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Location: symposion_app/symposion/sponsorship/models.py
44deb8a53634
7.6 KiB
text/x-python
i18n for more mesages
Signed-off-by: Hiroshi Miura <miurahr@linux.com>
Signed-off-by: Hiroshi Miura <miurahr@linux.com>
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from django.core.exceptions import ValidationError
from django.core.urlresolvers import reverse
from django.db import models
from django.db.models.signals import post_init, post_save
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 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")
@property
def website_logo(self):
if self.sponsor_logo is None:
benefits = self.sponsor_benefits.filter(
benefit__type="weblogo", upload__isnull=False)[:1]
if benefits.count():
if benefits[0].upload:
self.sponsor_logo = benefits[0]
self.save()
return self.sponsor_logo.upload
@property
def listing_text(self):
if not hasattr(self, "_listing_text"):
self._listing_text = None
# @@@ better than hard-coding a pk but still not good
benefits = self.sponsor_benefits.filter(benefit__name="Sponsor Description")
if benefits.count():
self._listing_text = benefits[0].text
return self._listing_text
def reset_benefits(self):
"""
Reset all benefits for this sponsor to the defaults for their
sponsorship level.
"""
level = None
try:
level = self.level
except SponsorLevel.DoesNotExist:
pass
allowed_benefits = []
if level:
for benefit_level in level.benefit_levels.all():
# Create all needed benefits if they don't exist already
sponsor_benefit, created = SponsorBenefit.objects.get_or_create(
sponsor=self, benefit=benefit_level.benefit)
# and set to default limits for this level.
sponsor_benefit.max_words = benefit_level.max_words
sponsor_benefit.other_limits = benefit_level.other_limits
# and set to active
sponsor_benefit.active = True
# @@@ We don't call sponsor_benefit.clean here. This means
# that if the sponsorship level for a sponsor is adjusted
# downwards, an existing too-long text entry can remain,
# and won't raise a validation error until it's next
# edited.
sponsor_benefit.save()
allowed_benefits.append(sponsor_benefit.pk)
# Any remaining sponsor benefits that don't normally belong to
# this level are set to inactive
self.sponsor_benefits.exclude(pk__in=allowed_benefits)\
.update(active=False, max_words=None, other_limits="")
def send_coordinator_emails(self):
pass # @@@ should this just be done centrally?
def _store_initial_level(sender, instance, **kwargs):
if instance:
instance._initial_level_id = instance.level_id
post_init.connect(_store_initial_level, sender=Sponsor)
def _check_level_change(sender, instance, created, **kwargs):
if instance and (created or instance.level_id != instance._initial_level_id):
instance.reset_benefits()
post_save.connect(_check_level_change, sender=Sponsor)
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):
num_words = len(self.text.split())
if self.max_words and num_words > self.max_words:
raise ValidationError(
"Sponsorship level only allows for %s words, you provided %d." % (
self.max_words, num_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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