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131 lines
4.7 KiB
Python
131 lines
4.7 KiB
Python
from math import copysign
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from odoo import _, api, exceptions, fields, models
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from odoo.tools.float_utils import float_compare
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class AccountTax(models.Model):
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"""Inherit to implement the tax using avatax API"""
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_inherit = "account.tax"
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is_avatax = fields.Boolean()
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@api.model
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def _get_avalara_tax_domain(self, tax_rate, doc_type):
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return [
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("amount", "=", tax_rate),
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("is_avatax", "=", True),
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(
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"company_id",
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"=",
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self.env.company.id,
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),
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]
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@api.model
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def _get_avalara_tax_name(self, tax_rate, doc_type=None):
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return _("{}%*").format(str(tax_rate))
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@api.model
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def get_avalara_tax(self, tax_rate, doc_type):
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domain = self._get_avalara_tax_domain(tax_rate, doc_type)
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tax = self.with_context(active_test=False).search(domain, limit=1)
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if tax and not tax.active:
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tax.active = True
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if not tax:
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domain = self._get_avalara_tax_domain(0, doc_type)
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tax_template = self.search(domain, limit=1)
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if not tax_template:
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raise exceptions.UserError(
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_("Please configure Avatax Tax for Company %s:")
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% self.env.company.name
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)
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# If you get a unique constraint error here,
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# check the data for your existing Avatax taxes.
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vals = {
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"amount": tax_rate,
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"name": self._get_avalara_tax_name(tax_rate, doc_type),
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}
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tax = tax_template.sudo().copy(default=vals)
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# Odoo core does not use the name set in default dict
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tax.name = vals.get("name")
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return tax
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def compute_all(
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self,
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price_unit,
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currency=None,
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quantity=1.0,
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product=None,
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partner=None,
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is_refund=False,
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handle_price_include=True,
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include_caba_tags=False,
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fixed_multiplicator=1,
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):
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"""
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Adopted as the central point to inject custom tax computations.
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Avatax logic is triggered if the "avatax_invoice" is set in the context.
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To find the Avatax amount, we search an Invoice line with the same
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quantity, price and product.
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"""
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res = super().compute_all(
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price_unit,
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currency,
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quantity,
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product,
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partner,
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is_refund,
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handle_price_include,
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include_caba_tags,
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fixed_multiplicator,
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)
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avatax_invoice = self.env.context.get("avatax_invoice")
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current_aml = False
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if "current_aml" in self.env.context:
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current_aml = self.env["account.move.line"].browse(
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self.env.context.get("current_aml")
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)
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if not (
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current_aml.display_type == "product"
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and current_aml.account_type != "asset_receivable"
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):
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avatax_invoice = False
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if avatax_invoice:
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# Find the Avatax amount in the invoice Lines
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# Looks up the line for the current product, price_unit, and quantity
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# Note that the price_unit used must consider discount
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base = res["total_excluded"]
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digits = 6
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avatax_amount = None
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if current_aml:
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avatax_amount = copysign(current_aml.avatax_amt_line, base)
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else:
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for line in avatax_invoice.invoice_line_ids:
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price_unit = line.currency_id._convert(
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price_unit,
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avatax_invoice.company_id.currency_id,
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avatax_invoice.company_id,
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avatax_invoice.date,
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)
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if (
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line.product_id == product
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and float_compare(line.quantity, quantity, digits) == 0
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):
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avatax_amount = copysign(line.avatax_amt_line, base)
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break
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if avatax_amount is None:
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avatax_amount = 0.0
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raise exceptions.UserError(
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_(
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"Incorrect retrieval of Avatax amount for Invoice %(avatax_invoice)s:"
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" product %(product.display_name)s, price_unit %(-price_unit)f"
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" , quantity %(quantity)f"
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)
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)
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for tax_item in res["taxes"]:
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if tax_item["amount"] != 0:
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tax_item["amount"] = avatax_amount
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res["total_included"] = base + avatax_amount
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return res
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