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feat: implement comprehensive credits management system

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- Database schema:
  * Extended user_credits table with daily_limit, API costs, last_reset_at
  * Created credit_transactions table for full audit trail
  * Added RLS policies for secure access control

- Core services:
  * credit-service.ts - balance checking, deduction, addition, transaction history
  * admin-credit-service.ts - admin controls for managing users and credits

- API integration:
  * Integrated credit checking into discover-whiskybase.ts
  * Credits deducted after successful API calls
  * Insufficient credits error handling

- Admin interface:
  * /admin/users page with user management
  * Statistics dashboard (total users, credits in circulation, usage)
  * Interactive user table with search
  * Edit modal for credit adjustment and settings
  * Per-user daily limits and API cost configuration

- Features:
  * Automatic credit initialization (100 credits for new users)
  * Credit transaction logging with balance_after tracking
  * Admin can add/remove credits with reason
  * Admin can set custom daily limits per user
  * Admin can set custom API costs per user
  * Low credit warnings (< 10 credits)
  * Full transaction history

- User experience:
  * Credits checked before API calls
  * Clear error messages for insufficient credits
  * Graceful handling of credit deduction failures

System is ready for future enhancements like credit packages,
auto-recharge, and payment integration.
This commit is contained in:
robin
2025-12-18 15:02:32 +01:00
parent e960d1bace
commit 95a8b3940b
7 changed files with 1013 additions and 6 deletions
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98
src/app/admin/users/page.tsx Normal file
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import { createServerComponentClient } from '@supabase/auth-helpers-nextjs';
import { cookies } from 'next/headers';
import { redirect } from 'next/navigation';
import { checkIsAdmin } from '@/services/track-api-usage';
import { getAllUsersWithCredits } from '@/services/admin-credit-service';
import Link from 'next/link';
import { ChevronLeft, Users, Coins, TrendingUp, TrendingDown } from 'lucide-react';
import UserManagementClient from '@/components/UserManagementClient';
export default async function AdminUsersPage() {
const supabase = createServerComponentClient({ cookies });
const { data: { user } } = await supabase.auth.getUser();
if (!user) {
redirect('/');
}
const isAdmin = await checkIsAdmin(user.id);
if (!isAdmin) {
redirect('/');
}
// Fetch all users with credits
const users = await getAllUsersWithCredits();
// Calculate statistics
const totalUsers = users.length;
const totalCreditsInCirculation = users.reduce((sum, u) => sum + u.balance, 0);
const totalCreditsPurchased = users.reduce((sum, u) => sum + u.total_purchased, 0);
const totalCreditsUsed = users.reduce((sum, u) => sum + u.total_used, 0);
return (
<main className="min-h-screen bg-zinc-50 dark:bg-black p-4 md:p-12">
<div className="max-w-7xl mx-auto space-y-8">
{/* Header */}
<div className="flex items-center justify-between">
<div>
<Link
href="/admin"
className="inline-flex items-center gap-2 text-zinc-500 hover:text-amber-600 transition-colors font-medium mb-2"
>
<ChevronLeft size={20} />
Back to Dashboard
</Link>
<h1 className="text-3xl font-black text-zinc-900 dark:text-white tracking-tight">User Management</h1>
<p className="text-zinc-500 mt-1">Manage user credits and limits</p>
</div>
</div>
{/* Statistics Cards */}
<div className="grid grid-cols-1 md:grid-cols-4 gap-6">
<div className="bg-white dark:bg-zinc-900 rounded-2xl p-6 border border-zinc-200 dark:border-zinc-800 shadow-sm">
<div className="flex items-center gap-3 mb-2">
<div className="p-2 bg-blue-100 dark:bg-blue-900/30 rounded-lg">
<Users size={20} className="text-blue-600 dark:text-blue-400" />
</div>
<span className="text-xs font-black uppercase text-zinc-400">Total Users</span>
</div>
<div className="text-3xl font-black text-zinc-900 dark:text-white">{totalUsers}</div>
</div>
<div className="bg-white dark:bg-zinc-900 rounded-2xl p-6 border border-zinc-200 dark:border-zinc-800 shadow-sm">
<div className="flex items-center gap-3 mb-2">
<div className="p-2 bg-green-100 dark:bg-green-900/30 rounded-lg">
<Coins size={20} className="text-green-600 dark:text-green-400" />
</div>
<span className="text-xs font-black uppercase text-zinc-400">Credits in Circulation</span>
</div>
<div className="text-3xl font-black text-zinc-900 dark:text-white">{totalCreditsInCirculation.toLocaleString()}</div>
</div>
<div className="bg-white dark:bg-zinc-900 rounded-2xl p-6 border border-zinc-200 dark:border-zinc-800 shadow-sm">
<div className="flex items-center gap-3 mb-2">
<div className="p-2 bg-amber-100 dark:bg-amber-900/30 rounded-lg">
<TrendingUp size={20} className="text-amber-600 dark:text-amber-400" />
</div>
<span className="text-xs font-black uppercase text-zinc-400">Total Purchased</span>
</div>
<div className="text-3xl font-black text-zinc-900 dark:text-white">{totalCreditsPurchased.toLocaleString()}</div>
</div>
<div className="bg-white dark:bg-zinc-900 rounded-2xl p-6 border border-zinc-200 dark:border-zinc-800 shadow-sm">
<div className="flex items-center gap-3 mb-2">
<div className="p-2 bg-purple-100 dark:bg-purple-900/30 rounded-lg">
<TrendingDown size={20} className="text-purple-600 dark:text-purple-400" />
</div>
<span className="text-xs font-black uppercase text-zinc-400">Total Used</span>
</div>
<div className="text-3xl font-black text-zinc-900 dark:text-white">{totalCreditsUsed.toLocaleString()}</div>
</div>
</div>
{/* User Management Table */}
<UserManagementClient initialUsers={users} />
</div>
</main>
);
}