index.php

<?php

class HttpHandler {
    private Database $db;
    
    public function __construct(Database $db) {
        $this->db = $db;
    }
    
    public function handleRequest() {
        $factory = new Task\Factory();
        $validator = new Task\Validator();
        
        $task = $factory->fromHttpRequest($request);
        
        if ($validator->validate($task)) {
            
            if ($this->db->insertTask($task)) {
                return HttoSuccess;
            }
            
            return HttpFailure;
        }
        
        return HttpInvalid;
    }
}

class WebSocketHandler {
    private Database $db;
    
    public function __construct(Database $db) {
        $this->db = $db;
    }
    
    public function handleRequest() {
        $factory = new Task\Factory();
        $validator = new Task\Validator();
        
        $task = $factory->fromWebSocketFrame($frame);
        
        if ($validator->validate($task)) {
            
            if ($this->db->insertTask($task)) {
                return WSSuccess;
            }
            
            return WSFailure;
        }
        
        return WSInvalid;
    }
}