Игорь Надеин
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97 lines
3.5 KiB
Python
97 lines
3.5 KiB
Python
"""Balance-only corrections, deliberately unrelated to payroll input lines."""
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import uuid
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from decimal import Decimal
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from django.conf import settings
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from django.core.exceptions import ValidationError
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from django.core.validators import MinValueValidator
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from django.db import models
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from finance.enums import PayrollCarryoverDirection
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class PayrollBalanceAdjustment(models.Model):
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employee = models.ForeignKey(
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settings.AUTH_USER_MODEL,
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on_delete=models.PROTECT,
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related_name="payroll_balance_adjustments",
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)
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effective_period = models.ForeignKey(
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"finance.PayrollPeriod",
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on_delete=models.PROTECT,
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related_name="balance_adjustments",
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)
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source_period = models.ForeignKey(
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"finance.PayrollPeriod",
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on_delete=models.PROTECT,
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null=True,
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blank=True,
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related_name="referenced_balance_adjustments",
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)
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direction = models.CharField(
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max_length=20, choices=PayrollCarryoverDirection.choices
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)
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amount = models.DecimalField(
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max_digits=19,
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decimal_places=2,
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validators=[MinValueValidator(Decimal("0.01"))],
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)
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reason = models.CharField(max_length=1000, blank=True)
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request_id = models.UUIDField(default=uuid.uuid4, unique=True, editable=False)
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created_by = models.ForeignKey(
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settings.AUTH_USER_MODEL,
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on_delete=models.PROTECT,
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related_name="payroll_balance_adjustments_created",
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)
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created_at = models.DateTimeField(auto_now_add=True)
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voided_at = models.DateTimeField(null=True, blank=True)
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voided_by = models.ForeignKey(
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settings.AUTH_USER_MODEL,
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on_delete=models.PROTECT,
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null=True,
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blank=True,
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related_name="payroll_balance_adjustments_voided",
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)
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void_reason = models.CharField(max_length=1000, blank=True)
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class Meta:
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ordering = ["-effective_period__date_from", "-created_at", "-pk"]
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verbose_name = "Ручная корректировка остатка"
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verbose_name_plural = "Ручные корректировки остатков"
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constraints = [
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models.CheckConstraint(
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condition=models.Q(amount__gt=0),
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name="balance_adjustment_positive",
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),
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models.CheckConstraint(
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condition=models.Q(direction__in=["company_owes", "employee_owes"]),
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name="balance_adjustment_direction",
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),
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models.CheckConstraint(
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condition=(
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models.Q(
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voided_at__isnull=True, voided_by__isnull=True, void_reason=""
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)
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| models.Q(voided_at__isnull=False, voided_by__isnull=False)
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),
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name="balance_adjustment_void_consistent",
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),
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]
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@property
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def contribution(self):
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return self.amount if self.direction == "company_owes" else -self.amount
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def clean(self):
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super().clean()
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if self.source_period_id and self.effective_period_id:
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if self.source_period.currency != self.effective_period.currency:
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raise ValidationError(
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{"source_period": "Валюты периодов должны совпадать."}
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)
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if self.source_period.date_to >= self.effective_period.date_from:
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raise ValidationError(
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{"source_period": "Выберите более ранний период."}
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)
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