GenericAction.php

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<?php

namespace Elgg\Controllers;

use Elgg\Http\ErrorResponse;
use Elgg\Http\OkResponse;

abstract class GenericAction {
    
    protected \Elgg\Request $request;
    
    final public function __invoke(\Elgg\Request $request): \Elgg\Http\Response {
        $this->request = $request;
        
        try {
            $this->sanitize();
            $this->validate();
            $this->executeBefore();
            $this->execute();
            $this->executeAfter();
            
            return $this->success();
        } catch (\Elgg\Exceptions\HttpException $e) {
            return $this->error($e->getMessage());
        }
    }
    
    protected function sanitize(): void {
    }
    
    protected function validate(): void {
    }
    
    protected function executeBefore(): void {
    }
    
    protected function execute(): void {
    }
    
    protected function executeAfter(): void {
    }
    
    protected function success(): OkResponse {
        return elgg_ok_response();
    }
    
    protected function error(string $message): ErrorResponse {
        return elgg_error_response($message);
    }
}