Add admin portal

apps/backend/src/modules/admin/services/complex-stats.service.ts

@@ -0,0 +1,80 @@
+import { db } from '@/lib/prisma';
+
+type ComplexStats = {
+  id: string;
+  complexName: string;
+  complexSlug: string;
+  city: string | null;
+  planCode: string | null;
+  planName: string | null;
+  userCount: number;
+  courtCount: number;
+  totalBookings: number;
+  avgBookingsPerDay: number;
+  bookingsByStatus: {
+    confirmed: number;
+    cancelled: number;
+    completed: number;
+    noshow: number;
+  };
+  paymentStatus: 'active' | 'no_plan' | 'expired';
+};
+
+export async function getComplexStatsList(): Promise<ComplexStats[]> {
+  const complexes = await db.complex.findMany({
+    include: {
+      plan: true,
+      users: true,
+      courts: {
+        include: {
+          bookings: true,
+        },
+      },
+    },
+  });
+
+  return complexes.map((complex) => {
+    const courtCount = complex.courts.length;
+    const allBookings = complex.courts.flatMap((c) => c.bookings);
+
+    const bookingsByStatus = {
+      confirmed: allBookings.filter((b) => b.status === 'CONFIRMED').length,
+      cancelled: allBookings.filter((b) => b.status === 'CANCELLED').length,
+      completed: allBookings.filter((b) => b.status === 'COMPLETED').length,
+      noshow: allBookings.filter((b) => b.status === 'NOSHOW').length,
+    };
+
+    const totalBookings = allBookings.length;
+
+    let avgBookingsPerDay = 0;
+    if (allBookings.length > 0) {
+      const dates = allBookings.map((b) => b.bookingDate);
+      const minDate = new Date(Math.min(...dates.map((d) => d.getTime())));
+      const daysDiff = Math.max(
+        1,
+        Math.ceil((Date.now() - minDate.getTime()) / (1000 * 60 * 60 * 24))
+      );
+      avgBookingsPerDay = Math.round((totalBookings / daysDiff) * 100) / 100;
+    }
+
+    let paymentStatus: 'active' | 'no_plan' | 'expired' = 'no_plan';
+    if (complex.plan) {
+      paymentStatus = 'active';
+    }
+
+    return {
+      id: complex.id,
+      complexName: complex.complexName,
+      complexSlug: complex.complexSlug,
+      city: complex.city,
+      planCode: complex.planCode,
+      planName: complex.plan?.name ?? null,
+      userCount: complex.users.length,
+      courtCount,
+      totalBookings,
+      avgBookingsPerDay,
+      bookingsByStatus,
+      paymentStatus,
+    };
+  });
+}