function OnSearchReindex($NS = array(), $oCallback = null, $callback_method = '')
{
global $DB;
$arResult = array();
$arAllSitesPathes = array();
$oPath = new CLearnPath();
$elementStartId = 0;
$indexElementType = 'C';
// start reindex from courses
$by = $order = '';
$lastProcessedCourseId = false;
$sites = CLang::GetList($by, $order, array('TYPE' => 'C'));
while ($site = $sites->Fetch()) {
$arAllSitesPathes[$site['LID']] = array('C' => CCourse::GetSitePathes($site['LID'], 'C'), 'H' => CCourse::GetSitePathes($site['LID'], 'H'), 'L' => CCourse::GetSitePathes($site['LID'], 'L'));
}
$arCoursesFilter = array();
$arLessonsFilter = array('LINKED_LESSON_ID' => '');
if ($NS['MODULE'] === 'learning' && strlen($NS['ID']) > 0) {
$indexElementType = substr($NS['ID'], 0, 1);
$elementStartId = (int) substr($NS['ID'], 1);
if (strlen($NS['SITE_ID']) > 0) {
$arCoursesFilter['SITE_ID'] = $NS['SITE_ID'];
}
}
$arCoursesFilter['>ID'] = $elementStartId;
if ($indexElementType === 'C') {
$rsCourse = CCourse::GetList(array('ID' => 'ASC'), $arCoursesFilter);
while ($arCourse = $rsCourse->Fetch()) {
try {
$arCourse["SITE_ID"] = CCourse::GetSiteId($arCourse['ID']);
$arPathes = $arAllSitesPathes[$arCourse['SITE_ID']]['C'];
$linkedLessonId = CCourse::CourseGetLinkedLesson($arCourse['ID']);
$arGroupPermissions = CLearnAccess::GetSymbolsAccessibleToLesson($linkedLessonId, CLearnAccess::OP_LESSON_READ);
} catch (LearnException $e) {
continue;
// skip indexation of this item
}
$arSiteIds = array();
foreach ($arPathes as $k => $path) {
$arCourse["PATH"] = $path;
$Url = str_replace("#COURSE_ID#", $arCourse["ID"], $arCourse["PATH"]);
$arSiteIds[$arCourse['SITE_ID']] = $Url;
}
$lastProcessedCourseId = $arCourse['ID'];
$detailText = '';
if ($arCourse["DETAIL_TEXT_TYPE"] !== 'text') {
$detailText = CSearch::KillTags($arCourse['DETAIL_TEXT']);
} else {
$detailText = strip_tags($arCourse['DETAIL_TEXT']);
}
$dataBody = '';
if (strlen($detailText) > 0) {
$dataBody = $detailText;
} else {
$dataBody = $arCourse['NAME'];
}
$Result = array("ID" => "C" . $arCourse["ID"], "LAST_MODIFIED" => $arCourse["TIMESTAMP_X"], "TITLE" => $arCourse["NAME"], "BODY" => $dataBody, "SITE_ID" => $arSiteIds, "PERMISSIONS" => $arGroupPermissions, "COURSE_ID" => "C" . $arCourse["ID"]);
if ($oCallback) {
$res = call_user_func(array($oCallback, $callback_method), $Result);
if (!$res) {
return "C" . $arCourse["ID"];
}
} else {
$arResult[] = $Result;
}
}
// Reindex of courses finished. Let's reindex lessons now.
$indexElementType = 'U';
$elementStartId = 0;
}
$arLessonsFilter['>LESSON_ID'] = $elementStartId;
if ($indexElementType === 'U') {
$rsLessons = CLearnLesson::GetList(array('LESSON_ID' => 'ASC'), $arLessonsFilter);
$arLessonsWithCourse = array();
// list of lessons in context of some course
while ($arLesson = $rsLessons->Fetch()) {
$arOParentPathes = CLearnLesson::GetListOfParentPathes($arLesson['LESSON_ID']);
foreach ($arOParentPathes as $oParentPath) {
$mostParentLesson = $oParentPath->GetTop();
$linkedCourseId = CLearnLesson::GetLinkedCourse($mostParentLesson);
if ($linkedCourseId !== false) {
$arLessonsWithCourse[] = array_merge($arLesson, array('PARENT_COURSE_ID' => $linkedCourseId));
}
}
}
foreach ($arLessonsWithCourse as $arLesson) {
try {
$arGroupPermissions = CLearnAccess::GetSymbolsAccessibleToLesson($arLesson['LESSON_ID'], CLearnAccess::OP_LESSON_READ);
$arSiteIds = array();
$lessonType = 'L';
if ($arLesson['IS_CHILDS']) {
$lessonType = 'H';
}
foreach ($arAllSitesPathes as $siteId => $arSitePathesByLessonType) {
foreach ($arSitePathesByLessonType as $someLessonType => $arPathes) {
// skip wrong types of lessons
if ($lessonType !== $someLessonType) {
continue;
}
foreach ($arPathes as $k => $path) {
$oPath->SetPath($arLesson['LESSON_ID']);
if ($lessonType == 'H') {
$Url = str_replace("#CHAPTER_ID#", '0' . $arLesson['LESSON_ID'], $path);
} else {
$Url = str_replace("#LESSON_ID#", $arLesson['LESSON_ID'], $path);
}
$Url = str_replace("#COURSE_ID#", $arLesson['PARENT_COURSE_ID'], $Url);
$arSiteIds[$siteId] = $Url;
}
}
}
} catch (LearnException $e) {
continue;
// skip indexation of this item
}
$detailText = '';
if ($arLesson["DETAIL_TEXT_TYPE"] !== 'text') {
$detailText = CSearch::KillTags($arLesson['DETAIL_TEXT']);
} else {
$detailText = strip_tags($arLesson['DETAIL_TEXT']);
}
$dataBody = '';
if (strlen($detailText) > 0) {
$dataBody = $detailText;
} else {
$dataBody = $arLesson['NAME'];
}
$Result = array("ID" => 'U' . $arLesson['LESSON_ID'], "LAST_MODIFIED" => $arLesson['TIMESTAMP_X'], "TITLE" => $arLesson['NAME'], "BODY" => $dataBody, "SITE_ID" => $arSiteIds, "PERMISSIONS" => $arGroupPermissions);
if ($oCallback) {
$res = call_user_func(array($oCallback, $callback_method), $Result);
if (!$res) {
return 'U' . $arLesson['LESSON_ID'];
}
} else {
$arResult[] = $Result;
}
}
}
if ($oCallback) {
$rc = false;
} else {
$rc = $arResult;
}
return $rc;
}
