PM-5834 live leaderboard

sql/reports/topcoder/leaderboard-generic.sql

@@ -158,6 +158,17 @@ unique_member_submissions AS (
     ms.submitted_date DESC NULLS LAST,
     ms.submission_id DESC
 ),
+member_submission_counts AS (
+  SELECT
+    cc.challenge_id,
+    s."memberId" AS user_id,
+    COUNT(*) AS submission_count
+  FROM challenge_context AS cc
+  JOIN reviews."submission" AS s
+    ON s."challengeId" = cc.challenge_id
+   AND s."memberId" IS NOT NULL
+  GROUP BY cc.challenge_id, s."memberId"
+),
 challenge_prizes AS (
   SELECT
     cps."challengeId" AS challenge_id,
@@ -215,6 +226,7 @@ SELECT
   ums.ratingColor AS "ratingColor",
   ums.score AS score,
   ums.submitted_date AS submitted_date,
+  COALESCE(msc.submission_count, 1) AS "submissionCount",
   ROW_NUMBER() OVER (
     PARTITION BY ums.challenge_id
     ORDER BY ums.score DESC NULLS LAST, ums.submitted_date ASC NULLS LAST, ums.user_id ASC
@@ -228,6 +240,9 @@ LEFT JOIN lookups."Country" AS comp_code
   ON UPPER(comp_code."countryCode") = UPPER(ums.country_code)
 LEFT JOIN lookups."Country" AS comp_id
   ON UPPER(comp_id.id) = UPPER(ums.country_code)
+LEFT JOIN member_submission_counts AS msc
+  ON msc.challenge_id = ums.challenge_id
+ AND msc.user_id = ums.user_id
 JOIN challenge_summary AS cs
   ON cs.challenge_id = ums.challenge_id
 ORDER BY ums.challenge_id, ums.score DESC NULLS LAST, ums.submitted_date ASC NULLS LAST, ums.user_id ASC;

src/reports/topcoder/topcoder-reports.service.spec.ts

@@ -197,6 +197,7 @@ describe("TopcoderReportsService", () => {
       ratingColor: "#000000",
       score: 123,
       submittedDate: "2026-08-13T00:00:00Z",
+      submissionCount: 1,
       placement: 1,
       challengeStatus: "ACTIVE",
       isAiOnlyChallenge: true,
@@ -223,6 +224,7 @@ describe("TopcoderReportsService", () => {
       score: 123,
       isProvisional: true,
     });
+    expect(resultWithRealtime.placementData[0].submissionCount).toBe(1);
 
     db.query.mockResolvedValueOnce([genericRow]);
 

src/reports/topcoder/topcoder-reports.service.ts

@@ -117,9 +117,11 @@ type LeaderboardGenericRow = {
   ratingColor: string | null;
   score: number;
   submittedDate: string;
+  submissionCount: string | number | null;
   placement: number;
   challengeStatus: string;
   isAiOnlyChallenge: boolean;
+  userSubmissionsCount: number;
 };
 
 type LeaderboardMmRow = {
@@ -1039,6 +1041,7 @@ export class TopcoderReportsService implements OnModuleDestroy {
         wins: Record<string, number>;
         points: number;
         prizes: number;
+        submissionCount: number;
         photoURL: string | null;
         rating: number;
         ratingColor: string | null;
@@ -1068,12 +1071,20 @@ export class TopcoderReportsService implements OnModuleDestroy {
           wins: {},
           points: 0,
           prizes: 0,
+          submissionCount: 0,
           rating: row.rating as number,
           ratingColor: row.ratingColor,
           challengeScores: {},
         };
       }
 
+      const memberSubmissions = Number(row.submissionCount ?? 0);
+      entriesByUser[row.userId].submissionCount += Number.isFinite(
+        memberSubmissions,
+      )
+        ? memberSubmissions
+        : 0;
+
       const log =
         Math.log10(Math.max(1, row.prizePool)) +
         row.durationDays * (filters.pointsPerDay ?? 0);
@@ -1111,6 +1122,7 @@ export class TopcoderReportsService implements OnModuleDestroy {
         points: entry.points,
         wins: entry.wins,
         challengeScores: entry.challengeScores,
+        submissionCount: entry.submissionCount,
         rating: entry.rating,
         ratingColor: entry.ratingColor,
         prizes: useCmsPlacementPrizes