use App\Models\Loan;
use App\Models\Payment;
use Illuminate\Support\Facades\Auth;

public function customerDashboard()
{
    $user = Auth::user();

    // Pata loan ya kwanza ya mtumiaji, au null kama hana
    $loan = Loan::where('user_id', $user->id)->first();

    // Pata payments za user huyo
    $payments = Payment::with('loan')->whereHas('loan', function($q) use ($user){
        $q->where('user_id', $user->id);
    })->get();

    // Tuma variables zote kwenye view
    return view('dashboard.customer', compact('loan', 'payments'));
}