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from django.contrib.auth.models import User
from django.db import models
class Band(models.Model):
name = models.CharField(max_length=100)
bio = models.TextField()
sign_date = models.DateField()
class Meta:
ordering = ("name",)
def __str__(self):
return self.name
class Song(models.Model):
name = models.CharField(max_length=100)
band = models.ForeignKey(Band, models.CASCADE)
featuring = models.ManyToManyField(Band, related_name="featured")
def __str__(self):
return self.name
class Concert(models.Model):
main_band = models.ForeignKey(Band, models.CASCADE, related_name="main_concerts")
opening_band = models.ForeignKey(
Band, models.CASCADE, related_name="opening_concerts", blank=True
)
day = models.CharField(max_length=3, choices=((1, "Fri"), (2, "Sat")))
transport = models.CharField(
max_length=100, choices=((1, "Plane"), (2, "Train"), (3, "Bus")), blank=True
)
class ValidationTestModel(models.Model):
name = models.CharField(max_length=100)
slug = models.SlugField()
users = models.ManyToManyField(User)
state = models.CharField(
max_length=2, choices=(("CO", "Colorado"), ("WA", "Washington"))
)
is_active = models.BooleanField(default=False)
pub_date = models.DateTimeField()
band = models.ForeignKey(Band, models.CASCADE)
best_friend = models.OneToOneField(User, models.CASCADE, related_name="best_friend")
# This field is intentionally 2 characters long (#16080).
no = models.IntegerField(verbose_name="Number", blank=True, null=True)
def decade_published_in(self):
return self.pub_date.strftime("%Y")[:3] + "0's"
class ValidationTestInlineModel(models.Model):
parent = models.ForeignKey(ValidationTestModel, models.CASCADE)
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