class Announcement(models.Model):
objects = AnnouncementManager()
created = models.DateTimeField(auto_now_add=True)
updated = models.DateTimeField(auto_now=True)
title = models.CharField(max_length=255)
text = models.TextField(max_length=750)
image = ImageField(
default="",
blank=True,
help_text=("60x60 pixel image recommended. Image "
"will be rescaled automatically to "
"a square."),
upload_to=_calculate_image_filename,
)
publish_from = models.DateTimeField(help_text="Timezone is %s" %
settings.TIME_ZONE)
publish_until = models.DateTimeField(blank=True,
null=True,
help_text="Timezone is %s" %
settings.TIME_ZONE)
def clean(self):
self.text = bleach.clean(self.text, tags=ALLOWED_TAGS, strip=True)
if self.publish_until and self.publish_until < self.publish_from:
raise ValidationError(
"Publish until must come after publish from.")
@property
def published(self):
_now = now()
return (self.publish_from <= _now) and (self.publish_until > _now if
self.publish_until else True)
def get_template_text(self):
"""Mark text as template safe so html tags are not escaped."""
return Markup(self.text)
def __unicode__(self):
return self.title
class Meta:
ordering = ["-publish_from"]
get_latest_by = "publish_from"
class Announcement(models.Model):
objects = AnnouncementManager()
created = models.DateTimeField(auto_now_add=True)
updated = models.DateTimeField(auto_now=True)
title = models.CharField(max_length=255)
text = models.TextField(max_length=750)
image = ImageField(default='',
blank=True,
help_text=('60x60 pixel image recommended. Image '
'will be rescaled automatically to '
'a square.'),
upload_to=_calculate_image_filename)
publish_from = models.DateTimeField(help_text='Timezone is %s' %
settings.TIME_ZONE)
publish_until = models.DateTimeField(blank=True,
null=True,
help_text='Timezone is %s' %
settings.TIME_ZONE)
def clean(self):
self.text = bleach.clean(self.text, tags=ALLOWED_TAGS, strip=True)
if self.publish_until and self.publish_until < self.publish_from:
raise ValidationError(
'Publish until must come after publish from.')
@property
def published(self):
now = datetime.now()
return ((self.publish_from <= now)
and (self.publish_until > now if self.publish_until else True))
def __unicode__(self):
return self.title
class Meta:
ordering = ['-publish_from']
get_latest_by = 'publish_from'