209 lines
6.1 KiB
Python
209 lines
6.1 KiB
Python
from django.db import models
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import fileformat
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book_fields = [('title' , 'Title'), ('isbn' , 'ISBN'), ('id.id' , 'Identifier'),
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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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def __unicode__(self):
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return self.name
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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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def __unicode__(self):
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return self.title
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class ReferenceType(models.Model):
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name = models.CharField(max_length=31)
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def __unicode__(self):
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return self.name
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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, related_name='books', 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='pictures', null=True, blank=True)
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thumbnail = models.ImageField(upload_to='thumbnails', null=True, blank=True)
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# references = models.ManyToManyField(Reference, related_name='books',null=True, blank=True)
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#Generate a string from book info
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def to_string(self, commit=False):
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scratch = ''
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if commit:
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# generate commit string by sending self.to_dict to oysteini function
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print self.to_dict()
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print fileformat.write_action(self.to_dict())
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else:
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format = '%-15s: %50s \n'
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for field in book_fields:
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try:
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scratch += format % (field[1],eval('self.'+field[0]))
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except AttributeError:
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scratch += format % (field[1], '')
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authors = ','.join(map(lambda x: str(x),self.get_authors()))
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scratch += format % ('Authors', authors)
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# scratch += 'Authors'.ljust(15, ' ') + ':'
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# scratch += authors.rjust(51, ' ')
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scratch += '\n'
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return scratch
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def to_dict(self):
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dict = {}
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dict['action'] = 'edit-book'
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for field in book_fields:
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try:
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dict[field[0]] = eval('self.'+field[0])
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except AttributeError:
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dict[field[0]] = ' '
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people = self.persons.all()
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dict['persons'] = {}
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for bookperson in people:
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person = bookperson.person
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if bookperson.relation.name in dict['persons']:
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dict['persons'][bookperson.relation.name].append(person.id)
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else:
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dict['persons'][bookperson.relation.name] = [person.id]
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dict['references'] = {}
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for reference in self.references.all():
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if reference.reference_type.name in dict['references']:
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dict['references'][reference.reference_type.name].append(reference.text)
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else:
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dict['references'][reference.reference_type.name] = [reference.text]
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#TODO: add thumbnail and image fields
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return dict
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def getid(self):
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if self.id:
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return self.id.id
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return None
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def setid(self,newid):
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if self.id:
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self.id.delete()
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newid = Id(book=self,id=newid)
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newid.save()
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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 Reference(models.Model):
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book = models.ForeignKey(Book, related_name='references')
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reference_type = models.ForeignKey(ReferenceType)
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text = models.CharField(max_length=1023)
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def __unicode__(self):
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return self.text
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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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def __unicode__(self):
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return self.id
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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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def __unicode__(self):
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return self.book.title+"="+self.alt_title
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class Copy(models.Model):
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book = models.ForeignKey(Book, related_name='copies')
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number = models.IntegerField()
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owner = models.CharField(max_length=9)
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def __unicode__(self):
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return self.book.title+" "+str(self.number)+" "+self.owner
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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 to_string(self, commit=False):
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if commit:
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#generate commit-string
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print self.to_dict()
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else:
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format = '%-10s: %50s \n'
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scratch = format % ('Name', ' '.join((self.first_name, self.last_name)))
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scratch += format % ('ID', self.id)
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books = ', '.join(map(lambda x: x.book.title, self.books.all()))
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scratch += format % ('Books', books)
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return scratch
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def to_dict(self):
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dict = {}
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dict['action'] = 'edit-person'
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dict['id'] = self.id
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dict['first_name'] = self.first_name
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dict['last_name'] = self.last_name
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return dict
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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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def __unicode__(self):
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return self.category.name+" at "+self.shelf
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