移除user time_zone, 统一使用submission_number和accepted_number字段

problem/migrations/0006_auto_20170823_0918.py

@@ -0,0 +1,35 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.6 on 2017-08-23 09:18
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('problem', '0005_auto_20170815_1258'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='contestproblem',
+            old_name='total_accepted_number',
+            new_name='accepted_number',
+        ),
+        migrations.RenameField(
+            model_name='contestproblem',
+            old_name='total_submit_number',
+            new_name='submission_number',
+        ),
+        migrations.RenameField(
+            model_name='problem',
+            old_name='total_accepted_number',
+            new_name='accepted_number',
+        ),
+        migrations.RenameField(
+            model_name='problem',
+            old_name='total_submit_number',
+            new_name='submission_number',
+        ),
+    ]

problem/models.py

@@ -55,8 +55,8 @@ class AbstractProblem(models.Model):
     difficulty = models.CharField(max_length=32)
     tags = models.ManyToManyField(ProblemTag)
     source = models.CharField(max_length=200, blank=True, null=True)
-    total_submit_number = models.BigIntegerField(default=0)
-    total_accepted_number = models.BigIntegerField(default=0)
+    submission_number = models.BigIntegerField(default=0)
+    accepted_number = models.BigIntegerField(default=0)
     # {0: 0, 1: 0, 2: 0, 3: 0  ...}
     # the first number means JudgeStatus, the second number present count
     statistic_info = JSONField(default={})
@@ -66,12 +66,12 @@ class AbstractProblem(models.Model):
         abstract = True
 
     def add_submission_number(self):
-        self.total_submit_number = models.F("total_submit_number") + 1
-        self.save(update_fields=["total_submit_number"])
+        self.submission_number = models.F("submission_number") + 1
+        self.save(update_fields=["submission_number"])
 
     def add_ac_number(self):
-        self.total_accepted_number = models.F("total_accepted_number") + 1
-        self.save(update_fields=["total_accepted_number"])
+        self.accepted_number = models.F("accepted_number") + 1
+        self.save(update_fields=["accepted_number"])
 
 
 class Problem(AbstractProblem):