.price_list_rate:
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if item.pricing_rules and not self.doc.ignore_pricing_rule:
has_margin = False
for d in get_applied_pricing_rules(item.pricing_rules):
pricing_rule = frappe.get_cached_doc('Pricing Rule', d)
2019-03-18 09:04:19 +00:00
2021-02-01 17:28:22 +00:00
if pricing_rule.margin_rate_or_amount and ((pricing_rule.currency == self.doc.currency and
pricing_rule.margin_type in ['Amount', 'Percentage']) or pricing_rule.margin_type == 'Percentage'):
2019-03-18 09:04:19 +00:00
item.margin_type = pricing_rule.margin_type
item.margin_rate_or_amount = pricing_rule.margin_rate_or_amount
has_margin = True
if not has_margin:
item.margin_type = None
item.margin_rate_or_amount = 0.0
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if not item.pricing_rules and flt(item.rate) > flt(item.price_list_rate):
item.margin_type = "Amount"
item.margin_rate_or_amount = flt(item.rate - item.price_list_rate,
item.precision("margin_rate_or_amount"))
item.rate_with_margin = item.rate
elif item.margin_type and item.margin_rate_or_amount:
margin_value = item.margin_rate_or_amount if item.margin_type == 'Amount' else flt(item.price_list_rate) * flt(item.margin_rate_or_amount) / 100
rate_with_margin = flt(item.price_list_rate) + flt(margin_value)
base_rate_with_margin = flt(rate_with_margin) * flt(self.doc.conversion_rate)
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return rate_with_margin, base_rate_with_margin
def set_item_wise_tax_breakup(self):
self.doc.other_charges_calculation = get_itemised_tax_breakup_html(self.doc)
def set_total_amount_to_default_mop(self, total_amount_to_pay):
refactor: POS workflow (#20789) * refactor: add pos invoice doctype replacing sales invoice in POS * refactor: move pos.py to pos invoice * feat: add pos invoice merge log doctype * feat: ability to merge pos invoices into a sales invoice * feat: [wip] new ui for point of sale * fix: pos.py moved to pos_invoice * feat: loyalty points for POS Invoice * fix: loyalty points on merging * feat: return against pos invoices * Merge 'fork/serial-no-selector' into refactor-pos-invoice * chore: status fix and set warehouse from pos profile * fix: naming series * feat: merge pos returns into credit notes * feat: add pos list action for merging into sales invoices * feat[UX]: add shortcuts & focus on search after customer selection * feat: stock validation from previous pos transactions * Merge 'fork/serial-no-selector' into refactor-pos-invoice * chore: fix df not found for base_amount precision * feat: serial no validation from previous pos transactions * chore: move pos.py into pos page * feat: pos opening voucher * feat: link pos closing voucher with opening voucher * chore: use map_doc instead of get_mapped_doc for better perf * feat: enforce opening voucher on pos page * feat: [ui] [wip] point of sale beta ui refactor * fix: auto fetching serial nos with batch no * feat: [ui] item details section for new pos ui * feat: remove item from cart * refactor: [ui] [wip] split point_of_sale into components * new payment component * new numberpad * fix pos opening status * move from flex to grids * fix: search from item selector * feat: loyalty points as payment method * feat: pos invoice status * fix a bug with invalid JSON * fix: loyalty program ui fixes * feat: past order list and past order summary * feat: (minor) setting discount from item details * fix: adding item before customer selection * feat: post order submission summary * save and open draft orders * fix: item group filter * fix: item_det not defined while submitting sle * fix: minor bugs * fix: minor ux fixes * feat: show opening time in pos ui * feat: item and customer images * feat: emailing and printing an invoice * fix: item details field edit shows empty alert * fix: (minor) ux fixes * chore: rename pos opening voucher to pos opening entry * chore: (minor) rename pos closing voucher and sub doctypes * chore: add patch for renaming pos closing doctypes * fix: negative stock not allowed in pos invoices* default is_pos in pos invoices* fix: transalation * fix: invoices not getting fetched on pos closing * fix: indentation * feat: view / edit customer info * fix: minor bugs * fix: minor bug * fix: patch * fix: minor ux issues * fix: remove uppercase status * refactor: pos closing payment reconciliation * fix: move pos invoice print formats to pos invoice doctype * fix: ui issues * feat: new child doctype to store pos payment mode details * fix: add to patches.txt * feat: search by serial no * chore: [wip] code cleanup * fix: item not selectable from cart * chore: [wip] code cleanup * fix: minor issues * loyalty points transactions * default payment mode * fix: minor fixes * set correct mop amount with loaylty points * editing draft invoices from UI * chore: pos invoice merge log tests * fix: batch / serial validation in pos ui and on submission * feat: use onscan js for barcode scan events * fix: cart header with amount column * fix: validate batch no and qty in pos transactions * chore: do not fetch closing balances as opening balance * feat: show available qty in item selector * feat: shortcuts * fix: onscan.js not found * fix: onscan.js not found * fix: cannot return partial items * fix: neagtive stock indicator * feat: invoice discount * fix: change available stock on warehouse change * chore: cleanup code * fix: pos profile payment method table * feat: adding same item with different uom * fix: loyalty points deleted after consolidation * fix: enter loyalty amount instead of loyalty points * chore: return print format * feat: custom fields in pos view * chore: pos invoice test * chore: remove offline pos * fix: cyclic dependency * fix: cyclic dependency * patch: remove pos page and order fixes * chore: little fixes * fix: patch perf and plural naming * chore: tidy up pos invoice validation * chore: move pos closing to accounts * fix: move pos doctypes to accounts * fix: move pos doctypes to accounts * fix: item description in cart * fix: item description in cart * chore: loyalty tests * minor fixes * chore: rename point of sale beta to point of sale * chore: reset past order summary on filter change * chore: add point of sale to accounting desk * fix: payment reconciliation table in pos closing * fix: travis * Update accounting.json * fix: test cases * fix: tests * patch loyalty point entries * fix: remove test * default mode of payment is mandatory for pos transaction * chore: remove unused checks from pos profile * fix: loyalty point entry patch * fix: numpad reset and patches * fix: minor bugs * fix: travis * fix: travis * fix: travis * fix: travis Co-authored-by: Nabin Hait <nabinhait@gmail.com>
2020-07-23 13:21:26 +00:00
default_mode_of_payment = frappe.db.get_value('POS Payment Method',
{'parent': self.doc.pos_profile, 'default': 1}, ['mode_of_payment'], as_dict=1)
if default_mode_of_payment:
self.doc.payments = []
self.doc.append('payments', {
'mode_of_payment': default_mode_of_payment.mode_of_payment,
'amount': total_amount_to_pay,
'default': 1
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})
def get_itemised_tax_breakup_html(doc):
if not doc.taxes:
return
frappe.flags.company = doc.company
# get headers
tax_accounts = []
for tax in doc.taxes:
if getattr(tax, "category", None) and tax.category=="Valuation":
continue
if tax.description not in tax_accounts:
tax_accounts.append(tax.description)
headers = get_itemised_tax_breakup_header(doc.doctype + " Item", tax_accounts)
# get tax breakup data
itemised_tax, itemised_taxable_amount = get_itemised_tax_breakup_data(doc)
get_rounded_tax_amount(itemised_tax, doc.precision("tax_amount", "taxes"))
update_itemised_tax_data(doc)
frappe.flags.company = None
return frappe.render_template(
"templates/includes/itemised_tax_breakup.html", dict(
headers=headers,
itemised_tax=itemised_tax,
itemised_taxable_amount=itemised_taxable_amount,
tax_accounts=tax_accounts,
doc=doc
)
)
@frappe.whitelist()
def get_round_off_applicable_accounts(company, account_list):
account_list = get_regional_round_off_accounts(company, account_list)
return account_list
@erpnext.allow_regional
def get_regional_round_off_accounts(company, account_list):
pass
@erpnext.allow_regional
def update_itemised_tax_data(doc):
#Don't delete this method, used for localization
pass
@erpnext.allow_regional
def get_itemised_tax_breakup_header(item_doctype, tax_accounts):
return [_("Item"), _("Taxable Amount")] + tax_accounts
@erpnext.allow_regional
def get_itemised_tax_breakup_data(doc):
itemised_tax = get_itemised_tax(doc.taxes)
itemised_taxable_amount = get_itemised_taxable_amount(doc.items)
return itemised_tax, itemised_taxable_amount
def get_itemised_tax(taxes, with_tax_account=False):
itemised_tax = {}
for tax in taxes:
if getattr(tax, "category", None) and tax.category=="Valuation":
continue
item_tax_map = json.loads(tax.item_wise_tax_detail) if tax.item_wise_tax_detail else {}
if item_tax_map:
for item_code, tax_data in item_tax_map.items():
itemised_tax.setdefault(item_code, frappe._dict())
tax_rate = 0.0
tax_amount = 0.0
if isinstance(tax_data, list):
tax_rate = flt(tax_data[0])
tax_amount = flt(tax_data[1])
else:
tax_rate = flt(tax_data)
itemised_tax[item_code][tax.description] = frappe._dict(dict(
tax_rate = tax_rate,
tax_amount = tax_amount
))
if with_tax_account:
itemised_tax[item_code][tax.description].tax_account = tax.account_head
return itemised_tax
def get_itemised_taxable_amount(items):
itemised_taxable_amount = frappe._dict()
for item in items:
item_code = item.item_code or item.item_name
itemised_taxable_amount.setdefault(item_code, 0)
itemised_taxable_amount[item_code] += item.net_amount
return itemised_taxable_amount
def get_rounded_tax_amount(itemised_tax, precision):
# Rounding based on tax_amount precision
for taxes in itemised_tax.values():
for tax_account in taxes:
taxes[tax_account]["tax_amount"] = flt(taxes[tax_account]["tax_amount"], precision)
2020-12-25 13:04:39 +00:00
class init_landed_taxes_and_totals(object):
def __init__(self, doc):
self.doc = doc
self.tax_field = 'taxes' if self.doc.doctype == 'Landed Cost Voucher' else 'additional_costs'
self.set_account_currency()
self.set_exchange_rate()
self.set_amounts_in_company_currency()
def set_account_currency(self):
company_currency = erpnext.get_company_currency(self.doc.company)
for d in self.doc.get(self.tax_field):
if not d.account_currency:
account_currency = frappe.db.get_value('Account', d.expense_account, 'account_currency')
d.account_currency = account_currency or company_currency
def set_exchange_rate(self):
company_currency = erpnext.get_company_currency(self.doc.company)
for d in self.doc.get(self.tax_field):
if d.account_currency == company_currency:
d.exchange_rate = 1
elif not d.exchange_rate:
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d.exchange_rate = get_exchange_rate(self.doc.posting_date, account=d.expense_account,
account_currency=d.account_currency, company=self.doc.company)
if not d.exchange_rate:
frappe.throw(_("Row {0}: Exchange Rate is mandatory").format(d.idx))
def set_amounts_in_company_currency(self):
for d in self.doc.get(self.tax_field):
d.amount = flt(d.amount, d.precision("amount"))
d.base_amount = flt(d.amount * flt(d.exchange_rate), d.precision("base_amount"))