added showing blogs by tag

cao_blogr/views/blog.py

@@ -92,12 +92,32 @@ def blog_edit(request):
         'blog_id': blog_id,
         'entry': entry,        }
 
+@view_config(route_name='blog_bytag', renderer='cao_blogr:templates/blog_bytag.jinja2')
+def blog_bytag(request):
+    # get tag parameters from request
+    tag = request.matchdict['tag'] 
+    retour = request.matchdict['retour'] 
+    url_retour = request.route_url(retour)
 
-@view_config(route_name='blog_search', 
-            renderer='cao_blogr:templates/blog_search.jinja2')
+    # get the posts by tag
+    items = BlogRecordService.by_tag(request, tag)
+    nb_items = len(items)
+
+    return {
+        'page_title': "Billets avec tag : " + tag,
+        'items': items,
+        'nb_items': nb_items,
+        'url_retour': url_retour,
+        }
+
+
+@view_config(route_name='blog_search', renderer='cao_blogr:templates/blog_search.jinja2')
 def blog_search(request):
 
     criteria = ''
+    # get the list of tags 
+    tags = BlogRecordService.get_tags(request)
+
     form = BlogSearchForm(request.POST)
     items = []
     if 'form.submitted' in request.params and form.validate():
@@ -110,12 +130,13 @@ def blog_search(request):
         'form': form,
         'items': items,
         'criteria': criteria,
+        'tags': tags,
     }
 
 @view_config(route_name='tags', renderer='cao_blogr:templates/tags.jinja2', permission='view')
 def tags(request):
 
-    # get the list of tags of this topic
+    # get the list of tags 
     tags = BlogRecordService.get_tags(request)
 
     return {