performance improvments

apps/admin/src/app/api/admin/analytics/route.ts

@@ -0,0 +1,142 @@
+import { NextRequest, NextResponse } from "next/server";
+import { auth } from "@clerk/nextjs/server";
+import { getDatabase } from "@/lib/database";
+import { ensureUserSynced } from "@/lib/sync-user";
+import { successResponse } from "@/lib/api/responses";
+import { db as rawDb, sql } from "@fitai/database";
+
+interface UserGrowthPoint {
+  label: string;
+  value: number;
+}
+
+interface MembershipDistributionPoint {
+  label: string;
+  value: number;
+  color: string;
+}
+
+interface RevenuePoint {
+  label: string;
+  value: number;
+  color: string;
+}
+
+interface AnalyticsData {
+  userGrowth: UserGrowthPoint[];
+  membershipDistribution: MembershipDistributionPoint[];
+  revenue: RevenuePoint[];
+}
+
+export async function GET(req: NextRequest) {
+  try {
+    const { userId } = await auth();
+    if (!userId) {
+      return NextResponse.json({ error: "Unauthorized" }, { status: 401 });
+    }
+
+    const database = await getDatabase();
+    const user = await ensureUserSynced(userId, database);
+
+    if (!user || (user.role !== "admin" && user.role !== "superAdmin")) {
+      return NextResponse.json({ error: "Forbidden" }, { status: 403 });
+    }
+
+    const url = new URL(req.url);
+    const months = parseInt(url.searchParams.get("months") || "6");
+
+    const allUsers = await database.getAllUsers();
+    const allClients = await database.getAllClients();
+
+    const paymentsRaw = await rawDb.all(
+      sql`SELECT * FROM payments WHERE status = 'completed' AND paid_at IS NOT NULL`,
+    );
+    const payments: any[] = paymentsRaw || [];
+
+    const now = new Date();
+    const userGrowth: UserGrowthPoint[] = [];
+
+    for (let i = months - 1; i >= 0; i--) {
+      const date = new Date(now.getFullYear(), now.getMonth() - i, 1);
+      const monthLabel = date.toLocaleDateString("en-US", { month: "short" });
+
+      const usersCreatedByMonth = allUsers.filter((u: any) => {
+        const createdAt = new Date(u.createdAt);
+        return (
+          createdAt.getFullYear() === date.getFullYear() &&
+          createdAt.getMonth() === date.getMonth()
+        );
+      });
+
+      userGrowth.push({
+        label: monthLabel,
+        value: usersCreatedByMonth.length,
+      });
+    }
+
+    let runningTotal = 0;
+    for (const point of userGrowth) {
+      runningTotal += point.value;
+      point.value = runningTotal;
+    }
+
+    const membershipCounts: Record<string, number> = {
+      basic: 0,
+      premium: 0,
+      vip: 0,
+    };
+
+    for (const client of allClients) {
+      const membershipType = (client as any).membershipType || "basic";
+      if (membershipCounts[membershipType] !== undefined) {
+        membershipCounts[membershipType]++;
+      }
+    }
+
+    const membershipDistribution: MembershipDistributionPoint[] = [
+      { label: "Basic", value: membershipCounts.basic, color: "#6b7280" },
+      { label: "Premium", value: membershipCounts.premium, color: "#3b82f6" },
+      { label: "VIP", value: membershipCounts.vip, color: "#f59e0b" },
+    ];
+
+    const revenue: RevenuePoint[] = [];
+
+    for (let i = months - 1; i >= 0; i--) {
+      const date = new Date(now.getFullYear(), now.getMonth() - i, 1);
+      const monthLabel = date.toLocaleDateString("en-US", { month: "short" });
+      const nextMonthDate = new Date(
+        now.getFullYear(),
+        now.getMonth() - i + 1,
+        1,
+      );
+
+      const monthlyRevenue = payments
+        .filter((p: any) => {
+          const paidAt = p.paid_at ? new Date(p.paid_at) : null;
+          if (!paidAt) return false;
+          return paidAt >= date && paidAt < nextMonthDate;
+        })
+        .reduce((sum: number, p: any) => sum + (p.amount || 0), 0);
+
+      revenue.push({
+        label: monthLabel,
+        value: monthlyRevenue,
+        color: "#10b981",
+      });
+    }
+
+    const analyticsData: AnalyticsData = {
+      userGrowth,
+      membershipDistribution,
+      revenue,
+    };
+
+    return successResponse({ analytics: analyticsData });
+  } catch (error) {
+    console.error("Analytics error:", error);
+    return NextResponse.json(
+      { error: "Internal server error" },
+      { status: 500 },
+    );
+  }
+}

apps/admin/src/app/api/admin/stats/route.ts

@@ -2,6 +2,7 @@ import { auth } from "@clerk/nextjs/server";
 import { NextResponse } from "next/server";
 import { getDatabase } from "@/lib/database";
 import { ensureUserSynced } from "@/lib/sync-user";
+import { successResponse } from "@/lib/api/responses";
 
 export async function GET(req: Request) {
   try {
@@ -51,7 +52,7 @@ export async function GET(req: Request) {
       revenueGrowth: 0,
     };
 
-    return NextResponse.json(stats);
+    return successResponse({ stats });
   } catch (error) {
     console.error("Dashboard stats error:", error);
     return new NextResponse("Internal Server Error", { status: 500 });