X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/1249091e84840ca27aa6047db36c8e899328f15c..4dad587dac33c6c04d9a1a594fbbd1c58dbf2bda:/src/catalogue/models/book.py

diff --git a/src/catalogue/models/book.py b/src/catalogue/models/book.py
index d3eddfd71..ea4debde9 100644
--- a/src/catalogue/models/book.py
+++ b/src/catalogue/models/book.py
@@ -229,8 +229,15 @@ class Book(models.Model):
     def is_accessible_to(self, user):
         if not self.preview:
             return True
+        if not user.is_authenticated:
+            return False
         Membership = apps.get_model('club', 'Membership')
-        return Membership.is_active_for(user)
+        if Membership.is_active_for(user):
+            return True
+        Funding = apps.get_model('funding', 'Funding')
+        if Funding.objects.filter(user=user, offer__book=self):
+            return True
+        return False
 
     def save(self, force_insert=False, force_update=False, **kwargs):
         from sortify import sortify
@@ -289,23 +296,24 @@ class Book(models.Model):
         
         return self.parent.get_prev_text()
 
-    def get_next_text(self):
-        child = self.children.order_by('parent_number').first()
-        if child is not None:
-            return child.get_first_text()
+    def get_next_text(self, inside=True):
+        if inside:
+            child = self.children.order_by('parent_number').first()
+            if child is not None:
+                return child.get_first_text()
 
         if not self.parent:
             return None
         sibling = self.parent.children.filter(parent_number__gt=self.parent_number).order_by('parent_number').first()
         if sibling is not None:
             return sibling.get_first_text()
-        return self.parent.get_next_text()
+        return self.parent.get_next_text(inside=False)
 
     def get_child_audiobook(self):
         BookMedia = apps.get_model('catalogue', 'BookMedia')
         if not BookMedia.objects.filter(book__ancestor=self).exists():
             return None
-        for child in self.children.all():
+        for child in self.children.order_by('parent_number').all():
             if child.has_mp3_file():
                 return child
             child_sub = child.get_child_audiobook()