tp2 10-11

BackEnd/tp2/DatabaseConnector.php

+<?php
+
+class DatabaseConnector {
+
+    protected static $pdo = NULL;
+
+    public static function current(){
+       if(is_null(static::$pdo))
+          static::createPDO();
+
+       return static::$pdo;
+    }
+
+    protected static function createPDO() {
+        // $db = new PDO("sqlite::memory");
+
+        $connectionString = "mysql:host=". DB_HOST;
+
+        if(defined('DB_PORT'))
+            $connectionString .= ";port=". DB_PORT;
+
+        $connectionString .= ";dbname=" . DB_DATABASE;
+
+        static::$pdo = new PDO($connectionString,DB_USERNAME,DB_PASSWORD);
+        static::$pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
+    }
+}
\ No newline at end of file

BackEnd/tp2/UserModel.php

+<?php
+
+    class UserModel
+    {
+        public static function getAllUsers() {
+            $DB = DatabaseConnector::current();
+            $request = $DB->prepare("select * from users");
+            $request->execute();
+            $request->setFetchMode(PDO::FETCH_CLASS, get_called_class());
+            $users = $request->fetchAll();
+            return $users;
+
+        }
+    }
\ No newline at end of file

BackEnd/tp2/UsersController.php

+<?php
+
+class UsersController {
+
+    private $requestMethod;
+
+    public function __construct($requestMethod)
+    {
+        $this->requestMethod = $requestMethod;
+    }
+
+    public function processRequest()
+    {
+        switch ($this->requestMethod) {
+            case 'GET':
+                $response = $this->getAllUsers();
+                break;
+            default:
+                $response = $this->notFoundResponse();
+                break;
+        }
+        header($response['status_code_header']);
+        if ($response['body']) {
+            echo $response['body'];
+        }
+    }
+
+    private function getAllUsers()
+    {
+        $tab_users = UserModel::getAllUsers();
+        $response['status_code_header'] = http_response_code(200);
+        $response['body'] = json_encode($tab_users);
+        return $response;
+    }
+
+    private function notFoundResponse()
+    {
+        $response['status_code_header'] = 'HTTP/1.1 404 Not Found';
+        $response['body'] = null;
+        return $response;
+    }
+}
+

BackEnd/tp2/api.php

+<?php
+require "bootstrap.php";
+
+// https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Access-Control-Allow-Origin
+header("Access-Control-Allow-Origin: *");
+
+header("Content-Type: application/json; charset=UTF-8");
+
+// https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Access-Control-Allow-Methods
+header("Access-Control-Allow-Methods: GET,POST,PUT,DELETE");
+
+header("Access-Control-Max-Age: 3600"); // Maximum number of seconds the results can be cached.
+
+// https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Access-Control-Allow-Headers
+header("Access-Control-Allow-Headers: Content-Type, Access-Control-Allow-Headers, Authorization, X-Requested-With");
+
+function getRoute($url){
+
+    $url = trim($url, '/');
+    $urlSegments = explode('/', $url);
+
+    $scheme = ['controller', 'params'];
+    $route = [];
+
+    foreach ($urlSegments as $index => $segment){
+        if ($scheme[$index] == 'params'){
+            $route['params'] = array_slice($urlSegments, $index);
+            break;
+        } else {
+            $route[$scheme[$index]] = $segment;
+        }
+    }
+
+    return $route;
+}
+
+// $uri = parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH);
+$uri = parse_url($_SERVER['REQUEST_URI'], PHP_URL_QUERY);
+$route = getRoute($uri);
+
+$requestMethod = $_SERVER["REQUEST_METHOD"];
+
+$controllerName = $route['controller'];
+
+switch($controllerName) {
+    case 'users' :
+        // GET api.php?/users
+        // POST api.php?/users
+        $controller = new UsersController($requestMethod);
+        break;
+    default :
+        header("HTTP/1.1 404 Not Found");
+        exit();
+}
+
+$controller->processRequest();
\ No newline at end of file

BackEnd/tp2/bootstrap.php

+<?php
+
+require "config.php";
+
+// simplest auto loader cf. doc PHP
+// we will revisit that later
+spl_autoload_register(function ($class_name) {
+    $classFile = $class_name . '.php';
+    include $classFile;
+});
\ No newline at end of file

BackEnd/tp2/config.php

+<?php
+define('DB_HOST','127.0.0.1');
+define('DB_PORT',3306);
+define('DB_DATABASE','dbtest');
+define('DB_USERNAME','root');
+define('DB_PASSWORD','');
+
+// define('__DEBUG', false);
+define('__DEBUG', true);
+
+
+// ================================================================================
+// Debug utilities
+// ================================================================================
+
+if(__DEBUG) {
+    error_reporting(E_ALL);
+    ini_set("display_errors", E_ALL);
+} else {
+    error_reporting(0);
+    ini_set("display_errors", 0);
+}
+
+function myLog($msg) {
+    if(__DEBUG) {
+        echo $msg;
+    }
+}
+
+function myDump($var) {
+    if(__DEBUG) {
+        var_dump($var);
+    }
+}
\ No newline at end of file