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Location: symposion_app/symposion/sponsorship/models.py
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text/x-python
comment out breadcrumbs for now
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from django.core.exceptions import ValidationError
from django.core.urlresolvers import reverse
from django.db import models
from django.utils.translation import ugettext_lazy as _
from django.contrib.auth.models import User
from symposion.conference.models import Conference
from symposion.sponsorship.managers import SponsorManager
class SponsorLevel(models.Model):
conference = models.ForeignKey(Conference, verbose_name=_("conference"))
name = models.CharField(_("name"), max_length=100)
order = models.IntegerField(_("order"), default=0)
cost = models.PositiveIntegerField(_("cost"))
description = models.TextField(_("description"), blank=True, help_text=_("This is private."))
class Meta:
ordering = ["conference", "order"]
verbose_name = _("sponsor level")
verbose_name_plural = _("sponsor levels")
def __unicode__(self):
return u"%s %s" % (self.conference, self.name)
def sponsors(self):
return self.sponsor_set.filter(active=True).order_by("added")
class Sponsor(models.Model):
applicant = models.ForeignKey(User, related_name="sponsorships", verbose_name=_("applicant"), null=True)
name = models.CharField(_("Sponsor Name"), max_length=100)
external_url = models.URLField(_("external URL"))
annotation = models.TextField(_("annotation"), blank=True)
contact_name = models.CharField(_("Contact Name"), max_length=100)
contact_email = models.EmailField(_(u"Contact Email"))
level = models.ForeignKey(SponsorLevel, verbose_name=_("level"))
added = models.DateTimeField(_("added"), default=datetime.datetime.now)
active = models.BooleanField(_("active"), default=False)
# Denormalization (this assumes only one logo)
sponsor_logo = models.ForeignKey("SponsorBenefit", related_name="+", null=True, blank=True, editable=False)
objects = SponsorManager()
def __unicode__(self):
return self.name
class Meta:
verbose_name = _("sponsor")
verbose_name_plural = _("sponsors")
def get_absolute_url(self):
if self.active:
return reverse("sponsor_detail", kwargs={"pk": self.pk})
return reverse("sponsor_list")
BENEFIT_TYPE_CHOICES = [
("text", "Text"),
("file", "File"),
("weblogo", "Web Logo"),
("simple", "Simple")
]
class Benefit(models.Model):
name = models.CharField(_("name"), max_length=100)
description = models.TextField(_("description"), blank=True)
type = models.CharField(_("type"), choices=BENEFIT_TYPE_CHOICES, max_length=10, default="simple")
def __unicode__(self):
return self.name
class BenefitLevel(models.Model):
benefit = models.ForeignKey(Benefit, related_name="benefit_levels", verbose_name=_("benefit"))
level = models.ForeignKey(SponsorLevel, related_name="benefit_levels", verbose_name=_("level"))
# default limits for this benefit at given level
max_words = models.PositiveIntegerField(_("max words"), blank=True, null=True)
other_limits = models.CharField(_("other limits"), max_length=200, blank=True)
class Meta:
ordering = ["level"]
def __unicode__(self):
return u"%s - %s" % (self.level, self.benefit)
class SponsorBenefit(models.Model):
sponsor = models.ForeignKey(Sponsor, related_name="sponsor_benefits", verbose_name=_("sponsor"))
benefit = models.ForeignKey(Benefit, related_name="sponsor_benefits", verbose_name=_("benefit"))
active = models.BooleanField(default=True)
# Limits: will initially be set to defaults from corresponding BenefitLevel
max_words = models.PositiveIntegerField(_("max words"), blank=True, null=True)
other_limits = models.CharField(_("other limits"), max_length=200, blank=True)
# Data: zero or one of these fields will be used, depending on the
# type of the Benefit (text, file, or simple)
text = models.TextField(_("text"), blank=True)
upload = models.FileField(_("file"), blank=True, upload_to="sponsor_files")
class Meta:
ordering = ['-active']
def __unicode__(self):
return u"%s - %s" % (self.sponsor, self.benefit)
def clean(self):
if self.max_words and len(self.text.split()) > self.max_words:
raise ValidationError("Sponsorship level only allows for %s words." % self.max_words)
def data_fields(self):
"""
Return list of data field names which should be editable for
this ``SponsorBenefit``, depending on its ``Benefit`` type.
"""
if self.benefit.type == "file" or self.benefit.type == "weblogo":
return ["upload"]
elif self.benefit.type == "text":
return ["text"]
return []
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