husanjon
ab73d05ecc
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86 lines
2.8 KiB
Python
86 lines
2.8 KiB
Python
"""
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Party model
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"""
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from django.db import models
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from django.db.models import Sum
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from core.http.models import base
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from core.http.models.user import User
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class Party(base.AbstractBaseModel):
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user_id = models.ForeignKey(
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to=User, on_delete=models.CASCADE, related_name="parties"
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)
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# umumiy soni
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count = models.IntegerField(default=0, null=True, blank=True)
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# sotilgan soni
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sold_count = models.IntegerField(default=0, null=True, blank=True)
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# qolgan soni
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remaining_count = models.IntegerField(default=0, null=True, blank=True)
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# tushum
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benefit = models.DecimalField(
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max_digits=30, decimal_places=2, default=0, null=True, blank=True
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)
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# foyda
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profit = models.DecimalField(
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max_digits=30, decimal_places=2, default=0, null=True, blank=True
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)
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# partiya narxi
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cost = models.DecimalField(
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max_digits=30, decimal_places=2, default=0, null=True, blank=True
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)
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# umumiy narxi
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total_cost = models.DecimalField(
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max_digits=30, decimal_places=2, default=0, null=True, blank=True
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)
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broken_eggs = models.IntegerField(default=0, null=True, blank=True)
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courier_eggs = models.IntegerField(default=0, null=True, blank=True)
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@staticmethod
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def get_total_benefit():
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return Party.objects.aggregate(
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total_count=Sum("count"), # umumiy mahsulot soni
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total_sold_count=Sum(
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"sold_count"
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), # umumiy sotilgan mahsulot soni
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total_remaining_count=Sum(
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"remaining_count"
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), # umumiy qolgan mahsulot soni
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total_broken_eggs=Sum("broken_eggs"), # umumiy singan soni
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total_courier_eggs=Sum(
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"courier_eggs"
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), # umumiy kuryerlar tomonidan olingan soni
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)
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def clean(self):
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if self.count < 0:
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raise ValueError("Count can't be negative")
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if self.sold_count < 0:
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raise ValueError("Sold count can't be negative")
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if self.remaining_count < 0:
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raise ValueError("Remaining count can't be negative")
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if self.benefit < 0:
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raise ValueError("Benefit can't be negative")
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if self.cost < 0:
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raise ValueError("Cost can't be negative")
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if self.total_cost < 0:
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raise ValueError("Total cost can't be negative")
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def update_total_cost(self):
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total_invoice_price = (
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self.invoices.aggregate(Sum("price"))["price__sum"] or 0
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)
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self.total_cost = self.cost + total_invoice_price
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self.profit -= total_invoice_price
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self.save()
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def __str__(self):
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return f"User - {self.user_id}, price - {self.benefit}"
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class Meta:
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verbose_name = "Party"
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verbose_name_plural = "Parties"
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db_table = "party"
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