add leaderboard

account/api.py

@@ -6,6 +6,7 @@ from ninja.pagination import paginate
 from ninja.errors import HttpError
 from .schemas import (
     BatchUsersIn,
+    LeaderboardEntry,
     UserListSchema,
     UserRegistrationSchema,
     UserLoginSchema,
@@ -119,3 +120,18 @@ def toggle_user_is_active(request, id: int):
         }
     except User.DoesNotExist:
         raise HttpError(404, "查无此人")
+
+
+@router.get("/leaderboard", response=List[LeaderboardEntry])
+def leaderboard(request):
+    from .models import Profile
+    profiles = (
+        Profile.objects
+        .select_related("user")
+        .filter(total_score__gt=0)
+        .order_by("-total_score")
+    )
+    return [
+        LeaderboardEntry(rank=i + 1, username=p.user.username, total_score=p.total_score)
+        for i, p in enumerate(profiles)
+    ]

account/migrations/0002_alter_profile_total_score.py

@@ -0,0 +1,18 @@
+# Generated by Django 6.0.1 on 2026-03-09 11:55
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('account', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='profile',
+            name='total_score',
+            field=models.FloatField(default=0.0),
+        ),
+    ]

account/models.py

@@ -47,14 +47,23 @@ class User(AbstractUser):
 
 class Profile(models.Model):
     user = models.OneToOneField(User, on_delete=models.CASCADE)
-    total_score = models.IntegerField(default=0)
+    total_score = models.FloatField(default=0.0)
 
     def __str__(self):
         return self.user.username
 
-    def update_total_score(self, score: int):
-        self.total_score = self.total_score + score
-        self.save()
+    def recalculate_total_score(self):
+        from django.db.models import Max, Sum
+        from submission.models import Submission
+        total = (
+            Submission.objects
+            .filter(user=self.user, task__task_type="challenge", score__gt=0)
+            .values("task_id")
+            .annotate(best=Max("score"))
+            .aggregate(total=Sum("best"))["total"]
+        ) or 0.0
+        self.total_score = total
+        self.save(update_fields=["total_score"])
 
 
 @receiver(post_save, sender=User)

account/schemas.py

@@ -46,3 +46,9 @@ class UserLoginSchema(Schema):
 class BatchUsersIn(Schema):
     names: List[str]
     classname: str
+
+
+class LeaderboardEntry(Schema):
+    rank: int
+    username: str
+    total_score: float

submission/api.py

@@ -10,6 +10,7 @@ from django.db.models import OuterRef, Subquery, IntegerField
 
 from .schemas import (
     FlagIn,
+    MyScoreOut,
     SubmissionFilter,
     SubmissionIn,
     SubmissionOut,
@@ -81,6 +82,28 @@ def list_submissions(request, filters: SubmissionFilter = Query(...)):
     return submissions
 
 
+@router.get("/my-scores", response=List[MyScoreOut])
+@login_required
+def my_scores(request):
+    seen = {}
+    for s in Submission.objects.filter(
+        user=request.user, task__task_type="challenge"
+    ).order_by("-score").select_related("task"):
+        if s.task_id not in seen:
+            seen[s.task_id] = s
+    return [
+        MyScoreOut(
+            task_id=s.task_id,
+            task_display=s.task.display,
+            task_title=s.task.title,
+            score=s.score,
+            created=s.created.isoformat(),
+        )
+        for s in seen.values()
+    ]
+
+
+
 @router.get("/{submission_id}", response=SubmissionOut)
 @login_required
 def get_submission(request, submission_id: UUID):

submission/models.py

@@ -136,3 +136,4 @@ def update_submission_score_on_save(sender, instance, **kwargs):
     当Rating保存时，更新对应的Submission的平均分
     """
     instance.submission.update_score()
+    instance.submission.user.profile.recalculate_total_score()

submission/schemas.py

@@ -105,3 +105,11 @@ class SubmissionFilter(Schema):
 
 class FlagIn(Schema):
     flag: Optional[Literal["red", "blue", "green", "yellow"]] = None
+
+
+class MyScoreOut(Schema):
+    task_id: int
+    task_display: int
+    task_title: str
+    score: float
+    created: str

task/migrations/0006_challenge_pass_score.py

@@ -0,0 +1,18 @@
+# Generated by Django 6.0.1 on 2026-03-09 11:47
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('task', '0005_alter_task_options_alter_task_display_and_more'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='challenge',
+            name='pass_score',
+            field=models.FloatField(blank=True, null=True, verbose_name='通过分数线'),
+        ),
+    ]

task/models.py

@@ -40,6 +40,7 @@ class Tutorial(Task):
 
 class Challenge(Task):
     score = models.IntegerField(default=0)
+    pass_score = models.FloatField(null=True, blank=True, verbose_name="通过分数线")
 
     def __str__(self):
         return self.title