initial implementation of atom feeds for contexts and feedback

3 files changed, 95 insertions, 3 deletions

diff --git a/sugar_network_webui/app.py b/sugar_network_webui/app.py
index 16e47f3..6a8f617 100644
--- a/sugar_network_webui/app.py
+++ b/sugar_network_webui/app.py
@@ -51,6 +51,8 @@ app.config['BABEL_DEFAULT_LOCALE'] = 'en'
 app.config['BABEL_DEFAULT_TIMEZONE'] = 'America/Lima'
 app.config['UPLOAD_FOLDER'] = UPLOAD_FOLDER
 
+from feeds import *
+
 from cursors import *
 
 from dialogs import *
@@ -164,6 +166,7 @@ def before_request():
         g.Artifacts = home_mount.Artifacts
         g.Projects = home_mount.Projects
         g.autocomplete_Contexts = home_mount.autocomplete_Contexts
+        g.feed_Contexts = home_mount.feed_Contexts
         g.Questions = home_mount.Questions
         g.Ideas = home_mount.Ideas
         g.Problems = home_mount.Problems
@@ -171,6 +174,7 @@ def before_request():
         g.Comments = home_mount.Comments
         g.Reviews = home_mount.Reviews
         g.Resources = home_mount.Resources
+        g.feed_Resources = home_mount.feed_Resources
     else:
         g.client = network_mount.client
         g.Contexts = network_mount.Contexts
@@ -178,6 +182,7 @@ def before_request():
         g.Artifacts = network_mount.Artifacts
         g.Projects = network_mount.Projects
         g.autocomplete_Contexts = network_mount.autocomplete_Contexts
+        g.feed_Contexts = network_mount.feed_Contexts
         g.Questions = network_mount.Questions
         g.Ideas = network_mount.Ideas
         g.Problems = network_mount.Problems
@@ -185,6 +190,7 @@ def before_request():
         g.Comments = network_mount.Comments
         g.Reviews = network_mount.Reviews
         g.Resources = network_mount.Resources
+        g.feed_Resources = home_mount.feed_Resources
 
 
 def incoming(event):
@@ -722,9 +728,9 @@ def solution_browser(resource_guid=None):
 
 @app.route('/context/view/<context_guid>/<query>')
 @app.route('/context/view/<context_guid>')
-@app.route('/context/questions/<context_guid>')
-@app.route('/context/ideas/<context_guid>')
-@app.route('/context/problems/<context_guid>')
+@app.route('/context/questions/<context_guid>', endpoint='context_question_browser')
+@app.route('/context/ideas/<context_guid>', endpoint='context_idea_browser')
+@app.route('/context/problems/<context_guid>', endpoint='context_problem_browser')
 @app.route('/context/artifacts/<context_guid>')
 @app.route('/context/gallery/<context_guid>')
 @app.route('/context/all/<context_guid>')
diff --git a/sugar_network_webui/cursors.py b/sugar_network_webui/cursors.py
index f129188..9e4bc8b 100644
--- a/sugar_network_webui/cursors.py
+++ b/sugar_network_webui/cursors.py
@@ -29,6 +29,11 @@ class Mount:
                 order_by='-mtime')
             self.autocomplete_Contexts = self.client.Context.cursor(
                 reply=['guid', 'title'], order_by='-mtime')
+
+            self.feed_Contexts = self.client.Context.cursor( page_size=15, 
+                reply=['guid', 'title', 'description', 'author', 'ctime', 'mtime'],
+                order_by='-mtime')
+    
             self.Projects = self.client.Context.cursor(type='project',
                 reply=['guid', 'type', 'title', 'author', 'summary',
                         'description', 'layer', 'mtime'],
@@ -47,6 +52,12 @@ class Mount:
                 layer='clone',
                 reply=['guid', 'title'],
                 order_by='-mtime')
+
+            self.feed_Contexts = self.client.Context.cursor( page_size=15, 
+                layer='clone',
+                reply=['guid', 'title', 'description', 'author', 'ctime', 'mtime'],
+                order_by='-mtime')
+    
             self.Projects = self.client.Context.cursor(type='project',
                 reply=['guid', 'type', 'title', 'author', 'summary',
                         'description', 'layer', 'mtime'],
@@ -78,6 +89,9 @@ class Mount:
         self.Resources = self.client.Feedback.cursor(
             reply=['guid', 'type', 'title', 'content', 'context', 'author',
                     'tags', 'mtime'], order_by='-mtime')
+        self.feed_Resources = self.client.Feedback.cursor(
+            reply=['guid', 'type', 'title', 'content', 'context', 'author',
+                    'tags', 'mtime', 'ctime'], order_by='-mtime')
         self.Artifacts = self.client.Artifact.cursor(
             reply=['guid', 'title', 'description', 'context',
                     'author', 'tags', 'mtime'],
diff --git a/sugar_network_webui/feeds.py b/sugar_network_webui/feeds.py
new file mode 100644
index 0000000..2d71d79
--- /dev/null
+++ b/sugar_network_webui/feeds.py
@@ -0,0 +1,72 @@
+# -*- coding: utf-8 -*-
+# Copyright (C) 2012, Sebastian Silva
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+from flask import g,request,url_for
+from flaskext.babel import gettext as _
+import logging
+from werkzeug.contrib.atom import AtomFeed
+
+import datetime
+from app import app
+
+def timedelta(mtime):
+    return datetime.datetime.fromtimestamp(mtime)
+
+@app.route('/context.atom')
+def context_feed():
+            
+    feed = AtomFeed(_('Recent Contexts'),
+                    feed_url=request.url, url=request.url_root)
+
+    g.feed_Contexts._reset()
+    g.feed_Contexts.offset = -1
+    i = 0
+    for context in g.feed_Contexts:
+        if i==15:
+            break
+        feed.add(context['title'], unicode(context.get('description')),
+                 content_type='text',
+                 author=context['author'],
+                 url=url_for('project_browser', context_guid=context['guid']),
+                 updated=timedelta(context['mtime']),
+                 published=timedelta(context['ctime']))
+        i = i+1
+
+    return feed.get_response()
+
+@app.route('/feedback.atom')
+def feedback_feed():
+            
+    feed = AtomFeed(_('Recent Feedback'),
+                    feed_url=request.url, url=request.url_root)
+
+    g.feed_Resources._reset()
+    g.feed_Resources.offset = -1
+    i = 0
+    for resource in g.feed_Resources:
+        if i==15:
+            break
+        feed.add(resource['title'], unicode(resource.get('content')),
+                 content_type='text',
+                 author=resource['author'],
+                 url=url_for('solution_browser',
+                    resource_guid=resource['guid']),
+                 categories=[{'term':resource['type'].pop()}],
+                 updated=timedelta(resource['mtime']),
+                 published=timedelta(resource['ctime']))
+        i = i+1
+
+    return feed.get_response()