contest and contest_problems api.

add ordering for contest and submission models

contest/migrations/0004_auto_20170717_1324.py

@@ -0,0 +1,19 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.6 on 2017-07-17 13:24
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('contest', '0003_auto_20170217_0820'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='contest',
+            options={'ordering': ('create_time',)},
+        ),
+    ]

contest/models.py

@@ -12,9 +12,9 @@ class ContestType(object):
 
 
 class ContestStatus(object):
-    CONTEST_NOT_START = "Not Started"
-    CONTEST_ENDED = "Ended"
-    CONTEST_UNDERWAY = "Underway"
+    CONTEST_NOT_START = "1"
+    CONTEST_ENDED = "-1"
+    CONTEST_UNDERWAY = "0"
 
 
 class ContestRuleType(object):
@@ -58,6 +58,7 @@ class Contest(models.Model):
 
     class Meta:
         db_table = "contest"
+        ordering = ("create_time",)
 
 
 class ContestRank(models.Model):

contest/serializers.py

@@ -2,6 +2,8 @@ from utils.api import DateTimeTZField, UsernameSerializer, serializers
 
 from .models import Contest, ContestAnnouncement, ContestRuleType
 
+from problem.serializers import ContestProblemSerializer
+
 
 class CreateConetestSeriaizer(serializers.Serializer):
     title = serializers.CharField(max_length=128)
@@ -14,6 +16,17 @@ class CreateConetestSeriaizer(serializers.Serializer):
     real_time_rank = serializers.BooleanField()
 
 
+class EditConetestSeriaizer(serializers.Serializer):
+    id = serializers.IntegerField()
+    title = serializers.CharField(max_length=128)
+    description = serializers.CharField()
+    start_time = serializers.DateTimeField()
+    end_time = serializers.DateTimeField()
+    password = serializers.CharField(allow_blank=True, allow_null=True, max_length=32)
+    visible = serializers.BooleanField()
+    real_time_rank = serializers.BooleanField()
+
+
 class ContestSerializer(serializers.ModelSerializer):
     start_time = DateTimeTZField()
     end_time = DateTimeTZField()
@@ -27,16 +40,6 @@ class ContestSerializer(serializers.ModelSerializer):
         model = Contest
         exclude = ('password', 'visible')
 
-class EditConetestSeriaizer(serializers.Serializer):
-    id = serializers.IntegerField()
-    title = serializers.CharField(max_length=128)
-    description = serializers.CharField()
-    start_time = serializers.DateTimeField()
-    end_time = serializers.DateTimeField()
-    password = serializers.CharField(allow_blank=True, allow_null=True, max_length=32)
-    visible = serializers.BooleanField()
-    real_time_rank = serializers.BooleanField()
-
 
 class ContestAnnouncementSerializer(serializers.ModelSerializer):
     created_by = UsernameSerializer()
@@ -50,3 +53,8 @@ class CreateContestAnnouncementSerializer(serializers.Serializer):
     title = serializers.CharField(max_length=128)
     content = serializers.CharField()
     contest_id = serializers.IntegerField()
+
+
+class ContestPasswordVerifySerializer(serializers.Serializer):
+    contest_id = serializers.IntegerField()
+    password = serializers.CharField(max_length=30, required=True)

contest/urls/oj.py

@@ -1,9 +1,9 @@
 from django.conf.urls import url
 
-from ..views.oj import ContestAnnouncementListAPI, ContestListAPI
+from ..views.oj import ContestAnnouncementListAPI, ContestAPI
 
 urlpatterns = [
-    url(r"^contest/?$", ContestListAPI.as_view(), name="contest_api"),
+    url(r"^contest/?$", ContestAPI.as_view(), name="contest_api"),
     url(r"^contest/announcement/?$", ContestAnnouncementListAPI.as_view(), name="contest_announcement_api"),
 
 ]

contest/views/oj.py

@@ -1,8 +1,9 @@
-from utils.api import APIView
+from utils.api import APIView, validate_serializer
+from account.decorators import login_required
 
 from ..models import ContestAnnouncement, Contest
 from ..serializers import ContestAnnouncementSerializer
-from ..serializers import ContestSerializer
+from ..serializers import ContestSerializer, ContestPasswordVerifySerializer
 
 
 class ContestAnnouncementListAPI(APIView):
@@ -17,18 +18,39 @@ class ContestAnnouncementListAPI(APIView):
         return self.success(ContestAnnouncementSerializer(data, many=True).data)
 
 
-class ContestListAPI(APIView):
+class ContestAPI(APIView):
     def get(self, request):
-        contest_id = request.GET.get("id")
+        contest_id = request.GET.get("contest_id")
         if contest_id:
             try:
                 contest = Contest.objects.get(id=contest_id, visible=True)
                 return self.success(ContestSerializer(contest).data)
             except Contest.DoesNotExist:
-                return self.error("Contest Doesn't exist.")
+                return self.error("Contest doesn't exist.")
 
         contests = Contest.objects.filter(visible=True)
         keyword = request.GET.get("keyword")
         if keyword:
             contests = contests.filter(title__contains=keyword)
         return self.success(self.paginate_data(request, contests, ContestSerializer))
+
+
+class ContestPasswordVerifyAPI(APIView):
+    @validate_serializer(ContestPasswordVerifySerializer)
+    @login_required
+    def get(self, request):
+        data = request.data
+        try:
+            contest = Contest.objects.get(id=data["contest_id"], visible=True, password__isnull=False)
+        except Contest.DoesNotExist:
+            return self.error("Contest %s doesn't exist." % data["contest_id"])
+        if contest.password != data["password"]:
+            return self.error("Password doesn't match.")
+
+        # password verify OK.
+        if "contests" not in request.session:
+            request.session["contests"] = []
+        request.session["contests"].append(int(data["contest_id"]))
+        # https://docs.djangoproject.com/en/dev/topics/http/sessions/#when-sessions-are-saved
+        request.session.modified = True
+        return self.success(True)