construprogress/app/Livewire/AdminUsers.php

<?php

namespace App\Livewire;

use Livewire\Component;
use App\Models\User;
use Spatie\Permission\Models\Role;
use Illuminate\Support\Facades\Auth;

class AdminUsers extends Component
{
    public $users;
    public $roles;

    public function mount()
    {
        if (!Auth::user()->hasRole('Admin')) {
            abort(403);
        }
        $this->roles = Role::all();
        $this->loadUsers();
    }

    public function loadUsers()
    {
        $this->users = User::with('roles')->orderBy('name')->get();
    }

    public function updateRole($userId, $roleName)
    {
        $user = Auth::user();
        if (!$user->hasRole('Admin')) {
            session()->flash('error', 'Solo administradores.');
            return;
        }

        $targetUser = User::findOrFail($userId);
        if ($targetUser->id === $user->id && $targetUser->hasRole('Admin')) {
            session()->flash('error', 'No puedes cambiarte el rol a ti mismo.');
            return;
        }

        $targetUser->syncRoles([$roleName]);
        $this->loadUsers();
        $this->dispatch('notify', 'Rol actualizado.');
    }

    public function deleteUser(int $userId): void
    {
        if (!Auth::user()->hasRole('Admin')) abort(403);

        if ($userId === Auth::id()) {
            session()->flash('error', 'No puedes eliminarte a ti mismo.');
            return;
        }
        User::findOrFail($userId)->delete();
        session()->flash('message', 'Usuario eliminado.');
        $this->loadUsers();
    }

    public function render()
    {
        return view('livewire.admin-users');
    }
}