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from django.db import models
from django.template.defaultfilters import slugify
from datetime import datetime
import uuid
def uuid_str():
return str(uuid.uuid1())
class ExampleModel(models.Model):
num = models.IntegerField(default=2, choices=((1,'one'), (2, 'two')))
hidden_num = models.IntegerField(verbose_name='Something', help_text='HELP')
text = models.TextField(blank=False)
another = models.CharField(max_length=10)
class ExampleContainer(models.Model):
"""Container. Has a key, a name, and some internal data, and contains a set of items."""
key = models.CharField(primary_key=True, default=uuid_str, max_length=36, editable=False)
name = models.CharField(max_length=256)
internal = models.IntegerField(default=0)
@models.permalink
def get_absolute_url(self):
return ('testapp.views.ContainerInstance', [self.key])
class ExampleItem(models.Model):
"""Item. Belongs to a container and has an index number and a note.
Items are uniquely identified by their container and index number."""
container = models.ForeignKey(ExampleContainer, related_name='items')
index = models.IntegerField()
note = models.CharField(max_length=1024)
unique_together = (container, index)
class BlogPost(models.Model):
slug = models.SlugField(editable=False, primary_key=True, default='blah')
title = models.CharField(max_length=128)
content = models.TextField()
when = models.DateTimeField(editable=False)
@models.permalink
def get_absolute_url(self):
return ('testapp.views.BlogPostInstance', (self.slug,))
def save(self, *args, **kwargs):
self.slug = slugify(self.title)
self.when = datetime.now()
super(self.__class__, self).save(*args, **kwargs)
class Comment(models.Model):
blogpost = models.ForeignKey(BlogPost, related_name='comments')
name = models.CharField(max_length=128)
content = models.TextField()
when = models.DateTimeField(auto_now_add=True)
@models.permalink
def get_absolute_url(self):
return ('testapp.views.CommentInstance', (self.blogpost.slug, self.id))
def save(self):
self.index = self.blogpost.comments.count()
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