45 lines
1.8 KiB
Python
45 lines
1.8 KiB
Python
from django.db import models
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from core.apps.management.models import Device
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class Expense(models.Model):
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class ExpenseType(models.TextChoices):
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SALARY = "salary", "Maosh"
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UTILITIES = "utilities", "Kommunal to‘lovlar"
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MAINTENANCE = "maintenance", "Texnik xizmat"
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FOOD = "food", "Oziq-ovqat"
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TRANSPORT = "transport", "Yo'lkira"
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BUY_TOYS = "buy_toys", "Oʻyinchoqlar sotib olish"
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OTHER = "other", "Boshqa"
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amount = models.DecimalField(max_digits=12, decimal_places=2)
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expense_type = models.CharField(
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max_length=20,
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choices=ExpenseType.choices,
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default=ExpenseType.OTHER,
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)
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# Conditional fields
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employee = models.ForeignKey("accounts.User", related_name="salaries", null=True, blank=True, on_delete=models.PROTECT)
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device = models.ForeignKey(Device, null=True, blank=True, on_delete=models.PROTECT)
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created_by = models.ForeignKey("accounts.User", on_delete=models.PROTECT)
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confirmed_by = models.ForeignKey(
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"accounts.User", on_delete=models.PROTECT,
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null=True, blank=True, related_name="confirmed_expenses"
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)
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comment = models.TextField(blank=True, null=True)
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is_confirmed = models.BooleanField(default=False)
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created_at = models.DateTimeField(auto_now_add=True)
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def clean(self):
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from django.core.exceptions import ValidationError
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# Salary requires employee
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if self.expense_type == self.ExpenseType.SALARY and not self.employee:
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raise ValidationError({"employee": "Employee must be set for Salary expenses."})
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# Device required for rent/utilities/maintenance
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if self.expense_type in [
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self.ExpenseType.MAINTENANCE
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] and not self.device:
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raise ValidationError({"device": "Device must be set for this type of expense."}) |