146 lines
5.4 KiB
Python
146 lines
5.4 KiB
Python
from decimal import Decimal
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from django.db import models
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from django.apps import apps
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from core.apps.shared.models import BaseModel, Region, District, UsdCourse
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class CounterpartyFolder(BaseModel):
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name = models.CharField(max_length=200)
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def __str__(self):
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return self.name
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class Meta:
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verbose_name = 'Kontragent papkasi'
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verbose_name_plural = 'Kontragent papkalari'
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class Counterparty(BaseModel):
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TYPE = (
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('SUPPLIER', "ta'minotchi"),
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('WORKER', 'ishchi')
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)
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STATUS = (
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('CREDITOR', 'kreditor'),
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('DEBITOR', 'debitor')
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)
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inn = models.CharField(max_length=20, null=True)
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name = models.CharField(max_length=200)
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phone = models.CharField(max_length=15, null=True)
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type = models.CharField(max_length=20, choices=TYPE, default='SUPPLIER')
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status = models.CharField(max_length=20, choices=STATUS, default='kreditor')
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folder = models.ForeignKey(
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CounterpartyFolder, on_delete=models.SET_NULL, null=True, blank=True,
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related_name='counterparties',
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)
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region = models.ForeignKey(
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Region, on_delete=models.SET_NULL, null=True, blank=True, related_name='counterparties'
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)
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district = models.ForeignKey(
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District, on_delete=models.SET_NULL, null=True, blank=True, related_name='counterparties'
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)
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comment = models.TextField(null=True, blank=True)
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is_archived = models.BooleanField(default=False)
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def __str__(self):
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return self.name
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class Meta:
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verbose_name = 'Kontragent'
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verbose_name_plural = 'Kontragentlar'
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class CounterpartyBalance(BaseModel):
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counterparty = models.OneToOneField(Counterparty, on_delete=models.CASCADE, related_name='balance')
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# balance
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balance_uzs = models.DecimalField(max_digits=15, decimal_places=2, default=0.00)
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balance_usd = models.DecimalField(max_digits=15, decimal_places=2, default=0.00)
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# balance date
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balance_date = models.DateField(null=True, blank=True)
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# kreditor -> qazrdorlik
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kredit_usd = models.DecimalField(max_digits=15, decimal_places=2, default=0.00)
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kredit_uzs = models.DecimalField(max_digits=15, decimal_places=2, default=0.00)
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# debitor -> xaqdorlik
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debit_usd = models.DecimalField(max_digits=15, decimal_places=2, default=0.00)
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debit_uzs = models.DecimalField(max_digits=15, decimal_places=2, default=0.00)
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def save(self, *args, **kwargs):
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if self.total_balance_usd >= 0:
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self.kredit_usd = self.total_balance_usd
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elif self.total_balance_usd <= 0:
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self.debit_usd = self.total_balance_usd
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if self.total_balance_uzs >= 0:
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self.kredit_uzs = self.total_balance_uzs
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elif self.total_balance_uzs <= 0:
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self.debit_uzs = self.total_balance_uzs
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super().save(*args, **kwargs)
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total_usd = Decimal(self.total_balance_usd)
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total_uzs = Decimal(self.total_balance_uzs)
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if total_usd < 0 or total_uzs < 0:
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self.counterparty.status = 'CREDITOR'
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elif total_usd > 0 or total_uzs > 0:
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self.counterparty.status = 'DEBITOR'
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else:
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self.counterparty.status = 'CREDITOR'
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self.counterparty.save(update_fields=['status'])
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@property
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def total_balance_usd(self):
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Party = apps.get_model('orders', 'Party')
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Income = apps.get_model('finance', 'Income')
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Expence = apps.get_model('finance', 'Expence')
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parties = Party.objects.filter(
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orders__counterparty=self.counterparty,
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is_deleted=False,
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currency='usd'
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).distinct()
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total_amount = parties.aggregate(total_price=models.Sum('party_amount__calculated_amount'))['total_price'] or 0
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income = Income.objects.filter(currency='usd', counterparty=self.counterparty).aggregate(
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total_price=models.Sum("price")
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)['total_price'] or 0
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expence = Expence.objects.filter(currency='usd', counterparty=self.counterparty).aggregate(
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total_price=models.Sum("price")
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)['total_price'] or 0
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return (total_amount + income) - expence
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@property
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def total_balance_uzs(self):
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Party = apps.get_model('orders', 'Party')
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Income = apps.get_model('finance', 'Income')
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Expence = apps.get_model('finance', 'Expence')
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parties = Party.objects.filter(
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orders__counterparty=self.counterparty,
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is_deleted=False,
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currency='uzs'
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).distinct()
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total_amount = parties.aggregate(total_price=models.Sum('party_amount__calculated_amount'))['total_price'] or 0
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income = Income.objects.filter(currency='uzs', counterparty=self.counterparty).aggregate(
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total_price=models.Sum("price")
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)['total_price'] or 0
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expence = Expence.objects.filter(currency='uzs', counterparty=self.counterparty).aggregate(
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total_price=models.Sum("price")
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)['total_price'] or 0
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return (total_amount + income) - expence
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@property
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def total_balance(self):
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usd_course = Decimal(UsdCourse.objects.first().value) if UsdCourse.objects.exists() else Decimal(12000)
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return self.total_balance_uzs + (self.total_balance_usd * usd_course)
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def __str__(self):
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return f"{self.counterparty.name}"
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class Meta:
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verbose_name = "Kontragent Balansi"
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verbose_name_plural = "Kontragent Balanslari" |