120 lines
3.8 KiB
Python
120 lines
3.8 KiB
Python
from django.db import models
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book_fields = {'isbn' : 'ISBN', 'id' : 'Identifier', 'title' : 'Title',
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'subtitle' : 'Subtitle', 'category' : 'Category', 'publisher':'Publisher',
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'published_year':'Published year', 'edition' : 'Edition', 'num_pages' : 'Number of pages',
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'series' : 'Series', 'description' : 'Description'}
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class Category(models.Model):
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id = models.CharField(max_length=255, primary_key=True)
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name = models.CharField(max_length=255)
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class BookSeries(models.Model):
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id = models.CharField(max_length=20, primary_key=True)
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title = models.CharField(max_length=511)
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class ReferenceType(models.Model):
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name = models.CharField(max_length=31)
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class Reference(models.Model):
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reference_type = models.ForeignKey(ReferenceType)
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text = models.CharField(max_length=1023)
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class Book(models.Model):
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isbn = models.CharField(max_length=13, primary_key=True)
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# id = models.CharField(max_length=255)
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title = models.CharField(max_length=511)
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subtitle = models.CharField(max_length=511, null=True, blank=True)
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category = models.ForeignKey(Category, null=True, blank=True)
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publisher = models.CharField(max_length=255, null=True, blank=True)
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published_year = models.IntegerField(null=True, blank=True)
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edition = models.IntegerField(null=True, blank=True)
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num_pages = models.IntegerField(null=True, blank=True)
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series = models.ForeignKey(BookSeries, null=True, blank=True)
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description = models.CharField(max_length=1023, null=True, blank=True)
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picture = models.ImageField(upload_to='%Y/%m/%d/pictures', null=True, blank=True)
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thumbnail = models.ImageField(upload_to='%Y/%m/%d/thumbnails', null=True, blank=True)
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references = models.ManyToManyField(Reference, related_name='books')
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def full_print(self):
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for field in book_fields.items():
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try:
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print '%-15s: %50s' % (field[1],eval('self.'+field[0]))
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except Category.DoesNotExist:
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print '%-15s: %50s' % (field[1], 'Does not exist')
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def getid(self):
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try:
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return self.id.id
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except Id.DoesNotExist:
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return None
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def setid(self,newid):
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try:
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id = self.id
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id.delete()
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newid = Id(book=self,id=newid)
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newid.save()
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except Id.DoesNotExist:
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id=Id(id=newid,book=self)
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id.save()
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# return Book.get(isbn=self.isbn)
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def get_authors(self):
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people = self.persons.all()
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authors = []
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for person in people:
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if person.relation.name == 'Author':
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authors.append(person.person)
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return authors
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def __unicode__(self):
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return self.title
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# def print(self):
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# print '%13s %5s %30s %'
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# class Meta:
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# unique_together=(("isbn","id"),)
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class Id(models.Model):
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id = models.CharField(max_length=511, primary_key=True)
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book = models.OneToOneField(Book)
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class AlternativeTitle(models.Model):
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book = models.ForeignKey(Book, related_name='alt_titles')
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alt_title = models.CharField(max_length=511)
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class Copy(models.Model):
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book = models.ForeignKey(Book)
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number = models.IntegerField()
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owner = models.CharField(max_length=9)
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class Person(models.Model):
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id = models.CharField(max_length=255, primary_key=True)
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first_name = models.CharField(max_length=255)
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last_name = models.CharField(max_length=255)
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references = models.ManyToManyField(Reference, related_name='persons', null=True, blank=True)
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def __unicode__(self):
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return self.first_name + u' ' + self.last_name
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class Relation(models.Model):
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name = models.CharField(max_length=31, primary_key=True)
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def __unicode__(self):
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return self.name
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class BookPerson(models.Model):
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book = models.ForeignKey(Book, related_name='persons')
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person = models.ForeignKey(Person, related_name='books')
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relation = models.ForeignKey(Relation)
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def __unicode__(self):
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return self.person.first_name +u' '+ self.person.last_name+ u' '+ self.relation.name+ u' of '+self.book.title
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class Placement(models.Model):
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category = models.ForeignKey(Category)
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shelf = models.CharField(max_length=10)
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