From a8828a545c78f34a9b5bfaff8905eccc8985ff23 Mon Sep 17 00:00:00 2001
From: Radek Czajka <radoslaw.czajka@nowoczesnapolska.org.pl>
Date: Fri, 13 Aug 2010 10:41:58 +0200
Subject: [PATCH] Fixes #309: breadcrumbs to parent books

---
 apps/catalogue/views.py                           | 7 +++++++
 wolnelektury/templates/catalogue/book_detail.html | 9 +++++++++
 2 files changed, 16 insertions(+)

diff --git a/apps/catalogue/views.py b/apps/catalogue/views.py
index e7df9bc5d..617d19f94 100644
--- a/apps/catalogue/views.py
+++ b/apps/catalogue/views.py
@@ -214,6 +214,13 @@ def book_detail(request, slug):
     tags = list(book.tags.filter(~Q(category='set')))
     categories = split_tags(tags)
     book_children = book.children.all().order_by('parent_number')
+    
+    _book = book
+    parents = []
+    while _book.parent:
+        parents.append(_book.parent)
+        _book = _book.parent
+    parents = reversed(parents)
 
     theme_counter = book.theme_counter
     book_themes = models.Tag.objects.filter(pk__in=theme_counter.keys())
diff --git a/wolnelektury/templates/catalogue/book_detail.html b/wolnelektury/templates/catalogue/book_detail.html
index b9faea6fb..cb5dee0d9 100644
--- a/wolnelektury/templates/catalogue/book_detail.html
+++ b/wolnelektury/templates/catalogue/book_detail.html
@@ -13,6 +13,15 @@
     </form>
 
     <div id="books-list">
+        {% if parents %}
+            <div id='breadcrumbs'>
+                {% for parent in parents %}
+                    <a href="{{ parent.get_absolute_url }}">{{ parent }}</a>
+                    {% if not forloop.last %}&#187;{% endif %}
+                {% endfor %}
+            </div>
+        {% endif %}
+
         {% if extra_info.license %}
         <p>{% trans "Work is licensed under " %} <a href="{{ extra_info.license }}">{{ extra_info.license_description }}</a>.</p>
         {% endif %}
-- 
2.20.1