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Location: symposion_app/vendor/symposion/sponsorship/models.py
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text/x-python
urlize abstracts
I've looked through the database and I can't find any accepted
proposals that actually contain anything to linkify - but I've had
several requests from people that I think are reasonable, things like
being able to link to their project (we ask them to provide a project
url but we don't use that link)
This seems like a reasonably fast way to let those people add a
link. We still have to manually accept changes to their proposal so we
have a chance to look at the content of the url if we want.
The urlize filter adds rel=nofollow to the link automatically.
I've looked through the database and I can't find any accepted
proposals that actually contain anything to linkify - but I've had
several requests from people that I think are reasonable, things like
being able to link to their project (we ask them to provide a project
url but we don't use that link)
This seems like a reasonably fast way to let those people add a
link. We still have to manually accept changes to their proposal so we
have a chance to look at the content of the url if we want.
The urlize filter adds rel=nofollow to the link automatically.
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from django.conf import settings
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
# The benefits we track as individual fields on sponsors
# Names are the names in the database as defined by organizers.
# Field names are the benefit names, lowercased, with
# spaces changed to _, and with "_benefit" appended.
# Column titles are arbitrary.
# "really just care about the ones we have today: print logo, web logo, print description, web description and the ad."
BENEFITS = [
{
'name': 'Web logo',
'field_name': 'web_logo_benefit',
'column_title': _(u"Web Logo"),
}, {
'name': 'Print logo',
'field_name': 'print_logo_benefit',
'column_title': _(u"Print Logo"),
}, {
'name': 'Company Description',
'field_name': 'company_description_benefit',
'column_title': _(u"Web Desc"),
}, {
'name': 'Print Description',
'field_name': 'print_description_benefit',
'column_title': _(u"Print Desc"),
}
]
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 __str__(self):
return "%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)
display_url = models.URLField(_("display URL"), blank=True)
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(_("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, verbose_name=_("Sponsor logo"))
# Whether things are complete
# True = complete, False = incomplate, Null = n/a for this sponsor level
web_logo_benefit = models.NullBooleanField(_("Web logo benefit"), help_text=_(u"Web logo benefit is complete"))
print_logo_benefit = models.NullBooleanField(_("Print logo benefit"), help_text=_(u"Print logo benefit is complete"))
print_description_benefit = models.NullBooleanField(_("Print description benefit"), help_text=_(u"Print description benefit is complete"))
company_description_benefit = models.NullBooleanField(_("Company description benefit"), help_text=_(u"Company description benefit is complete"))
objects = SponsorManager()
def __str__(self):
return self.name
class Meta:
verbose_name = _("Sponsor")
verbose_name_plural = _("Sponsors")
ordering = ['name']
def save(self, *args, **kwargs):
# Set fields related to benefits being complete
for benefit in BENEFITS:
field_name = benefit['field_name']
benefit_name = benefit['name']
setattr(self, field_name, self.benefit_is_complete(benefit_name))
super(Sponsor, self).save(*args, **kwargs)
def get_absolute_url(self):
if self.active:
return reverse("sponsor_detail", kwargs={"pk": self.pk})
return reverse("sponsor_list")
def get_display_url(self):
if self.display_url:
return self.display_url
else:
return self.external_url
@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 = ""
# @@@ 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 benefit_is_complete(self, name):
"""Return True - benefit is complete, False - benefit is not complete,
or None - benefit not applicable for this sponsor's level """
if BenefitLevel.objects.filter(level=self.level, benefit__name=name).exists():
try:
benefit = self.sponsor_benefits.get(benefit__name=name)
except SponsorBenefit.DoesNotExist:
return False
else:
return benefit.is_complete
else:
return None # Not an applicable benefit for this sponsor's level
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")),
("richtext", _("Rich Text")),
("weblogo", _("Web Logo")),
("simple", _("Simple")),
("option", _("Option"))
]
CONTENT_TYPE_CHOICES = [
("simple", "Simple"),
] + [
("listing_text_%s" % lang, "Listing Text (%s)" % label) for lang, label in settings.LANGUAGES
]
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")
content_type = models.CharField(_("content type"), choices=CONTENT_TYPE_CHOICES,
max_length=20, default="simple")
def __str__(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"]
verbose_name = _("Benefit level")
verbose_name_plural = _("Benefit levels")
def __str__(self):
return "%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, verbose_name=_("Active"))
# 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")
# Whether any assets required from the sponsor have been provided
# (e.g. a logo file for a Web logo benefit).
is_complete = models.NullBooleanField(_("Complete?"), help_text=_(u"True - benefit complete; False - benefit incomplete; Null - n/a"))
class Meta:
ordering = ["-active"]
verbose_name = _("Sponsor benefit")
verbose_name_plural = _("Sponsor benefits")
def __str__(self):
return "%s - %s (%s)" % (self.sponsor, self.benefit, self.benefit.type)
def save(self, *args, **kwargs):
# Validate - save() doesn't clean your model by default, so call
# it explicitly before saving
self.full_clean()
self.is_complete = self._is_complete()
super(SponsorBenefit, self).save(*args, **kwargs)
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 %(word)s words, you provided %(num)d.") % {
"word": self.max_words, "num": 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 in ("text", "richtext", "simple", "option"):
return ["text"]
return []
def _is_text_benefit(self):
return self.benefit.type in ["text", "richtext", "simple"] and bool(self.text)
def _is_upload_benefit(self):
return self.benefit.type in ["file", "weblogo"] and bool(self.upload)
def _is_complete(self):
return self.active and (self._is_text_benefit() or self._is_upload_benefit())
def _denorm_weblogo(sender, instance, created, **kwargs):
if instance:
if instance.benefit.type == "weblogo" and instance.upload:
sponsor = instance.sponsor
sponsor.sponsor_logo = instance
sponsor.save()
post_save.connect(_denorm_weblogo, sender=SponsorBenefit)
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