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https://bitbucket.org/presik/trytonpsk-staff_payroll_co.git
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45 lines
1.5 KiB
Python
45 lines
1.5 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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start_range = fields.Numeric('Start Range', digits=(16, 0), required=True)
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end_range = fields.Numeric('End Range', digits=(16, 0), 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) / uvt_config
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uvt_withholdings = cls.search([
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('start_range', '>', payment2uvt),
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('end_range', '<=', payment2uvt),
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])
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if uvt_withholdings:
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uvt_wh = uvt_withholdings[0]
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value = (payment2uvt - uvt_wh.start_range) * (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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