HnrAzevedo\Router\Router

Complexity

Total Complexity

48

Size/Duplication

Total Lines	272
Duplicated Lines	0 %

Importance

Changes	27
Bugs	0	Features	5

17 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	3	1
A	getInstance()	0	4	2
A	create()	0	9	2
A	before()	0	3	1
A	filter()	0	19	4
A	set()	0	30	5
A	addFilter()	0	19	5
A	name()	0	23	4
A	setOnRoute()	0	17	4
A	beforeAll()	0	6	2
A	setOnRoutes()	0	8	3
A	byName()	0	17	3
A	group()	0	9	2
A	where()	0	9	2
A	dispatch()	0	40	5
A	afterAll()	0	6	2
A	after()	0	3	1

<?php

namespace HnrAzevedo\Router;

use Exception;

class Router{
    use Helper, CheckTrait, CheckWhere, DefinitionsTrait;

    private static $instance = null;
    private array $routers = [];
    private ?string $prefix = null;
    private ?string $group = null;
    private $lastReturn = null;
    private $beforeAll = null;
    private $afterAll = null;
    private array $afterExcepts = [];
    private array $beforeExcepts = [];
    private bool $instanced = false;

    public function __construct()
    {
        return $this;
    }

    public static function create(): Router
    {
        if(!self::getInstance()->instanced){
            self::getInstance()->checkConfig();
            self::getInstance()->import(ROUTER_CONFIG['path']);
            self::getInstance()->instanced = true;
        }
        
        return self::getInstance();
    }

    public static function getInstance(): Router
    {
        self::$instance = (is_null(self::$instance)) ? new self() : self::$instance;
        return self::$instance;
    }

    public function set($url ,$walking , string $protocol): Router
    {
        $this->lastReturn = null;
        
		$url = (substr($url,0,1) !=='/' and strlen($url) > 0) ? "/{$url}" : $url;

    	foreach($this->routers as $key => $value){
    		if( md5($this->prefix . $value['url'] . $value['protocol'] ) === md5( $url . $protocol ) ){
                throw new Exception("There is already a route with the url {$url} and with the {$protocol} protocol configured.");
            }
        }
        
        $this->checkTypeRole($walking);

		$route = [
			'url' => $this->prefix.$url,
			'role' => $walking,
			'protocol' => $protocol,
            'filters' => null,
            'where' => null,
            'before' => null,
            'beforeAll' => $this->beforeAll,
            'after' => null,
            'afterAll' => $this->afterAll,
            'group' => self::getInstance()->group
		];

		$this->routers[] = $route;		
        
        return self::getInstance();
    }

    public static function group(string $prefix,$callback): Router
    {
        self::getInstance()->prefix = (substr($prefix,0,1) !== '/') ? "/{$prefix}" : $prefix;
        self::getInstance()->group = sha1(date('d/m/Y h:m:i'));
        $callback();
        self::getInstance()->group = null;
        self::getInstance()->prefix = null;
        self::getInstance()->lastReturn = true;
        return self::getInstance();
    }

    public static function where(): Router
    {
        if(self::getInstance()->lastReturn){
            throw new Exception("It is not possible to define parameter tests for groups of routes.");
        }

        self::getInstance()->callWhereAdd(func_get_args());

        return self::getInstance();
    }

    public static function name(string $name): Router
    {
        if(self::getInstance()->lastReturn){
            throw new Exception("There is no reason to call a {$name} route group.");
        }

        $currentRoute = end(self::getInstance()->routers);

        self::getInstance()->hasRouteName($name);

        if(in_array($name,self::getInstance()->beforeExcepts)){
            $currentRoute['beforeAll'] = null;
        }

        if(in_array($name,self::getInstance()->afterExcepts)){
            $currentRoute['afterAll'] = null;
        }

        unset(self::getInstance()->routers[count(self::getInstance()->routers)-1]);
        
        self::getInstance()->routers[$name] = $currentRoute;

        return self::getInstance();
    }

    private function byName(?string $routName)
    {
        if(!is_null($routName)){
            $currentProtocol = $this->getProtocol();

            $this->checkName($routName);
    
            $route = $this->routers[$routName];
    
            if(!$this->checkProtocol($route['protocol'], $currentProtocol)){
                throw new Exception('Page not found.',404);
            }
    
            $this->checkFiltering($route);
    
            $this->toHiking($route['role']);
            throw true;
        }
    }

    public static function dispatch(?string $routeName = null): bool
    {
        $instance = self::create();

        $instance->getInstance()->byName($routeName);

		$currentProtocol = $instance->getInstance()->getProtocol();

        foreach(array_reverse($instance->getInstance()->routers) as $r => $route){

            $instance->getInstance()->currentRoute = $route;

            if(!$instance->getInstance()->checkProtocol($route['protocol'], $currentProtocol)){
                continue;
            }

            $instance->getInstance()->hasProtocol($route, $currentProtocol);

            $_SERVER['REQUEST_URI'] = (array_key_exists('REQUEST_URI', $_SERVER)) ? $_SERVER['REQUEST_URI'] : '';


            $routs = $instance->getInstance()->explodeRoutes(
                (substr($route['url'],strlen($route['url'])-1,1) === '/') , $route['url'],
                (substr($_SERVER['REQUEST_URI'],strlen($_SERVER['REQUEST_URI'])-1,1) === '/') , $_SERVER['REQUEST_URI']
            );

            if(!$instance->getInstance()->checkToHiking($route, $routs['routeRequest'], $routs['routeLoop'])){
                continue;
            }

            $instance->getInstance()->checkFiltering($route);

            $instance->getInstance()->toHiking($route);
            return true;
            
        }
        
        $instance->getInstance()->currentRoute = null;

	    throw new Exception('Page not found.',404);
    }

    public function filter($filters): Router
    {
        if($this->lastReturn !== null){
            $currentGroup = end($this->routers)['group'];

            foreach ($this->routers as $key => $value) {

                if($value['group'] === $currentGroup){
                    $currentRoute = $this->addFilter($this->routers[$key],$filters);
                    $this->routers[$key] = $currentRoute;
                }

            }
            
            return $this;
        }
        
        $this->routers[count($this->routers)-1] = $this->addFilter(end($this->routers),$filters);
        return $this;
    }
 
    public function before($walking): Router
    {
        return $this->setOnRoute($walking,'before');
    }

    public static function beforeAll($walking, $except = null): Router
    {
        $excepts = is_array($except) ? $except : [$except];
        self::getInstance()->beforeExcepts = $excepts;
        self::getInstance()->beforeAll = $walking;
        return self::getInstance()->setOnRoutes($walking,'beforeAll',$excepts);
    }

    public function after($walking): Router
    {
        return $this->setOnRoute($walking,'after');
    }

    public static function afterAll($walking, $except = null): Router
    {
        $excepts = is_array($except) ? $except : [$except];
        self::getInstance()->afterExcepts = $excepts;
        self::getInstance()->afterAll = $walking;
        return self::getInstance()->setOnRoutes($walking,'afterAll',$excepts);
    }

    private function setOnRoute($walking, string $state): Router
    {
        if($this->lastReturn !== null){
            $currentGroup = end($this->routers)['group'];

            foreach ($this->routers as $key => $value) {

                if($value['group'] === $currentGroup){
                    $this->routers[$key][$state] = $walking;
                }

            }
            return $this;
        }
        
        $this->routers[count($this->routers)-1][$state] = $walking;
        return $this;
    }

    private function setOnRoutes($walking, string $state, array $excepts): Router
    {
        foreach($this->routers as $r => $route){
            if(!in_array($this->routers[$r]['name'],$excepts)){
                $this->routers[$r][$state] = $walking;
            }
        }
        return $this;
    }

    public static function addFilter(array $route, $filter): array
    {
        if(is_null($route['filters'])){
            $route['filters'] = $filter;
            return $route;
        }

        $filters = (is_array($filter)) ? $filter : [0 => $filter];

        if(is_array($route['filters'])){
            foreach ($route['filters'] as $key => $value) {
                $filters[] = $value;
            }
        }else{
            $filters[] = $route['filters'];
        }

        $route['filters'] = $filters;
        return $route;
    }

}