Satt opp web.library.models med en halvsakelig databasekonfigurasjon

python/web/library/models.py

@@ -1,22 +1,27 @@
 from django.db import models
 
-class Book(models.Model):
-	isbn = models.CharField(max_length=13)
-#	id = models.CharField(max_length=255, unique=True)
-	title = models.CharField(max_length=511)
-	subtitle = models.CharField(max_length=511)
-#	category = 
-	publisher = models.CharField(max_length=255)
-	published_year = models.IntegerField()
-	edition = models.IntegerField()
-	num_pages = models.IntegerField()
-#	series =
-	description = models.CharField(max_length=1023)
-	picture = models.ImageField('%Y/%m/%d/pictures')
-	thumbnail = models.ImageField('%Y/%m/%d/thumbnails')
+class Category(models.Model):
+	id = models.CharField(max_length=255, primary_key=True)
+	name = models.CharField(max_length=255)
 
 class BookSeries(models.Model):
-	title = models.CharField(max_length=500)
+	id = models.CharField(max_length=20, primary_key=True)
+	title = models.CharField(max_length=511)
+
+class Book(models.Model):
+	isbn = models.CharField(max_length=13, primary_key=True)
+	id = models.CharField(max_length=255, unique=True)
+	title = models.CharField(max_length=511)
+	subtitle = models.CharField(max_length=511, null=True, blank=True)
+	category = models.ForeignKey(Category)
+	publisher = models.CharField(max_length=255, null=True, blank=True)
+	published_year = models.IntegerField(null=True, blank=True)
+	edition = models.IntegerField(null=True, blank=True)
+	num_pages = models.IntegerField(null=True, blank=True)
+	series = models.ForeignKey(BookSeries, null=True, blank=True)
+	description = models.CharField(max_length=1023, null=True, blank=True)
+	picture = models.ImageField(upload_to='%Y/%m/%d/pictures', null=True, blank=True)
+	thumbnail = models.ImageField(upload_to='%Y/%m/%d/thumbnails', null=True, blank=True)
 
 class AlternativeTitle(models.Model):
 	book = models.ForeignKey(Book)
@@ -25,17 +30,28 @@ class AlternativeTitle(models.Model):
 class Copy(models.Model):
 	book = models.ForeignKey(Book)
 	number = models.IntegerField()
-	owner = models.CharField(max_length=255)
+	owner = models.CharField(max_length=9)
 
 class Person(models.Model):
+	id = models.CharField(max_length=255, primary_key=True)
 	first_name = models.CharField(max_length=255)
 	last_name = models.CharField(max_length=255)
 
+class Relation(models.Model):
+	name = models.CharField(max_length=31)
+
 class BookPerson(models.Model):
 	book = models.ForeignKey(Book)
 	person = models.ForeignKey(Person)
-	relation = models.CharField(max_length=255)
+	relation = models.ForeignKey(Relation)
+
+class ReferenceType(models.Model):
+	name = models.CharField(max_length=31)
 
 class Reference(models.Model):
-	reference_type = models.CharField(max_length=255)
+	reference_type = models.ForeignKey(ReferenceType)
 	text = models.CharField(max_length=1023)
+
+class Placement(models.Model):
+	category = models.ForeignKey(Category)
+	shelf = models.CharField(max_length=10)