Core\ControllerDispatcher\RouterMapBuilder

Complexity

Total Complexity

13

Size/Duplication

Total Lines	63
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	1

Importance

Changes

0

6 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	4	1
A	setRouterConfig()	0	4	1
A	build()	0	11	2
A	getRoutePaths()	0	7	1
A	addRouterPath()	0	10	3
B	getHttpHandler()	0	8	5

<?php

namespace Core\ControllerDispatcher;

use Prob\Router\Map;
use Core\ControllerDispatcher;

class RouterMapBuilder
{
    private $routerConfig = [];

    public function __construct(array $config = [])
    {
        $this->setRouterConfig($config);
    }

    public function setRouterConfig(array $config)
    {
        $this->routerConfig = $config;
    }

    public function build()
    {
        $map = new Map();
        $map->setNamespace($this->routerConfig['namespace']);

        foreach ($this->getRoutePaths() as $k => $v) {
            $this->addRouterPath($map, $k, $v);
        }

        return $map;
    }

    private function getRoutePaths()
    {
        $paths = $this->routerConfig;
        unset($paths['namespace']);

        return $paths;
    }

    /**
     * $handlers schema
     *     (string) $handlers method or function name | {closure}
     *     (array) $handlers['GET' | 'POST'] => method or function name | {closure}
     *
     * @param Map    $routerMap
     * @param string $path  url path
     * @param string|array|closure $handlers
     */
    private function addRouterPath(Map $routerMap, $path, $handlers)
    {
        if ($this->getHttpHandler('GET', $handlers)) {
            $routerMap->get($path, $this->getHttpHandler('GET', $handlers));
        }

        if ($this->getHttpHandler('POST', $handlers)) {
            $routerMap->post($path, $this->getHttpHandler('POST', $handlers));
        }
    }

    private function getHttpHandler($method, $handlers)
    {
        if (gettype($handlers) === 'string' || is_callable($handlers)) {
            return $method === 'GET' ? $handlers : null;
        }

        return isset($handlers[$method]) ? $handlers[$method] : null;
    }
}