router.php

<?php

// global vars
$basepath = ""; // ex: "/app"
$request = $_SERVER['REQUEST_URI'];
$request = explode('?', $request)[0];
$request = str_replace($basepath, '', $request);

define('ROOT', __DIR__);

// load all files in functions folder
$functions = glob(dirname(__FILE__) . '/includes/functions/*.php');

foreach ($functions as $function) {
    require_once $function;
}

// generate canonical link of the requested page

const CANONICAL_QUERY_STRINGS = ['seed'];

$protocol = ((!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] != 'off') || $_SERVER['SERVER_PORT'] == 443) ? "https://" : "http://";
$url = $protocol . $_SERVER['HTTP_HOST'] . $request;
$queryStrings = explode('&', $_SERVER['QUERY_STRING']);
$canonicalQueryStrings = [];

foreach ($queryStrings as $key => $queryString) {
    $queryString = explode('=', $queryString);
    if (in_array($queryString[0], CANONICAL_QUERY_STRINGS)) {
        $canonicalQueryStrings[] = $queryString[0] . '=' . $queryString[1];
    }
}

$canonical = $url . "?hl=fr" . (sizeof($canonicalQueryStrings) > 0 ? "&" . implode('&', $canonicalQueryStrings) : '');


// ON LANCE LA SESSION
session_start();
// ON INCLUT LE FICHIER DE CONFIGURATION QUI CONNECTE SI ON A UN COOKIE DE CONNEXION TROUVÉ
require_once './includes/conf.php';


function loadAsset($page, $type)
{
    global $basepath;
    if ($type == 'css' && file_exists("src/styles/pages/" . $page . ".css")) {
        return "<link rel=\"stylesheet\" href=\"$basepath/src/styles/pages/" . $page . ".css?v=" . md5_file("src/styles/pages/" . $page . ".css") . "\">";
    }
    if ($type == 'js' && file_exists("src/scripts/pages/" . $page . ".js")) {
        return "<script src=\"$basepath/src/scripts/pages/" . $page . ".js?v=" . md5_file("src/scripts/pages/" . $page . ".js") . "\" defer></script>";
    }
    return "";
}

function loadPage($page, $with_head = true, $handler = false)
{

    include_once "includes/classes/search.class.php";

    global $basepath, $og, $canonical;
    $path =  ($handler ? "handler" : "pages") . DIRECTORY_SEPARATOR . $page . ".php";
    $headPath = ($handler ? "handler" : "pages") . DIRECTORY_SEPARATOR . $page . ".head.php";
    if (file_exists($path)) {
        if ($with_head) {
            $appendHead = loadAsset($page, 'css');
            $externalHeadFile = file_exists($headPath) ? $headPath : false;
            include "includes/head.php";
            require "includes/components/nav.php";
        }
        include($path);
        if ($with_head) {
            $appendBody = loadAsset($page, 'js');
            include "includes/endbody.php";
        }
    }
}

switch ($request) {
    case "/": // acceuil du site
        $og = (object) [
            "title" => "Thesesviz - Acceuil",
            "description" => "Thesesviz - Acceuil"
        ];
        loadPage("home");
        break;

    case "/q": // query (search)
        $og = (object) [
            "title" => "Recherche de thèse",
            "description" => "Recherchez les thèses de doctorat en France"
        ];
        loadPage("search");
        break;

    case "/import":
        $og = (object) [
            "title" => "Import des thèses",
            "description" => "Import des thèses"
        ];
        loadPage("import");
        break;

    case "/reporting":
        $og = (object) [
            "title" => "Reporting du projet",
            "description" => "Reporting du projet"
        ];
        loadPage("reporting");
        break;

    case "/about":
        $og = (object) [
            "title" => "À propos du projet",
            "description" => "Informations à propos du projet"
        ];
        loadPage("about");
        break;

    case "/login":
        $og = (object) [
            "title" => "Connexion utilisateur",
            "description" => "Connexion utilisateur à l'application Thesesviz"
        ];
        loadPage("login");
        break;

    case "/logout": // page de déconnexion
        $og = (object) [
            "title" => "Déonnexion",
            "description" => "Déconnexion"
        ];
        loadPage("logout", false);
        break;

        // un case vers la page de profil de l'utilisateur (.com/profile/{pseudo})
    case preg_match('/^\/profile\/[a-zA-Z0-9_]{3,15}$/', $request) ? true : false:
        $request = $_SERVER['REQUEST_URI'];
        $og = (object) [
            "title" => substr($request, 9) . " - Profil",
            "description" => "Profil de " . substr($request, 9)
        ];
        loadPage("profile");
        break;

        // un case vers la page de paramètres du compte de l'utilisateur (.com/profile/{pseudo}/settings)
    case isset($_SESSION['auth']['pseudo']) ? "/profile/" . $_SESSION['auth']['pseudo'] . "/settings" : "/profile/settings": // page de paramètres du compte
        $og = (object) [
            "title" => isset($_SESSION['auth']['pseudo']) ? $_SESSION['auth']['pseudo'] . " - Paramètres du compte" : "",
            "description" => isset($_SESSION['auth']['pseudo']) ? "Paramètres du compte de " . $_SESSION['auth']['pseudo'] : ""
        ];
        loadPage("profile");
        break;

        // un case vers la page de paramètres du compte de l'utilisateur (.com/profile/{pseudo}/alerts)
    case isset($_SESSION['auth']['pseudo']) ? "/profile/" . $_SESSION['auth']['pseudo'] . "/alerts" : "/profile/alerts": // page de paramètres du compte
        $og = (object) [
            "title" => isset($_SESSION['auth']['pseudo']) ? $_SESSION['auth']['pseudo'] . " - Paramètres du compte" : "",
            "description" => isset($_SESSION['auth']['pseudo']) ? "Paramètres du compte de " . $_SESSION['auth']['pseudo'] : ""
        ];
        loadPage("profile");
        break;

    case "/auth": // page d'autentification
        $og = (object) [
            "title" => "Authentification",
            "description" => "Page d'authentification"
        ];
        loadPage("auth", false);
        break;

    case "/editAccount": // Gestion de la modification des paramètres du compte
        $og = (object) [
            "title" => "Gestion de la modification des paramètres du compte",
            "description" => "Gestion de la modification des paramètres du compte"
        ];
        loadPage("editAccount", false, true);
        break;

    case "/ajax/search":
        include "includes/ajax/search.php";
        break;

    case "/404":
        $og = (object) [
            "title" => "",
            "description" => ""
        ];
        loadPage("404");
        break;

    default:
        http_response_code(404);
        loadPage("404");
        return false;
}