增加用户排名功能

account/migrations/0020_auto_20160424_1241.py

@@ -0,0 +1,24 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.5 on 2016-04-24 04:41
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('account', '0019_user_is_forbidden'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='userprofile',
+            old_name='accepted_number',
+            new_name='accepted_problem_number',
+        ),
+        migrations.RemoveField(
+            model_name='userprofile',
+            name='rank',
+        ),
+    ]

account/migrations/0021_auto_20160424_1243.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.5 on 2016-04-24 04:43
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('account', '0020_auto_20160424_1241'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='userprofile',
+            old_name='submissions_number',
+            new_name='submission_number',
+        ),
+    ]

account/models.py

@@ -66,9 +66,8 @@ class UserProfile(models.Model):
     hduoj_username = models.CharField(max_length=30, blank=True, null=True)
     bestcoder_username = models.CharField(max_length=30, blank=True, null=True)
     codeforces_username = models.CharField(max_length=30, blank=True, null=True)
-    rank = models.IntegerField(default=65535)
-    accepted_number = models.IntegerField(default=0)
-    submissions_number = models.IntegerField(default=0)
+    accepted_problem_number = models.IntegerField(default=0)
+    submission_number = models.IntegerField(default=0)
     # JSON字典用来表示该用户的问题的解决状态 1为ac，2为正在进行
     problems_status = JSONField(default={})
     phone_number = models.CharField(max_length=15, blank=True, null=True)

account/views.py

@@ -5,6 +5,7 @@ import StringIO
 from django import http
 from django.contrib import auth
 from django.shortcuts import render
+from django.core.paginator import Paginator
 from django.db.models import Q
 from django.conf import settings
 from django.http import HttpResponse
@@ -472,3 +473,25 @@ class TwoFactorAuthAPIView(APIView):
                 return error_response(u"验证码错误")
         else:
             return serializer_invalid_response(serializer)
+
+
+def user_rank_page(request, page=1):
+    ranks = UserProfile.objects.filter(submission_number__gt=0).order_by("-accepted_problem_number", "-submission_number")
+    paginator = Paginator(ranks, 20)
+    try:
+        ranks = paginator.page(int(page))
+    except Exception:
+        return error_page(request, u"不存在的页码")
+    previous_page = next_page = None
+    try:
+        previous_page = ranks.previous_page_number()
+    except Exception:
+        pass
+    try:
+        next_page = ranks.next_page_number()
+    except Exception:
+        pass
+    return render(request, "utils/rank.html", {"ranks": ranks, "page": page,
+                                               "previous_page": previous_page,
+                                               "next_page": next_page,
+                                               "start_id": int(page) * 20 - 20,})