added showing blogs by tag

cao_blogr/services/blog_record.py

@@ -12,18 +12,26 @@ class BlogRecordService(object):
     def by_criteria(cls, request, criteria):
         search = "%{}%".format(criteria)
         query = request.dbsession.query(BlogRecord)
+        query = query.filter(or_(BlogRecord.title.like(search), BlogRecord.body.like(search)))
         if request.authenticated_userid == None:
             # if user is anonym, display only published posts
             query = query.filter(BlogRecord.status == 'publié')
-        query = query.filter(or_(BlogRecord.title.like(search), 
-                                BlogRecord.body.like(search))).all()
-        return query
+        return query.all()
 
     @classmethod
     def by_id(cls, request, _id):
         query = request.dbsession.query(BlogRecord)
         return query.get(_id)
 
+    @classmethod
+    def by_tag(cls, request, tag):
+        query = request.dbsession.query(BlogRecord)
+        query = query.filter(BlogRecord.tag == tag)
+        if request.authenticated_userid == None:
+            # if user is anonym, display only published posts
+            query = query.filter(BlogRecord.status == 'publié')
+        return query.order_by(sa.desc(BlogRecord.created)).all()
+
     @classmethod
     def get_last_created(cls, request):
         # gest the 10 last created posts
@@ -31,7 +39,7 @@ class BlogRecordService(object):
         if request.authenticated_userid == None:
             # if user is anonym, display only published posts
             query = query.filter(BlogRecord.status == 'publié')
-        query = query.order_by(sa.desc(BlogRecord.created)).limit(10).all()
+        query = query.order_by(sa.desc(BlogRecord.created)).limit(15).all()
         return query
 
     @classmethod