first commit

src/App.php

@@ -0,0 +1,87 @@
+<?php
+
+use MyApp\Core\Config;
+use MyApp\Core\Router;
+
+class App
+{
+    private $prefix = 'MyApp\\';
+
+    private $classDirs = [
+        'Controller\\' => 'controllers/',
+        'Core\\' => 'core/',
+        'Model\\' => 'models/',
+        'View\\' => 'views/',
+    ];
+    private $basedir = __DIR__;
+    /**
+     * @var Config
+     */
+    public $config;
+
+    public function __construct()
+    {
+        global $app;
+        $app = $this;
+        spl_autoload_register([$this, 'autoload']);
+
+        $this->config = (new Config())->setDbName('db')
+                                      ->setDbPort(3306)
+                                      ->setDbUser('user')
+                                      ->setDbPassword('password')
+                                      ->setSrcDir($this->basedir)
+                                      ->setTimezone('Europe/Moscow')
+                                      ->setClassDirs($this->classDirs)
+                                      ->setControllersDir($this->basedir.'/controllers/')
+                                      ->setControllersNamespace('\\MyApp\\Controller\\')
+                                      ->setSiteName('BadPing. Nagios better');
+
+        new Router();
+    }
+
+    /**
+     * Autoload function.
+     *
+     * @param string $className
+     */
+    public function autoload(string $className)
+    {
+        if (0 !== strpos($className, $this->prefix)) {
+            return;
+        }
+
+        $fileName = substr($className, strlen($this->prefix));
+        $fileName = str_replace(array_keys($this->classDirs), array_values($this->classDirs), $fileName);
+        $fileName = $this->basedir.'/'.str_replace('\\', '/', $fileName).'.php';
+
+        if (file_exists($fileName)) {
+            require $fileName;
+        }
+    }
+
+    /**
+     * Parse tags from method comments.
+     *
+     * @param string $comment
+     * @param string $tags
+     *
+     * @return array|null
+     */
+    public function parseTagsFromComment(string $comment, string $tags = 'RouteRegExp|HttpMethod')
+    {
+        if (preg_match_all("/^\\ *\\* \\@(?<type>$tags)\\ =\\ \"(?<value>.*)\\\".*\$/m", $comment, $matches)) {
+            $out = [];
+            foreach ($matches['type'] as $key => $type) {
+                if ('HttpMethod' == $type) {
+                    $out[$type] = explode(',', $matches['value'][$key]);
+                } else {
+                    $out[$type] = $matches['value'][$key];
+                }
+            }
+
+            return $out;
+        }
+
+        return null;
+    }
+}

src/controllers/DefaultController.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace MyApp\Controller;
+
+use MyApp\Core\Controller;
+use MyApp\View\DefaultView as View;
+
+class DefaultController extends Controller
+{
+    /**
+     * @RouteRegExp = "|^/$|"
+     */
+    public function index()
+    {
+        (new View())->index();
+    }
+}

src/controllers/ErrorsController.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace MyApp\Controller;
+
+use MyApp\Core\Controller;
+
+class ErrorsController extends Controller
+{
+    public function get404()
+    {
+        http_response_code(404);
+        echo 404;
+    }
+
+    public function post404()
+    {
+        echo 404;
+    }
+}

src/core/Config.php

@@ -0,0 +1,235 @@
+<?php
+
+namespace MyApp\Core;
+
+class Config
+{
+    /**
+     * @var string
+     */
+    private $dbName;
+    /**
+     * @var int
+     */
+    private $dbPort;
+    /**
+     * @var string
+     */
+    private $dbUser;
+    /**
+     * @var string
+     */
+    private $dbPassword;
+    /**
+     * @var array
+     */
+    private $classDirs;
+    /**
+     * @var string
+     */
+    private $srcDir;
+    /**
+     * @var string
+     */
+    private $controllersDir;
+    /**
+     * @var string
+     */
+    private $controllersNamespace;
+    /**
+     * @var string
+     */
+    private $siteName;
+
+    /**
+     * @return string
+     */
+    public function getDbName(): string
+    {
+        return $this->dbName;
+    }
+
+    /**
+     * @param string $dbName
+     *
+     * @return Config
+     */
+    public function setDbName(string $dbName)
+    {
+        $this->dbName = $dbName;
+
+        return $this;
+    }
+
+    /**
+     * @return int
+     */
+    public function getDbPort(): int
+    {
+        return $this->dbPort;
+    }
+
+    /**
+     * @param int $dbPort
+     *
+     * @return Config
+     */
+    public function setDbPort(int $dbPort)
+    {
+        $this->dbPort = $dbPort;
+
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    public function getDbUser(): string
+    {
+        return $this->dbUser;
+    }
+
+    /**
+     * @param string $dbUser
+     *
+     * @return Config
+     */
+    public function setDbUser(string $dbUser)
+    {
+        $this->dbUser = $dbUser;
+
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    public function getDbPassword(): string
+    {
+        return $this->dbPassword;
+    }
+
+    /**
+     * @param string $dbPassword
+     *
+     * @return Config
+     */
+    public function setDbPassword(string $dbPassword)
+    {
+        $this->dbPassword = $dbPassword;
+
+        return $this;
+    }
+
+    /**
+     * @param string $timezone
+     *
+     * @return $this
+     */
+    public function setTimezone(string $timezone)
+    {
+        date_default_timezone_set($timezone);
+
+        return $this;
+    }
+
+    /**
+     * @return array
+     */
+    public function getClassDirs(): array
+    {
+        return $this->classDirs;
+    }
+
+    /**
+     * @param array $classDirs
+     *
+     * @return Config
+     */
+    public function setClassDirs(array $classDirs)
+    {
+        $this->classDirs = $classDirs;
+
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    public function getSrcDir(): string
+    {
+        return $this->srcDir;
+    }
+
+    /**
+     * @param string $srcDir
+     *
+     * @return Config
+     */
+    public function setSrcDir(string $srcDir)
+    {
+        $this->srcDir = $srcDir;
+
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    public function getControllersDir(): string
+    {
+        return $this->controllersDir;
+    }
+
+    /**
+     * @param string $controllersDir
+     *
+     * @return Config
+     */
+    public function setControllersDir(string $controllersDir)
+    {
+        $this->controllersDir = $controllersDir;
+
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    public function getControllersNamespace(): string
+    {
+        return $this->controllersNamespace;
+    }
+
+    /**
+     * @param string $controllersNamespace
+     *
+     * @return Config
+     */
+    public function setControllersNamespace(string $controllersNamespace)
+    {
+        $this->controllersNamespace = $controllersNamespace;
+
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    public function getSiteName(): string
+    {
+        return $this->siteName;
+    }
+
+    /**
+     * @param string $siteName
+     *
+     * @return Config
+     */
+    public function setSiteName(string $siteName)
+    {
+        $this->siteName = $siteName;
+
+        return $this;
+    }
+}

src/core/Controller.php

@@ -0,0 +1,7 @@
+<?php
+
+namespace MyApp\Core;
+
+class Controller
+{
+}

src/core/Model.php

@@ -0,0 +1,7 @@
+<?php
+
+namespace MyApp\Core;
+
+class Model
+{
+}

src/core/Router.php

@@ -0,0 +1,103 @@
+<?php
+
+namespace MyApp\Core;
+
+use ReflectionMethod;
+
+/**
+ * Class Router.
+ */
+class Router
+{
+    /**
+     * @var array
+     */
+    private $routes = [];
+
+    public function __construct()
+    {
+        $this->getRoutesFromControllers();
+        $this->addRoute('/^.*$/', 'MyApp\\Controller\\ErrorsController', 'get404', ['GET']);
+        $this->addRoute('/^.*$/', 'MyApp\\Controller\\ErrorsController', 'post404', ['POST', 'PUT', 'DELETE']);
+
+        $this->run();
+    }
+
+    /**
+     * Get Routes from a comment on method in Controllers.
+     */
+    private function getRoutesFromControllers()
+    {
+        /* @var \App $app */
+        global $app;
+
+        /* @var Config $config */
+        $config = $app->config;
+
+        $controllersDir = $config->getControllersDir();
+        $controllersNamespace = $config->getControllersNamespace();
+
+        $files = scandir($controllersDir);
+        foreach ($files as $file) {
+            $className = strstr($file, '.php', true);
+            $fileName = $controllersDir.$file;
+            if (is_file($fileName) && false !== $className) {
+                try {
+                    $refClass = new \ReflectionClass($controllersNamespace.$className);
+                    $methods = $refClass->getMethods(ReflectionMethod::IS_PUBLIC);
+                    foreach ($methods as $method) {
+                        $tags = $app->parseTagsFromComment($method->getDocComment());
+                        if (is_array($tags)) {
+                            if (array_key_exists('RouteRegExp', $tags)) {
+                                if (!array_key_exists('HttpMethod', $tags)) {
+                                    $tags['HttpMethod'] = ['GET'];
+                                }
+
+                                $this->addRoute($tags['RouteRegExp'], $method->class, $method->name, $tags['HttpMethod']);
+                            }
+                        }
+                    }
+                } catch (\ReflectionException $e) {
+                    var_dump($e);
+                }
+            }
+        }
+    }
+
+    /**
+     * Add route to array.
+     *
+     * @param string $regExp
+     * @param string $className
+     * @param string $classMethod
+     * @param array  $httpMethods
+     */
+    private function addRoute(string $regExp, string $className, string $classMethod, array $httpMethods)
+    {
+        foreach ($httpMethods as $httpMethod) {
+            $this->routes[strtoupper($httpMethod)][] = [$regExp, $className, $classMethod];
+        }
+    }
+
+    /**
+     * Run parse request.
+     */
+    private function run()
+    {
+        if (array_key_exists($_SERVER['REQUEST_METHOD'], $this->routes)) {
+            foreach ($this->routes[$_SERVER['REQUEST_METHOD']] as $route_array) {
+                if (preg_match($route_array[0], $_SERVER['REQUEST_URI'], $matches)) {
+                    $obj = new $route_array[1]();
+                    $param_arr = [];
+                    foreach ($matches as $key => $value) {
+                        if (!is_int($key)) {
+                            $param_arr[] = $value;
+                        }
+                    }
+                    call_user_func_array([$obj, $route_array[2]], $param_arr);
+                    break;
+                }
+            }
+        }
+    }
+}

src/core/View.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace MyApp\Core;
+
+class View
+{
+    /**
+     * @var string
+     */
+    public $title = '';
+
+    public function json($data)
+    {
+    }
+
+    public function render($template)
+    {
+        /* @var \App $app */
+        global $app;
+
+        $fileName = $app->config->getSrcDir().'/templates/'.$template.'.tpl.php';
+
+        if (file_exists($fileName)) {
+            ob_start();
+            require $fileName;
+            ob_end_flush();
+        }
+    }
+
+    /**
+     * @param string $title
+     *
+     * @return View
+     */
+    public function setTitle(string $title)
+    {
+        /* @var \App $app */
+        global $app;
+
+        $this->title = $title.' &mdash; '.$app->config->getSiteName();
+
+        return $this;
+    }
+}

src/templates/default/index.tpl.php

@@ -0,0 +1,3 @@
+<?php
+
+require __DIR__.'/../shared/head.php';

src/templates/shared/head.php

@@ -0,0 +1,18 @@
+<!doctype html>
+<html lang="ru-RU">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport"
+          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
+    <meta http-equiv="X-UA-Compatible" content="ie=edge">
+    <link rel="apple-touch-icon" sizes="180x180" href="/assets/img/favicon/apple-touch-icon.png">
+    <link rel="icon" type="image/png" sizes="32x32" href="/assets/img/favicon/favicon-32x32.png">
+    <link rel="icon" type="image/png" sizes="16x16" href="/assets/img/favicon/favicon-16x16.png">
+    <link rel="manifest" href="/site.webmanifest">
+    <link rel="mask-icon" href="/assets/img/favicon/safari-pinned-tab.svg" color="#5bbad5">
+    <meta name="msapplication-TileColor" content="#da532c">
+    <meta name="theme-color" content="#ffffff">
+    <link rel="stylesheet" href="/assets/css/normalize.css">
+    <link rel="stylesheet" href="/assets/css/style.css">
+    <title><?= $this->title; ?></title>
+</head>

src/views/DefaultView.php

@@ -0,0 +1,13 @@
+<?php
+
+namespace MyApp\View;
+
+use MyApp\Core\View;
+
+class DefaultView extends View
+{
+    public function index()
+    {
+        $this->setTitle('Index')->render('default/index');
+    }
+}