TtmServerFactory.php

<?php
declare( strict_types = 1 );
 
namespace MediaWiki\Extension\Translate\TtmServer;
 
use DatabaseTTMServer;
use FakeTTMServer;
use RemoteTTMServer;
use TTMServer;
use WritableTTMServer;
 
class TtmServerFactory {
    private $configs;
    private $default;
 
    public function __construct( array $configs, ?string $default = null ) {
        $this->configs = $configs;
        $this->default = $default;
    }
 
    public function getNames(): array {
        $ttmServersIds = [];
        foreach ( $this->configs as $serviceId => $config ) {
            $type = $config['type'] ?? '';
            if ( $type === 'ttmserver' || $type === 'remote-ttmserver' ) {
                $ttmServersIds[] = $serviceId;
            }
        }
        return $ttmServersIds;
    }
 
    public function has( string $name ): bool {
        $ttmServersIds = $this->getNames();
        return in_array( $name, $ttmServersIds );
    }
 
    public function create( string $name ): TTMServer {
        if ( !$this->has( $name ) ) {
            throw new ServiceCreationFailure( "No configuration for name '$name'" );
        }
 
        $config = $this->configs[$name];
        if ( !is_array( $config ) ) {
            throw new ServiceCreationFailure( "Invalid configuration for name '$name'" );
        }
 
        if ( isset( $config['class'] ) ) {
            $class = $config['class'];
            return new $class( $config );
        } elseif ( isset( $config['type'] ) ) {
            $type = $config['type'];
            switch ( $type ) {
                case 'ttmserver':
                    return new DatabaseTTMServer( $config );
                case 'remote-ttmserver':
                    return new RemoteTTMServer( $config );
                default:
                    throw new ServiceCreationFailure( "Unknown type for name '$name': $type" );
            }
        }
 
        throw new ServiceCreationFailure( "Invalid configuration for name '$name': type not specified" );
    }
 
    public function getDefault(): WritableTTMServer {
        $service = null;
 
        try {
            if ( $this->default !== null ) {
                $service = $this->create( $this->default );
            }
        } catch ( ServiceCreationFailure $e ) {
        }
 
        if ( $service instanceof WritableTTMServer ) {
            return $service;
        }
 
        return new FakeTTMServer();
    }
}