/**
* Restore multiple pages from "copy code".
*
* @param Page $page
* @param array $pageData
* @param bool|array $subpages
* @return array
* @throws Exception
*/
public static function restorePages(Page $page, array $pageData, $subpages)
{
// url => Page
$pages = array();
// Restore object
$p = new stdClass();
$p->data = $pageData;
$p->parent = null;
$p->page = $page;
// Flatten pages to restore
$pageDatas = array();
$stack = array($p);
while (count($stack)) {
$p = array_shift($stack);
foreach ($p->data['pages'] as $sub) {
$sp = new stdClass();
$sp->data = $sub;
$sp->parent = $p;
$sp->page = $p->page ? PageQuery::create()->childrenOf($p->page)->filterByName($sub['name'])->findOne() : null;
array_push($stack, $sp);
}
if (is_bool($subpages) || is_array($subpages) && in_array($p->data['id'], $subpages)) {
$pageDatas[$p->data['url']] = $p;
}
if ($subpages === false) {
break;
}
}
// Create pages
foreach ($pageDatas as $p) {
if (isset($pages[$p->data['url']])) {
continue;
}
if (!$p->page) {
$parent = $p->parent->page;
if (!$parent) {
throw new Exception('Parent page not found for page: ' . $p->data['name']);
}
$pp = new Page();
if (!PageQuery::create()->findOneByUid($p->data['uid'])) {
$pp->setUid($p->data['uid']);
}
$pp->insertAsLastChildOf($parent);
$pp->save();
$pp->setAutoName($p->data['name']);
$pp->save();
$p->page = $pp;
}
$pages[$p->data['url']] = $p->page;
}
// Rearrange pages depending on base page
$alreadyMoved = array();
foreach ($pageDatas as $url => $p) {
$basePage = $p->data['revision']['base_page'];
if ($basePage && isset($pageDatas[$basePage]) && !isset($alreadyMoved[$basePage])) {
$alreadyMoved[$basePage] = true;
ArrayHelper::insertBefore($pageDatas, array($basePage => $pageDatas[$basePage]), $url);
}
}
// Restore page data
foreach ($pageDatas as $p) {
self::restorePage($pages[$p->data['url']], $p->data, $pages);
}
return $pages;
}
