Test

scripts/setPlayerUsernames.js

@@ -0,0 +1,24 @@
+const { PrismaClient } = require('../generated/prisma');
+
+async function main() {
+  const prisma = new PrismaClient();
+  const players = await prisma.player.findMany();
+  const usedUsernames = new Set();
+
+  for (const player of players) {
+    let base = player.email.split('@')[0];
+    let username = base;
+    let i = 1;
+    // Ensure uniqueness
+    while (usedUsernames.has(username) || await prisma.player.findUnique({ where: { username } })) {
+      username = `${base}${i}`;
+      i++;
+    }
+    usedUsernames.add(username);
+    await prisma.player.update({ where: { id: player.id }, data: { username } });
+    console.log(`Set username for ${player.email}: ${username}`);
+  }
+  await prisma.$disconnect();
+}
+
+main().catch(e => { console.error(e); process.exit(1); });