65 lines
1.4 KiB
Python
65 lines
1.4 KiB
Python
from django.db import models
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from django.db.models import QuerySet
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from django.db.models.manager import BaseManager
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from django.urls import reverse
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class Artist(models.Model):
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name = models.CharField(max_length=100)
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class Meta:
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ordering = ["name"]
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verbose_name = "professional artist"
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verbose_name_plural = "professional artists"
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def __str__(self):
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return self.name
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def get_absolute_url(self):
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return reverse("artist_detail", kwargs={"pk": self.id})
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class Author(models.Model):
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name = models.CharField(max_length=100)
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slug = models.SlugField()
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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 DoesNotExistQuerySet(QuerySet):
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def get(self, *args, **kwargs):
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raise Author.DoesNotExist
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DoesNotExistBookManager = BaseManager.from_queryset(DoesNotExistQuerySet)
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class Book(models.Model):
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name = models.CharField(max_length=255)
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slug = models.SlugField()
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pages = models.IntegerField()
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authors = models.ManyToManyField(Author)
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pubdate = models.DateField()
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objects = models.Manager()
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does_not_exist = DoesNotExistBookManager()
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class Meta:
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ordering = ["-pubdate"]
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def __str__(self):
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return self.name
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class Page(models.Model):
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content = models.TextField()
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template = models.CharField(max_length=255)
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class BookSigning(models.Model):
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event_date = models.DateTimeField()
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