more QOL improvements

src/models/index.js

@@ -180,21 +180,75 @@ const Hunts = {
     return new Date(hunt.expiry_date) < new Date();
   },
 
-  getLeaderboard(huntId) {
-    return db.prepare(`
+  getLeaderboard(huntId, limit = null, offset = 0) {
+    let sql = `
       SELECT u.id, u.username, SUM(s.points_awarded) as total_points, COUNT(s.id) as scans
       FROM scans s
       JOIN users u ON s.user_id = u.id
       JOIN packages p ON s.package_id = p.id
       WHERE p.hunt_id = ? AND s.points_awarded > 0
       GROUP BY u.id
-      ORDER BY total_points DESC
-    `).all(huntId);
+      ORDER BY total_points DESC`;
+    if (limit) {
+      sql += ` LIMIT ${parseInt(limit)} OFFSET ${parseInt(offset)}`;
+    }
+    return db.prepare(sql).all(huntId);
+  },
+
+  getLeaderboardCount(huntId) {
+    return db.prepare(`
+      SELECT COUNT(DISTINCT s.user_id) as count
+      FROM scans s
+      JOIN packages p ON s.package_id = p.id
+      WHERE p.hunt_id = ? AND s.points_awarded > 0
+    `).get(huntId).count;
   },
 
   shortNameExists(shortName) {
     const row = db.prepare('SELECT id FROM hunts WHERE short_name = ? COLLATE NOCASE').get(shortName);
     return !!row;
+  },
+
+  update(id, name, description, expiryDate) {
+    db.prepare('UPDATE hunts SET name = ?, description = ?, expiry_date = ? WHERE id = ?')
+      .run(name, description, expiryDate || null, id);
+  },
+
+  delete(id) {
+    const doDelete = db.transaction(() => {
+      // Delete scans for all packages in this hunt
+      db.prepare('DELETE FROM scans WHERE package_id IN (SELECT id FROM packages WHERE hunt_id = ?)').run(id);
+      // Delete packages
+      db.prepare('DELETE FROM packages WHERE hunt_id = ?').run(id);
+      // Delete hunt
+      db.prepare('DELETE FROM hunts WHERE id = ?').run(id);
+    });
+    doDelete();
+  },
+
+  getStats(huntId) {
+    const totalScans = db.prepare('SELECT COUNT(*) as count FROM scans s JOIN packages p ON s.package_id = p.id WHERE p.hunt_id = ? AND s.points_awarded > 0').get(huntId).count;
+    const uniquePlayers = db.prepare('SELECT COUNT(DISTINCT s.user_id) as count FROM scans s JOIN packages p ON s.package_id = p.id WHERE p.hunt_id = ? AND s.points_awarded > 0').get(huntId).count;
+    const discoveredCount = db.prepare('SELECT COUNT(*) as count FROM packages WHERE hunt_id = ? AND scan_count > 0').get(huntId).count;
+    const totalPackages = db.prepare('SELECT package_count FROM hunts WHERE id = ?').get(huntId).package_count;
+    const totalPoints = db.prepare('SELECT COALESCE(SUM(s.points_awarded), 0) as total FROM scans s JOIN packages p ON s.package_id = p.id WHERE p.hunt_id = ?').get(huntId).total;
+    const topFinders = db.prepare(`
+      SELECT u.username, SUM(s.points_awarded) as points, COUNT(s.id) as finds
+      FROM scans s
+      JOIN users u ON s.user_id = u.id
+      JOIN packages p ON s.package_id = p.id
+      WHERE p.hunt_id = ? AND s.points_awarded > 0
+      GROUP BY u.id ORDER BY points DESC LIMIT 5
+    `).all(huntId);
+    const recentScans = db.prepare(`
+      SELECT s.scanned_at, s.points_awarded, u.username, p.card_number
+      FROM scans s
+      JOIN users u ON s.user_id = u.id
+      JOIN packages p ON s.package_id = p.id
+      WHERE p.hunt_id = ? AND s.points_awarded > 0
+      ORDER BY s.scanned_at DESC LIMIT 10
+    `).all(huntId);
+    return { totalScans, uniquePlayers, discoveredCount, totalPackages, totalPoints, topFinders, recentScans, discoveryRate: totalPackages > 0 ? Math.round((discoveredCount / totalPackages) * 100) : 0 };
   }
 };
 
@@ -320,15 +374,22 @@ const Scans = {
     return doScan();
   },
 
-  getGlobalLeaderboard() {
-    return db.prepare(`
+  getGlobalLeaderboard(limit = null, offset = 0) {
+    let sql = `
       SELECT u.id, u.username, SUM(s.points_awarded) as total_points, COUNT(s.id) as scans
       FROM scans s
       JOIN users u ON s.user_id = u.id
       WHERE s.points_awarded > 0
       GROUP BY u.id
-      ORDER BY total_points DESC
-    `).all();
+      ORDER BY total_points DESC`;
+    if (limit) {
+      sql += ` LIMIT ${parseInt(limit)} OFFSET ${parseInt(offset)}`;
+    }
+    return db.prepare(sql).all();
+  },
+
+  getGlobalLeaderboardCount() {
+    return db.prepare('SELECT COUNT(DISTINCT user_id) as count FROM scans WHERE points_awarded > 0').get().count;
   },
 
   getRecentActivity(limit = 5) {