284 lines
10 KiB
Python
Executable File
284 lines
10 KiB
Python
Executable File
import random
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import datetime
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from decimal import Decimal
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from django.db import models
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from django.db.models import Q
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from django.contrib.auth.models import User
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class UnglueitError(RuntimeError):
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pass
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class Claim(models.Model):
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rights_holder = models.ForeignKey("RightsHolder", related_name="claim", null=False )
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work = models.ForeignKey("Work", related_name="claim", null=False )
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user = models.ForeignKey(User, related_name="user", null=False )
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created = models.DateTimeField(auto_now_add=True)
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class RightsHolder(models.Model):
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email = models.CharField(max_length=100, blank=True)
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rights_holder_name = models.CharField(max_length=100, blank=True)
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owner = models.ForeignKey(User, related_name="rights_holder", null=False )
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class Premium(models.Model):
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PREMIUM_TYPES = ((u'00', u'Default'),(u'CU', u'Custom'))
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type = models.CharField(max_length=2, choices=PREMIUM_TYPES)
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campaign = models.ForeignKey("Campaign", related_name="premiums", null=True)
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amount = models.DecimalField(max_digits=10, decimal_places=0, blank=False)
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description = models.TextField(null=True, blank=False)
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class Campaign(models.Model):
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created = models.DateTimeField(auto_now_add=True)
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name = models.CharField(max_length=500, null=True, blank=False)
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description = models.TextField(null=True, blank=False)
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target = models.DecimalField(max_digits=14, decimal_places=2, null=True, blank=False)
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deadline = models.DateTimeField()
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activated = models.DateTimeField(null=True)
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suspended = models.DateTimeField(null=True)
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withdrawn = models.DateTimeField(null=True)
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suspended_reason = models.TextField(null=True, blank=True)
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withdrawn_reason = models.TextField(null=True, blank=True)
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paypal_receiver = models.CharField(max_length=100, blank=True)
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amazon_receiver = models.CharField(max_length=100, blank=True)
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work = models.ForeignKey("Work", related_name="campaigns", null=False)
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def __unicode__(self):
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try:
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return u"Campaign for %s" % self.work.title
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except:
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return u"Campaign %s (no associated work)" % self.name
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@property
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def status(self):
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"""Returns the status of the campaign
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"""
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now = datetime.datetime.utcnow()
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if self.activated is None:
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return 'INITIALIZED'
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elif self.suspended is not None:
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return 'SUSPENDED'
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elif self.withdrawn is not None:
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return 'WITHDRAWN'
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elif self.deadline < now:
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if self.current_total >= self.target:
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return 'SUCCESSFUL'
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else:
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return 'UNSUCCESSFUL'
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else:
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return 'ACTIVE'
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@property
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def current_total(self):
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p = PaymentManager()
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return p.query_campaign(campaign=self,summary=True)
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def transactions(self, pledged=True, authorized=True):
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p = PaymentManager()
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return p.query_campaign(campaign=self, summary=False, pledged=pledged, authorized=authorized)
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def activate(self):
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status = self.status
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if status != 'INITIALIZED':
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raise UnglueitError('Campaign needs to be initialized in order to be activated')
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self.activated = datetime.datetime.utcnow()
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self.save()
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return self
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def suspend(self, reason):
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status = self.status
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if status != 'ACTIVE':
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raise UnglueitError('Campaign needs to be active in order to be suspended')
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self.suspended = datetime.datetime.utcnow()
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self.suspended_reason = reason
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self.save()
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return self
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def withdraw(self, reason):
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status = self.status
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if status != 'ACTIVE':
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raise UnglueitError('Campaign needs to be active in order to be withdrawn')
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self.withdrawn = datetime.datetime.utcnow()
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self.withdrawn_reason = reason
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self.save()
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return self
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def resume(self):
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"""Change campaign status from SUSPENDED to ACTIVE. We may want to track reason for resuming and track history"""
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status = self.status
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if status != 'SUSPENDED':
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raise UnglueitError('Campaign needs to be suspended in order to be resumed')
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self.suspended = None
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self.suspended_reason = None
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self.save()
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return self
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def supporters(self):
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translist = self.transactions().values_list('user', flat=True).distinct()
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return translist
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class Work(models.Model):
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created = models.DateTimeField(auto_now_add=True)
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title = models.CharField(max_length=1000)
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openlibrary_id = models.CharField(max_length=50, null=True)
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def cover_image_small(self):
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return self.editions.all()[0].cover_image_small()
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def cover_image_thumbnail(self):
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return self.editions.all()[0].cover_image_thumbnail()
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def author(self):
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authorlist = self.editions.all()[0].authors.all()
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if authorlist.count() == 1:
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myauthor = authorlist[0].name
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elif authorlist.count() > 1:
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myauthor = authorlist[0].name + ' et al.'
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else:
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myauthor = ''
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return myauthor
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def last_campaign(self):
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try:
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last = self.campaigns.order_by('-created')[0]
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except:
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last = None
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return last
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def last_campaign_status(self):
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campaign = self.last_campaign()
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if campaign:
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status = campaign.status
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else:
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status = "No campaign yet"
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return status
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def percent_unglued(self):
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status = 0
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if self.last_campaign() is not None:
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if(self.last_campaign_status() == 'SUCCESSFUL'):
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status = 6;
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elif(self.last_campaign_status() == 'ACTIVE'):
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target = float(self.campaigns.order_by('-created')[0].target)
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if target <= 0:
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status = 6
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else:
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total = float(self.campaigns.order_by('-created')[0].current_total)
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percent = int(total*6/target)
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if percent >= 6:
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status = 6
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else:
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status = percent;
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return status;
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def percent_unglued_number(self):
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status = 0
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if self.last_campaign() is not None:
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if(self.last_campaign_status() == 'SUCCESSFUL'):
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status = 100;
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elif(self.last_campaign_status() == 'ACTIVE'):
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target = float(self.campaigns.order_by('-created')[0].target)
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if target <= 0:
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status = 100
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else:
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total = float(self.campaigns.order_by('-created')[0].current_total)
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percent = int(total/target)
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if percent >= 100:
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status = 100
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else:
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status = percent;
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return status;
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def first_pdf(self):
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return self.first_ebook('pdf')
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def first_epub(self):
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return self.first_ebook('epub')
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def first_ebook(self, ebook_format=None):
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for edition in self.editions.all():
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for ebook in edition.ebooks.all():
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if ebook_format == None or ebook.format == ebook_format:
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return ebook
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return None
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def __unicode__(self):
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return self.title
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class Author(models.Model):
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created = models.DateTimeField(auto_now_add=True)
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name = models.CharField(max_length=500)
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editions = models.ManyToManyField("Edition", related_name="authors")
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def __unicode__(self):
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return self.name
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class Subject(models.Model):
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created = models.DateTimeField(auto_now_add=True)
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name = models.CharField(max_length=500)
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editions = models.ManyToManyField("Edition", related_name="subjects")
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def __unicode__(self):
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return self.name
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class Edition(models.Model):
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googlebooks_id = models.CharField(max_length=50, null=False)
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created = models.DateTimeField(auto_now_add=True)
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title = models.CharField(max_length=1000)
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description = models.TextField(default='', null=True)
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publisher = models.CharField(max_length=255)
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publication_date = models.CharField(max_length=50)
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public_domain = models.NullBooleanField(null=True)
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isbn_10 = models.CharField(max_length=10, null=True)
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isbn_13 = models.CharField(max_length=13, null=True)
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oclc = models.CharField(max_length=25, null=True)
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work = models.ForeignKey("Work", related_name="editions", null=True)
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language = models.CharField(max_length=2, null=True)
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def __unicode__(self):
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return "%s (%s)" % (self.title, self.isbn_13)
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def cover_image_small(self):
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server_id = random.randint(0, 9)
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return "http://bks%i.books.google.com/books?id=%s&printsec=frontcover&img=1&zoom=5" % (server_id, self.googlebooks_id)
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def cover_image_thumbnail(self):
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server_id = random.randint(0, 9)
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return "http://bks%s.books.google.com/books?id=%s&printsec=frontcover&img=1&zoom=1" % (server_id, self.googlebooks_id)
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@classmethod
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def get_by_isbn(klass, isbn):
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for e in Edition.objects.filter(Q(isbn_10=isbn) | Q(isbn_13=isbn)):
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return e
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return None
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class Ebook(models.Model):
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format = models.CharField(max_length=25)
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url = models.CharField(max_length=1024)
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provider = models.CharField(max_length=255)
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rights = models.CharField(max_length=255, null=True)
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edition = models.ForeignKey('Edition', related_name='ebooks')
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class Wishlist(models.Model):
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created = models.DateTimeField(auto_now_add=True)
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user = models.OneToOneField(User, related_name='wishlist')
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works = models.ManyToManyField('Work', related_name='wishlists')
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class UserProfile(models.Model):
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user = models.OneToOneField(User, related_name='profile')
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tagline = models.CharField(max_length=140, blank=True)
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home_url = models.URLField(blank=True)
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twitter_id = models.CharField(max_length=15, blank=True)
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goodreads_user_id = models.CharField(max_length=32, null=True, blank=True)
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goodreads_user_name = models.CharField(max_length=200, null=True, blank=True)
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goodreads_auth_token = models.TextField(null=True, blank=True)
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goodreads_auth_secret = models.TextField(null=True, blank=True)
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goodreads_user_link = models.CharField(max_length=200, null=True, blank=True)
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from regluit.core import signals
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from regluit.payment.manager import PaymentManager
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