From cd1d8d6aeed2bbb04467074d20e89fd1819994e5 Mon Sep 17 00:00:00 2001
From: Eevee <git@veekun.com>
Date: Sun, 15 Aug 2010 00:30:50 -0700
Subject: [PATCH] Draw a line marking new stuff.  #332

---
 splinext/frontpage/controllers/frontpage.py        | 31 ++++++++++++++++++++++
 splinext/frontpage/templates/css/frontpage.mako    |  2 ++
 .../frontpage/templates/front_page/updates.mako    | 10 +++++--
 3 files changed, 41 insertions(+), 2 deletions(-)

diff --git a/splinext/frontpage/controllers/frontpage.py b/splinext/frontpage/controllers/frontpage.py
index 0990e81..a77edb2 100644
--- a/splinext/frontpage/controllers/frontpage.py
+++ b/splinext/frontpage/controllers/frontpage.py
@@ -1,3 +1,4 @@
+import datetime
 import logging
 
 from pylons import config, request, response, session, tmpl_context as c, url
@@ -7,6 +8,7 @@ from sqlalchemy.orm.exc import NoResultFound
 
 from spline.lib import helpers as h
 from spline.lib.base import BaseController, render
+from spline.model import meta
 from splinext.frontpage.sources import max_age_to_datetime
 
 log = logging.getLogger(__name__)
@@ -66,6 +68,35 @@ class FrontPageController(BaseController):
             if updates and len(updates) == global_limit:
                 global_max_age = updates[-1].time
 
+        # Find the oldest unseen item, to draw a divider after it.
+        # If this stays as None, the divider goes at the top
+        c.last_seen_item = None
+        # Could have a timestamp in the stash if this is a user, or in a cookie
+        # if this session has ever been logged out...
+        times = []
+        for source in (c.user.stash, request.cookies):
+            try:
+                times.append( int(source['frontpage-last-seen-time']) )
+            except (KeyError, ValueError):
+                pass
+        last_seen_time = datetime.datetime.fromtimestamp(max(times))
+
+        if last_seen_time:
+            for update in updates:
+                if update.time > last_seen_time:
+                    c.last_seen_item = update
+                else:
+                    break
+
+        # Save ~now~ as the last-seen time
+        now = datetime.datetime.now().strftime('%s')
+        if c.user:
+            c.user.stash['frontpage-last-seen-time'] = now
+            meta.Session.add(c.user)
+            meta.Session.commit()
+        else:
+            response.set_cookie('frontpage-last-seen-time', now)
+
         # Done!  Feed to template
         c.updates = updates
 
diff --git a/splinext/frontpage/templates/css/frontpage.mako b/splinext/frontpage/templates/css/frontpage.mako
index 8f4718f..2374f72 100644
--- a/splinext/frontpage/templates/css/frontpage.mako
+++ b/splinext/frontpage/templates/css/frontpage.mako
@@ -1,3 +1,5 @@
+.frontpage-new-stuff { height: 16px; margin: 0.25em 0; padding: 0; border: none; background: url(${h.static_uri('spline', '/icons/new-text.png')}) center center repeat-x; }
+
 .frontpage-update { position: relative; overflow: auto; margin: 1em 0; background: #f4f4f4; -moz-border-radius: 1em; -webkit-border-radius: 1em; }
 .frontpage-update:nth-child(2n) { background: #f0f0f0; }
 .frontpage-update .header { white-space: nowrap; padding: 0.5em 1em; border: 1px solid #b4c7e6; background: url(${h.static_uri('local', 'images/layout/th-background.png')}) left bottom repeat-x; -moz-border-radius-topleft: 1em; -moz-border-radius-topright: 1em; -webkit-border-top-left-radius: 0.5em; -webkit-border-top-right-radius: 0.5em; }
diff --git a/splinext/frontpage/templates/front_page/updates.mako b/splinext/frontpage/templates/front_page/updates.mako
index 9a6f584..257f0dd 100644
--- a/splinext/frontpage/templates/front_page/updates.mako
+++ b/splinext/frontpage/templates/front_page/updates.mako
@@ -1,8 +1,14 @@
+% if c.updates and not c.last_seen_item:
+    <hr class="frontpage-new-stuff">
+% endif
 % for update in c.updates:
-<%include file="${update.source.template}" args="update=update" />
+    <%include file="${update.source.template}" args="update=update" />
+    % if update == c.last_seen_item:
+    <hr class="frontpage-new-stuff">
+    % endif
 % endfor
 % if not c.updates:
-<p>No updates.</p>
+    <p>No updates.</p>
 % endif
 
 <p>Sources:</p>
-- 
2.7.4