function main($path)
{
    $db = new Database();
    if (!$db->connect()) {
        exit_with_error('DatabaseConnectionFailure');
    }
    if (count($path) > 1) {
        exit_with_error('InvalidRequest');
    }
    $build_requests_fetcher = new BuildRequestsFetcher($db);
    if (count($path) > 0 && $path[0]) {
        $group_id = intval($path[0]);
        $group = $db->select_first_row('analysis_test_groups', 'testgroup', array('id' => $group_id));
        if (!$group) {
            exit_with_error('GroupNotFound', array('id' => $group_id));
        }
        $test_groups = array($group);
        $build_requests_fetcher->fetch_for_group($group_id);
    } else {
        $task_id = array_get($_GET, 'task');
        if (!$task_id) {
            exit_with_error('TaskIdNotSpecified');
        }
        $test_groups = $db->select_rows('analysis_test_groups', 'testgroup', array('task' => $task_id));
        if (!is_array($test_groups)) {
            exit_with_error('FailedToFetchTestGroups');
        }
        $build_requests_fetcher->fetch_for_task($task_id);
    }
    if (!$build_requests_fetcher->has_results()) {
        exit_with_error('FailedToFetchBuildRequests');
    }
    $test_groups = array_map("format_test_group", $test_groups);
    $group_by_id = array();
    foreach ($test_groups as &$group) {
        $group_id = $group['id'];
        $group_by_id[$group_id] =& $group;
        $platforms = $db->query_and_fetch_all('SELECT DISTINCT(config_platform)
            FROM test_configurations, test_runs, build_requests
            WHERE run_config = config_id AND run_build = request_build AND request_group = $1', array($group_id));
        if ($platforms) {
            $group['platform'] = $platforms[0]['config_platform'];
        }
    }
    $build_requests = $build_requests_fetcher->results();
    foreach ($build_requests as $request) {
        $request_group =& $group_by_id[$request['testGroup']];
        array_push($request_group['buildRequests'], $request['id']);
        array_push($request_group['rootSets'], $request['rootSet']);
    }
    exit_with_success(array('testGroups' => $test_groups, 'buildRequests' => $build_requests, 'rootSets' => $build_requests_fetcher->root_sets(), 'roots' => $build_requests_fetcher->roots()));
}