From e22b691a1c2ac0e1aba750771cd17f032f47c172 Mon Sep 17 00:00:00 2001
From: Radek Czajka <rczajka@rczajka.pl>
Date: Mon, 20 Apr 2020 17:09:05 +0200
Subject: [PATCH] Add link.

---
 src/documents/templates/documents/book_detail.html | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/documents/templates/documents/book_detail.html b/src/documents/templates/documents/book_detail.html
index d9b06c7f..be17ec14 100644
--- a/src/documents/templates/documents/book_detail.html
+++ b/src/documents/templates/documents/book_detail.html
@@ -37,8 +37,12 @@
 
 	</div>
 	<div class="col-md-4">
-	  W katalogu:
-	  {{ book.catalogue_book }}
+          {% with cbook=book.catalogue_book %}
+            {% if cbook %}
+	      W katalogu:
+	      <a href="{% url 'catalogue_book' cbook.slug %}">{{ cbook }}</a>
+            {% endif %}
+          {% endwith %}
 	</div>
       </div>
     </div>
-- 
2.20.1