new file mode 100644

new file mode 100644
--- /dev/null
+++ b/savane/svnews/models.py
@@ -0,0 +1,80 @@
+# News and comments structure
+# Copyright (C) 2010  Sylvain Beucler
+#
+# This file is part of Savane.
+# 
+# Savane is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+# 
+# Savane 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 Affero General Public License for more details.
+# 
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+from django.db import models
+import django.contrib.auth.models as auth_models
+
+# - news_byte
+class News(models.Model):
+    """
+    One piece of news
+    """
+    IS_APPROVED_CHOICES = (
+        ('0', 'approved for project page'),
+        ('1', 'approved for site frontpage news'),
+        ('2', 'refused for site frontpage news'),
+        ('4', 'removed'),
+        ('5', 'proposed'),
+        )
+    group = models.ForeignKey(auth_models.Group)
+    submitted_by = models.ForeignKey(auth_models.User)
+    is_approved = models.CharField(max_length=1, choices=IS_APPROVED_CHOICES, db_index=True)
+    date = models.DateTimeField(auto_now_add=True, db_index=True)
+    date_last_edit = models.DateTimeField(auto_now=True, db_index=True)
+    summary = models.CharField(max_length=255)
+    details = models.TextField()
+
+class Comment(models.Model):
+    """
+    A comment on the news item
+    """
+    news = models.ForeignKey(News)  # savane_old: uses forum_id through forum_group_list
+    posted_by = models.ForeignKey(auth_models.User, related_name='svnews_comment_set')
+    body = models.CharField(max_length=255)
+    body = models.TextField(blank=True)
+    date = models.DateTimeField(auto_now_add=True, db_index=True)
+    is_followup_to = models.ForeignKey("Comment")
+    thread = models.ForeignKey("Thread")
+    #has_followups = models.BooleanField()
+
+class Notification(models.Model):
+    """
+    Notify this User when comments are posted to this item
+    """
+    news = models.ForeignKey(News)  # savane_old: uses forum_id through forum_group_list
+    user = models.ForeignKey(auth_models.User)
+
+class LastVisit(models.Model):
+    """
+    Mark the last visit date from a user, so that comments posted
+    since then are highlighted
+    """
+    news = models.ForeignKey(News)  # savane_old: uses forum_id through forum_group_list
+    user = models.ForeignKey(auth_models.User)
+    date = models.DateTimeField(auto_now=True)
+
+class Thread(models.Model):
+    """
+    Counter for top-level discussions ("threads")
+
+    Threads are currently used to get all messages in a thread without
+    using expensive recursive querying.
+
+    TODO: there are better SQL solutions based on tree structures
+    """
+    pass

--- a/savane/tracker/models.py
+++ b/savane/tracker/models.py
@@ -626,7 +626,7 @@
         ordering = ('item','date',)
     item = models.ForeignKey('Item')
     date = models.DateTimeField(default=datetime.date.today)
-    posted_by = models.ForeignKey(auth_models.User)
+    posted_by = models.ForeignKey(auth_models.User, related_name='tracker_comment_set')
     message = models.TextField(blank=True, null=True)
     comment_type = models.IntegerField(_("comment type"), blank=True, null=True)
       # Should be:

--- a/settings_default.py
+++ b/settings_default.py
@@ -116,6 +116,7 @@
     'savane.svmain',
     'savane.my',
     'savane.svpeople',
+    'savane.svnews',
     'savane.tracker',
 )