[Zope3-checkins] CVS: Products3/NewsSite - newssite.py:1.2

[Axel Bringenberg]

Update of /cvs-repository/Products3/NewsSite
In directory cvs.zope.org:/tmp/cvs-serv22246

Modified Files:
	newssite.py 
Log Message:
 - added method that lists available news items


=== Products3/NewsSite/newssite.py 1.1 => 1.2 ===
--- Products3/NewsSite/newssite.py:1.1	Wed Mar 26 05:47:53 2003
+++ Products3/NewsSite/newssite.py	Wed Mar 26 09:56:14 2003
@@ -17,6 +17,10 @@
 """
 from zope.app.content.folder import Folder
 from zopeproducts.NewsSite.interfaces import INewsSite
+from zopeproducts.NewsSite.NewsItem.interfaces import INewsItem
+from zope.publisher.browser import BrowserView 
+from zope.app.interfaces.dublincore import ICMFDublinCore
+from zope.component import getAdapter
 
 class NewsSite(Folder):
 	"""XXX to be written"""
@@ -24,3 +28,15 @@
 	__implements__ = (Folder.__implements__, INewsSite)
 
 	
+class NewsSiteView(BrowserView):
+
+	__used_for__ = INewsSite
+	
+	def listNewsItems(self):
+		site = [x for x in self.context.values()]
+		list = filter(lambda x: INewsItem.isImplementedBy(x), site)
+		list = [ (x, getAdapter(x, ICMFDublinCore).EffectiveDate()) for x in list ]
+		list.sort(lambda x,y: cmp(x[1], y[1]))
+		list = [ x[0] for x in list]
+		return list
+