Some Models

models.py

class Book(models.Model):             
                
    """ Book Model - an item in the lending library """

    title = models.CharField(max_length=200)
    author = models.CharField(max_length=100)
    genre = models.CharField(max_length=20, blank=True)
  
    def __unicode__(self):                                                                            
        return self.title                                                                             
                                                                                                      
                                                                                                      
class Borrower(models.Model):                                                                         
                                                                                                      
    """ Borrower Model - who is taking the book """                                                   
                                                                                                      
    name = models.CharField(max_length=100)                                                           
    email = models.EmailField(max_length=255, blank=True)                                             
                                                                                                      
    def __unicode__(self):                                                                            
        return self.name                                                                              
                                                                                                      
                                                                                                      
class Loan(models.Model):                                                                             
                                                                                                      
    """ Loan Model - matching borrowers to books """                                                  
                                                                                                      
    book = models.ForeignKey(Book)                                                                    
    borrower = models.ForeignKey(Borrower)                                                            
    date_lent = models.DateField(default=datetime.now())                                              
    returned = models.BooleanField(default=False)                                                     
                                                                                                      
    def __unicode__(self):                                                                            
        return '{0}'.format(self.book)