38 lines
1.1 KiB
Python
38 lines
1.1 KiB
Python
from django.db import models
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from django.utils import timezone
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from reportlab.graphics.barcode.qr import QrCodeWidget
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import logging
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logger = logging.getLogger('django')
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class CustomModel(models.Model):
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""" Custom model class with default fields to use. """
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created_date = models.DateTimeField(default=timezone.now)
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class Meta:
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abstract = True
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class State(CustomModel):
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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 KegType(CustomModel):
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name = models.CharField(max_length=100)
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manufacturer = models.CharField(max_length=100, blank=True)
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size_gal = models.DecimalField(max_digits=6, decimal_places=2)
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def __str__(self):
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return self.name
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class Keg(CustomModel):
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kegtype = models.ForeignKey(KegType, on_delete=models.PROTECT)
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kegstate = models.ForeignKey(State, on_delete=models.PROTECT)
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class TransactionType(CustomModel):
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name = models.CharField(max_length=100)
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class BatchTransactions(CustomModel):
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models.ForeignKey(Keg, on_delete=models.CASCADE)
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models.ForeignKey(TransactionType, on_delete=models.PROTECT) |