Add missing constraint.

[wolnelektury.git] / src / social / models.py

diff --git a/src/social/models.py b/src/social/models.py
index 58f5511..e852988 100644 (file)
--- a/src/social/models.py
+++ b/src/social/models.py
@@ -1,13 +1,14 @@
 # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 #
 # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 #

+from random import randint

 from django.db import models
 from django.conf import settings
 from django.core.exceptions import ValidationError
 from django.db import models
 from django.conf import settings
 from django.core.exceptions import ValidationError

-from django.core.urlresolvers import reverse
-from django.utils.translation import ugettext_lazy as _
-from ssify import flush_ssi_includes
+from django.urls import reverse
+from django.utils.translation import gettext_lazy as _, get_language

 from catalogue.models import Book
 from catalogue.models import Book

+from wolnelektury.utils import cached_render, clear_cached_renders

 
 
 class BannerGroup(models.Model):
 
 
 class BannerGroup(models.Model):


@@ -26,83 +27,133 @@ class BannerGroup(models.Model):
         """This is used for testing."""
         return "%s?banner_group=%d" % (reverse('main_page'), self.id)
 
         """This is used for testing."""
         return "%s?banner_group=%d" % (reverse('main_page'), self.id)
 

+    def get_banner(self):
+        banners = self.cite_set.all()
+        count = banners.count()
+        if not count:
+            return None
+        return banners[randint(0, count-1)]
+

 
 class Cite(models.Model):
 
 class Cite(models.Model):

-    book = models.ForeignKey(Book, verbose_name=_('book'), null=True, blank=True)
+    book = models.ForeignKey(Book, models.CASCADE, verbose_name=_('book'), null=True, blank=True)

     text = models.TextField(_('text'), blank=True)
     small = models.BooleanField(_('small'), default=False, help_text=_('Make this cite display smaller.'))
     vip = models.CharField(_('VIP'), max_length=128, null=True, blank=True)
     link = models.URLField(_('link'))
     video = models.URLField(_('video'), blank=True)
     text = models.TextField(_('text'), blank=True)
     small = models.BooleanField(_('small'), default=False, help_text=_('Make this cite display smaller.'))
     vip = models.CharField(_('VIP'), max_length=128, null=True, blank=True)
     link = models.URLField(_('link'))
     video = models.URLField(_('video'), blank=True)

-    picture = models.ImageField(_('picture'), blank=True)
+    picture = models.ImageField(_('picture'), blank=True,
+            help_text='Najlepsze wymiary: 975 x 315 z tekstem, 487 x 315 bez tekstu.')
+    picture_alt = models.CharField(_('picture alternative text'), max_length=255, blank=True)
+    picture_title = models.CharField(_('picture title'), max_length=255, null=True, blank=True)
+    picture_author = models.CharField(_('picture author'), max_length=255, blank=True, null=True)
+    picture_link = models.URLField(_('picture link'), blank=True, null=True)
+    picture_license = models.CharField(_('picture license name'), max_length=255, blank=True, null=True)
+    picture_license_link = models.URLField(_('picture license link'), blank=True, null=True)

 
     sticky = models.BooleanField(_('sticky'), default=False, db_index=True,
                                  help_text=_('Sticky cites will take precedense.'))
 
     sticky = models.BooleanField(_('sticky'), default=False, db_index=True,
                                  help_text=_('Sticky cites will take precedense.'))

-    banner = models.BooleanField(_('banner'), default=False, help_text=_('Adjust size to image, ignore the text'))
-
+    background_plain = models.BooleanField(_('plain background'), default=False)
+    background_color = models.CharField(_('background color'), max_length=32, blank=True)

     image = models.ImageField(
     image = models.ImageField(

-        _('image'), upload_to='social/cite', null=True, blank=True,
-        help_text=_('Best image is exactly 975px wide and weights under 100kB.'))
-    image_shift = models.IntegerField(
-        _('shift'), null=True, blank=True,
-        help_text=_(u'Vertical shift, in percents. 0 means top, 100 is bottom. Default is 50%.'))
-    image_title = models.CharField(_('title'), max_length=255, null=True, blank=True)
-    image_author = models.CharField(_('author'), max_length=255, blank=True, null=True)
-    image_link = models.URLField(_('link'), blank=True, null=True)
-    image_license = models.CharField(_('license name'), max_length=255, blank=True, null=True)
-    image_license_link = models.URLField(_('license link'), blank=True, null=True)
+        _('background image'), upload_to='social/cite', null=True, blank=True,
+        help_text=_('Best background is 975 x 315 px and under 100kB.'))
+    image_title = models.CharField(_('background title'), max_length=255, null=True, blank=True)
+    image_author = models.CharField(_('background author'), max_length=255, blank=True, null=True)
+    image_link = models.URLField(_('background link'), blank=True, null=True)
+    image_license = models.CharField(_('background license name'), max_length=255, blank=True, null=True)
+    image_license_link = models.URLField(_('background license link'), blank=True, null=True)

 
     created_at = models.DateTimeField(_('created at'), auto_now_add=True)
     group = models.ForeignKey(BannerGroup, verbose_name=_('group'), null=True, blank=True, on_delete=models.SET_NULL)
 
     class Meta:
         ordering = ('vip', 'text')
 
     created_at = models.DateTimeField(_('created at'), auto_now_add=True)
     group = models.ForeignKey(BannerGroup, verbose_name=_('group'), null=True, blank=True, on_delete=models.SET_NULL)
 
     class Meta:
         ordering = ('vip', 'text')

-        verbose_name = _('cite')
-        verbose_name_plural = _('cites')
+        verbose_name = _('banner')
+        verbose_name_plural = _('banners')

 
     def __str__(self):
 
     def __str__(self):

-        return u"%s: %s…" % (self.vip, self.text[:60])
+        t = []
+        if self.text:
+            t.append(self.text[:60])
+        if self.book_id:
+            t.append('[ks.]'[:60])
+        t.append(self.link[:60])
+        if self.vip:
+            t.append('vip: ' + self.vip)
+        if self.picture:
+            t.append('[obr.]')
+        if self.video:
+            t.append('[vid.]')
+        return ', '.join(t)

 
     def get_absolute_url(self):
         """This is used for testing."""
 
     def get_absolute_url(self):
         """This is used for testing."""

-        return "%s?choose_cite=%d" % (reverse('main_page'), self.id)
+        return "%s?banner=%d" % (reverse('main_page'), self.id)
+
+    def has_box(self):
+        return self.video or self.picture
+
+    def has_body(self):
+        return self.vip or self.text or self.book
+
+    def layout(self):
+        pieces = []
+        if self.has_box():
+            pieces.append('box')
+        if self.has_body():
+            pieces.append('text')
+        return '-'.join(pieces)
+

 
     def save(self, *args, **kwargs):
         ret = super(Cite, self).save(*args, **kwargs)
 
     def save(self, *args, **kwargs):
         ret = super(Cite, self).save(*args, **kwargs)

-        self.flush_includes()
+        self.clear_cache()

         return ret
 
         return ret
 

-    def flush_includes(self):
-        flush_ssi_includes([
-            template % (self.pk, lang)
-            for template in [
-                '/ludzie/cite/%s.%s.html',
-                '/ludzie/cite_main/%s.%s.html',
-            ]
-            for lang in [lc for (lc, _ln) in settings.LANGUAGES]] +
-            ['/ludzie/cite_info/%s.html' % self.pk])
+    @cached_render('social/cite_promo.html')
+    def main_box(self):
+        return {
+            'cite': self,
+            'main': True,
+        }
+
+    def clear_cache(self):
+        clear_cached_renders(self.main_box)

 
 
 class Carousel(models.Model):
 
 
 class Carousel(models.Model):

-    slug = models.SlugField(_('slug'), unique=True)
+    placement = models.SlugField(_('placement'), choices=[
+        ('main', 'main'),
+        ('main_2022', 'main 2022'),
+    ])
+    priority = models.SmallIntegerField(_('priority'), default=0)
+    language = models.CharField(_('language'), max_length=2, blank=True, default='', choices=settings.LANGUAGES)

 
     class Meta:
 
     class Meta:

-        ordering = ('slug',)
+#        ordering = ('placement', '-priority')

         verbose_name = _('carousel')
         verbose_name_plural = _('carousels')
 
     def __str__(self):
         verbose_name = _('carousel')
         verbose_name_plural = _('carousels')
 
     def __str__(self):

-        return self.slug
+        return self.placement
+
+    @classmethod
+    def get(cls, placement):
+        carousel = cls.objects.filter(models.Q(language='') | models.Q(language=get_language()), placement=placement).order_by('-priority', '?').first()
+        if carousel is None:
+            carousel = cls.objects.create(placement=placement)
+        return carousel
+

 
 class CarouselItem(models.Model):
 
 class CarouselItem(models.Model):

-    order = models.PositiveSmallIntegerField(_('order'), unique=True)
+    order = models.PositiveSmallIntegerField(_('order'))

     carousel = models.ForeignKey(Carousel, models.CASCADE, verbose_name=_('carousel'))
     banner = models.ForeignKey(Cite, models.CASCADE, null=True, blank=True, verbose_name=_('banner'))
     banner_group = models.ForeignKey(BannerGroup, models.CASCADE, null=True, blank=True, verbose_name=_('banner group'))
 
     class Meta:
         ordering = ('order',)
     carousel = models.ForeignKey(Carousel, models.CASCADE, verbose_name=_('carousel'))
     banner = models.ForeignKey(Cite, models.CASCADE, null=True, blank=True, verbose_name=_('banner'))
     banner_group = models.ForeignKey(BannerGroup, models.CASCADE, null=True, blank=True, verbose_name=_('banner group'))
 
     class Meta:
         ordering = ('order',)

-        unique_together = [('carousel', 'order')]

         verbose_name = _('carousel item')
         verbose_name_plural = _('carousel items')
 
         verbose_name = _('carousel item')
         verbose_name_plural = _('carousel items')
 


@@ -114,3 +165,6 @@ class CarouselItem(models.Model):
             raise ValidationError(_('Either banner or banner group is required.'))
         elif self.banner and self.banner_group:
             raise ValidationError(_('Either banner or banner group is required.'))
             raise ValidationError(_('Either banner or banner group is required.'))
         elif self.banner and self.banner_group:
             raise ValidationError(_('Either banner or banner group is required.'))

+
+    def get_banner(self):
+        return self.banner or self.banner_group.get_banner()