From 01b5662db16b4be0343b0275eda1e8d7167a834d Mon Sep 17 00:00:00 2001
From: Wende Tan <twd2@163.com>
Date: Sun, 23 Jul 2017 01:15:07 +0800
Subject: [PATCH] record pagination

---
 vj4/handler/record.py             | 16 ++++++++++++----
 vj4/ui/templates/record_main.html |  7 +++++++
 2 files changed, 19 insertions(+), 4 deletions(-)

diff --git a/vj4/handler/record.py b/vj4/handler/record.py
index bfae4917d..d1f210f3e 100644
--- a/vj4/handler/record.py
+++ b/vj4/handler/record.py
@@ -53,10 +53,16 @@ async def get_filter_query(self, uid_or_name, pid, tid):
 class RecordMainHandler(base.Handler, RecordMixin):
   @base.get_argument
   @base.sanitize
-  async def get(self, *, uid_or_name: str='', pid: str='', tid: str=''):
+  async def get(self, *, start: str='', uid_or_name: str='', pid: str='', tid: str=''):
+    if not self.has_priv(builtin.PRIV_VIEW_JUDGE_STATISTICS):
+      start = ''
+    if start:
+      start = objectid.ObjectId(start)
+    else:
+      start = None
     query = await self.get_filter_query(uid_or_name, pid, tid)
     # TODO(iceboy): projection, pagination.
-    rdocs = await record.get_all_multi(**query,
+    rdocs = await record.get_all_multi(**query, end_id=start,
       get_hidden=self.has_priv(builtin.PRIV_VIEW_HIDDEN_RECORD)).sort([('_id', -1)]).limit(50).to_list()
     # TODO(iceboy): projection.
     udict, pdict = await asyncio.gather(
@@ -78,10 +84,12 @@ async def get(self, *, uid_or_name: str='', pid: str='', tid: str=''):
           record.get_count())
       statistics = {'day': day_count, 'week': week_count, 'month': month_count,
                     'year': year_count, 'total': rcount}
+    query_string = urllib.parse.urlencode(
+      [('uid_or_name', uid_or_name), ('pid', pid), ('tid', tid)])
     self.render('record_main.html', rdocs=rdocs, udict=udict, pdict=pdict, statistics=statistics,
                 filter_uid_or_name=uid_or_name, filter_pid=pid, filter_tid=tid,
-                socket_url='/records-conn?' + urllib.parse.urlencode(
-                    [('uid_or_name', uid_or_name), ('pid', pid), ('tid', tid)]))
+                socket_url='/records-conn?' + query_string,
+                query_string=query_string)
 
 
 @app.connection_route('/records-conn', 'record_main-conn')
diff --git a/vj4/ui/templates/record_main.html b/vj4/ui/templates/record_main.html
index 0d541ebe1..77f83efe9 100644
--- a/vj4/ui/templates/record_main.html
+++ b/vj4/ui/templates/record_main.html
@@ -81,6 +81,13 @@ <h1 class="section__title">{{ _('Filter') }}</h1>
           {% endfor %}
           </tbody>
         </table>
+        {% if handler.has_priv(vj4.model.builtin.PRIV_VIEW_JUDGE_STATISTICS) %}
+        <ul class="pager">
+          <li>
+            <a class="pager__item next link" href="?start={{ rdocs[-1]['_id'] }}&{{ query_string }}">{{ _('pager_next') }}</a>
+          </li>
+        </ul>
+        {% endif %}
       {% endif %}
       </div>
     </div>