odoo18/addons/l10n_in/models/account_tax.py

124 lines
4.8 KiB
Python

from collections import defaultdict
from odoo import api, fields, models
from odoo.tools import frozendict
class AccountTax(models.Model):
_inherit = 'account.tax'
l10n_in_reverse_charge = fields.Boolean("Reverse charge", help="Tick this if this tax is reverse charge. Only for Indian accounting")
l10n_in_tax_type = fields.Selection(
selection=[('igst', 'igst'), ('cgst', 'cgst'), ('sgst', 'sgst'), ('cess', 'cess')],
compute='_compute_l10n_in_tax_type',
)
@api.depends('country_code', 'invoice_repartition_line_ids.tag_ids')
def _compute_l10n_in_tax_type(self):
self.l10n_in_tax_type = False
in_taxes = self.filtered(lambda tax: tax.country_code == 'IN')
if in_taxes:
tags_mapping = {
'igst': self.env.ref('l10n_in.tax_tag_igst'),
'cgst': self.env.ref('l10n_in.tax_tag_cgst'),
'sgst': self.env.ref('l10n_in.tax_tag_sgst'),
'cess': self.env.ref('l10n_in.tax_tag_cess'),
}
for tax in in_taxes:
tags = tax.invoice_repartition_line_ids.tag_ids
for tag_code, tag in tags_mapping.items():
if tag in tags:
tax.l10n_in_tax_type = tag_code
break
# -------------------------------------------------------------------------
# HELPERS IN BOTH PYTHON/JAVASCRIPT (hsn_summary.js / account_tax.py)
# HSN SUMMARY
# -------------------------------------------------------------------------
def _prepare_base_line_for_taxes_computation(self, record, **kwargs):
# EXTENDS 'account'
results = super()._prepare_base_line_for_taxes_computation(record, **kwargs)
results['l10n_in_hsn_code'] = self._get_base_line_field_value_from_record(record, 'l10n_in_hsn_code', kwargs, False)
return results
@api.model
def _l10n_in_get_hsn_summary_table(self, base_lines, display_uom):
l10n_in_tax_types = set()
items_map = defaultdict(lambda: {
'quantity': 0.0,
'amount_untaxed': 0.0,
'tax_amount_igst': 0.0,
'tax_amount_cgst': 0.0,
'tax_amount_sgst': 0.0,
'tax_amount_cess': 0.0,
})
def get_base_line_grouping_key(base_line):
unique_taxes_data = set(
tax_data['tax']
for tax_data in base_line['tax_details']['taxes_data']
if tax_data['tax']['l10n_in_tax_type'] in ('igst', 'cgst', 'sgst')
)
rate = sum(tax.amount for tax in unique_taxes_data)
return {
'l10n_in_hsn_code': base_line['l10n_in_hsn_code'],
'uom_name': base_line['product_uom_id'].name,
'rate': rate,
}
# quantity / amount_untaxed.
for base_line in base_lines:
key = frozendict(get_base_line_grouping_key(base_line))
if not key['l10n_in_hsn_code']:
continue
item = items_map[key]
item['quantity'] += base_line['quantity']
item['amount_untaxed'] += (
base_line['tax_details']['total_excluded_currency']
+ base_line['tax_details']['delta_total_excluded_currency']
)
# Tax amounts.
def grouping_function(base_line, tax_data):
return {
**get_base_line_grouping_key(base_line),
'l10n_in_tax_type': tax_data['tax'].l10n_in_tax_type,
} if tax_data else None
base_lines_aggregated_values = self._aggregate_base_lines_tax_details(base_lines, grouping_function)
values_per_grouping_key = self._aggregate_base_lines_aggregated_values(base_lines_aggregated_values)
for grouping_key, values in values_per_grouping_key.items():
if (
not grouping_key
or not grouping_key['l10n_in_hsn_code']
or not grouping_key['l10n_in_tax_type']
):
continue
key = frozendict({
'l10n_in_hsn_code': grouping_key['l10n_in_hsn_code'],
'rate': grouping_key['rate'],
'uom_name': grouping_key['uom_name'],
})
item = items_map[key]
l10n_in_tax_type = grouping_key['l10n_in_tax_type']
item[f'tax_amount_{l10n_in_tax_type}'] += values['tax_amount_currency']
l10n_in_tax_types.add(l10n_in_tax_type)
return {
'has_igst': 'igst' in l10n_in_tax_types,
'has_gst': bool({'cgst', 'sgst'} & l10n_in_tax_types),
'has_cess': 'cess' in l10n_in_tax_types,
'nb_columns': 5 + len(l10n_in_tax_types),
'display_uom': display_uom,
'items': [
key | values
for key, values in items_map.items()
],
}