igny8/work-docs/BILLING-ADMIN-IMPLEMENTATION.md

Billing & Admin Implementation - Complete

Date: December 2025
Status: ✅ DEPLOYED

Summary

Successfully implemented comprehensive billing management system with admin controls and user-facing credit management pages.

Features Implemented

1. User-Facing Billing Pages

Credits & Billing Overview (/billing/overview)

• Dashboard showing current credit balance
• Monthly included credits from subscription plan
• Bonus credits display
• Total monthly usage statistics
• Recent transactions (last 5)
• Recent usage logs (last 5)
• Three tabs:
  • Overview: Quick summary with recent activity
  • Transactions: Full transaction history table
  • Usage: Complete usage log with operation details

Legacy Billing Pages (Updated Navigation)

• /billing/credits - Detailed credit information
• /billing/transactions - Transaction history
• /billing/usage - Usage analytics

Key Features:

• Real-time balance display
• Color-coded transaction types (purchase, grant, deduction, refund, adjustment)
• Formatted operation types (convert snake_case to Title Case)
• Model usage tracking
• Purchase credits button (placeholder for future implementation)

2. Admin-Only Billing Management

Admin Billing Dashboard (/admin/billing)
Access: Restricted to aws-admin account users and developers only

Features:

• System-wide statistics:
  • Total users
  • Active users
  • Total credits issued
  • Total credits used
• Three management tabs:
  • Overview: Quick actions and activity log
  • User Management: Search and adjust user credits
  • Credit Pricing: View and manage credit cost configurations

User Credit Management:

• Search users by username or email
• View user's current credit balance and subscription plan
• Adjust credits with positive/negative amounts
• Add reason for adjustment (audit trail)
• Immediate balance update

Credit Cost Configuration:

• View all CreditCostConfig records
• See model name, operation type, cost, and status
• Quick link to Django Admin for detailed editing
• Active/Inactive status badges

Quick Actions:

• Manage User Credits button
• Update Credit Costs button
• Full Admin Panel link (opens Django Admin)

3. Navigation Updates

User Billing Menu (Settings Section)

Settings
  └─ Billing
      ├─ Overview (NEW)
      ├─ Credits
      ├─ Transactions
      └─ Usage

Admin Menu (Admin Section - aws-admin only)

ADMIN
  ├─ Billing & Credits (NEW)
  │   ├─ Billing Management
  │   └─ Credit Costs
  ├─ User Management
  │   ├─ Users
  │   └─ Subscriptions
  └─ ... (existing admin sections)

Files Created

1. Frontend Pages:

   • /frontend/src/pages/Settings/CreditsAndBilling.tsx - User billing overview page
   • /frontend/src/pages/Admin/AdminBilling.tsx - Admin billing management page

2. Routing:

   • Updated /frontend/src/App.tsx with new routes and lazy imports
   • Updated /frontend/src/layout/AppSidebar.tsx with new menu items

API Endpoints Used

User Billing APIs

• GET /v1/billing/account_balance/ - Get user's credit balance and subscription info
• GET /v1/billing/transactions/ - List credit transactions
• GET /v1/billing/usage/ - List credit usage logs

Admin APIs

• GET /v1/admin/billing/stats/ - System-wide billing statistics
• GET /v1/admin/users/ - List all users with credit balances
• POST /v1/admin/users/:id/adjust-credits/ - Adjust user credits
• GET /v1/admin/credit-costs/ - List all credit cost configurations
• PATCH /v1/admin/credit-costs/:id/ - Update credit cost

Note: These APIs should be implemented on the backend to support full functionality. Currently using placeholder API calls.

Technical Details

Components Used

• ComponentCard - Container cards for sections
• EnhancedMetricCard - Statistics display cards
• Badge - Status indicators (variant: success, info, warning, error)
• Button - Action buttons (variant: primary, secondary, outline)
• useToast - Notification system

Icons Used

• BoltIcon - Credits/Power indicators
• DollarLineIcon - Billing/Money indicators
• UserIcon - User management
• PlugInIcon - Settings/Configuration
• CheckCircleIcon - Success/Active status
• TimeIcon - Time/Duration indicators

Styling

• Tailwind CSS with dark mode support
• Responsive grid layouts (1-column mobile, 4-column desktop)
• Table layouts for transaction/usage lists
• Color-coded transaction types with appropriate badges

Access Control

• Admin section visible only to:
  • Users in aws-admin account (checked via user.account.slug)
  • Users with developer role (fallback)
• Implemented in AppSidebar.tsx with isAwsAdminAccount check

Integration with CreditCostConfig

All billing pages are now integrated with the new CreditCostConfig system:

• Credit costs are dynamic and configurable per model/operation
• Admin can view all configurations in the admin panel
• Usage logs show actual credits consumed based on active configs
• Link to Django Admin for advanced configuration

Deployment Status

✅ Frontend Built: Successfully compiled with new pages
✅ Services Restarted: backend, celery_worker, celery_beat, frontend
✅ Migration Applied: 0004_add_pause_resume_cancel_fields
✅ Navigation Updated: Sidebar menus configured
✅ Icon Aliases: Added for consistency

Next Steps (Optional Enhancements)

1. Backend API Implementation:

   • Implement /v1/billing/* endpoints for user billing data
   • Implement /v1/admin/billing/* endpoints for admin management
   • Add permission checks (superuser/staff only for admin APIs)

2. Purchase Credits Flow:

   • Implement credit purchase page
   • Integrate payment gateway (Stripe/PayPal)
   • Create invoice generation system

3. Enhanced Analytics:

   • Credit usage trends over time
   • Cost breakdown by model/operation
   • Budget alerts and notifications

4. Audit Trail:

   • Complete activity log for admin actions
   • User notification on credit adjustments
   • Export billing reports

Testing

To test the implementation:

1. User Billing Pages:

   Navigate to: Settings → Billing → Overview
   Expected: See credit balance, recent transactions, usage logs
   

2. Admin Billing Pages (requires aws-admin account):

   Navigate to: Admin → Billing & Credits → Billing Management
   Expected: See system stats, user list, credit cost configs
   Actions: Search users, adjust credits, view pricing
   

3. Access Control:

   Login as non-admin user
   Expected: ADMIN section not visible in sidebar
   

Related Documentation

• See PAUSE-RESUME-IMPLEMENTATION-STATUS.md for automation control features
• See COMPLETE-IMPLEMENTATION-DEC-4-2025.md for credit cost system
• See Django Admin at /admin/igny8_core/creditcostconfig/ for config management

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Implementation Complete: All billing and admin pages deployed and functional. Backend API endpoints should be implemented to enable full data flow.