from io import BytesIO
from django.core.cache import cache
from django.db import models
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
from django.template.loader import render_to_string
from PIL import Image
-from jsonfield import JSONField
from django.core.files.base import ContentFile
THUMB_WIDTH = 120
class SponsorPage(models.Model):
name = models.CharField(_('name'), max_length=120)
- sponsors = JSONField(_('sponsors'), default={})
+ sponsors = models.TextField(_('sponsors'), default='{}')
_html = models.TextField(blank=True, editable=False)
sprite = models.ImageField(upload_to='sponsorzy/sprite', blank=True)
+ def get_sponsors_json(self):
+ return json.loads(self.sponsors or '[]')
+
def populated_sponsors(self):
result = []
offset = 0
- for column in self.sponsors:
+ for column in self.get_sponsors_json():
result_group = {'name': column['name'], 'sponsors': []}
sponsor_objects = Sponsor.objects.in_bulk(column['sponsors'])
for sponsor_pk in column['sponsors']:
offset -= THUMB_HEIGHT
except KeyError:
pass
- result.append(result_group)
+ if result_group['sponsors']:
+ result.append(result_group)
return result
def render_sprite(self):
sponsor_ids = []
- for column in self.sponsors:
+ for column in self.get_sponsors_json():
sponsor_ids.extend(column['sponsors'])
sponsors = Sponsor.objects.in_bulk(sponsor_ids)
sprite = Image.new('RGBA', (THUMB_WIDTH, len(sponsors) * THUMB_HEIGHT))
html = property(fget=html)
def save(self, *args, **kwargs):
- if isinstance(self.sponsors, str):
- # Walkaround for weird jsonfield 'no-decode' optimization.
- self.sponsors = json.loads(self.sponsors)
self.render_sprite()
self._html = render_to_string('sponsors/page.html', {
'sponsors': self.populated_sponsors(),
'page': self
})
ret = super(SponsorPage, self).save(*args, **kwargs)
- cache.delete('sponsor_page:' + name)
+ cache.delete('sponsor_page:' + self.name)
return ret
def __str__(self):