71 lines
2.2 KiB
Python
71 lines
2.2 KiB
Python
"""
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deductions.py
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This module is used to compute the deductions of employees
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"""
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from payroll.models.models import Deduction
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def update_compensation_deduction(
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employee, compensation_amount, compensation_type, start_date, end_date
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):
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"""
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This method is used to update the basic or gross pay
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Args:
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compensation_amount (_type_): Gross pay or Basic pay or employee
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"""
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deduction_heads = (
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Deduction.objects.filter(
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update_compensation=compensation_type, specific_employees=employee
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)
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.exclude(one_time_date__lt=start_date)
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.exclude(one_time_date__gt=end_date)
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# .exclude(exclude_employees=employee)
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)
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deductions = []
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temp = compensation_amount
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for deduction in deduction_heads:
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amount = deduction.amount if deduction.amount else 0
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employee_rate = deduction.rate
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if employee_rate:
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amount = compensation_amount * employee_rate / 100
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compensation_amount = compensation_amount - float(amount)
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employer_contribution_amount = 0
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if max(0, deduction.employer_rate):
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employer_contribution_amount = (amount * deduction.employer_rate) / 100
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deductions.append(
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{
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"deduction_id": deduction.id,
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"title": deduction.title,
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"amount": amount,
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"employer_contribution_rate": deduction.employer_rate,
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"employer_contribution_amount": employer_contribution_amount,
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}
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)
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difference_amount = temp - compensation_amount
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return {
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"compensation_amount": compensation_amount,
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"deductions": deductions,
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"difference_amount": difference_amount,
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}
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def create_deductions(instance, amount, date):
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installment = Deduction()
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installment.title = f"{instance.title} - {date}"
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installment.include_active_employees = False
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installment.amount = amount
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installment.is_fixed = True
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installment.one_time_date = date
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installment.only_show_under_employee = True
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installment.is_installment = True
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installment.save()
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installment.include_active_employees = False
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installment.specific_employees.add(instance.employee_id)
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installment.save()
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return installment
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