Your IP : 3.16.15.215
<?php
class CCourse
{
// 2012-04-17 Checked/modified for compatibility with new data model
final public static function GetList($arOrder = array(), $arFields = array(), $arNavParams = array())
{
// Lists only lesson-courses
$arFields = array_merge (array('>LINKED_LESSON_ID' => 0), $arFields);
foreach ($arOrder as $key => $value)
{
if (strtoupper($key) === 'ID')
{
$arOrder['COURSE_ID'] = $arOrder[$key];
unset ($arOrder[$key]);
}
}
// We must replace '...ID' => '...COURSE_ID', where '...' is some operation (such as '!', '<=', etc.)
foreach ($arFields as $key => $value)
{
// If key ends with 'ID'
if ((strlen($key) >= 2) && (strtoupper(substr($key, -2)) === 'ID'))
{
// And prefix before 'ID' doesn't contains letters
if ( ! preg_match ("/[a-zA-Z_]+/", substr($key, 0, -2)) )
{
$prefix = '';
if (strlen($key) > 2)
$prefix = substr($key, 0, -2);
$arFields[$prefix . 'COURSE_ID'] = $arFields[$key];
unset ($arFields[$key]);
}
}
}
$arFields['#REPLACE_COURSE_ID_TO_ID'] = true;
$res = CLearnLesson::GetList($arOrder, $arFields, array(), $arNavParams);
return ($res);
}
/**
* Gets id of lesson corresponded to given course
* @param integer id of course
* @throws LearnException with error bit set (one of):
* - LearnException::EXC_ERR_ALL_GIVEUP
* - LearnException::EXC_ERR_ALL_LOGIC
* @return integer/bool id of linked (corresponded) lesson or
* FALSE if there is no lesson corresponded to the course.
*/
final public static function CourseGetLinkedLesson ($courseId)
{
$arMap = CLearnLesson::GetCourseToLessonMap();
if ( ! isset($arMap['C' . $courseId]) )
{
return false;
}
// return id of corresponded lesson
return ($arMap['C' . $courseId]);
}
// 2012-04-17 Checked/modified for compatibility with new data model
function CheckFields($arFields, $ID = false)
{
global $DB;
$arMsg = array();
if ( (is_set($arFields, "NAME") || $ID === false) && strlen(trim($arFields["NAME"])) <= 0)
{
$arMsg[] = array("id"=>"NAME", "text"=> GetMessage("LEARNING_BAD_NAME"));
}
if (is_set($arFields, "ACTIVE_FROM") && strlen($arFields["ACTIVE_FROM"])>0 && (!$DB->IsDate($arFields["ACTIVE_FROM"], false, LANG, "FULL")))
{
$arMsg[] = array("id"=>"ACTIVE_FROM", "text"=> GetMessage("LEARNING_BAD_ACTIVE_FROM"));
}
if (is_set($arFields, "ACTIVE_TO") && strlen($arFields["ACTIVE_TO"])>0 && (!$DB->IsDate($arFields["ACTIVE_TO"], false, LANG, "FULL")))
{
$arMsg[] = array("id"=>"ACTIVE_TO", "text"=> GetMessage("LEARNING_BAD_ACTIVE_TO"));
}
if (is_set($arFields, "PREVIEW_PICTURE") && is_array($arFields["PREVIEW_PICTURE"]))
{
$error = CFile::CheckImageFile($arFields["PREVIEW_PICTURE"]);
if (strlen($error)>0)
{
$arMsg[] = array("id"=>"PREVIEW_PICTURE", "text"=> $error);
}
}
//Sites
if (
($ID === false && !is_set($arFields, "SITE_ID"))
||
(is_set($arFields, "SITE_ID"))
&&
(!is_array($arFields["SITE_ID"]) || empty($arFields["SITE_ID"]))
)
{
$arMsg[] = array("id"=>"SITE_ID[]", "text"=> GetMessage("LEARNING_BAD_SITE_ID"));
}
elseif (is_set($arFields, "SITE_ID"))
{
$tmp = "";
foreach($arFields["SITE_ID"] as $lang)
{
$res = CSite::GetByID($lang);
if(!$res->Fetch())
{
$tmp .= "'".$lang."' - ".GetMessage("LEARNING_BAD_SITE_ID_EX")."<br>";
}
}
if ($tmp!="") $arMsg[] = array("id"=>"SITE_ID[]", "text"=> $tmp);
}
if(!empty($arMsg))
{
$e = new CAdminException($arMsg);
$GLOBALS["APPLICATION"]->ThrowException($e);
return false;
}
return true;
}
// 2012-04-17 Checked/modified for compatibility with new data model
function Add($arFields)
{
global $DB;
if (is_set($arFields, "ACTIVE") && $arFields["ACTIVE"] != "Y")
$arFields["ACTIVE"] = "N";
if (is_set($arFields, "DETAIL_TEXT_TYPE") && $arFields["DETAIL_TEXT_TYPE"] != "html")
$arFields["DETAIL_TEXT_TYPE"] = "text";
if (is_set($arFields, "PREVIEW_TEXT_TYPE") && $arFields["PREVIEW_TEXT_TYPE"] != "html")
$arFields["PREVIEW_TEXT_TYPE"]="text";
if (is_set($arFields, "PREVIEW_PICTURE") && strlen($arFields["PREVIEW_PICTURE"]["name"])<=0 && strlen($arFields["PREVIEW_PICTURE"]["del"])<=0)
unset($arFields["PREVIEW_PICTURE"]);
if (is_set($arFields, "RATING") && !in_array($arFields["RATING"], Array("Y", "N")))
$arFields["RATING"] = "N";
if (is_set($arFields, "RATING_TYPE") && !in_array($arFields["RATING_TYPE"], Array("like", "standart_text", "like_graphic", "standart")))
$arFields["RATING_TYPE"] = NULL;
if($this->CheckFields($arFields))
{
unset($arFields["ID"]);
$arFieldsLesson = $arFields;
$arFieldsToUnset = array ('GROUP_ID', 'SITE_ID');
// Some fields mustn't be in unilesson
foreach ($arFieldsToUnset as $key => $value)
if (array_key_exists($value, $arFieldsLesson))
unset ($arFieldsLesson[$value]);
$lessonId = CLearnLesson::Add ($arFieldsLesson, $isCourse = true);
$ID = CLearnLesson::GetLinkedCourse ($lessonId);
if ($ID === false)
return (false);
//Sites
$str_LID = "''";
foreach($arFields["SITE_ID"] as $lang)
$str_LID .= ", '".$DB->ForSql($lang)."'";
$strSql = "DELETE FROM b_learn_course_site WHERE COURSE_ID=".$ID;
$DB->Query($strSql, false, "File: ".__FILE__."<br>Line: ".__LINE__);
$strSql =
"INSERT INTO b_learn_course_site(COURSE_ID, SITE_ID) ".
"SELECT ".$ID.", LID ".
"FROM b_lang ".
"WHERE LID IN (".$str_LID.") ";
$DB->Query($strSql, false, "File: ".__FILE__."<br>Line: ".__LINE__);
\Bitrix\Learning\Integration\Search::indexLesson($lessonId);
CLearnCacheOfLessonTreeComponent::MarkAsDirty();
return $ID;
}
return false;
}
// 2012-04-17 Checked/modified for compatibility with new data model
function Update($ID, $arFields)
{
global $DB;
$ID = intval($ID);
if ($ID < 1) return false;
if (is_set($arFields, "ACTIVE") && $arFields["ACTIVE"] != "Y")
$arFields["ACTIVE"] = "N";
if (is_set($arFields, "DESCRIPTION_TYPE") && $arFields["DESCRIPTION_TYPE"] != "html")
$arFields["DESCRIPTION_TYPE"] = "text";
if (is_set($arFields, "DETAIL_TEXT_TYPE") && $arFields["DETAIL_TEXT_TYPE"] != "html")
$arFields["DETAIL_TEXT_TYPE"] = "text";
if (is_set($arFields, "PREVIEW_TEXT_TYPE") && $arFields["PREVIEW_TEXT_TYPE"] != "html")
$arFields["PREVIEW_TEXT_TYPE"]="text";
if (is_set($arFields, "RATING") && !in_array($arFields["RATING"], Array("Y", "N")))
$arFields["RATING"] = NULL;
if (is_set($arFields, "RATING_TYPE") && !in_array($arFields["RATING_TYPE"], Array("like", "standart_text", "like_graphic", "standart")))
$arFields["RATING_TYPE"] = NULL;
$lessonId = self::CourseGetLinkedLesson ($ID);
if ($this->CheckFields($arFields, $ID) && $lessonId !== false)
{
if (array_key_exists('ID', $arFields))
unset($arFields["ID"]);
$arFieldsLesson = $arFields;
$arFieldsToUnset = array ('GROUP_ID', 'SITE_ID');
foreach ($arFieldsToUnset as $key => $value)
if (array_key_exists($value, $arFieldsLesson))
unset ($arFieldsLesson[$value]);
//Sites
if(is_set($arFields, "SITE_ID"))
{
$str_LID = "''";
foreach($arFields["SITE_ID"] as $lang)
$str_LID .= ", '".$DB->ForSql($lang)."'";
$strSql = "DELETE FROM b_learn_course_site WHERE COURSE_ID=".$ID;
$DB->Query($strSql, false, "File: ".__FILE__."<br>Line: ".__LINE__);
$strSql =
"INSERT INTO b_learn_course_site(COURSE_ID, SITE_ID) ".
"SELECT ".$ID.", LID ".
"FROM b_lang ".
"WHERE LID IN (".$str_LID.") ";
$DB->Query($strSql, false, "File: ".__FILE__."<br>Line: ".__LINE__);
}
CLearnLesson::Update($lessonId, $arFieldsLesson);
global $CACHE_MANAGER;
$CACHE_MANAGER->ClearByTag('LEARN_COURSE_'.$ID);
return true;
}
return false;
}
// 2012-04-17 Checked/modified for compatibility with new data model
/**
* Removes course (as node, not recursively)
*/
function Delete($ID)
{
global $DB;
$ID = intval($ID);
if ($ID < 1)
return false;
$lessonId = CCourse::CourseGetLinkedLesson($ID);
if ($lessonId === false)
{
return false;
}
CLearnLesson::Delete($lessonId);
return true;
}
public function IsCertificatesExists($courseId)
{
// Check certificates (if exists => forbid removing course)
$certificate = CCertification::GetList(Array(), Array("COURSE_ID" => $courseId, 'CHECK_PERMISSIONS' => 'N'));
if ( ($certificate === false) || ($certificate->GetNext()) )
return true;
else
return false;
}
// 2012-04-17 Checked/modified for compatibility with new data model
function GetByID($ID)
{
return CCourse::GetList(Array(),Array("ID" => $ID));
}
// 2012-04-17 Checked/modified for compatibility with new data model
function GetGroupPermissions($COURSE_ID)
{
$linkedLessonId = CCourse::CourseGetLinkedLesson($COURSE_ID);
$arGroupPermissions = CLearnAccess::GetSymbolsAccessibleToLesson ($linkedLessonId, CLearnAccess::OP_LESSON_READ);
return ($arGroupPermissions);
}
// 2012-04-17 Checked/modified for compatibility with new data model
function GetSite($COURSE_ID)
{
global $DB;
$strSql = "SELECT L.*, CS.* FROM b_learn_course_site CS, b_lang L WHERE L.LID=CS.SITE_ID AND CS.COURSE_ID=".intval($COURSE_ID);
return $DB->Query($strSql, false, "File: ".__FILE__."<br>Line: ".__LINE__);
}
function GetSiteId($COURSE_ID)
{
global $DB;
$strSql = "SELECT SITE_ID FROM b_learn_course_site WHERE COURSE_ID=" . ((int) $COURSE_ID);
$rc = $DB->Query($strSql, true);
if ($rc === false)
throw new LearnException ('EA_SQLERROR', LearnException::EXC_ERR_ALL_GIVEUP);
$row = $rc->Fetch();
if ( ! isset($row['SITE_ID']) )
throw new LearnException ('EA_NOT_EXISTS', LearnException::EXC_ERR_ALL_NOT_EXISTS);
return ($row['SITE_ID']);
}
public static function GetSitePathes($siteId, $in_type = 'U')
{
global $DB;
$in_type = strtoupper($in_type);
switch ($in_type)
{
case 'L':
case 'C':
case 'H':
case 'U':
$type = $DB->ForSql($in_type);
break;
default:
throw new LearnException ('EA_PARAMS', LearnException::EXC_ERR_ALL_PARAMS);
break;
}
$strSql =
"SELECT TSP.PATH
FROM b_learn_site_path TSP
WHERE TSP.SITE_ID='" . $DB->ForSql($siteId) . "' AND TSP.TYPE = '" . $type . "'";
$rc = $DB->Query($strSql, true);
if ($rc === false)
throw new LearnException ('EA_SQLERROR', LearnException::EXC_ERR_ALL_GIVEUP);
$arPathes = array();
while ($row = $rc->Fetch())
$arPathes[] = $row['PATH'];
return ($arPathes);
}
// 2012-04-17 Checked/modified for compatibility with new data model
function MkOperationFilter($key)
{
// refactored: body of function moved to CLearnHelper class
return (CLearnHelper::MkOperationFilter($key));
}
// 2012-04-17 Checked/modified for compatibility with new data model
function FilterCreate($fname, $vals, $type, &$bFullJoin, $cOperationType=false, $bSkipEmpty = true)
{
// refactored: body of function moved to CLearnHelper class
return (CLearnHelper::FilterCreate($fname, $vals, $type, $bFullJoin, $cOperationType, $bSkipEmpty));
}
// 2012-04-18 Checked/modified for compatibility with new data model
function GetCourseContent(
$COURSE_ID,
$arAddSelectFileds = array("DETAIL_TEXT", "DETAIL_TEXT_TYPE", "DETAIL_PICTURE"),
$arSelectFields = array()
)
{
global $DB;
$COURSE_ID = intval($COURSE_ID);
$CACHE_ID = ((string) $COURSE_ID) . sha1(serialize($arSelectFields));
if ( ! (
array_key_exists($CACHE_ID, $GLOBALS["LEARNING_CACHE_COURSE"])
&& is_array($GLOBALS["LEARNING_CACHE_COURSE"][$CACHE_ID])
)
)
{
$oTree = CLearnLesson::GetTree(
CCourse::CourseGetLinkedLesson($COURSE_ID),
array(
'EDGE_SORT' => 'asc'
),
array(
'ACTIVE' => 'Y',
'CHECK_PERMISSIONS' => 'N'
),
true, // $publishProhibitionMode,
$arSelectFields
);
$arTree = $oTree->GetTreeAsListOldMode();
$GLOBALS["LEARNING_CACHE_COURSE"][$CACHE_ID] = $arTree;
}
$r = new CDBResult();
$r->InitFromArray($GLOBALS["LEARNING_CACHE_COURSE"][$CACHE_ID]);
return $r;
}
// Handlers:
// 2012-04-17 Checked/modified for compatibility with new data model
function OnGroupDelete($GROUP_ID)
{
global $DB;
$rc = $DB->Query("DELETE FROM b_learn_rights WHERE SUBJECT_ID='G" . (int) $GROUP_ID . "'", true)
&& $DB->Query("DELETE FROM b_learn_rights_all WHERE SUBJECT_ID='G" . (int) $GROUP_ID . "'", true);
CLearnCacheOfLessonTreeComponent::MarkAsDirty();
return ($rc);
}
// 2012-04-17 Checked/modified for compatibility with new data model
function OnBeforeLangDelete($lang)
{
global $APPLICATION;
$r = CCourse::GetList(array(), array("SITE_ID"=>$lang));
$bAllowDelete = true;
// Is any data exists for this site?
if ($r->Fetch())
$bAllowDelete = false;
if ( ! $bAllowDelete )
$APPLICATION->ThrowException(GetMessage('LEARNING_PREVENT_LANG_REMOVE'));
return ($bAllowDelete);
}
// 2012-04-17 Checked/modified for compatibility with new data model
function OnUserDelete($user_id)
{
return CStudent::Delete($user_id);
}
// 2012-04-17 Checked/modified for compatibility with new data model
function TimeToStr($seconds)
{
$str = "";
$seconds = intval($seconds);
if ($seconds <= 0)
return $str;
$days = intval($seconds/86400);
if ($days>0)
{
$str .= $days." ".GetMessage("LEARNING_DAYS")." ";
$seconds = $seconds - $days*86400;
}
$hours = intval($seconds/3600);
if ($hours>0)
{
$str .= $hours." ".GetMessage("LEARNING_HOURS")." ";
$seconds = $seconds - $hours*3600;
}
$minutes = intval($seconds/60);
if ($minutes>0)
{
$str .= $minutes." ".GetMessage("LEARNING_MINUTES")." ";
$seconds = $seconds - $minutes*60;
}
$str .= ($seconds%60)." ".GetMessage("LEARNING_SECONDS");
return $str;
}
// provided compatibility to new data model at 04.05.2012
function OnSearchReindex($nextStep = [], $callbackObject = null, $callbackMethod = "")
{
return Bitrix\Learning\Integration\Search::handleReindex($nextStep, $callbackObject, $callbackMethod);
}
function _Upper($str)
{
return $str;
}
// Functions below are for temporary backward compatibility, don't relay on it!
/**
* Stupid stub
*
* @deprecated this code can be removed at any time without any notice
*/
public static function SetPermission ($param1, $param2)
{
return;
}
/**
* Simple proxy
*
* @deprecated this code can be removed at any time without any notice
* @return character 'D', 'R', 'W' or 'X'
*/
public static function GetPermission ($courseId)
{
global $USER;
static $accessMatrix = false;
$courseId = (int) $courseId;
if ( ! ($courseId > 0) )
return ('D'); // access denied
$linkedLessonId = CCourse::CourseGetLinkedLesson($courseId);
if ( ! ($linkedLessonId > 0) )
return ('D'); // some troubles, access denied
$oAccess = CLearnAccess::GetInstance($USER->GetID());
if ($accessMatrix === false)
{
$accessMatrix = array(
// full access
'X' => CLearnAccess::OP_LESSON_READ
| CLearnAccess::OP_LESSON_CREATE
| CLearnAccess::OP_LESSON_WRITE
| CLearnAccess::OP_LESSON_REMOVE
| CLearnAccess::OP_LESSON_LINK_TO_PARENTS
| CLearnAccess::OP_LESSON_UNLINK_FROM_PARENTS
| CLearnAccess::OP_LESSON_LINK_DESCENDANTS
| CLearnAccess::OP_LESSON_UNLINK_DESCENDANTS
| CLearnAccess::OP_LESSON_MANAGE_RIGHTS,
// write access
'W' => CLearnAccess::OP_LESSON_READ
| CLearnAccess::OP_LESSON_CREATE
| CLearnAccess::OP_LESSON_WRITE
| CLearnAccess::OP_LESSON_REMOVE,
// read-only access
'R' => CLearnAccess::OP_LESSON_READ
);
}
foreach ($accessMatrix as $oldAccessSymbol => $operations)
{
if ($oAccess->IsBaseAccess($operations)
|| $oAccess->IsLessonAccessible($linkedLessonId, $operations)
)
{
return ($oldAccessSymbol);
}
}
// by default, access denied
return ('D');
}
}