django 1.3, comments on books, last activity log, some minor changes

[redakcja.git] / apps / wiki / helpers.py

diff --git a/apps/wiki/helpers.py b/apps/wiki/helpers.py
index f072ef9..fe4b3b8 100644 (file)
--- a/apps/wiki/helpers.py
+++ b/apps/wiki/helpers.py
@@ -129,3 +129,42 @@ def recursive_groupby(iterable):
             grouper = None
 
     return list(_generator(iterable))
+
+
+def active_tab(tab):
+    """
+        View decorator, which puts tab info on a request.
+    """
+    def wrapper(f):
+        @wraps(f)
+        def wrapped(request, *args, **kwargs):
+            request.wiki_active_tab = tab
+            return f(request, *args, **kwargs)
+        return wrapped
+    return wrapper
+
+
+class BookChunks(object):
+    """
+        Yields the chunks of a book.
+    """
+
+    def __init__(self, book):
+        self.book = book
+
+    @property
+    def chunks(self):
+        return self.book.chunk_set.all()
+
+
+class ChoiceChunks(BookChunks):
+    """
+        Associates the given chunks iterable for a book.
+    """
+
+    chunks = None
+
+    def __init__(self, book, chunks):
+        self.book = book
+        self.chunks = chunks
+