More Py3 compatibility fixes.

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

diff --git a/src/catalogue/models/collection.py b/src/catalogue/models/collection.py
index 098501e..3c4b475 100644 (file)
--- a/src/catalogue/models/collection.py
+++ b/src/catalogue/models/collection.py
@@ -6,6 +6,7 @@ from django.conf import settings
 from django.db import models
 from django.utils.translation import ugettext_lazy as _
 from ssify import flush_ssi_includes
+import re
 
 
 class Collection(models.Model):
@@ -13,11 +14,9 @@ class Collection(models.Model):
     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)
     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'))))
+    kind = models.CharField(_('kind'), max_length=10, blank=False, default='book', db_index=True,
+                            choices=(('book', _('book')), ('picture', _('picture'))))
 
     class Meta:
         ordering = ('title',)
@@ -25,20 +24,29 @@ class Collection(models.Model):
         verbose_name_plural = _('collections')
         app_label = 'catalogue'
 
-    def __unicode__(self):
+    def __str__(self):
         return self.title
 
+    def get_initial(self):
+        try:
+            return re.search(r'\w', self.title, re.U).group(0)
+        except AttributeError:
+            return ''
+
     @models.permalink
     def get_absolute_url(self):
-        return ("collection", [self.slug])
+        return "collection", [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 get_books(self):
+        from catalogue.models import Book
+        return Book.objects.filter(self.get_query())
+
     def flush_includes(self, languages=True):
         if not languages:
             return