- Set up Django 5.2.9 project structure - Add boxes app with Box and BoxType models - Box: alphanumeric ID (max 10 chars) with foreign key to BoxType - BoxType: name and dimensions (width/height/length in mm) - Configure admin interface for both models - Add comprehensive test suite (14 tests)
38 lines
915 B
Python
38 lines
915 B
Python
from django.db import models
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class BoxType(models.Model):
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"""A type of storage box with specific dimensions."""
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name = models.CharField(max_length=255)
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width = models.PositiveIntegerField(help_text='Width in millimeters')
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height = models.PositiveIntegerField(help_text='Height in millimeters')
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length = models.PositiveIntegerField(help_text='Length in millimeters')
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class Meta:
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ordering = ['name']
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def __str__(self):
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return self.name
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class Box(models.Model):
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"""A storage box in the lab."""
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id = models.CharField(
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max_length=10,
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primary_key=True,
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help_text='Alphanumeric identifier (max 10 characters)'
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)
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box_type = models.ForeignKey(
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BoxType,
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on_delete=models.PROTECT,
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related_name='boxes'
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)
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class Meta:
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verbose_name_plural = 'boxes'
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def __str__(self):
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return self.id
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