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feat: Validity for Item taxes (#20136)

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* feat: Validity for Item taxes

* fix: Add HSN wise taxes

* fix: Sort taxes based on validity

* fix: Validation for item tax template and filters based on validity

* fix: Add missing semicolon

* fix: Validate tax template only if item code available

* fix: Do not validate or filter item tax template if no item taxes applied

* fix: Consider item group for validating taxes

* fix: Test cases for item tax  validation

* fix: Item tax template filtering fixes

* fix: Add missing semicolon

* fix: Remove unnecessary query
This commit is contained in:
Deepesh Garg
2020-01-07 11:31:19 +05:30
committed by Nabin Hait
parent 6bbfce13fe
commit 55bdaae3ee
12 changed files with 303 additions and 208 deletions
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34
erpnext/controllers/taxes_and_totals.py
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@@ -8,6 +8,7 @@ from frappe import _, scrub
from frappe.utils import cint, flt, round_based_on_smallest_currency_fraction
from erpnext.controllers.accounts_controller import validate_conversion_rate, \
validate_taxes_and_charges, validate_inclusive_tax
from erpnext.stock.get_item_details import _get_item_tax_template
class calculate_taxes_and_totals(object):
def __init__(self, doc):
@@ -34,6 +35,7 @@ class calculate_taxes_and_totals(object):
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()
@@ -43,6 +45,38 @@ class calculate_taxes_and_totals(object):
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 = {
'tax_category': self.doc.get('tax_category'),
'posting_date': self.doc.get('posting_date'),
'bill_date': self.doc.get('bill_date'),
'transaction_date': self.doc.get('transaction_date')
}
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)
if item.item_tax_template not in taxes:
frappe.throw(_("Row {0}: Invalid Item Tax Template for item {1}").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)