public static function getUserLibraries($userID)
{
return array_merge(array(Zotero_Users::getLibraryIDFromUserID($userID)), Zotero_Groups::getUserGroupLibraries($userID));
}
/**
* Calculate the difference between two sets of permissions,
* taking all-group access into account
*/
private function permissionsDiff($permissions1, $permissions2, $userID)
{
$diff = [];
$userGroupLibraries = Zotero_Groups::getUserGroupLibraries($userID);
foreach ($permissions2 as $libraryID => $libraryPermissions) {
if (!$libraryPermissions['library']) {
continue;
}
if (empty($permissions1[$libraryID]['library'])) {
// If second set has a 0 (all-group access), diff is user's groups not
// explicitly listed in first set
if ($libraryID === 0) {
$diff = array_merge($diff, array_filter($userGroupLibraries, function ($libraryID) use($permissions1) {
return empty($permissions1[$libraryID]['library']);
}));
} else {
$libraryType = Zotero_Libraries::getType($libraryID);
if ($libraryType == 'user' || $libraryType == 'group' && empty($permissions1[0]['library'])) {
$diff[] = $libraryID;
}
}
}
}
return $diff;
}