add end_time

problemset/migrations/0007_problemset_end_time.py

@@ -0,0 +1,18 @@
+# Generated by Django 6.0 on 2026-03-16 15:32
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('problemset', '0006_remove_is_displayed_field'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='problemset',
+            name='end_time',
+            field=models.DateTimeField(blank=True, null=True, verbose_name='截止时间'),
+        ),
+    ]

problemset/models.py

@@ -26,6 +26,8 @@ class ProblemSet(models.Model):
     status = models.TextField(
         default="draft", verbose_name="状态"
     )  # active, archived, draft
+    # 截止时间（到期后自动解除防作弊隐藏）
+    end_time = models.DateTimeField(null=True, blank=True, verbose_name="截止时间")
 
     class Meta:
         db_table = "problemset"

problemset/serializers.py

@@ -92,6 +92,7 @@ class ProblemSetListSerializer(serializers.ModelSerializer):
             "create_time",
             "difficulty",
             "status",
+            "end_time",
             "problems_count",
             "user_progress",
             "badges",
@@ -148,6 +149,7 @@ class CreateProblemSetSerializer(serializers.Serializer):
     description = serializers.CharField()
     difficulty = serializers.CharField(default="Easy")
     status = serializers.CharField(default="active")
+    end_time = serializers.DateTimeField(required=False)
 
 
 class EditProblemSetSerializer(serializers.Serializer):
@@ -159,6 +161,7 @@ class EditProblemSetSerializer(serializers.Serializer):
     difficulty = serializers.CharField(required=False)
     status = serializers.CharField(required=False)
     visible = serializers.BooleanField(required=False)
+    end_time = serializers.DateTimeField(required=False, allow_null=True)
 
 
 class ProblemSetProblemSerializer(serializers.ModelSerializer):