X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/154870f0416b6b387637d6035c96321410512e95..ca336bd1f9658cf713681d1412d4153e5c4d9c93:/src/search/index.py

diff --git a/src/search/index.py b/src/search/index.py
index a712b0702..9f87b9974 100644
--- a/src/search/index.py
+++ b/src/search/index.py
@@ -1,7 +1,7 @@
 # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 #
-from functools import total_ordering
+from functools import reduce, total_ordering
 from itertools import chain
 import logging
 import operator
@@ -634,7 +634,10 @@ class SearchResult(object):
     def get_book(self):
         if self._book is not None:
             return self._book
-        self._book = catalogue.models.Book.objects.get(id=self.book_id)
+        try:
+            self._book = catalogue.models.Book.objects.get(id=self.book_id)
+        except catalogue.models.Book.DoesNotExist:
+            self._book = None
         return self._book
 
     book = property(get_book)
@@ -713,12 +716,12 @@ class SearchResult(object):
                             break
 
             def theme_by_name(n):
-                th = filter(lambda t: t.name == n, themes)
+                th = list(filter(lambda t: t.name == n, themes))
                 if th:
                     return th[0]
                 else:
                     return None
-            themes_hit = filter(lambda a: a is not None, map(theme_by_name, themes_hit))
+            themes_hit = list(filter(lambda a: a is not None, map(theme_by_name, themes_hit)))
 
             m = {'score': f[self.SCORE],
                  'fragment': frag,
@@ -746,13 +749,17 @@ class SearchResult(object):
                     books[r.book_id] = r
         return books.values()
 
+    def get_sort_key(self):
+        return (-self.score,
+                self.published_date,
+                self.book.sort_key_author if self.book else '',
+                self.book.sort_key if self.book else '')
+
     def __lt__(self, other):
-        return (-self.score, self.published_date, self.book.sort_key_author, self.book.sort_key) > \
-               (-other.score, other.published_date, other.book.sort_key_author, other.book.sort_key)
+        return self.get_sort_key() > other.get_sort_key()
 
     def __eq__(self, other):
-        return (self.score, self.published_date, self.book.sort_key_author, self.book.sort_key) == \
-               (other.score, other.published_date, other.book.sort_key_author, other.book.sort_key)
+        return self.get_sort_key() == other.get_sort_key()
 
     def __len__(self):
         return len(self.hits)