Brotech ERP

namespace App\Providers;

use Illuminate\Support\ServiceProvider;

class ModuleServiceProvider extends ServiceProvider
{
    /**
     * Register any application services dynamically.
     */
    public function register()
    {
        // Fetch enabled modules from local config registry
        $enabledModules = config('modules.enabled', []);

        foreach ($enabledModules as $module) {
            $providerClass = "App\\Modules\\" . ucfirst($module) . "\\Providers\\" . ucfirst($module) . "ServiceProvider";
            
            if (class_exists($providerClass)) {
                $this->app->register($providerClass);
            }
        }
    }

    /**
     * Boot dynamic middleware or routing configurations.
     */
    public function boot()
    {
        $enabledModules = config('modules.enabled', []);
        
        foreach ($enabledModules as $module) {
            $routeFile = app_path("Modules/" . ucfirst($module) . "/Routes/api.php");
            if (file_exists($routeFile)) {
                $this->loadRoutesFrom($routeFile);
            }
        }
    }
}

namespace App\Observers;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Auth;

class AuditObserver
{
    /**
     * Intercept update logs during table changes.
     */
    public function updated(Model $model)
    {
        $dirty = $model->getDirty();
        $original = $model->getOriginal();
        
        $oldValues = [];
        $newValues = [];

        foreach ($dirty as $key => $value) {
            // Skip timestamp changes
            if (in_array($key, ['updated_at', 'last_login'])) continue;
            
            $oldValues[$key] = $original[$key] ?? null;
            $newValues[$key] = $value;
        }

        if (!empty($newValues)) {
            DB::table('audit_logs')->insert([
                'model_type' => get_class($model),
                'model_id' => $model->id,
                'action' => 'update',
                'old_values' => json_encode($oldValues),
                'new_values' => json_encode($newValues),
                'user_id' => Auth::id() ?? 0,
                'ip_address' => request()->ip(),
                'created_at' => now(),
            ]);
        }
    }
}