X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/67df302167539474edd02b57c2e8bd30349d7625..bf3f18ce9313f4929ff327fbf12803157de171cb:/apps/sponsors/models.py?ds=sidebyside diff --git a/apps/sponsors/models.py b/apps/sponsors/models.py index a2e3e0857..0565b9744 100644 --- a/apps/sponsors/models.py +++ b/apps/sponsors/models.py @@ -2,26 +2,27 @@ # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later. # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information. # +import json +import time +from StringIO import StringIO from django.db import models from django.utils.translation import ugettext_lazy as _ from django.template.loader import render_to_string +from PIL import Image -from sorl.thumbnail.fields import ImageWithThumbnailsField -from sponsors.fields import JSONField +from jsonfield import JSONField +from django.core.files.base import ContentFile +from ssify import flush_ssi_includes + +THUMB_WIDTH = 120 +THUMB_HEIGHT = 120 class Sponsor(models.Model): name = models.CharField(_('name'), max_length=120) _description = models.CharField(_('description'), blank=True, max_length=255) - logo = ImageWithThumbnailsField( - _('logo'), - upload_to='sponsorzy/sponsor/logo', - thumbnail={ - 'size': (120, 120), - 'extension': 'png', - 'options': ['pad', 'detail'], - }) - url = models.URLField(_('url'), blank=True, verify_exists=False) + logo = models.ImageField(_('logo'), upload_to='sponsorzy/sponsor/logo') + url = models.URLField(_('url'), blank=True) def __unicode__(self): return self.name @@ -37,29 +38,69 @@ class SponsorPage(models.Model): name = models.CharField(_('name'), max_length=120) sponsors = JSONField(_('sponsors'), default={}) _html = models.TextField(blank=True, editable=False) + sprite = models.ImageField(upload_to='sponsorzy/sprite', blank=True) def populated_sponsors(self): result = [] - for column in self.get_sponsors_value(): + offset = 0 + for column in self.sponsors: result_group = {'name': column['name'], 'sponsors': []} sponsor_objects = Sponsor.objects.in_bulk(column['sponsors']) for sponsor_pk in column['sponsors']: try: - result_group['sponsors'].append(sponsor_objects[sponsor_pk]) + result_group['sponsors'].append((offset, sponsor_objects[sponsor_pk])) + offset -= THUMB_HEIGHT except KeyError: pass result.append(result_group) return result + def render_sprite(self): + sponsor_ids = [] + for column in self.sponsors: + sponsor_ids.extend(column['sponsors']) + sponsors = Sponsor.objects.in_bulk(sponsor_ids) + sprite = Image.new('RGBA', (THUMB_WIDTH, len(sponsors) * THUMB_HEIGHT)) + for i, sponsor_id in enumerate(sponsor_ids): + simg = Image.open(sponsors[sponsor_id].logo.path) + if simg.size[0] > THUMB_WIDTH or simg.size[1] > THUMB_HEIGHT: + size = ( + min(THUMB_WIDTH, + simg.size[0] * THUMB_HEIGHT / simg.size[1]), + min(THUMB_HEIGHT, + simg.size[1] * THUMB_WIDTH / simg.size[0]) + ) + simg = simg.resize(size, Image.ANTIALIAS) + sprite.paste(simg, ( + (THUMB_WIDTH - simg.size[0]) / 2, + i * THUMB_HEIGHT + (THUMB_HEIGHT - simg.size[1]) / 2, + )) + imgstr = StringIO() + sprite.save(imgstr, 'png') + + if self.sprite: + self.sprite.delete(save=False) + self.sprite.save('sponsorzy/sprite/%s-%d.png' % (self.name, time.time()), ContentFile(imgstr.getvalue()), save=False) + def html(self): return self._html html = property(fget=html) def save(self, *args, **kwargs): + if isinstance(self.sponsors, basestring): + # 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 }) - return super(SponsorPage, self).save(*args, **kwargs) + ret = super(SponsorPage, self).save(*args, **kwargs) + self.flush_includes() + return ret + + def flush_includes(self): + flush_ssi_includes(['/sponsors/page/%s.html' % self.name]) def __unicode__(self): return self.name