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https://bitbucket.org/presik/trytonpsk-staff_payroll_co.git
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43 lines
1.4 KiB
Python
43 lines
1.4 KiB
Python
#This file is part of Tryton. The COPYRIGHT file at the top level of
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#this repository contains the full copyright notices and license terms.
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from decimal import Decimal
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from trytond.model import ModelView, ModelSQL, fields
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from trytond.pool import Pool
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__all__ = ['UvtWithholding']
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class UvtWithholding(ModelSQL, ModelView):
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"UVT Withholding"
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__name__ = 'staff.payroll.uvt_withholding'
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uvt_salary = fields.Float('UVT Salary', digits=(16, 2), required=True)
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rate = fields.Float('Rate', digits=(16, 2), required=True)
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@classmethod
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def __setup__(cls):
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super(UvtWithholding, cls).__setup__()
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@classmethod
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def compute_withholding(cls, payment):
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"""
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Compute unit price for application of withholdings tax to employee
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"""
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res = Decimal('0.0')
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Configuration = Pool().get('staff.configuration')
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configuration = Configuration(1)
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if not configuration.uvt_value:
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return res
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uvt_config = float(configuration.uvt_value)
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payment2uvt = (float(payment) * 0.75) / uvt_config
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uvt_withholdings = cls.search([
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('uvt_salary', '<=', payment2uvt),
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], order=[('uvt_salary', 'DESC')])
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if uvt_withholdings:
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uvt_wh = uvt_withholdings[0]
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value = (payment2uvt - uvt_wh.uvt_salary) * uvt_wh.rate / 100
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res = round(value, 1) * uvt_config
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res = Decimal(round(res, 2))
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return res
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