index.php

<?php

declare(strict_types=1);
require __DIR__ . '/vendor/autoload.php';

$dispatcher = FastRoute\simpleDispatcher(function(FastRoute\RouteCollector $r) {
    $r->addRoute('POST', '/push-subscription', 'subscription_handler');
    $r->addRoute('PUT', '/push-subscription', 'subscription_handler');
    $r->addRoute('DELETE', '/push-subscription', 'subscription_handler');
    $r->addRoute('POST', '/test-notification', 'test_notification_handler');
    $r->addRoute('POST', '/add-research', 'add_research_handler');
    $r->addRoute('POST', '/get-announcements', 'get_announcements_handler');
    $r->addRoute('POST', '/delete-research', 'delete_research_handler');
    $r->addRoute('POST', '/delete-announcement', 'delete_announcement_handler');
    $r->addRoute('POST', '/get-researches', 'get_researches_handler');
    $r->addRoute('GET', '/get-location', 'get_location_handler');
});

// Fetch method and URI from somewhere
$httpMethod = $_SERVER['REQUEST_METHOD'];
$uri = $_SERVER['REQUEST_URI'];

// Strip query string (?foo=bar) and decode URI
if (false !== $pos = strpos($uri, '?')) {
    $uri = substr($uri, 0, $pos);
}
$uri = rawurldecode($uri);

$routeInfo = $dispatcher->dispatch($httpMethod, $uri);
switch ($routeInfo[0]) {
    case FastRoute\Dispatcher::NOT_FOUND:
        // ... 404 Not Found
        break;
    case FastRoute\Dispatcher::METHOD_NOT_ALLOWED:
        $allowedMethods = $routeInfo[1];
        // ... 405 Method Not Allowed
        break;
    case FastRoute\Dispatcher::FOUND:
        $handler = $routeInfo[1];
        $vars = $routeInfo[2];
        call_user_func_array($handler, $vars);
        break;
}

function test_notification_handler(){
    require __DIR__.'/server/service/test_notification.php';
    return;
}

function subscription_handler(){
    require __DIR__.'/server/service/push_subscription.php';
    return;
}

function add_research_handler(){
    require __DIR__.'/server/service/add_research.php';
    return;
}

function get_announcements_handler(){
    require __DIR__.'/server/service/get_announcements.php';
    return;
}

function delete_research_handler(){
    require __DIR__.'/server/service/delete_research.php';
    return;
}

function delete_announcement_handler(){
    require __DIR__.'/server/service/delete_announcement.php';
    return;
}

function get_researches_handler(){
    require __DIR__.'/server/service/get_researches.php';
    return;
}

function test_cron_handler(){
    require __DIR__.'/server/service/check_updates.php';
    return;
}

function get_location_handler(){
    require __DIR__.'/server/service/get_location.php';
    return;
}