redesign

admin dashboard

apps/admin/src/lib/database/sqlite.ts

@@ -370,6 +370,12 @@ export class SQLiteDatabase implements IDatabase {
       attendance.type, attendance.notes, attendance.createdAt.toISOString()
     )
 
+    // Update client last visit
+    this.db.prepare('UPDATE clients SET lastVisit = ? WHERE id = ?').run(
+      now.toISOString(),
+      clientId
+    )
+
     return attendance
   }
 
@@ -432,7 +438,8 @@ export class SQLiteDatabase implements IDatabase {
       userId: row.userId,
       membershipType: row.membershipType,
       membershipStatus: row.membershipStatus,
-      joinDate: new Date(row.joinDate)
+      joinDate: new Date(row.joinDate),
+      lastVisit: row.lastVisit ? new Date(row.lastVisit) : undefined
     }
   }
 
@@ -464,4 +471,43 @@ export class SQLiteDatabase implements IDatabase {
       createdAt: new Date(row.createdAt)
     }
   }
+
+  async getDashboardStats(): Promise<{
+    totalUsers: number;
+    activeClients: number;
+    totalRevenue: number;
+    revenueGrowth: number;
+  }> {
+    if (!this.db) throw new Error('Database not connected')
+
+    // Total Users
+    const userCountStmt = this.db.prepare('SELECT COUNT(*) as count FROM users')
+    const userCount = (userCountStmt.get() as any).count
+
+    // Active Clients
+    const activeClientCountStmt = this.db.prepare("SELECT COUNT(*) as count FROM clients WHERE membershipStatus = 'active'")
+    const activeClientCount = (activeClientCountStmt.get() as any).count
+
+    // Total Revenue (assuming payments table exists, handling if it's empty)
+    // Note: We need to create the payments table first if it doesn't exist in createTables
+    // For now, returning 0 if table doesn't exist or is empty
+    let totalRevenue = 0
+    let revenueGrowth = 0
+
+    try {
+      const revenueStmt = this.db.prepare('SELECT SUM(amount) as total FROM payments WHERE status = "completed"')
+      const revenueResult = revenueStmt.get() as any
+      totalRevenue = revenueResult?.total || 0
+    } catch (e) {
+      // Table might not exist yet
+      console.warn('Payments table query failed, returning 0 revenue')
+    }
+
+    return {
+      totalUsers: userCount,
+      activeClients: activeClientCount,
+      totalRevenue,
+      revenueGrowth
+    }
+  }
 }

apps/admin/src/lib/database/types.ts

@@ -17,6 +17,7 @@ export interface Client {
   membershipType: "basic" | "premium" | "vip";
   membershipStatus: "active" | "inactive" | "expired";
   joinDate: Date;
+  lastVisit?: Date;
 }
 
 export interface FitnessProfile {
@@ -88,6 +89,14 @@ export interface IDatabase {
   getAttendanceHistory(clientId: string): Promise<Attendance[]>;
   getAllAttendance(): Promise<Attendance[]>;
   getActiveCheckIn(clientId: string): Promise<Attendance | null>;
+
+  // Dashboard operations
+  getDashboardStats(): Promise<{
+    totalUsers: number;
+    activeClients: number;
+    totalRevenue: number;
+    revenueGrowth: number; // Percentage vs last month
+  }>;
 }
 
 // Database configuration

apps/admin/src/lib/utils.ts

@@ -1,26 +1,14 @@
-export const formatDate = (date: Date): string => {
-  return new Intl.DateTimeFormat('en-US', {
-    year: 'numeric',
-    month: 'short',
-    day: 'numeric',
-  }).format(date)
+import { type ClassValue, clsx } from "clsx"
+import { twMerge } from "tailwind-merge"
+
+export function cn(...inputs: ClassValue[]) {
+  return twMerge(clsx(inputs))
 }
 
-export const formatCurrency = (
-  amount: number,
-  currency: string = 'USD'
-): string => {
-  return new Intl.NumberFormat('en-US', {
-    style: 'currency',
-    currency,
-  }).format(amount)
-}
-
-export const calculateDaysBetween = (startDate: Date, endDate: Date): number => {
-  const timeDiff = endDate.getTime() - startDate.getTime()
-  return Math.ceil(timeDiff / (1000 * 3600 * 24))
-}
-
-export const generateId = (): string => {
-  return Math.random().toString(36).substr(2, 9)
+export function formatDate(date: string | Date) {
+  return new Date(date).toLocaleDateString("en-US", {
+    month: "long",
+    day: "numeric",
+    year: "numeric",
+  })
 }