regluit/core/models.py

1791 lines
66 KiB
Python
Executable File

'''
external library imports
'''
import binascii
import logging
import hashlib
import re
import random
import urllib
import urllib2
from ckeditor.fields import RichTextField
from datetime import timedelta, datetime
from decimal import Decimal
from notification import models as notification
from postmonkey import PostMonkey, MailChimpException
'''
django imports
'''
from django.conf import settings
from django.contrib.auth.models import User
from django.contrib.sites.models import Site
from django.core.urlresolvers import reverse
from django.core.files.base import ContentFile
from django.db import models
from django.db.models import F, Q, get_model
from django.db.models.signals import post_save
from django.utils.translation import ugettext_lazy as _
'''
regluit imports
'''
import regluit
import regluit.core.isbn
from regluit.core.epub import personalize, ungluify
from regluit.core.signals import (
successful_campaign,
unsuccessful_campaign,
wishlist_added
)
from regluit.utils import crypto
from regluit.utils.localdatetime import now, date_today
from regluit.payment.parameters import (
TRANSACTION_STATUS_ACTIVE,
TRANSACTION_STATUS_COMPLETE,
TRANSACTION_STATUS_CANCELED,
TRANSACTION_STATUS_ERROR,
TRANSACTION_STATUS_FAILED,
TRANSACTION_STATUS_INCOMPLETE
)
from regluit.core.parameters import (
REWARDS,
BUY2UNGLUE,
INDIVIDUAL,
LIBRARY,
BORROWED,
TESTING,
RESERVE,
)
from regluit.booxtream import BooXtream
watermarker = BooXtream()
from regluit.libraryauth.models import Library
pm = PostMonkey(settings.MAILCHIMP_API_KEY)
logger = logging.getLogger(__name__)
class UnglueitError(RuntimeError):
pass
class Key(models.Model):
"""an encrypted key store"""
name = models.CharField(max_length=255, unique=True)
encrypted_value = models.TextField(null=True, blank=True)
def _get_value(self):
return crypto.decrypt_string(binascii.a2b_hex(self.encrypted_value), settings.SECRET_KEY)
def _set_value(self, value):
self.encrypted_value = binascii.b2a_hex(crypto.encrypt_string(value, settings.SECRET_KEY))
value = property(_get_value, _set_value)
def __unicode__(self):
return "Key with name {0}".format(self.name)
class CeleryTask(models.Model):
created = models.DateTimeField(auto_now_add=True, default=now())
task_id = models.CharField(max_length=255)
user = models.ForeignKey(User, related_name="tasks", null=True)
description = models.CharField(max_length=2048, null=True) # a description of what the task is
function_name = models.CharField(max_length=1024) # used to reconstitute the AsyncTask with which to get status
function_args = models.IntegerField(null=True) # not full generalized here -- takes only a single arg for now.
active = models.NullBooleanField(default=True)
def __unicode__(self):
return "Task %s arg:%s ID# %s %s: State %s " % (self.function_name, self.function_args, self.task_id, self.description, self.state)
@property
def AsyncResult(self):
f = getattr(regluit.core.tasks,self.function_name)
return f.AsyncResult(self.task_id)
@property
def state(self):
f = getattr(regluit.core.tasks,self.function_name)
return f.AsyncResult(self.task_id).state
@property
def result(self):
f = getattr(regluit.core.tasks,self.function_name)
return f.AsyncResult(self.task_id).result
@property
def info(self):
f = getattr(regluit.core.tasks,self.function_name)
return f.AsyncResult(self.task_id).info
class Claim(models.Model):
STATUSES = ((
u'active', u'Claim has been accepted.'),
(u'pending', u'Claim is pending acceptance.'),
(u'release', u'Claim has not been accepted.'),
)
created = models.DateTimeField(auto_now_add=True)
rights_holder = models.ForeignKey("RightsHolder", related_name="claim", null=False )
work = models.ForeignKey("Work", related_name="claim", null=False )
user = models.ForeignKey(User, related_name="claim", null=False )
status = models.CharField(max_length=7, choices=STATUSES, default='pending')
@property
def can_open_new(self):
# whether a campaign can be opened for this claim
#must be an active claim
if self.status != 'active':
return False
#can't already be a campaign
for campaign in self.campaigns:
if campaign.status in ['ACTIVE','INITIALIZED', 'SUCCESSFUL']:
return False
return True
def __unicode__(self):
return self.work.title
def notify_claim(sender, created, instance, **kwargs):
if 'example.org' in instance.user.email or hasattr(instance,'dont_notify'):
return
try:
(rights, new_rights) = User.objects.get_or_create(email='rights@gluejar.com',defaults={'username':'RightsatUnglueit'})
except:
rights = None
if instance.user == instance.rights_holder.owner:
ul=(instance.user, rights)
else:
ul=(instance.user, instance.rights_holder.owner, rights)
notification.send(ul, "rights_holder_claim", {'claim': instance,})
post_save.connect(notify_claim,sender=Claim)
class RightsHolder(models.Model):
created = models.DateTimeField(auto_now_add=True)
email = models.CharField(max_length=100, blank=True)
rights_holder_name = models.CharField(max_length=100, blank=False)
owner = models.ForeignKey(User, related_name="rights_holder", null=False )
can_sell = models.BooleanField(default=False)
def __unicode__(self):
return self.rights_holder_name
class Premium(models.Model):
PREMIUM_TYPES = ((u'00', u'Default'),(u'CU', u'Custom'),(u'XX', u'Inactive'))
TIERS = {"supporter":25, "patron":50, "bibliophile":100} #should load this from fixture
created = models.DateTimeField(auto_now_add=True)
type = models.CharField(max_length=2, choices=PREMIUM_TYPES)
campaign = models.ForeignKey("Campaign", related_name="premiums", null=True)
amount = models.DecimalField(max_digits=10, decimal_places=0, blank=False)
description = models.TextField(null=True, blank=False)
limit = models.IntegerField(default = 0)
@property
def premium_count(self):
t_model=get_model('payment','Transaction')
return t_model.objects.filter(premium=self).count()
@property
def premium_remaining(self):
t_model=get_model('payment','Transaction')
return self.limit - t_model.objects.filter(premium=self).count()
def __unicode__(self):
return (self.campaign.work.title if self.campaign else '') + ' $' + str(self.amount)
class PledgeExtra:
def __init__(self,premium=None,anonymous=False,ack_name='',ack_dedication='',offer=None):
self.anonymous = anonymous
self.premium = premium
self.offer = offer
self.extra = {}
if ack_name:
self.extra['ack_name']=ack_name
if ack_dedication:
self.extra['ack_dedication']=ack_dedication
class CampaignAction(models.Model):
timestamp = models.DateTimeField(auto_now_add=True)
# anticipated types: activated, withdrawn, suspended, restarted, succeeded, failed, unglued
type = models.CharField(max_length=15)
comment = models.TextField(null=True, blank=True)
campaign = models.ForeignKey("Campaign", related_name="actions", null=False)
class CCLicense():
CHOICES = settings.CHOICES
@staticmethod
def url(license):
if license == 'PD-US':
return 'http://creativecommons.org/publicdomain/mark/1.0/'
elif license == 'CC0':
return 'http://creativecommons.org/publicdomain/zero/1.0/'
elif license == 'CC BY':
return 'http://creativecommons.org/licenses/by/3.0/'
elif license == 'CC BY-NC-ND':
return 'http://creativecommons.org/licenses/by-nc-nd/3.0/'
elif license == 'CC BY-NC-SA':
return 'http://creativecommons.org/licenses/by-nc-sa/3.0/'
elif license == 'CC BY-NC':
return 'http://creativecommons.org/licenses/by-nc/3.0/'
elif license == 'CC BY-SA':
return 'http://creativecommons.org/licenses/by-sa/3.0/'
elif license == 'CC BY-ND':
return 'http://creativecommons.org/licenses/by-nd/3.0/'
else:
return ''
@staticmethod
def badge(license):
if license == 'PD-US':
return 'https://i.creativecommons.org/p/mark/1.0/88x31.png'
elif license == 'CC0':
return 'https://i.creativecommons.org/p/zero/1.0/88x31.png'
elif license == 'CC BY':
return 'https://i.creativecommons.org/l/by/3.0/88x31.png'
elif license == 'CC BY-NC-ND':
return 'https://i.creativecommons.org/l/by-nc-nd/3.0/88x31.png'
elif license == 'CC BY-NC-SA':
return 'https://i.creativecommons.org/l/by-nc-sa/3.0/88x31.png'
elif license == 'CC BY-NC':
return 'https://i.creativecommons.org/l/by-nc/3.0/88x31.png'
elif license == 'CC BY-SA':
return 'https://i.creativecommons.org/l/by-sa/3.0/88x31.png'
elif license == 'CC BY-ND':
return 'https://i.creativecommons.org/l/by-nd/3.0/88x31.png'
else:
return ''
class Offer(models.Model):
CHOICES = ((INDIVIDUAL,'Individual license'),(LIBRARY,'Library License'))
work = models.ForeignKey("Work", related_name="offers", null=False)
price = models.DecimalField(max_digits=6, decimal_places=2, null=True, blank=False)
license = models.PositiveSmallIntegerField(null = False, default = INDIVIDUAL,
choices=CHOICES)
active = models.BooleanField(default=False)
@property
def days_per_copy(self):
return Decimal(float(self.price) / self.work.last_campaign().dollar_per_day )
class Acq(models.Model):
"""
Short for Acquisition, this is a made-up word to describe the thing you acquire when you buy or borrow an ebook
"""
CHOICES = ((INDIVIDUAL,'Individual license'),(LIBRARY,'Library License'),(BORROWED,'Borrowed from Library'), (TESTING,'Just for Testing'), (RESERVE,'On Reserve'),)
created = models.DateTimeField(auto_now_add=True)
expires = models.DateTimeField(null=True)
refreshes = models.DateTimeField(auto_now_add=True, default=now())
refreshes.editable=True
refreshed = models.BooleanField(default=True)
work = models.ForeignKey("Work", related_name='acqs', null=False)
user = models.ForeignKey(User, related_name='acqs')
license = models.PositiveSmallIntegerField(null = False, default = INDIVIDUAL,
choices=CHOICES)
watermarked = models.ForeignKey("booxtream.Boox", null=True)
nonce = models.CharField(max_length=32, null=True)
# when the acq is a loan, this points at the library's acq it's derived from
lib_acq = models.ForeignKey("self", related_name="loans", null=True)
def __unicode__(self):
if self.lib_acq:
return "%s, %s: %s for %s" % (self.work, self.get_license_display(), self.lib_acq.user, self.user)
else:
return "%s, %s for %s" % (self.work, self.get_license_display(), self.user,)
@property
def expired(self):
if self.expires is None:
return False
else:
return self.expires < datetime.now()
def get_mobi_url(self):
if self.expired:
return ''
return self.get_watermarked().download_link_mobi
def get_epub_url(self):
if self.expired:
return ''
return self.get_watermarked().download_link_epub
def get_watermarked(self):
if self.watermarked == None or self.watermarked.expired:
if self.on_reserve:
self.borrow(self.user)
params={
'customeremailaddress': self.user.email,
'customername': self.user.username,
'languagecode':'1033',
'expirydays': 1,
'downloadlimit': 7,
'exlibris':0,
'chapterfooter':1,
'disclaimer':0,
'referenceid': '%s:%s:%s' % (self.work.id, self.user.id, self.id),
'kf8mobi': True,
'epub': True,
}
personalized = personalize(self.work.ebookfiles()[0].file, self)
personalized.filename.seek(0)
self.watermarked = watermarker.platform(epubfile= personalized.filename, **params)
self.save()
return self.watermarked
def _hash(self):
return hashlib.md5('%s:%s:%s:%s'%(settings.TWITTER_CONSUMER_SECRET,self.user.id,self.work.id,self.created)).hexdigest()
def expire_in(self, delta):
self.expires = now() + delta
self.save()
if self.lib_acq:
self.lib_acq.refreshes = now() + delta
self.lib_acq.refreshed = False
self.lib_acq.save()
@property
def on_reserve(self):
return self.license==RESERVE
def borrow(self, user=None):
if self.on_reserve:
self.license=BORROWED
self.expire_in(timedelta(days=14))
self.user.wishlist.add_work( self.work, "borrow")
notification.send([self.user], "library_borrow", {'acq':self})
return self
elif self.borrowable and user:
user.wishlist.add_work( self.work, "borrow")
borrowed = Acq.objects.create(user=user,work=self.work,license= BORROWED, lib_acq=self)
from regluit.core.tasks import watermark_acq
notification.send([user], "library_borrow", {'acq':borrowed})
watermark_acq.delay(borrowed)
return borrowed
@property
def borrowable(self):
if self.license == RESERVE and not self.expired:
return True
if self.license == LIBRARY:
return self.refreshes < datetime.now()
else:
return False
@property
def holds(self):
return Hold.objects.filter(library__user=self.user,work=self.work).order_by('created')
def config_acq(sender, instance, created, **kwargs):
if created:
instance.nonce=instance._hash()
instance.save()
if instance.license == RESERVE:
instance.expire_in(timedelta(hours=24))
if instance.license == BORROWED:
instance.expire_in(timedelta(days=14))
post_save.connect(config_acq,sender=Acq)
class Hold(models.Model):
created = models.DateTimeField(auto_now_add=True)
work = models.ForeignKey("Work", related_name='holds', null=False)
user = models.ForeignKey(User, related_name='holds', null=False)
library = models.ForeignKey(Library, related_name='holds', null=False)
def __unicode__(self):
return '%s for %s at %s' % (self.work,self.user.username,self.library)
def ahead(self):
return Hold.objects.filter(work=self.work,library=self.library,created__lt=self.created).count()
class Campaign(models.Model):
LICENSE_CHOICES = settings.CCCHOICES
created = models.DateTimeField(auto_now_add=True)
name = models.CharField(max_length=500, null=True, blank=False)
description = RichTextField(null=True, blank=False)
details = RichTextField(null=True, blank=True)
target = models.DecimalField(max_digits=14, decimal_places=2, null=True, blank=False)
license = models.CharField(max_length=255, choices = LICENSE_CHOICES, default='CC BY-NC-ND')
left = models.DecimalField(max_digits=14, decimal_places=2, null=True, blank=False)
deadline = models.DateTimeField(db_index=True)
dollar_per_day = models.FloatField(null=True)
cc_date_initial = models.DateTimeField(null=True)
activated = models.DateTimeField(null=True)
paypal_receiver = models.CharField(max_length=100, blank=True)
amazon_receiver = models.CharField(max_length=100, blank=True)
work = models.ForeignKey("Work", related_name="campaigns", null=False)
managers = models.ManyToManyField(User, related_name="campaigns", null=False)
# status: INITIALIZED, ACTIVE, SUSPENDED, WITHDRAWN, SUCCESSFUL, UNSUCCESSFUL
status = models.CharField(max_length=15, null=True, blank=False, default="INITIALIZED")
type = models.PositiveSmallIntegerField(null = False, default = REWARDS,
choices=((REWARDS,'Rewards-based fixed duration campaign'),(BUY2UNGLUE,'Buy-to-unglue campaign')))
edition = models.ForeignKey("Edition", related_name="campaigns", null=True)
email = models.CharField(max_length=100, blank=True)
publisher = models.ForeignKey("Publisher", related_name="campaigns", null=True)
def __init__(self, *args, **kwargs):
self.problems=[]
return super(Campaign, self).__init__(*args, **kwargs)
def __unicode__(self):
try:
return u"Campaign for %s" % self.work.title
except:
return u"Campaign %s (no associated work)" % self.name
def clone(self):
"""use a previous UNSUCCESSFUL campaign's data as the basis for a new campaign
assume that B2U campaigns don't need cloning
"""
if self.clonable():
old_managers= self.managers.all()
# copy custom premiums
new_premiums= self.premiums.filter(type='CU')
# setting pk to None will insert new copy http://stackoverflow.com/a/4736172/7782
self.pk = None
self.status = 'INITIALIZED'
# set deadline far in future -- presumably RH will set deadline to proper value before campaign launched
self.deadline = date_today() + timedelta(days=int(settings.UNGLUEIT_LONGEST_DEADLINE))
# allow created, activated dates to be autoset by db
self.created = None
self.name = 'copy of %s' % self.name
self.activated = None
self.update_left()
self.save()
self.managers=old_managers
# clone associated premiums
for premium in new_premiums:
premium.pk=None
premium.created = None
premium.campaign = self
premium.save()
return self
else:
return None
def clonable(self):
"""campaign clonable if it's UNSUCCESSFUL and is the last campaign associated with a Work"""
if self.status == 'UNSUCCESSFUL' and self.work.last_campaign().id==self.id:
return True
else:
return False
@property
def launchable(self):
may_launch=True
try:
if self.status != 'INITIALIZED':
if self.status == 'ACTIVE':
self.problems.append(_('The campaign is already launched'))
else:
self.problems.append(_('A campaign must initialized properly before it can be launched'))
may_launch = False
if self.target < Decimal(settings.UNGLUEIT_MINIMUM_TARGET):
self.problems.append(_('A campaign may not be launched with a target less than $%s' % settings.UNGLUEIT_MINIMUM_TARGET))
may_launch = False
if self.type==REWARDS and self.deadline.date()- date_today() > timedelta(days=int(settings.UNGLUEIT_LONGEST_DEADLINE)):
self.problems.append(_('The chosen closing date is more than %s days from now' % settings.UNGLUEIT_LONGEST_DEADLINE))
may_launch = False
elif self.deadline.date()- date_today() < timedelta(days=0):
self.problems.append(_('The chosen closing date is in the past'))
may_launch = False
if self.type==BUY2UNGLUE and self.work.offers.filter(price__gt=0,active=True).count()==0:
self.problems.append(_('You can\'t launch a buy-to-unglue campaign before setting a price for your ebooks' ))
may_launch = False
if self.type==BUY2UNGLUE and EbookFile.objects.filter(edition__work=self.work).count()==0:
self.problems.append(_('You can\'t launch a buy-to-unglue campaign if you don\'t have any ebook files uploaded' ))
may_launch = False
if self.type==BUY2UNGLUE and ((self.cc_date_initial is None) or (self.cc_date_initial > datetime.combine(settings.MAX_CC_DATE, datetime.min.time())) or (self.cc_date_initial < now())):
self.problems.append(_('You must set an initial Ungluing Date that is in the future and not after %s' % settings.MAX_CC_DATE ))
may_launch = False
except Exception as e :
self.problems.append('Exception checking launchability ' + str(e))
may_launch = False
return may_launch
def update_status(self, ignore_deadline_for_success=False, send_notice=False, process_transactions=False):
"""Updates the campaign's status. returns true if updated.
for REWARDS:
Computes UNSUCCESSFUL only after the deadline has passed
Computes SUCCESSFUL only after the deadline has passed if ignore_deadline_for_success is TRUE -- otherwise looks just at amount of pledges accumulated
by default, send_notice is False so that we have to explicitly send specify delivery of successful_campaign notice
for BUY2UNGLUE:
Sets SUCCESSFUL when cc_date is in the past.
if process_transactions is True, also execute or cancel associated transactions
"""
if not self.status=='ACTIVE':
return False
elif self.type==REWARDS:
if (ignore_deadline_for_success or self.deadline < now()) and self.current_total >= self.target:
self.status = 'SUCCESSFUL'
self.save()
action = CampaignAction(campaign=self, type='succeeded', comment = self.current_total)
action.save()
if process_transactions:
p = PaymentManager()
results = p.execute_campaign(self)
if send_notice:
successful_campaign.send(sender=None,campaign=self)
# should be more sophisticated in whether to return True -- look at all the transactions?
return True
elif self.deadline < now() and self.current_total < self.target:
self.status = 'UNSUCCESSFUL'
self.save()
action = CampaignAction(campaign=self, type='failed', comment = self.current_total)
action.save()
if process_transactions:
p = PaymentManager()
results = p.cancel_campaign(self)
if send_notice:
regluit.core.signals.unsuccessful_campaign.send(sender=None,campaign=self)
# should be more sophisticated in whether to return True -- look at all the transactions?
return True
elif self.type==BUY2UNGLUE:
if self.cc_date < date_today():
self.status = 'SUCCESSFUL'
self.save()
action = CampaignAction(campaign=self, type='succeeded', comment = self.current_total)
action.save()
self.watermark_success()
if send_notice:
successful_campaign.send(sender=None,campaign=self)
# should be more sophisticated in whether to return True -- look at all the transactions?
return True
return False
_current_total = None
@property
def current_total(self):
if self._current_total is None:
p = PaymentManager()
self._current_total = p.query_campaign(self,summary=True, campaign_total=True)
return self._current_total
def set_dollar_per_day(self):
if self.status!='INITIALIZED' and self.dollar_per_day:
return self.dollar_per_day
if self.cc_date_initial is None:
return None
start_datetime= self.activated if self.activated else datetime.today()
time_to_cc = self.cc_date_initial - start_datetime
self.dollar_per_day = float(self.target)/float(time_to_cc.days)
if self.status!='DEMO':
self.save()
return self.dollar_per_day
def set_cc_date_initial(self, a_date=settings.MAX_CC_DATE):
self.cc_date_initial = datetime.combine(a_date, datetime.min.time())
@property
def cc_date(self):
if self.dollar_per_day is None:
return self.cc_date_initial.date()
cc_advance_days = float(self.current_total) / self.dollar_per_day
return (self.cc_date_initial-timedelta(days=cc_advance_days)).date()
def update_left(self):
if self.type == BUY2UNGLUE:
self.left = Decimal(self.dollar_per_day*float((self.cc_date_initial - datetime.today()).days))-self.current_total
else:
self.left = self.target - self.current_total
if self.status != 'DEMO':
self.save()
def transactions(self, **kwargs):
p = PaymentManager()
# handle default parameter values
kw = {'summary':False, 'campaign_total':True}
kw.update(kwargs)
return p.query_campaign(self, **kw)
def activate(self):
status = self.status
if status != 'INITIALIZED':
raise UnglueitError(_('Campaign needs to be initialized in order to be activated'))
try:
active_claim = self.work.claim.filter(status="active")[0]
except IndexError, e:
raise UnglueitError(_('Campaign needs to have an active claim in order to be activated'))
self.status= 'ACTIVE'
self.left = self.target
self.activated = datetime.today()
self.save()
action = CampaignAction( campaign = self, type='activated', comment = self.get_type_display())
ungluers = self.work.wished_by()
notification.queue(ungluers, "wishlist_active", {'campaign':self}, True)
return self
def suspend(self, reason):
status = self.status
if status != 'ACTIVE':
raise UnglueitError(_('Campaign needs to be active in order to be suspended'))
action = CampaignAction( campaign = self, type='suspended', comment = reason)
action.save()
self.status='SUSPENDED'
self.save()
return self
def withdraw(self, reason):
status = self.status
if status != 'ACTIVE':
raise UnglueitError(_('Campaign needs to be active in order to be withdrawn'))
action = CampaignAction( campaign = self, type='withdrawn', comment = reason)
action.save()
self.status='WITHDRAWN'
self.save()
return self
def resume(self, reason):
"""Change campaign status from SUSPENDED to ACTIVE. We may want to track reason for resuming and track history"""
status = self.status
if status != 'SUSPENDED':
raise UnglueitError(_('Campaign needs to be suspended in order to be resumed'))
if not reason:
reason=''
action = CampaignAction( campaign = self, type='restarted', comment = reason)
action.save()
self.status= 'ACTIVE'
self.save()
return self
def supporters(self):
# expensive query used in loop; stash it
if hasattr(self, '_translist_'):
return self._translist_
"""nb: returns (distinct) supporter IDs, not supporter objects"""
self._translist_ = self.transactions().filter(status=TRANSACTION_STATUS_ACTIVE).values_list('user', flat=True).distinct()
return self._translist_
@property
def supporters_count(self):
# avoid transmitting the whole list if you don't need to; let the db do the count.
active = self.transactions().filter(status=TRANSACTION_STATUS_ACTIVE).values_list('user', flat=True).distinct().count()
complete = self.transactions().filter(status=TRANSACTION_STATUS_COMPLETE).values_list('user', flat=True).distinct().count()
return active+complete
def transaction_to_recharge(self, user):
"""given a user, return the transaction to be recharged if there is one -- None otherwise"""
# only if a campaign is SUCCESSFUL, we allow for recharged
if self.status == 'SUCCESSFUL':
if self.transaction_set.filter(Q(user=user) & (Q(status=TRANSACTION_STATUS_COMPLETE) | Q(status=TRANSACTION_STATUS_ACTIVE))).count():
# presence of an active or complete transaction means no transaction to recharge
return None
else:
transactions = self.transaction_set.filter(Q(user=user) & (Q(status=TRANSACTION_STATUS_ERROR) | Q(status=TRANSACTION_STATUS_FAILED)))
# assumption --that the first failed/errored transaction has the amount we need to recharge
if transactions.count():
return transactions[0]
else:
return None
else:
return None
def ungluers(self):
# expensive query used in loop; stash it
if hasattr(self, '_ungluers_'):
return self._ungluers_
p = PaymentManager()
ungluers={"all":[],"supporters":[], "patrons":[], "bibliophiles":[]}
if self.status == "ACTIVE":
translist = p.query_campaign(self, summary=False, pledged=True, authorized=True)
elif self.status == "SUCCESSFUL":
translist = p.query_campaign(self, summary=False, pledged=True, completed=True)
else:
translist = []
for transaction in translist:
ungluers['all'].append(transaction.user)
if not transaction.anonymous:
if transaction.amount >= Premium.TIERS["bibliophile"]:
ungluers['bibliophiles'].append(transaction.user)
elif transaction.amount >= Premium.TIERS["patron"]:
ungluers['patrons'].append(transaction.user)
elif transaction.amount >= Premium.TIERS["supporter"]:
ungluers['supporters'].append(transaction.user)
self._ungluers_= ungluers
return ungluers
def ungluer_transactions(self):
"""
returns a list of authorized transactions for campaigns in progress,
or completed transactions for successful campaigns
used to build the acks page -- because ack_name, _link, _dedication adhere to transactions,
it's easier to return transactions than ungluers
"""
p = PaymentManager()
ungluers={"all":[],"supporters":[], "anon_supporters": 0, "patrons":[], "anon_patrons": 0, "bibliophiles":[]}
if self.status == "ACTIVE":
translist = p.query_campaign(self, summary=False, pledged=True, authorized=True)
elif self.status == "SUCCESSFUL":
translist = p.query_campaign(self, summary=False, pledged=True, completed=True)
else:
translist = []
for transaction in translist:
ungluers['all'].append(transaction.user)
if transaction.amount >= Premium.TIERS["bibliophile"]:
ungluers['bibliophiles'].append(transaction)
elif transaction.amount >= Premium.TIERS["patron"]:
if transaction.anonymous:
ungluers['anon_patrons'] += 1
else:
ungluers['patrons'].append(transaction)
elif transaction.amount >= Premium.TIERS["supporter"]:
if transaction.anonymous:
ungluers['anon_supporters'] += 1
else:
ungluers['supporters'].append(transaction)
return ungluers
def effective_premiums(self):
"""returns the available premiums for the Campaign including any default premiums"""
if self.type is BUY2UNGLUE:
return Premium.objects.none()
q = Q(campaign=self) | Q(campaign__isnull=True)
return Premium.objects.filter(q).exclude(type='XX').order_by('amount')
def custom_premiums(self):
"""returns only the active custom premiums for the Campaign"""
if self.type is BUY2UNGLUE:
return Premium.objects.none()
return Premium.objects.filter(campaign=self).filter(type='CU').order_by('amount')
@property
def library_offer(self):
return self._offer(LIBRARY)
@property
def individual_offer(self):
return self._offer(INDIVIDUAL)
def _offer(self, license):
if self.type is REWARDS:
return None
try:
return Offer.objects.get(work=self.work, active=True, license=license)
except Offer.DoesNotExist:
return None
@property
def days_per_copy(self):
if self.individual_offer:
return Decimal(float(self.individual_offer.price) / self.dollar_per_day )
else:
return Decimal(0)
@property
def rh(self):
"""returns the rights holder for an active or initialized campaign"""
try:
q = Q(status='ACTIVE') | Q(status='INITIALIZED')
rh = self.work.claim.filter(q)[0].rights_holder
return rh
except:
return None
@property
def rightsholder(self):
"""returns the name of the rights holder for an active or initialized campaign"""
try:
return self.rh.rights_holder_name
except:
return ''
@property
def license_url(self):
return CCLicense.url(self.license)
@property
def license_badge(self):
return CCLicense.badge(self.license)
@property
def success_date(self):
if self.status == 'SUCCESSFUL':
try:
return self.actions.filter(type='succeeded')[0].timestamp
except:
return ''
return ''
def percent_of_goal(self):
percent = 0
if(self.status == 'SUCCESSFUL' or self.status == 'ACTIVE'):
if self.type == BUY2UNGLUE:
percent = int(100 - 100*self.left/self.target)
else:
percent = int(self.current_total/self.target*100)
return percent
@property
def countdown(self):
from math import ceil
time_remaining = self.deadline - now()
countdown = ""
if time_remaining.days:
countdown = "%s days" % str(time_remaining.days + 1)
elif time_remaining.seconds > 3600:
countdown = "%s hours" % str(time_remaining.seconds/3600 + 1)
elif time_remaining.seconds > 60:
countdown = "%s minutes" % str(time_remaining.seconds/60 + 1)
else:
countdown = "Seconds"
return countdown
@classmethod
def latest_ending(cls):
return (timedelta(days=int(settings.UNGLUEIT_LONGEST_DEADLINE)) + now())
def make_unglued_ebf(self, format, watermarked):
ebf=EbookFile.objects.create(edition=self.work.preferred_edition, format=format)
r=urllib2.urlopen(watermarked.download_link(format))
ebf.file.save(path_for_file(ebf,None),ContentFile(r.read()))
ebf.file.close()
ebf.save()
ebook=Ebook.objects.create(
edition=self.work.preferred_edition,
format=format,
rights=self.license,
provider="Unglue.it",
url= settings.BASE_URL_SECURE + reverse('download_campaign',args=[self.work.id,format]),
)
return ebook.pk
def watermark_success(self):
if self.status == 'SUCCESSFUL' and self.type == BUY2UNGLUE:
params={
'customeremailaddress': self.license,
'customername': 'The Public',
'languagecode':'1033',
'expirydays': 1,
'downloadlimit': 7,
'exlibris':0,
'chapterfooter':0,
'disclaimer':0,
'referenceid': '%s:%s:%s' % (self.work.id, self.id, self.license),
'kf8mobi': True,
'epub': True,
}
ungluified = ungluify(self.work.ebookfiles()[0].file, self)
ungluified.filename.seek(0)
watermarked = watermarker.platform(epubfile= ungluified.filename, **params)
self.make_unglued_ebf('epub', watermarked)
self.make_unglued_ebf('mobi', watermarked)
return True
return False
class Identifier(models.Model):
# olib, ltwk, goog, gdrd, thng, isbn, oclc, olwk, olib, gute, glue
type = models.CharField(max_length=4, null=False)
value = models.CharField(max_length=31, null=False)
work = models.ForeignKey("Work", related_name="identifiers", null=False)
edition = models.ForeignKey("Edition", related_name="identifiers", null=True)
class Meta:
unique_together = ("type", "value")
@staticmethod
def set(type=None, value=None, edition=None, work=None):
# if there's already an id of this type for this work and edition, change it
# if not, create it. if the id exists and points to something else, change it.
identifier= Identifier.get_or_add(type=type, value=value, edition = edition, work=work)
if identifier.work.id != work.id:
identifier.work=work
identifier.save()
if identifier.edition and edition:
if identifier.edition.id != edition.id:
identifier.edition = edition
identifier.save()
others= Identifier.objects.filter(type=type, work=work, edition=edition).exclude(value=value)
if others.count()>0:
for other in others:
other.delete()
return identifier
@staticmethod
def get_or_add( type='goog', value=None, edition=None, work=None):
try:
return Identifier.objects.get(type=type, value=value)
except Identifier.DoesNotExist:
i=Identifier(type=type, value=value, edition=edition, work=work)
i.save()
return i
def __unicode__(self):
return u'{0}:{1}'.format(self.type, self.value)
class Work(models.Model):
created = models.DateTimeField(auto_now_add=True)
title = models.CharField(max_length=1000)
language = models.CharField(max_length=2, default="en", null=False)
openlibrary_lookup = models.DateTimeField(null=True)
num_wishes = models.IntegerField(default=0, db_index=True)
description = models.TextField(default='', null=True, blank=True)
class Meta:
ordering = ['title']
def __init__(self, *args, **kwargs):
self._last_campaign = None
super(Work, self).__init__(*args, **kwargs)
@property
def googlebooks_id(self):
preferred_id=self.preferred_edition.googlebooks_id
# note that there's always a preferred edition
if preferred_id:
return preferred_id
try:
return self.identifiers.filter(type='goog')[0].value
except IndexError:
return ''
@property
def googlebooks_url(self):
if self.googlebooks_id:
return "http://books.google.com/books?id=%s" % self.googlebooks_id
else:
return ''
@property
def goodreads_id(self):
preferred_id=self.preferred_edition.goodreads_id
if preferred_id:
return preferred_id
try:
return self.identifiers.filter(type='gdrd')[0].value
except IndexError:
return ''
@property
def goodreads_url(self):
return "http://www.goodreads.com/book/show/%s" % self.goodreads_id
@property
def librarything_id(self):
try:
return self.identifiers.filter(type='ltwk')[0].value
except IndexError:
return ''
@property
def librarything_url(self):
return "http://www.librarything.com/work/%s" % self.librarything_id
@property
def openlibrary_id(self):
try:
return self.identifiers.filter(type='olwk')[0].value
except IndexError:
return ''
@property
def openlibrary_url(self):
return "http://openlibrary.org" + self.openlibrary_id
def cover_image_small(self):
try:
if self.preferred_edition.cover_image_small():
return self.preferred_edition.cover_image_small()
except IndexError:
pass
return "/static/images/generic_cover_larger.png"
def cover_image_thumbnail(self):
try:
if self.preferred_edition.cover_image_thumbnail():
return self.preferred_edition.cover_image_thumbnail()
except IndexError:
pass
return "/static/images/generic_cover_larger.png"
def author(self):
# note: if you want this to be a real list, use distinct()
# perhaps should change this to vote on authors.
authors = list(Author.objects.filter(editions__work=self).all())
try:
return authors[0].name
except:
return ''
def last_campaign(self):
# stash away the last campaign to prevent repeated lookups
if hasattr(self, '_last_campaign_'):
return self._last_campaign_
try:
self._last_campaign_ = self.campaigns.order_by('-created')[0]
except IndexError:
self._last_campaign_ = None
return self._last_campaign_
@property
def preferred_edition(self):
if self.last_campaign():
if self.last_campaign().edition:
return self.last_campaign().edition
return self.editions.all()[0]
def last_campaign_status(self):
campaign = self.last_campaign()
if campaign:
status = campaign.status
else:
if self.first_ebook():
status = "Available"
else:
status = "No campaign yet"
return status
def percent_unglued(self):
status = 0
campaign = self.last_campaign()
if campaign is not None:
if(campaign.status == 'SUCCESSFUL'):
status = 6
elif(campaign.status == 'ACTIVE'):
target = float(campaign.target)
if target <= 0:
status = 6
else:
if campaign.type == BUY2UNGLUE:
status = int( 6 - 6*campaign.left/campaign.target)
else:
status = int(float(campaign.current_total)*6/target)
if status >= 6:
status = 6
return status
def percent_of_goal(self):
campaign = self.last_campaign()
return 0 if campaign is None else campaign.percent_of_goal()
def ebooks(self):
return Ebook.objects.filter(edition__work=self).order_by('-created')
def ebookfiles(self):
# filter out non-epub because that's what booxtream accepts now
return EbookFile.objects.filter(edition__work=self, format='epub').order_by('-created')
@property
def download_count(self):
dlc=0
for ebook in self.ebooks():
dlc += ebook.download_count
return dlc
def first_pdf(self):
return self.first_ebook('pdf')
def first_epub(self):
return self.first_ebook('epub')
def first_pdf_url(self):
try:
url = self.first_ebook('pdf').url
return url
except:
return None
def first_epub_url(self):
try:
url = self.first_ebook('epub').url
return url
except:
return None
def first_ebook(self, ebook_format=None):
if ebook_format:
for ebook in self.ebooks().filter(format=ebook_format):
return ebook
else:
for ebook in self.ebooks():
return ebook
def wished_by(self):
return User.objects.filter(wishlist__works__in=[self])
def update_num_wishes(self):
self.num_wishes = Wishes.objects.filter(work=self).count()
self.save()
def first_oclc(self):
preferred_id=self.preferred_edition.oclc
if preferred_id:
return preferred_id
try:
return self.identifiers.filter(type='oclc')[0].value
except IndexError:
return ''
def first_isbn_13(self):
preferred_id=self.preferred_edition.isbn_13
if preferred_id:
return preferred_id
try:
return self.identifiers.filter(type='isbn')[0].value
except IndexError:
return ''
@property
def publication_date(self):
for edition in Edition.objects.filter(work=self):
if edition.publication_date:
return edition.publication_date
return ''
@property
def publication_date_year(self):
try:
return self.publication_date[:4]
except IndexError:
return 'unknown'
def __unicode__(self):
return self.title
@property
def has_unglued_edition(self):
"""
allows us to distinguish successful campaigns with ebooks still in progress from successful campaigns with ebooks available
"""
if self.ebooks().filter(edition__unglued=True):
return True
return False
@property
def user_with_rights(self):
"""
return queryset of users (should be at most one) who act for rights holders with active claims to the work
"""
claims = self.claim.filter(status='active')
assert claims.count() < 2, "There is more than one active claim on %r" % self.title
try:
return claims[0].user
except:
return False
def get_absolute_url(self):
return reverse('work', args=[str(self.id)])
def publishers(self):
# returns a set of publishers associated with this Work
return Publisher.objects.filter(name__editions__work=self).distinct()
def create_offers(self):
for choice in Offer.CHOICES:
if not self.offers.filter(license=choice[0]):
self.offers.create(license=choice[0],active=True,price=Decimal(10))
return self.offers.all()
def get_lib_license(self,user):
lib_user=(lib.user for lib in user.profile.libraries)
return self.get_user_license(lib_user)
def borrowable(self, user):
if user.is_anonymous():
return False
lib_license=self.get_lib_license(user)
if lib_license and lib_license.borrowable:
return True
return False
def in_library(self,user):
if user.is_anonymous():
return False
lib_license=self.get_lib_license(user)
if lib_license and lib_license.acqs.count():
return True
return False
@property
def lib_acqs(self):
return self.acqs.filter(license=LIBRARY)
class user_license:
acqs=Acq.objects.none()
def __init__(self,acqs):
self.acqs=acqs
@property
def is_active(self):
return self.acqs.filter(expires__isnull = True).count()>0 or self.acqs.filter(expires__gt= now()).count()>0
@property
def borrowed(self):
loans = self.acqs.filter(license=BORROWED,expires__gt= now())
if loans.count()==0:
return None
else:
return loans[0]
@property
def purchased(self):
purchases = self.acqs.filter(license=INDIVIDUAL)
if purchases.count()==0:
return None
else:
return purchases[0]
@property
def lib_acqs(self):
return self.acqs.filter(license=LIBRARY)
@property
def next_acq(self):
""" This is the next available copy in the user's libraries"""
loans = self.acqs.filter(license=LIBRARY, refreshes__gt=now()).order_by('refreshes')
if loans.count()==0:
return None
else:
return loans[0]
@property
def borrowable(self):
return self.acqs.filter(license=LIBRARY, refreshes__lt=now()).count()>0
@property
def borrowable_acq(self):
for acq in self.acqs.filter(license=LIBRARY, refreshes__lt=now()):
return acq
else:
return None
def get_user_license(self, user):
""" This is all the acqs, wrapped in user_license object for the work, user(s) """
if user==None:
return None
if isinstance(user, User):
if user.is_anonymous():
return None
return self.user_license(self.acqs.filter(user=user))
else:
# assume it's several users
return self.user_license(self.acqs.filter(user__in=user))
class Author(models.Model):
created = models.DateTimeField(auto_now_add=True)
name = models.CharField(max_length=500)
editions = models.ManyToManyField("Edition", related_name="authors")
def __unicode__(self):
return self.name
class Subject(models.Model):
created = models.DateTimeField(auto_now_add=True)
name = models.CharField(max_length=200, unique=True)
works = models.ManyToManyField("Work", related_name="subjects")
class Meta:
ordering = ['name']
def __unicode__(self):
return self.name
class Edition(models.Model):
created = models.DateTimeField(auto_now_add=True)
title = models.CharField(max_length=1000)
publisher_name = models.ForeignKey("PublisherName", related_name="editions", null=True)
publication_date = models.CharField(max_length=50, null=True, blank=True)
public_domain = models.NullBooleanField(null=True, blank=True)
work = models.ForeignKey("Work", related_name="editions", null=True)
cover_image = models.URLField(null=True, blank=True)
unglued = models.BooleanField(blank=True)
def __unicode__(self):
if self.isbn_13:
return "%s (ISBN %s) %s" % (self.title, self.isbn_13, self.publisher)
if self.oclc:
return "%s (OCLC %s) %s" % (self.title, self.oclc, self.publisher)
if self.googlebooks_id:
return "%s (GOOG %s) %s" % (self.title, self.googlebooks_id, self.publisher)
else:
return "%s (GLUE %s) %s" % (self.title, self.id, self.publisher)
def cover_image_small(self):
if self.cover_image:
return self.cover_image
elif self.googlebooks_id:
return "https://encrypted.google.com/books?id=%s&printsec=frontcover&img=1&zoom=5" % self.googlebooks_id
else:
return ''
def cover_image_thumbnail(self):
if self.cover_image:
return self.cover_image
elif self.googlebooks_id:
return "https://encrypted.google.com/books?id=%s&printsec=frontcover&img=1&zoom=1" % self.googlebooks_id
else:
return ''
@property
def publisher(self):
if self.publisher_name:
return self.publisher_name.name
return ''
@property
def isbn_10(self):
return regluit.core.isbn.convert_13_to_10(self.isbn_13)
@property
def isbn_13(self):
try:
return self.identifiers.filter(type='isbn')[0].value
except IndexError:
return ''
@property
def googlebooks_id(self):
try:
return self.identifiers.filter(type='goog')[0].value
except IndexError:
return ''
@property
def librarything_id(self):
try:
return self.identifiers.filter(type='thng')[0].value
except IndexError:
return ''
@property
def oclc(self):
try:
return self.identifiers.filter(type='oclc')[0].value
except IndexError:
return ''
@property
def goodreads_id(self):
try:
return self.identifiers.filter(type='gdrd')[0].value
except IndexError:
return ''
@staticmethod
def get_by_isbn( isbn):
if len(isbn)==10:
isbn=regluit.core.isbn.convert_10_to_13(isbn)
try:
return Identifier.objects.get( type='isbn', value=isbn ).edition
except Identifier.DoesNotExist:
return None
def set_publisher(self,publisher_name):
if publisher_name and publisher_name != '':
try:
pub_name = PublisherName.objects.get(name=publisher_name)
if pub_name.publisher:
pub_name = pub_name.publisher.name
except PublisherName.DoesNotExist:
pub_name = PublisherName.objects.create(name=publisher_name)
pub_name.save()
self.publisher_name = pub_name
self.save()
class Publisher(models.Model):
created = models.DateTimeField(auto_now_add=True)
name = models.ForeignKey('PublisherName', related_name='key_publisher')
url = models.URLField(max_length=1024, null=True, blank=True)
logo_url = models.URLField(max_length=1024, null=True, blank=True)
description = models.TextField(default='', null=True, blank=True)
def __unicode__(self):
return self.name.name
class PublisherName(models.Model):
name = models.CharField(max_length=255, blank=False)
publisher = models.ForeignKey('Publisher', related_name='alternate_names', null=True)
def __unicode__(self):
return self.name
def save(self, *args, **kwargs):
super(PublisherName, self).save(*args, **kwargs) # Call the "real" save() method.
if self.publisher and self != self.publisher.name:
#this name is an alias, repoint all editions with this name to the other.
for edition in Edition.objects.filter(publisher_name=self):
edition.publisher_name = self.publisher.name
edition.save()
class WasWork(models.Model):
work = models.ForeignKey('Work')
was = models.IntegerField(unique = True)
moved = models.DateTimeField(auto_now_add=True)
user = models.ForeignKey(User, null=True)
FORMAT_CHOICES = (('pdf','PDF'),( 'epub','EPUB'), ('html','HTML'), ('text','TEXT'), ('mobi','MOBI'))
def path_for_file(instance, filename):
version = EbookFile.objects.filter(edition = instance.edition, format = instance.format).count()
hash = hashlib.md5('%s.%s.%d'%(settings.TWITTER_CONSUMER_SECRET, instance.edition.pk, version)).hexdigest()
fn = "ebf/%s.%s"%(hash,instance.format)
return fn
class EbookFile(models.Model):
file = models.FileField(upload_to=path_for_file)
format = models.CharField(max_length=25, choices = FORMAT_CHOICES)
edition = models.ForeignKey('Edition', related_name='ebook_files')
created = models.DateTimeField(auto_now_add=True)
class Ebook(models.Model):
FORMAT_CHOICES = settings.FORMATS
RIGHTS_CHOICES = settings.CCCHOICES
url = models.URLField(max_length=1024)
created = models.DateTimeField(auto_now_add=True)
format = models.CharField(max_length=25, choices = FORMAT_CHOICES)
provider = models.CharField(max_length=255)
download_count = models.IntegerField(default=0)
# use 'PD-US', 'CC BY', 'CC BY-NC-SA', 'CC BY-NC-ND', 'CC BY-NC', 'CC BY-ND', 'CC BY-SA', 'CC0'
rights = models.CharField(max_length=255, null=True, choices = RIGHTS_CHOICES, db_index=True)
edition = models.ForeignKey('Edition', related_name='ebooks')
user = models.ForeignKey(User, null=True)
def set_provider(self):
self.provider=Ebook.infer_provider(self.url)
return self.provider
@property
def rights_badge(self):
if self.rights is None :
return CCLicense.badge('PD-US')
return CCLicense.badge(self.rights)
@staticmethod
def infer_provider( url):
if not url:
return None
# provider derived from url. returns provider value. remember to call save() afterward
if url.startswith('http://books.google.com/'):
provider='Google Books'
elif url.startswith('http://www.gutenberg.org/'):
provider='Project Gutenberg'
elif re.match('https?://(www\.|)archive.org/', url):
provider='Internet Archive'
elif url.startswith('http://hdl.handle.net/2027/') or url.startswith('http://babel.hathitrust.org/'):
provider='Hathitrust'
elif re.match('http://\w\w\.wikisource\.org/', url):
provider='Wikisource'
else:
provider=None
return provider
def increment(self):
Ebook.objects.filter(id=self.id).update(download_count = F('download_count') +1)
@property
def download_url(self):
return settings.BASE_URL_SECURE + reverse('download_ebook',args=[self.id])
def __unicode__(self):
return "%s (%s from %s)" % (self.edition.title, self.format, self.provider)
class Wishlist(models.Model):
created = models.DateTimeField(auto_now_add=True)
user = models.OneToOneField(User, related_name='wishlist')
works = models.ManyToManyField('Work', related_name='wishlists', through='Wishes')
def __unicode__(self):
return "%s's Books" % self.user.username
def add_work(self, work, source, notify=False):
try:
w = Wishes.objects.get(wishlist=self,work=work)
except:
Wishes.objects.create(source=source,wishlist=self,work=work)
work.update_num_wishes()
# only send notification in case of new wishes
# and only when they result from user action, not (e.g.) our tests
if notify:
wishlist_added.send(sender=self, work=work, supporter=self.user)
def remove_work(self, work):
w = Wishes.objects.filter(wishlist=self, work=work)
if w:
w.delete()
work.update_num_wishes()
def work_source(self, work):
w = Wishes.objects.filter(wishlist=self, work=work)
if w:
return w[0].source
else:
return ''
class Wishes(models.Model):
created = models.DateTimeField(auto_now_add=True)
source = models.CharField(max_length=15, blank=True)
wishlist = models.ForeignKey('Wishlist')
work = models.ForeignKey('Work', related_name='wishes')
class Meta:
db_table = 'core_wishlist_works'
class Badge(models.Model):
name = models.CharField(max_length=72, blank=True)
description = models.TextField(default='', null=True)
@property
def path(self):
return '/static/images/%s.png' % self.name
def __unicode__(self):
return self.name
def pledger():
if not pledger.instance:
pledger.instance = Badge.objects.get(name='pledger')
return pledger.instance
pledger.instance=None
def pledger2():
if not pledger2.instance:
pledger2.instance = Badge.objects.get(name='pledger2')
return pledger2.instance
pledger2.instance=None
ANONYMOUS_AVATAR = '/static/images/header/avatar.png'
(NO_AVATAR, GRAVATAR, TWITTER, FACEBOOK) = (0, 1, 2, 3)
class Libpref(models.Model):
user = models.OneToOneField(User, related_name='libpref')
marc_link_target = models.CharField(
max_length=6,
default = 'UNGLUE',
choices = settings.MARC_PREF_OPTIONS,
verbose_name="MARC record link targets"
)
class UserProfile(models.Model):
created = models.DateTimeField(auto_now_add=True)
user = models.OneToOneField(User, related_name='profile')
tagline = models.CharField(max_length=140, blank=True)
pic_url = models.URLField(blank=True)
home_url = models.URLField(blank=True)
twitter_id = models.CharField(max_length=15, blank=True)
facebook_id = models.PositiveIntegerField(null=True)
librarything_id = models.CharField(max_length=31, blank=True)
badges = models.ManyToManyField('Badge', related_name='holders')
kindle_email = models.EmailField(max_length=254, blank=True)
goodreads_user_id = models.CharField(max_length=32, null=True, blank=True)
goodreads_user_name = models.CharField(max_length=200, null=True, blank=True)
goodreads_auth_token = models.TextField(null=True, blank=True)
goodreads_auth_secret = models.TextField(null=True, blank=True)
goodreads_user_link = models.CharField(max_length=200, null=True, blank=True)
avatar_source = models.PositiveSmallIntegerField(null = True, default = GRAVATAR,
choices=((NO_AVATAR,'No Avatar, Please'),(GRAVATAR,'Gravatar'),(TWITTER,'Twitter'),(FACEBOOK,'Facebook')))
def __unicode__(self):
return self.user.username
def reset_pledge_badge(self):
#count user pledges
n_pledges = self.pledge_count
if self.badges.exists():
self.badges.remove(pledger())
self.badges.remove(pledger2())
if n_pledges == 1:
self.badges.add(pledger())
elif n_pledges > 1:
self.badges.add(pledger2())
@property
def pledge_count(self):
return self.user.transaction_set.exclude(status='NONE').exclude(status='Canceled',reason=None).exclude(anonymous=True).count()
@property
def account(self):
# there should be only one active account per user
accounts = self.user.account_set.filter(date_deactivated__isnull=True)
if accounts.count()==0:
return None
else:
return accounts[0]
@property
def old_account(self):
accounts = self.user.account_set.filter(date_deactivated__isnull=False).order_by('-date_deactivated')
if accounts.count()==0:
return None
else:
return accounts[0]
@property
def pledges(self):
return self.user.transaction_set.filter(status=TRANSACTION_STATUS_ACTIVE)
@property
def last_transaction(self):
from regluit.payment.models import Transaction
try:
return Transaction.objects.filter(user=self.user).order_by('-date_modified')[0]
except IndexError:
return None
@property
def ack_name(self):
# use preferences from last transaction, if any
last = self.last_transaction
if last and last.extra:
return last.extra.get('ack_name', self.user.username)
else:
return self.user.username
@property
def anon_pref(self):
# use preferences from last transaction, if any
last = self.last_transaction
if last:
return last.anonymous
else:
return None
@property
def on_ml(self):
try:
return settings.MAILCHIMP_NEWS_ID in pm.listsForEmail(email_address=self.user.email)
except MailChimpException, e:
if e.code!=215: # don't log case where user is not on a list
logger.error("error getting mailchimp status %s" % (e))
except Exception, e:
logger.error("error getting mailchimp status %s" % (e))
return False
def ml_subscribe(self, **kwargs):
if "@example.org" in self.user.email:
# use @example.org email addresses for testing!
return True
try:
if not self.on_ml:
return pm.listSubscribe(id=settings.MAILCHIMP_NEWS_ID, email_address=self.user.email, **kwargs)
except Exception, e:
logger.error("error subscribing to mailchimp list %s" % (e))
return False
def ml_unsubscribe(self):
try:
return pm.listUnsubscribe(id=settings.MAILCHIMP_NEWS_ID, email_address=self.user.email)
except Exception, e:
logger.error("error unsubscribing from mailchimp list %s" % (e))
return False
def gravatar(self):
# construct the url
gravatar_url = "https://www.gravatar.com/avatar/" + hashlib.md5(self.user.email.lower()).hexdigest() + "?"
gravatar_url += urllib.urlencode({'d':'wavatar', 's':'50'})
return gravatar_url
@property
def avatar_url(self):
if self.avatar_source is None or self.avatar_source is TWITTER:
if self.pic_url:
return self.pic_url
else:
return ANONYMOUS_AVATAR
elif self.avatar_source == GRAVATAR:
return self.gravatar()
elif self.avatar_source == FACEBOOK and self.facebook_id != None:
return 'https://graph.facebook.com/' + str(self.facebook_id) + '/picture'
else:
return ANONYMOUS_AVATAR
@property
def social_auths(self):
socials= self.user.social_auth.all()
auths={}
for social in socials:
auths[social.provider]=True
return auths
@property
def libraries(self):
libs=[]
for group in self.user.groups.all():
try:
libs.append(group.library)
except Library.DoesNotExist:
pass
return libs
class Press(models.Model):
url = models.URLField()
title = models.CharField(max_length=140)
source = models.CharField(max_length=140)
date = models.DateField()
language = models.CharField(max_length=20, blank=True)
highlight = models.BooleanField(default=False)
note = models.CharField(max_length=140, blank=True)
class MARCRecord(models.Model):
edition = models.ForeignKey("Edition", related_name="MARCrecords", null=True)
# this is where the download link points to, direct link or via Unglue.it.
link_target = models.CharField(max_length=6,choices = settings.MARC_CHOICES, default='DIRECT')
@property
def accession(self):
zeroes = 9 - len(str(self.id))
return 'ung' + zeroes*'0' + str(self.id)
@property
def xml_record(self):
return self._record('xml')
@property
def mrc_record(self):
return self._record('mrc')
def _record(self, filetype):
test = '' if '/unglue.it' in settings.BASE_URL else '_test'
if self.link_target == 'DIRECT':
fn = '_unglued.'
elif self.link_target == 'UNGLUE':
fn = '_via_unglueit.'
else:
fn = '_ungluing.'
return 'marc' + test + '/' + self.accession + fn + filetype
# this was causing a circular import problem and we do not seem to be using
# anything from regluit.core.signals after this line
# from regluit.core import signals
from regluit.payment.manager import PaymentManager