Displaying details about tax amounts on Sale Report


We often use 2 taxes on the same sale (ex. 6% for a product and 21% for a service).
On the original sale report, we could have then a tax amount which the sum of different taxes.


Here’s a small customization for a detailed tax amount like for the invoice report:

Code (it could probably be improved but that do the job :slight_smile: ):

from trytond.pool import PoolMeta, Pool

class Sale(metaclass=PoolMeta):
    __name__ = 'sale.sale'

    def report_tax_resume(self):
        pool = Pool()
        Tax = pool.get('account.tax')
        res = []
        for i, v in enumerate(self._get_taxes().values()):
            data = {}
            tax = Tax(v['tax'])
            data['index'] = i +1
            data['tax'] = tax
            data['tax_name'] = tax.name
            data['tax_description'] = tax.description
            data['amount'] = v['amount']
        return res

class SaleLine(metaclass=PoolMeta):
    __name__ = 'sale.line'

    def report_tax_indexes(self):
        sale_taxes = self.sale.report_tax_resume
        indexes = [t['index'] for t in (sale_taxes) for l in self.taxes
            if l in t.values()]
        return ','.join('[' + '%s' % i + ']' for i in indexes)



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