added topic listing

cao_blogr/services/blog_record.py

@@ -3,16 +3,18 @@ import datetime #<- will be used to set default dates on models
 
 from sqlalchemy import or_
 from paginate_sqlalchemy import SqlalchemyOrmPage #<- provides pagination
-from ..models.blog_record import BlogRecord
+from ..models.blog_record import BlogRecord, Topics, Tags
 from markdown2 import Markdown
 
 
 class BlogRecordService(object):
 
     @classmethod
-    def all(cls, request):
-        query = request.dbsession.query(BlogRecord)
-        return query.order_by(sa.desc(BlogRecord.created))
+    def by_topic(cls, request, topic):
+        query = request.dbsession.query(BlogRecord).join(Tags, Tags.topic == BlogRecord.topic, Tags.tag == BlogRecord.tag)
+        query = query.filter(BlogRecord.topic == topic)
+        query = query.order_by(BlogRecord.tag, BlogRecord.title).all()
+        return query
 
     @classmethod
     def by_criteria(cls, request, criteria):
@@ -27,18 +29,18 @@ class BlogRecordService(object):
         return query.get(_id)
 
     @classmethod
-    def get_paginator(cls, request, page=1):
+    def get_last_five(cls, request):
+        # gest the last 5 items modified
         query = request.dbsession.query(BlogRecord)
-        query = query.order_by(sa.desc(BlogRecord.created))
-        query_params = request.GET.mixed()
+        query = query.order_by(sa.desc(BlogRecord.edited)).limit(5).all()
+        return query
 
-        def url_maker(link_page):
-            # replace page param with values generated by paginator
-            query_params['page'] = link_page
-            return request.current_route_url(_query=query_params)
-
-        return SqlalchemyOrmPage(query, page, items_per_page=5,
-                                 url_maker=url_maker)
+    @classmethod
+    def get_tags_byTopic(cls, request, topic):
+        # gest the last 5 items modified
+        query = request.dbsession.query(Tags).filter(Tags.topic == topic)
+        query = query.order_by(Tags.tag).all()
+        return query
 
     @classmethod
     def proc_after_create(cls, request, _id):