add leaderboard

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):