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			60 lines
		
	
	
	
		
			1.7 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			60 lines
		
	
	
	
		
			1.7 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
from django.db import models
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class City(models.Model):
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    id = models.BigAutoField(primary_key=True)
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    name = models.CharField(max_length=50)
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    def __str__(self):
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        return self.name
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class District(models.Model):
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    city = models.ForeignKey(City, models.CASCADE, primary_key=True)
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    name = models.CharField(max_length=50)
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    def __str__(self):
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        return self.name
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class Reporter(models.Model):
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    first_name = models.CharField(max_length=30)
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    last_name = models.CharField(max_length=30)
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    email = models.EmailField()
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    facebook_user_id = models.BigIntegerField(null=True)
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    raw_data = models.BinaryField(null=True)
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    small_int = models.SmallIntegerField()
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    interval = models.DurationField()
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    class Meta:
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        unique_together = ('first_name', 'last_name')
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    def __str__(self):
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        return "%s %s" % (self.first_name, self.last_name)
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class Article(models.Model):
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    headline = models.CharField(max_length=100)
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    pub_date = models.DateField()
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    body = models.TextField(default='')
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    reporter = models.ForeignKey(Reporter, models.CASCADE)
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    response_to = models.ForeignKey('self', models.SET_NULL, null=True)
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    unmanaged_reporters = models.ManyToManyField(Reporter, through='ArticleReporter', related_name='+')
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    def __str__(self):
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        return self.headline
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    class Meta:
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        ordering = ('headline',)
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        index_together = [
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            ["headline", "pub_date"],
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            ['headline', 'response_to', 'pub_date', 'reporter'],
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        ]
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class ArticleReporter(models.Model):
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    article = models.ForeignKey(Article, models.CASCADE)
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    reporter = models.ForeignKey(Reporter, models.CASCADE)
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    class Meta:
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        managed = False
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