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[wolnelektury.git] / src / catalogue / models / collection.py

diff --git a/src/catalogue/models/collection.py b/src/catalogue/models/collection.py
index 098501e..2c9a348 100644 (file)
--- a/src/catalogue/models/collection.py
+++ b/src/catalogue/models/collection.py
@@ -1,23 +1,32 @@
-# -*- coding: utf-8 -*-
 # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 #
 from django.conf import settings
 from django.db import models
-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 _
+import re
+from wolnelektury.utils import cached_render, clear_cached_renders
 
 
 class Collection(models.Model):
     """A collection of books, which might be defined before publishing them."""
     title = models.CharField(_('title'), max_length=120, db_index=True)
     slug = models.SlugField(_('slug'), max_length=120, primary_key=True)
-    description = models.TextField(_('description'), null=True, blank=True)
-
-    models.SlugField(_('slug'), max_length=120, unique=True, db_index=True)
+    description = models.TextField(_('description'), blank=True)
     book_slugs = models.TextField(_('book slugs'))
-
-    kind = models.CharField(_('kind'), max_length=10, blank=False, default='book', db_index=True, choices=((('book'), _('book')), (('picture'), ('picture'))))
+    authors = models.ManyToManyField(
+        'Tag',
+        limit_choices_to={'category': 'author'},
+        blank=True
+    )
+    kind = models.CharField(_('kind'), max_length=10, blank=False, default='book', db_index=True,
+                            choices=(('book', _('book')), ('picture', _('picture'))))
+    listed = models.BooleanField(_('listed'), default=True, db_index=True)
+    role = models.CharField(max_length=128, blank=True, db_index=True, choices=[
+        ('', '–'),
+        ('recommend', _('recommended')),
+    ])
 
     class Meta:
         ordering = ('title',)
@@ -25,25 +34,33 @@ class Collection(models.Model):
         verbose_name_plural = _('collections')
         app_label = 'catalogue'
 
-    def __unicode__(self):
+    def __str__(self):
         return self.title
 
-    @models.permalink
+    def get_initial(self):
+        try:
+            return re.search(r'\w', self.title, re.U).group(0)
+        except AttributeError:
+            return ''
+
     def get_absolute_url(self):
-        return ("collection", [self.slug])
+        return reverse("collection", args=[self.slug])
 
     def get_query(self):
         slugs = self.book_slugs.split()
         # allow URIs
-        slugs = [slug.rstrip('/').rsplit('/', 1)[-1] if '/' in slug else slug
-                    for slug in slugs]
+        slugs = [slug.rstrip('/').rsplit('/', 1)[-1] if '/' in slug else slug for slug in slugs]
         return models.Q(slug__in=slugs)
 
-    def flush_includes(self, languages=True):
-        if not languages:
-            return
-        if languages is True:
-            languages = [lc for (lc, _ln) in settings.LANGUAGES]
+    def get_books(self):
+        from catalogue.models import Book
+        return Book.objects.filter(self.get_query())
+
+    def get_5_books(self):
+        return self.get_books()[:5]
+
+    def example3(self):
+        return self.get_books()[:3]
 
-        flush_ssi_includes([
-            '/katalog/%s.json' % lang for lang in languages])
+    def clear_cache(self):
+        clear_cached_renders(self.box)