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114 lines
3.1 KiB
Python
114 lines
3.1 KiB
Python
import uuid
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from django.db import models
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class Region(models.Model):
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code = models.IntegerField(unique=True, primary_key=True, db_index=True)
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name = models.CharField(max_length=100)
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def __str__(self):
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return self.name
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class City(models.Model):
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fias = models.UUIDField(
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default=uuid.uuid4, editable=False, unique=True, db_index=True
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)
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name = models.CharField(max_length=150)
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class Store(models.Model):
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id_sp = models.CharField(max_length=32, unique=True, db_index=True)
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member = models.ForeignKey(
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"Member", related_name="stores", on_delete=models.CASCADE
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)
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region = models.ForeignKey(
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"Region",
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null=True,
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related_name="stores",
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on_delete=models.SET_NULL,
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)
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city = models.ForeignKey(
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"City",
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null=True,
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related_name="stores",
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on_delete=models.SET_NULL,
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)
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postal_code = models.IntegerField(null=True, blank=True)
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@property
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def region_code(self):
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return self.region_id
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@property
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def city_name(self):
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if self.city:
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return self.city.name
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return ""
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@property
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def region_name(self):
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if self.region:
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return self.region.name
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return ""
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class Item(models.Model):
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gtin = models.CharField(max_length=32, unique=True, db_index=True)
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member = models.ForeignKey("Member", related_name="items", on_delete=models.CASCADE)
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product_name = models.CharField(max_length=250)
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product_short_name = models.CharField(max_length=250)
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tnved = models.CharField(max_length=32, db_index=True)
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tnved10 = models.CharField(max_length=32, db_index=True)
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brand = models.CharField(max_length=250)
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country = models.CharField(max_length=100, blank=True)
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volume = models.FloatField()
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def __str__(self):
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return self.product_name
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class Member(models.Model):
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inn = models.CharField(max_length=32, unique=True, db_index=True)
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region = models.ForeignKey(
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"Region",
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null=True,
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related_name="members",
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on_delete=models.SET_NULL,
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)
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class StoreExport(models.Model):
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store = models.ForeignKey("Store", related_name="exports", on_delete=models.CASCADE)
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file = models.FileField(upload_to="exports/")
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def __str__(self):
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return f"export file from {self.store}"
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class ItemSale(models.Model):
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date = models.DateField()
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region = models.ForeignKey("Region", related_name="sales", on_delete=models.CASCADE)
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type_operation = models.CharField(max_length=50)
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cnt = models.IntegerField()
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class ItemTransaction(models.Model):
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date = models.DateField()
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region = models.ForeignKey(
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"Region", related_name="transactions", on_delete=models.CASCADE
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)
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sender_region_code = models.IntegerField()
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cnt = models.IntegerField()
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class StoreItem(models.Model):
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store = models.ForeignKey("Store", related_name="sales", on_delete=models.CASCADE)
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item = models.ForeignKey("Item", related_name="sales", on_delete=models.CASCADE)
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date = models.DateField()
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amount = models.IntegerField()
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class Meta:
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ordering = ["date"]
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