leaderboard and ranked systems

2026-07-11 11:13:28 -04:00
commit 02ac5f9593
44 changed files with 12318 additions and 0 deletions
@@ -0,0 +1,26 @@
+-- Drop stale table (old schema: subject, bestScore, rank — missing elo, bestTime)
+DROP TABLE IF EXISTS "LeaderboardEntry";
+
+-- Drop orphaned table from old migration
+DROP TABLE IF EXISTS "LeaderboardScore";
+
+-- Recreate with correct schema
+CREATE TABLE "LeaderboardEntry" (
+    "id" TEXT NOT NULL,
+    "userId" TEXT NOT NULL,
+    "grade" "Grade" NOT NULL,
+    "elo" INTEGER NOT NULL DEFAULT 1000,
+    "bestTime" INTEGER,
+    "gamesPlayed" INTEGER NOT NULL DEFAULT 0,
+    "totalCorrect" INTEGER NOT NULL DEFAULT 0,
+    "updatedAt" TIMESTAMP(3) NOT NULL DEFAULT NOW(),
+
+    CONSTRAINT "LeaderboardEntry_pkey" PRIMARY KEY ("id")
+);
+
+-- Unique per user+grade (no subject)
+CREATE UNIQUE INDEX "LeaderboardEntry_userId_grade_key" ON "LeaderboardEntry"("userId", "grade");
+
+-- Foreign key
+ALTER TABLE "LeaderboardEntry" ADD CONSTRAINT "LeaderboardEntry_userId_fkey"
+    FOREIGN KEY ("userId") REFERENCES "User"("id") ON DELETE RESTRICT ON UPDATE CASCADE;