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Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/main/inc/lib/surveymanager.lib.php

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<?php // $Id: usermanager.lib.php,v 1.9.2.3 2005/10/28 14:31:45 bmol Exp $
/*
==============================================================================
Dokeos - elearning and course management software
Copyright (c) 2004-2008 Dokeos SPRL
Copyright (c) 2003 Ghent University (UGent)
Copyright (c) 2001 Universite catholique de Louvain (UCL)
Copyright (c) various contributors
For a full list of contributors, see "credits.txt".
The full license can be read in "license.txt".
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
See the GNU General Public License for more details.
Contact: Dokeos, rue du Corbeau, 108, B-1030 Brussels, Belgium, info@dokeos.com
==============================================================================
*/
/**
==============================================================================
* This library provides functions for user management.
* Include/require it in your code to use its functionality.
*
* @author Bart Mollet, main author
* @package dokeos.library
==============================================================================
*/
class SurveyManager {
private function __construct() {
}
/**
* Creates a new survey for the platform
* Possible deprecated method
*/
public static function select_survey_list ($seleced_surveyid='', $extra_script='') {
$survey_table = Database :: get_course_table(TABLE_SURVEY);
$sql = "SELECT * FROM $survey_table";// WHERE is_shared='1'";
$sql_result = api_sql_query($sql,__FILE__,__LINE__);
if(mysql_num_rows($sql_result)>0)
{
$str_survey_list = "";
$str_survey_list .= "<select name=\"exiztingsurvey\" $extra_script>\n";
$str_survey_list .= "<option value=\"\">--Select Survey--</option>";
while($result=mysql_fetch_array($sql_result))
{
$selected = ($seleced_surveyid==$result[survey_id])?"selected":"";
$str_survey_list .= "\n<option value=\"".$result[survey_id]."\" ".$selected.">".$result[title]."</option>";
}
$str_survey_list .= "</select>";
return $str_survey_list;
}
else
{
return false;
}
}
/*function getsurveyid($existing)
{
$survey_table = Database :: get_course_table(TABLE_MAIN_SURVEY);
$sql = "SELECT survey_id FROM $survey_table WHERE title='$existing'" ;
$result = api_sql_query($sql,__FILE__,__LINE__);
$i=0;
$survey_id=mysql_result($result,$i,'survey_id');
echo "in getsurveyid".$survey_id;
return(survey_id);
}
*/
/**
* Possible deprecated method
*/
function create_group($survey_id,$group_title,$introduction,$table_group)
{
$sql_query = "SELECT * FROM $table_group WHERE groupname='".Database::escape_string($group_title)."' AND survey_id=".Database::escape_string($survey_id);
$res = api_sql_query($sql_query, __FILE__, __LINE__);
if(mysql_num_rows($res))
{
return false;
}
else
{
$sql = 'SELECT MAX(sortby) FROM '.$table_group.' WHERE survey_id="'.Database::escape_string($survey_id).'"';
$rs = api_sql_query($sql, __FILE__, __LINE__);
list($sortby) = mysql_fetch_array($rs);
$sortby++;
$sql="INSERT INTO $table_group(group_id,survey_id,groupname,introduction, sortby) values('','$survey_id','$group_title','$introduction','$sortby')";
$result=api_sql_query($sql);
return mysql_insert_id();
}
}
/**
* Possible deprecated method
*/
function get_survey_author($authorid)
{
$user_table = Database :: get_main_table(TABLE_MAIN_USER);
$authorid = Database::escape_string($authorid);
$sql_query = "SELECT * FROM $user_table WHERE user_id='$authorid'";
$res = api_sql_query($sql_query, __FILE__, __LINE__);
$firstname=@mysql_result($res,0,'firstname');
return $firstname;
}
/**
* Possible deprecated method
*/
function get_author($db_name,$survey_id)
{
//$table_survey = Database :: get_course_table(TABLE_SURVEY);
$survey_id = Database::escape_string($survey_id);
$sql = "SELECT author FROM $db_name.survey WHERE survey_id='$survey_id'";
$res = api_sql_query($sql, __FILE__, __LINE__);
$author=@mysql_result($res,0,'author');
return $author;
}
/**
* Possible deprecated method
*/
function get_surveyid($db_name,$group_id)
{
//$group_table = Database :: get_course_table(TABLE_SURVEY_QUESTION_GROUP);
$group_id = Database::escape_string($group_id);
$sql = "SELECT survey_id FROM $db_name.survey_group WHERE group_id='$group_id'";
$res = api_sql_query($sql, __FILE__, __LINE__);
$surveyid=@mysql_result($res,0,'survey_id');
return $surveyid;
}
public static function get_groupname ($db_name,$gid) {
//$grouptable = Database :: get_course_table(TABLE_SURVEY_QUESTION_GROUP);
$gid = Database::escape_string($gid);
$sql = "SELECT * FROM $db_name.survey_group WHERE group_id='$gid'";
$res=api_sql_query($sql);
$code=@Database::result($res,0,'groupname');
return($code);
}
/**
* Possible deprecated method
*/
function insert_into_group ($survey_id,$group_title,$introduction,$tb) {
$survey_id = Database::escape_string($survey_id);
$group_title = Database::escape_string($group_title);
$introduction = Database::escape_string($introduction);
$sql="INSERT INTO $tb (group_id,survey_id,group_title,introduction) values('','$survey_id','$group_title','$introduction')";
$result=api_sql_query($sql);
return mysql_insert_id();
}
/**
* Possible deprecated method
*/
function get_survey_code ($table_survey,$survey_code)
{
$survey_code = Database::escape_string($survey_code);
$sql="SELECT code FROM $table_survey where code='$survey_code'";
//echo $sql;
//exit;
$result=api_sql_query($sql);
$code=@mysql_result($result,0,'code');
//echo $code;exit;
return($code);
}
/**
* Possible deprecated method
*/
function get_survey_list()
{
$survey_table = Database :: get_course_table(TABLE_SURVEY);
$sql_query = "SELECT survey_id,title FROM $survey_table where title!='' ";
$sql_result = api_sql_query($sql_query,__FILE__,__LINE__);
echo "<select name=\"author\">";
echo "<option value=\"\"><--Select Survey--></optional>";
while ($result =@mysql_fetch_array($sql_result))
{
echo "\n<option value=\"".$result[survey_id]."\">".$result[title]."</option>";
}
echo "</select>";
}
/**
* Possible deprecated method
*/
function create_survey ($surveycode,$surveytitle, $surveysubtitle, $author, $survey_language, $availablefrom, $availabletill,$isshare, $surveytemplate, $surveyintroduction, $surveythanks, $table_survey, $table_group)
{
//$table_survey = Database :: get_course_table(TABLE_SURVEY);
$sql = "INSERT INTO $table_survey (code,title, subtitle, author,lang,avail_from,avail_till, is_shared,template,intro,surveythanks,creation_date) values('$surveycode','$surveytitle','$surveysubtitle','$author','$survey_language','$availablefrom','$availabletill','$isshare','$surveytemplate','$surveyintroduction','$surveythanks',curdate())";
$result = api_sql_query($sql, __FILE__, __LINE__);
//$result = api_sql_query($sql);
$survey_id = mysql_insert_id();
$sql2 = "INSERT INTO $table_group(group_id,survey_id,groupname,introduction) values('','$survey_id','No Group','This is your Default Group')";
$result = api_sql_query($sql2, __FILE__, __LINE__);
return $survey_id;
}
/**
* Possible deprecated method
*/
function create_survey_in_another_language($id, $lang){
global $_course;
$original_survey = self::get_all_datas($id);
// copy the survey itself
$sql = 'INSERT INTO '.$_course['dbName'].'.survey SET
code = "'.$original_survey->code.'",
title = "'.addslashes($original_survey->title).'",
subtitle = "'.addslashes($original_survey->subtitle).'",
author = "'.$original_survey->author.'",
lang = "'.$lang.'",
avail_from = "'.$original_survey->avail_from.'",
avail_till = "'.$original_survey->avail_till.'",
is_shared = "'.$original_survey->is_shared.'",
template = "'.$original_survey->template.'",
intro = "'.addslashes($original_survey->intro).'",
surveythanks = "'.addslashes($original_survey->surveythanks).'",
creation_date = "NOW()"';
$result = api_sql_query($sql, __FILE__, __LINE__);
$new_survey_id = mysql_insert_id();
// copy the groups
$groups = self::listGroups($id);
foreach($groups as $group)
{
self::import_group($new_survey_id, $group['group_id'], $_course['dbName'], $_course['dbName']);
}
}
/**
* Possible deprecated method
*/
function create_survey_attach($surveycode,$surveytitle, $surveysubtitle, $author, $survey_language, $availablefrom, $availabletill,$isshare, $surveytemplate, $surveyintroduction, $surveythanks, $table_survey, $table_group)
{
//$table_survey = Database :: get_course_table(TABLE_SURVEY);
$sql = "INSERT INTO $table_survey (code,title, subtitle, author,lang,avail_from,avail_till, is_shared,template,intro,surveythanks,creation_date) values('$surveycode','$surveytitle','$surveysubtitle','$author','$survey_language','$availablefrom','$availabletill','$isshare','$surveytemplate','$surveyintroduction','$surveythanks',curdate())";
$result = api_sql_query($sql, __FILE__, __LINE__);
$survey_id = mysql_insert_id();
return $survey_id;
}
/**
* Possible deprecated method
*/
function update_survey($surveyid,$surveycode,$surveytitle, $surveysubtitle, $author, $survey_language, $availablefrom, $availabletill,$isshare, $surveytemplate, $surveyintroduction, $surveythanks, $cidReq,$table_course)
{
$sql_course = "SELECT * FROM $table_course WHERE code = '$cidReq'";
$res_course = api_sql_query($sql_course,__FILE__,__LINE__);
$obj_course=@mysql_fetch_object($res_course);
$curr_dbname = $obj_course->db_name ;
$surveyid = Database::escape_string($surveyid);
$sql = "UPDATE $curr_dbname.survey SET code='$surveycode', title='$surveytitle', subtitle='$surveysubtitle', lang='$survey_language', avail_from='$availablefrom', avail_till='$availabletill', is_shared='$isshare', template='$surveytemplate', intro='$surveyintroduction',surveythanks='$surveythanks'
WHERE survey_id='$surveyid'";
api_sql_query($sql, __FILE__, __LINE__);
return $curr_dbname;
}
/*
function create_question($gid,$type,$caption,$answers,$open_ans,$answerT,$answerD,$rating,$table_question)
{
for($i=0;$i<10;$i++)
{
$x.= "'".$answers[$i]."',";
}
//echo "Hello".$x;
for($j=0;$j<10;$j++)
{
if($j==9)
{
$y.= "'".$rating[$j]."'";
}
else
{
$y.= "'".$rating[$j]."',";
}
}
$anst = implode(", " ,$answerT);
$ansd = implode(", " ,$answerD);
$table_question = Database :: get_course_table(TABLE_MAIN_SURVEYQUESTION);
$sql = "INSERT INTO $table_question (gid,type,caption,ans1,ans2,ans3,ans4,ans5,ans6,ans7,ans8,ans9,ans10,open_ans,anst,ansd,r1,r2,r3,r4,r5,r6,r7,r8,r9,r10) values('$gid','$type','$caption',$x'$open_ans','$anst','$ansd',$y)";
$result = api_sql_query($sql);
return mysql_insert_id();
}
function get_question($questionid)
{
$table_question = Database :: get_course_table(TABLE_MAIN_SURVEYQUESTION);
$sql = "SELECT * FROM $table_question where qid='$questionid'";
$res=api_sql_query($sql);
$code=@mysql_result($res,0,'caption');
return($code);
}
*/
/**
* Possible deprecated method
*/
function create_question($gid,$surveyid,$qtype,$caption,$alignment,$answers,$open_ans,$answerT,$answerD,$rating,$curr_dbname)
{
$sql_sort = "SELECT max(sortby) AS sortby FROM $curr_dbname.questions ";
$res_sort=api_sql_query($sql_sort);
$rs=mysql_fetch_object($res_sort);
$sortby=$rs->sortby;
if(empty($sortby))
{
$sortby=1;
}
else
{
$sortby=$sortby+1;
}
for($i=0;$i<10;$i++)
{
$x.= "'".$answers[$i]."',";
}
for($j=0;$j<10;$j++)
{
if($j==9)
{
$y.= "'".$rating[$j]."'";
}
else
{
$y.= "'".$rating[$j]."',";
}
}
/*if($qtype=='Multiple Choice (multiple answer)')
{
$anst = implode(", " ,$answerT);
$ansd = implode(", " ,$answerD);
}
else
{*/
$anst = $answerT;
$ansd = $answerD;
//}
$sql = "INSERT INTO $curr_dbname.questions (gid,survey_id,qtype,caption,alignment,sortby,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,at,ad,r1,r2,r3,r4,r5,r6,r7,r8,r9,r10) values('$gid','$surveyid','$qtype','$caption','$alignment','$sortby',$x'$anst','$ansd',$y)";
$result = api_sql_query($sql);
return mysql_insert_id();
}
/**
* Possible deprecated method
*/
function update_question($qid,$qtype,$caption,$alignment,$answers,$open_ans,$curr_dbname)
{
for($i=0;$i<10;$i++)
{
$k=$i+1;
$a.$k= $answers[$i];
}
$anst = $answerT;
$ansd = $answerD;
$sql = "UPDATE $curr_dbname.questions SET qtype='$qtype',caption='$caption',alignment='$alignment',a1='$answers[0]',a2='$answers[1]',a3='$answers[2]',a4='$answers[3]',a5='$answers[4]',a6='$answers[5]',a7='$answers[6]',a8='$answers[7]',a9='$answers[8]',a10='$answers[9]' WHERE qid='$qid'";
$result = api_sql_query($sql);
return mysql_insert_id();
}
/**
* Possible deprecated method
*/
function get_question_type($questionid)
{
$table_question = Database :: get_course_table(TABLE_MAIN_SURVEYQUESTION);
$questionid = Database::escape_string($questionid);
$sql = "SELECT * FROM $table_question WHERE qid='$questionid'";
$res=api_sql_query($sql);
$code=@mysql_result($res,0,'type');
return($code);
}
/**
* Possible deprecated method
*/
function no_of_question($db_name,$gid)
{
//$table_question = Database :: get_course_table(TABLE_MAIN_SURVEYQUESTION);
$gid = Database::escape_string($gid);
$sql = "SELECT * FROM $db_name.questions WHERE gid='$gid'";
$res=api_sql_query($sql);
$code=@mysql_num_rows($res);
return($code);
}
/**
* Possible deprecated method
*/
function get_question_data($qid,$curr_dbname)
{
$qid = Database::escape_string($qid);
$sql = "SELECT * FROM $curr_dbname.questions where qid='$qid'";
$res=api_sql_query($sql);
$rs=mysql_fetch_object($res);
$properties = get_object_vars($rs);
foreach ($properties as $property=>$val){
$val = stripslashes($val);
$rs->$property = $val;
}
return $rs;
}
/**
* Possible deprecated method
*/
function get_data($id, $field)
{
global $_course;
$sql='SELECT '.$field.' FROM '.$_course['dbName'].'.survey WHERE survey_id='.intval($id);
$res=api_sql_query($sql);
$code=@mysql_result($res,0);
return($code);
}
/**
* Possible deprecated method
*/
function get_all_datas($id)
{
global $_course;
$sql='SELECT * FROM '.$_course['dbName'].'.survey WHERE survey_id='.intval($id);
$res=api_sql_query($sql);
return mysql_fetch_object($res);
}
/**
* Possible deprecated method
*/
function get_surveyname($db_name,$sid)
{
//$surveytable=Database:: get_course_table(TABLE_SURVEY);
$sid = Database::escape_string($sid);
$sql="SELECT * FROM $db_name.survey WHERE survey_id=$sid";
$res=api_sql_query($sql);
$code=@mysql_result($res,0,'title');
return($code);
}
/**
* Possible deprecated method
*/
function get_surveyname_display($sid)
{
$sid = Database::escape_string($sid);
$surveytable=Database:: get_course_table(TABLE_SURVEY);
$sql="SELECT * FROM $surveytable WHERE survey_id=$sid";
$res=api_sql_query($sql);
$code=@mysql_result($res,0,'title');
return($code);
}
/*
function join_survey($question_type)
{
$table_survey = Database :: get_course_table(TABLE_MAIN_SURVEY);
$table_group = Database :: get_course_table(TABLE_MAIN_GROUP);
$table_question = Database :: get_course_table(TABLE_MAIN_SURVEYQUESTION);
echo $sql="select t1.title as stitle, t3.type as type, t3.caption as caption, t2.groupname as groupname from $table_survey t1, $table_group t2, $table_question t3 where t1.survey_id=t2.survey_id and t3.gid=t2.group_id and t3.type='$question_type'";
$sql_result = api_sql_query($sql,__FILE__,__LINE__);
$result = mysql_fetch_object($sql_result);
return ($result);
}
*/
/**
* Possible deprecated method
*/
function import_questions($import_type, $ids)
{
//$groupname=surveymanager::get_groupname($gid_arr[$index]);
switch ($import_type) {
case "survey":
{
}
case "groups":
{
foreach ($ids as $gid){
$sql="insert into $table_question SELECT ('',gid,qtype,caption,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,at,ad,r1,r2,r3,r4,r5,r6,r7,r8,r9,r10) FROM $table_question where gid=$gid";
}
}
case "questions":
{
}
}
$table_question = Database :: get_course_table(TABLE_MAIN_SURVEYQUESTION);
if(isset($selected_group)){
if($selected_group!=''){
$sql = "SELECT $table_group('survey_id', 'groupname') values('$sid', '$groupname')";
$res = api_sql_query($sql);
$sql = "INSERT INTO $table_group('survey_id', 'groupname') values('$sid', '$groupname')";
$res = api_sql_query($sql);
$gid_arr[$index]+= mysql_insert_id();
$groupids=implode(",",$gid_arr);
}
}
echo $groupids;
}
/**
* This function deletes a survey and all the groups and question belonging to it.
*
* @param unknown_type $survey_id
*
* @author unknown
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University, cleanup and refactoring
*
*/
function delete_survey($survey_id)
{
$table_survey = Database :: get_course_table(TABLE_SURVEY);
$table_group = Database :: get_course_table(TABLE_SURVEY_QUESTION_GROUP);
$table_question = Database :: get_course_table(TABLE_MAIN_SURVEYQUESTION);
$survey_id = Database::escape_string($survey_id);
// Deleting the survey
$sql = "DELETE FROM $table_survey WHERE survey_id='".$survey_id."'";
api_sql_query($sql,__FILE__,__LINE__);
// Deleting all the questions of the survey
$sql = "SELECT * FROM $table_group WHERE survey_id='".$survey_id."'";
$res = api_sql_query($sql,__FILE__,__LINE__);
while($obj = mysql_fetch_object($res))
{
$sql = "DELETE FROM $table_question WHERE gid='".$obj->group_id."'";
api_sql_query($sql,__FILE__,__LINE__);
}
// Deleting the groups of the survey
$sql = "DELETE FROM $table_group WHERE survey_id='".$survey_id."'";
api_sql_query($sql,__FILE__,__LINE__);
return true;
}
/**
* Possible deprecated method
* This function deletes a
* @param unknown_type $group_id
* @param unknown_type $curr_dbname
*
* @author unknown
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University, refactoring: using correct database calls and removing useless second parameter
*/
function delete_group($group_id)
{
// Database table definitions
/** @todo use database constants for the survey tables */
$table_question = Database :: get_course_table(TABLE_MAIN_SURVEYQUESTION);
$table_survey_group = Database :: get_course_table(TABLE_SURVEY_QUESTION_GROUP);
$sql = "DELETE FROM $table_question WHERE gid='".$group_id."'";
api_sql_query($sql,__FILE__,__LINE__);
$sql = "DELETE FROM $table_survey_group WHERE group_id='".$group_id."'";
api_sql_query($sql,__FILE__,__LINE__);
}
/**
* Possible deprecated method
*/
function ques_id_group_name($qid)
{
$ques_table=Database::get_course_table(TABLE_MAIN_SURVEYQUESTION);
$sql="SELECT gid FROM $ques_table where qid=$qid";
$res=api_sql_query($sql);
$id=@mysql_result($res,0,'gid');
$gname=surveymanager::get_groupname($id);
return($gname);
}
/**
* Possible deprecated method
*/
function insert_questions($sid,$newgid,$gid,$table_group)
{
$sql_select = "SELECT * FROM $table_group WHERE group_id IN (".$gid.")";
$res = api_sql_query($sql_select);
$num = mysql_num_rows($res);
$i=0;
while($i<$num)
{
$sql_insert = "INSERT INTO $table_group(group_id, survey_id, groupname) values('', '$sid', 'Imported Group')";
$result = api_sql_query($sql_insert);
$i++;
}
}
/**
* Possible deprecated method
*/
function select_group_list($survey_id, $seleced_groupid='', $extra_script='')
{
$group_table = Database :: get_course_table(TABLE_SURVEY_QUESTION_GROUP);
$sql = "SELECT * FROM $group_table WHERE survey_id='$survey_id'";
$sql_result = api_sql_query($sql,__FILE__,__LINE__);
if(mysql_num_rows($sql_result)>0)
{
$str_group_list = "";
$str_group_list .= "<select name=\"exiztinggroup\" $extra_script>\n";
while($result=mysql_fetch_array($sql_result))
{
$selected = ($seleced_groupid==$result[group_id])?"selected":"";
$str_group_list .= "\n<option value=\"".$result[group_id]."\" ".$selected.">".$result[groupname]."</option>\n";
}
$str_group_list .= "</select>";
return $str_group_list;
}
else
{
return false;
}
}
/**
* Possible deprecated method
*/
//For importing the groups to new survey
function insert_groups($sid,$newgid,$gids,$table_group,$table_question)
{
$gid_arr = explode(",",$gids);
$num = count($gid_arr);
$queryone = "SELECT * FROM $table_question WHERE gid = '$newgid'";
$rs = api_sql_query($queryone);
$numrs=mysql_num_rows($rs);
for($k=0;$k<$numrs;$k++)
{
$imp[]=mysql_result($rs,$k,"imported_group");
}
$imp=@array_unique($imp);
for($n=0;$n<count($gid_arr);$n++)
{
if(@in_array($gid_arr[$n],$imp))
{
$gname=surveymanager::get_groupname($gid_arr[$n]);
$alr[]=$gname;
//$alr[]=$gid_arr[$n];
//$unique_arr = @array_unique($alr);
// print_r($unique_arr);
}
}
//$unique_arr = @array_unique($alr);
//print_r($unique_arr);
/*if($msg)
{
echo "You have already imported the following group(s)";
echo "<br>".$msg;
}*/
for($index=0;$index<$num;$index++)
{
if(@!in_array($gid_arr[$index],$imp))
{
$temp_gid = $gid_arr[$index];
$sql = "SELECT * FROM $table_question WHERE gid = '$temp_gid'";
$res = api_sql_query($sql);
$num_rows = mysql_num_rows($res);
while($obj = mysql_fetch_object($res))
{
$temp_qtype = $obj->qtype;
$temp_caption = $obj->caption;
$y="";
$x="";
for($i=1;$i<=10;$i++)
{
$temp = "a".$i;
$x.= "'".$obj->$temp."',"; /*this variable contains concatenated values and need to be refreshed each time before the loop starts!*/
}
for($j=1;$j<=10;$j++)
{
if($j==10)
{
$temps = "r".$j;
$y.= "'".$obj->$temps."'";
}
else
{
$temps = "r".$j;
$y.= "'".$obj->$temps."',";
}
}
$sql_insert = "INSERT INTO $table_question (qid,gid,qtype,caption,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,at,ad,r1,r2,r3,r4,r5,r6,r7,r8,r9,r10,imported_group) values('','$newgid','$temp_qtype','$temp_caption',$x'$anst','$ansd',$y,'$temp_gid')";
$res2 = api_sql_query($sql_insert);
}
}
}
}
/**
* Possible deprecated method
*/
function display_imported_group($sid,$table_group,$table_question)
{
$sql = "SELECT group_id FROM $table_group WHERE survey_id='$sid'";
$res = api_sql_query($sql);
$num = @mysql_num_rows($res);
//echo "ths is num".$num;
$parameters = array();
$displays = array();
while($obj = @mysql_fetch_object($res))
{
$groupid = $obj->group_id;
$query = "SELECT * FROM $table_question WHERE gid = '$groupid'";
$result = api_sql_query($query);
while($object = @mysql_fetch_object($result))
{
$display = array();
$display[] = '<input type="checkbox" name="course[]" value="'.$object->qid.'"/>';
$display[] = $object->caption;
$display[] = $object->qtype;
$id = $object->gid;
//echo "THIS IS GROUP NAME ID".$id;
$gname = surveymanager::get_groupname($id);
$display[] = $gname;
$displays[] = $display;
}
}
$table_header[] = array('', false);
$table_header[] = array(get_lang('Question'), true);
$table_header[] = array(get_lang('QuestionType'), true);
$table_header[] = array(get_lang('Group'), true);
Display :: display_sortable_table($table_header, $displays, array (), array (), $parameters);
}
/**
* Possible deprecated method
*/
function attach_survey($surveyid,$newsurveyid,$db_name,$curr_dbname)
//For attaching the whole survey with its groups and questions
{
$sql = "SELECT * FROM $db_name.survey_group WHERE survey_id = '$surveyid'";
$res = api_sql_query($sql,__FILE__,__LINE__);
while($obj=@mysql_fetch_object($res))
{
$groupname=addslashes($obj->groupname);
$introduction=addslashes($obj->introduction);
$sql_insert = "INSERT INTO $curr_dbname.survey_group(group_id,survey_id,groupname,introduction) values('','$newsurveyid','$groupname','$introduction')";
$resnext = api_sql_query($sql_insert,__FILE__,__LINE__);
$groupid = mysql_insert_id();
$sql_q = "SELECT * FROM $db_name.questions WHERE gid = '$obj->group_id'";
$res_q = api_sql_query($sql_q,__FILE__,__LINE__);
while($obj_q = mysql_fetch_object($res_q))
{
$caption1=addslashes($obj_q->caption);
$a1=addslashes($obj_q->a1);
$a2=addslashes($obj_q->a2);
$a3=addslashes($obj_q->a3);
$a4=addslashes($obj_q->a4);
$a5=addslashes($obj_q->a5);
$a6=addslashes($obj_q->a6);
$a7=addslashes($obj_q->a7);
$a8=addslashes($obj_q->a8);
$a9=addslashes($obj_q->a9);
$a10=addslashes($obj_q->a10);
$at=addslashes($obj_q->at);
$ad=addslashes($obj_q->ad);
$r1=addslashes($obj_q->r1);
$r2=addslashes($obj_q->r2);
$r3=addslashes($obj_q->r3);
$r4=addslashes($obj_q->r4);
$r5=addslashes($obj_q->r5);
$r6=addslashes($obj_q->r6);
$r7=addslashes($obj_q->r7);
$r8=addslashes($obj_q->r8);
$r9=addslashes($obj_q->r9);
$r10=addslashes($obj_q->r10);
$sql_sort = "SELECT max(sortby) AS sortby FROM $curr_dbname.questions ";
$res_sort=api_sql_query($sql_sort);
$rs=mysql_fetch_object($res_sort);
$sortby=$rs->sortby;
if(empty($sortby))
{$sortby=1;}
else{$sortby=$sortby+1;}
$sql_q_insert = "INSERT INTO $curr_dbname.questions (qid,gid,survey_id,qtype,caption,alignment,sortby,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,at,ad,r1,r2,r3,r4,r5,r6,r7,r8,r9,r10) values('','$groupid','$newsurveyid','$obj_q->qtype','$caption1','$obj_q->alignment','$sortby','$a1','$a2','$a3','$a4','$a5','$a6','$a7','$a8','$a9','$a10','$at','$ad','$r1','$r2','$r3','$r4','$r5','$r6','$r7','$r8','$r9','$r10')";
api_sql_query($sql_q_insert,__FILE__,__LINE__);
}
}
}
function update_group($groupid,$surveyid,$groupnamme,$introduction,$curr_dbname)
{
$sql = "UPDATE $curr_dbname.survey_group SET group_id='$groupid', survey_id='$surveyid', groupname='$groupnamme', introduction='$introduction' WHERE group_id='$groupid'";
api_sql_query($sql, __FILE__, __LINE__);
}
/*
function insert_old_groups($sid,$gids,$table_group,$table_question)
{
$gid_arr = explode(",",$gids);
$index = count($gid_arr);
($gid_arr);
for($p=0;$p<$index;$p++)
{
$sql = "SELECT * FROM $table_group WHERE group_id = '$gid_arr[$p]'";
$res = api_sql_query($sql);
$obj = mysql_fetch_object($res);
$gname = $obj->groupname;
if($gname=='Default')
{
$query = "SELECT * FROM $table_group WHERE survey_id = '$sid' AND groupname = 'Default'";
$result = api_sql_query($query);
$object = mysql_fetch_object($result);
$gid = $object->group_id;
$sql_def_check = "SELECT * FROM $table_question WHERE gid = '$gid'";
$res_def_check = api_sql_query($sql_def_check);
$count_def_check = mysql_num_rows($res_def_check);
for($ctr=0;$ctr<$count_def_check;$ctr++)
{
$imp[]=mysql_result($res_def_check,$ctr,"imported_group");
}
$imp = @array_unique($imp);
if(!@in_array($gid_arr[$p],$imp))
{
$sql_ques = "SELECT * FROM $table_question WHERE gid= '$gid_arr[$p]'";
$res_ques = api_sql_query($sql_ques);
$num = mysql_num_rows($res_ques);
while($obj_ques = mysql_fetch_object($res_ques))
{
$temp_qtype = $obj_ques->qtype;
$temp_caption = $obj_ques->caption;
$anst = $obj_ques->at;
$ansd = $obj_ques->ad;
$y="";
$x="";
for($i=1;$i<=10;$i++)
{
$temp = "a".$i;
$x.= "'".$obj_ques->$temp."',";
}
for($j=1;$j<=10;$j++)
{
if($j==10)
{
$temps = "r".$j;
$y.= "'".$obj_ques->$temps."'";
}
else
{
$temps = "r".$j;
$y.= "'".$obj_ques->$temps."',";
}
}
$sql_ques_insert = "INSERT INTO $table_question (qid,gid,qtype,caption,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,at,ad,r1,r2,r3,r4,r5,r6,r7,r8,r9,r10,imported_group) values('','$gid','$temp_qtype','$temp_caption',$x'$anst','$ansd',$y,'$gid_arr[$p]')";
$res_ques_insert = api_sql_query($sql_ques_insert);
}
}
else
{
$flag = 1;
}
}
else
{
$intro = $obj->introduction;
$sql_check = "SELECT * FROM $table_group WHERE survey_id = '$sid'";
$res_check = api_sql_query($sql_check);
$num_check = mysql_num_rows($res_check);
for($k=0;$k<$num_check;$k++)
{
$imp[]=mysql_result($res_check,$k,"imported_group");
}
$imp = @array_unique($imp);
if(!@in_array($gid_arr[$p],$imp))
{
$sql_insert = "INSERT INTO $table_group(group_id,survey_id,groupname,introduction,imported_group) values('','$sid','$gname','$intro','$gid_arr[$p]')";
$res_insert = api_sql_query($sql_insert);
$new_gid = mysql_insert_id();
$sql_ques = "SELECT * FROM $table_question WHERE gid= '$gid_arr[$p]'";
$res_ques = api_sql_query($sql_ques);
$num = mysql_num_rows($res_ques);
while($obj_ques = mysql_fetch_object($res_ques))
{
$temp_qtype = $obj_ques->qtype;
$temp_caption = $obj_ques->caption;
$anst = $obj_ques->at;
$ansd = $obj_ques->ad;
$y="";
$x="";
for($i=1;$i<=10;$i++)
{
$temp = "a".$i;
$x.= "'".$obj_ques->$temp."',";
}
for($j=1;$j<=10;$j++)
{
if($j==10)
{
$temps = "r".$j;
$y.= "'".$obj_ques->$temps."'";
}
else
{
$temps = "r".$j;
$y.= "'".$obj_ques->$temps."',";
}
}
$sql_ques_insert = "INSERT INTO $table_question (qid,gid,qtype,caption,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,at,ad,r1,r2,r3,r4,r5,r6,r7,r8,r9,r10,imported_group) values('','$new_gid','$temp_qtype','$temp_caption',$x'$anst','$ansd',$y,'$gid_arr[$p]')";
$res_ques_insert = api_sql_query($sql_ques_insert);
}
}
else
{
$flag = 1;
}
}
}
return ($flag);
}
*/
/**
* Possible deprecated method
*/
function insert_old_groups($sid,$gids,$table_group,$table_question,$db_name,$cidReq)
{
$table_course = Database :: get_main_table(TABLE_MAIN_COURSE);
$sql = "SELECT * FROM $table_course WHERE code = '$cidReq'";
$res = api_sql_query($sql,__FILE__,__LINE__);
$obj_name=@mysql_fetch_object($res);
$current_db_name = $obj_name->db_name ;
$gid_arr = explode(",",$gids);
$index = count($gid_arr);
($gid_arr);
for($p=0;$p<$index;$p++)
{
$sql = "SELECT * FROM $db_name.survey_group WHERE group_id = '$gid_arr[$p]'";
$res = api_sql_query($sql);
$obj = mysql_fetch_object($res);
$gname = $obj->groupname;
if($gname=='No Group')
{
$query = "SELECT * FROM $db_name.survey_group WHERE survey_id = '$sid' AND groupname = 'No Group'";
$result = api_sql_query($query);
$object = mysql_fetch_object($result);
$gid = $object->group_id;
$sql_def_check = "SELECT * FROM $db_name.questions WHERE gid = '$gid'";
$res_def_check = api_sql_query($sql_def_check);
$count_def_check = mysql_num_rows($res_def_check);
for($ctr=0;$ctr<$count_def_check;$ctr++)
{
$imp[]=mysql_result($res_def_check,$ctr,"imported_group");
}
$imp = @array_unique($imp);
$gid_arr[$p];
if(!@in_array($gid_arr[$p],$imp))
{
$sql_ques = "SELECT * FROM $db_name.questions WHERE gid= '$gid_arr[$p]'";
$res_ques = api_sql_query($sql_ques);
$num = mysql_num_rows($res_ques);
while($obj_ques = mysql_fetch_object($res_ques))
{
$temp_qtype = $obj_ques->qtype;
$temp_caption = $obj_ques->caption;
$anst = $obj_ques->at;
$ansd = $obj_ques->ad;
$y="";
$x="";
for($i=1;$i<=10;$i++)
{
$temp = "a".$i;
$x.= "'".$obj_ques->$temp."',"; /*this variable contains concatenated values and need to be refreshed each time before the loop starts!*/
}
for($j=1;$j<=10;$j++)
{
if($j==10)
{
$temps = "r".$j;
$y.= "'".$obj_ques->$temps."'";
}
else
{
$temps = "r".$j;
$y.= "'".$obj_ques->$temps."',";
}
}
$sql_ques_insert = "INSERT INTO $current_db_name.questions (qid,gid,qtype,caption,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,at,ad,r1,r2,r3,r4,r5,r6,r7,r8,r9,r10,imported_group) values('','$gid','$temp_qtype','$temp_caption',$x'$anst','$ansd',$y,'$gid_arr[$p]')";
$res_ques_insert = api_sql_query($sql_ques_insert);
}
}
else
{
$flag = 1;
}
}
else
{
$intro = $obj->introduction;
$sql_check = "SELECT * FROM $db_name.survey_group WHERE survey_id = '$sid'";
$res_check = api_sql_query($sql_check);
$num_check = mysql_num_rows($res_check);
for($k=0;$k<$num_check;$k++)
{
$imp[]=mysql_result($res_check,$k,"imported_group");
}
$imp = @array_unique($imp);
if(!@in_array($gid_arr[$p],$imp))
{
$sql_insert = "INSERT INTO $current_db_name.survey_group(group_id,survey_id,groupname,introduction,imported_group) values('','$sid','$gname','$intro','$gid_arr[$p]')";
$res_insert = api_sql_query($sql_insert);
$new_gid = mysql_insert_id();
$sql_ques = "SELECT * FROM $db_name.questions WHERE gid= '$gid_arr[$p]'";
$res_ques = api_sql_query($sql_ques);
$num = mysql_num_rows($res_ques);
while($obj_ques = mysql_fetch_object($res_ques))
{
$temp_qtype = $obj_ques->qtype;
$temp_caption = $obj_ques->caption;
$anst = $obj_ques->at;
$ansd = $obj_ques->ad;
$y="";
$x="";
for($i=1;$i<=10;$i++)
{
$temp = "a".$i;
$x.= "'".$obj_ques->$temp."',"; /*this variable contains concatenated values and need to be refreshed each time before the loop starts!*/
}
for($j=1;$j<=10;$j++)
{
if($j==10)
{
$temps = "r".$j;
$y.= "'".$obj_ques->$temps."'";
}
else
{
$temps = "r".$j;
$y.= "'".$obj_ques->$temps."',";
}
}
$sql_ques_insert = "INSERT INTO $current_db_name.questions (qid,gid,qtype,caption,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,at,ad,r1,r2,r3,r4,r5,r6,r7,r8,r9,r10,imported_group) values('','$new_gid','$temp_qtype','$temp_caption',$x'$anst','$ansd',$y,'$gid_arr[$p]')";
$res_ques_insert = api_sql_query($sql_ques_insert);
}
}
else
{
$flag = 1;
}
}
}
return ($flag);
}
/**
* Possible deprecated method
*/
function import_question($surveyid,$qids,$table_group,$table_question,$db_name,$cidReq,$yes)
{
$table_course = Database :: get_main_table(TABLE_MAIN_COURSE);
$sql_course = "SELECT * FROM $table_course WHERE code = '$cidReq'";
$res_course = api_sql_query($sql_course,__FILE__,__LINE__);
$obj_name=@mysql_fetch_object($res_course);
$current_db_name = $obj_name->db_name ;
$qid=explode(",",$qids);
$count = count($qid);
for($i=0; $i<$count; $i++)
{
$sql_q = "SELECT * FROM $table_question WHERE qid = '$qid[$i]'";
$res_q = api_sql_query($sql_q,__FILE__,__LINE__);
$obj=@mysql_fetch_object($res_q);
$oldgid=$obj->gid;
$sql = "SELECT * FROM $table_group WHERE group_id = '$oldgid'";
$res = api_sql_query($sql,__FILE__,__LINE__);
$obj_gr = @mysql_fetch_object($res);
$gname = $obj_gr->groupname;
$gintro = $obj_gr->introduction;
$sql_gid = "SELECT * FROM $table_group WHERE survey_id = '$surveyid' AND groupname = '$gname'";
$res_gid = api_sql_query($sql_gid,__FILE__,__LINE__);
$num=mysql_num_rows($res_gid);
$obj_gid=@mysql_fetch_object($res_gid);
$sql_quesid = "SELECT * FROM $table_question WHERE gid = '$obj_gid->group_id' AND caption = '$obj->caption'";
$res_quesid = api_sql_query($sql_quesid,__FILE__,__LINE__);
$num_ques=mysql_num_rows($res_quesid);
if($num_ques>0)
{
$message=1;
//echo "<div align=\"center\"><strong><font color=\"#FF0000\">Already Imported !</font></strong></div>" ;
}
else
{
if($num>0 && $yes=="yes")
{
$sql_q_insert = "INSERT INTO $current_db_name.questions (qid,gid,qtype,caption,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,at,ad,r1,r2,r3,r4,r5,r6,r7,r8,r9,r10) values('','$obj_gid->group_id','$obj->qtype','$obj->caption','$obj->a1','$obj->a2','$obj->a3','$obj->a4','$obj->a5','$obj->a6','$obj->a7','$obj->a8','$obj->a9','$obj->a10','$obj->at','$obj->ad','$obj->r1','$obj->r2','$obj->r3','$obj->r4','$obj->r5','$obj->r6','$obj->r7','$obj->r8','$obj->r9','$obj->r10')";
api_sql_query($sql_q_insert,__FILE__,__LINE__);
}
else
{
$sql_ginsert="INSERT INTO $current_db_name.survey_group(group_id,survey_id,groupname,introduction) values('','$surveyid','$gname','$gintro')";
api_sql_query($sql_ginsert,__FILE__,__LINE__);
$new_gid = mysql_insert_id();
$sql_q_insert = "INSERT INTO $current_db_name.questions (qid,gid,qtype,caption,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,at,ad,r1,r2,r3,r4,r5,r6,r7,r8,r9,r10) values('','$new_gid','$obj->qtype','$obj->caption','$obj->a1','$obj->a2','$obj->a3','$obj->a4','$obj->a5','$obj->a6','$obj->a7','$obj->a8','$obj->a9','$obj->a10','$obj->at','$obj->ad','$obj->r1','$obj->r2','$obj->r3','$obj->r4','$obj->r5','$obj->r6','$obj->r7','$obj->r8','$obj->r9','$obj->r10')";
api_sql_query($sql_q_insert,__FILE__,__LINE__);
}
}
}
return $message;
}
/**
* Possible deprecated method
*/
function create_course_survey_rel($cidReq,$survey_id,$table_course,$table_course_survey_rel)
{
$sql = "SELECT * FROM $table_course WHERE code = '$cidReq'";
$res = api_sql_query($sql,__FILE__,__LINE__);
$obj=@mysql_fetch_object($res);
$db_name = $obj->db_name ;
$sql="INSERT INTO $table_course_survey_rel(id,course_code,db_name,survey_id) values('','$cidReq','$db_name','$survey_id')";
api_sql_query($sql,__FILE__,__LINE__);
return $db_name;
}
/**
* Possible deprecated method
*/
function import_existing_question($surveyid,$qids,$table_group,$table_question,$yes)
{
$qid=explode(",",$qids);
$count = count($qid);
for($i=0; $i<$count; $i++)
{
$sql_q = "SELECT * FROM $table_question WHERE qid = '$qid[$i]'";
$res_q = api_sql_query($sql_q,__FILE__,__LINE__);
$obj=@mysql_fetch_object($res_q);
$oldgid=$obj->gid;
$sql = "SELECT * FROM $table_group WHERE group_id = '$oldgid'";
$res = api_sql_query($sql,__FILE__,__LINE__);
$obj_gr = @mysql_fetch_object($res);
$gname = $obj_gr->groupname;
$gintro = $obj_gr->introduction;
$sql_gid = "SELECT * FROM $table_group WHERE survey_id = '$surveyid' AND groupname = '$gname'";
$res_gid = api_sql_query($sql_gid,__FILE__,__LINE__);
$num=mysql_num_rows($res_gid);
$obj_gid=@mysql_fetch_object($res_gid);
$sql_quesid = "SELECT * FROM $table_question WHERE gid = '$obj_gid->group_id' AND caption = '$obj->caption'";
$res_quesid = api_sql_query($sql_quesid,__FILE__,__LINE__);
$num_ques=mysql_num_rows($res_quesid);
if($num_ques>0)
{
$message=1;
//echo "<div align=\"center\"><strong><font color=\"#FF0000\">Already Imported !</font></strong></div>" ;
}
else
{
if($num>0 && $yes=="yes")
{
$sql_q_insert = "INSERT INTO $table_question (qid,gid,qtype,caption,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,at,ad,r1,r2,r3,r4,r5,r6,r7,r8,r9,r10) values('','$obj_gid->group_id','$obj->qtype','$obj->caption','$obj->a1','$obj->a2','$obj->a3','$obj->a4','$obj->a5','$obj->a6','$obj->a7','$obj->a8','$obj->a9','$obj->a10','$obj->at','$obj->ad','$obj->r1','$obj->r2','$obj->r3','$obj->r4','$obj->r5','$obj->r6','$obj->r7','$obj->r8','$obj->r9','$obj->r10')";
api_sql_query($sql_q_insert,__FILE__,__LINE__);
}
else
{
$sql_ginsert="INSERT INTO $table_group(group_id,survey_id,groupname,introduction) values('','$surveyid','$gname','$gintro')";
api_sql_query($sql_ginsert,__FILE__,__LINE__);
$new_gid = mysql_insert_id();
$sql_q_insert = "INSERT INTO $table_question (qid,gid,qtype,caption,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,at,ad,r1,r2,r3,r4,r5,r6,r7,r8,r9,r10) values('','$new_gid','$obj->qtype','$obj->caption','$obj->a1','$obj->a2','$obj->a3','$obj->a4','$obj->a5','$obj->a6','$obj->a7','$obj->a8','$obj->a9','$obj->a10','$obj->at','$obj->ad','$obj->r1','$obj->r2','$obj->r3','$obj->r4','$obj->r5','$obj->r6','$obj->r7','$obj->r8','$obj->r9','$obj->r10')";
api_sql_query($sql_q_insert,__FILE__,__LINE__);
}
}
}
return $message;
}
/**
* Possible deprecated method
*/
function insert_existing_groups ($sid,$gids,$table_group,$table_question)
{
$gid_arr = explode(",",$gids);
$index = count($gid_arr);
($gid_arr);
for($p=0;$p<$index;$p++)
{
$sql = "SELECT * FROM $table_group WHERE group_id = '$gid_arr[$p]'";
$res = api_sql_query($sql);
$obj = mysql_fetch_object($res);
$gname = $obj->groupname;
if($gname=='No Group')
{
$query = "SELECT * FROM $table_group WHERE survey_id = '$sid' AND groupname = 'No Group'";
$result = api_sql_query($query);
$object = mysql_fetch_object($result);
$gid = $object->group_id;
$sql_def_check = "SELECT * FROM $table_question WHERE gid = '$gid'";
$res_def_check = api_sql_query($sql_def_check);
$count_def_check = mysql_num_rows($res_def_check);
for($ctr=0;$ctr<$count_def_check;$ctr++)
{
$imp[]=mysql_result($res_def_check,$ctr,"imported_group");
}
$imp = @array_unique($imp);
if(!@in_array($gid_arr[$p],$imp))
{
$sql_ques = "SELECT * FROM $table_question WHERE gid= '$gid_arr[$p]'";
$res_ques = api_sql_query($sql_ques);
$num = mysql_num_rows($res_ques);
while($obj_ques = mysql_fetch_object($res_ques))
{
$temp_qtype = $obj_ques->qtype;
$temp_caption = $obj_ques->caption;
$anst = $obj_ques->at;
$ansd = $obj_ques->ad;
$y="";
$x="";
for($i=1;$i<=10;$i++)
{
$temp = "a".$i;
$x.= "'".$obj_ques->$temp."',"; /*this variable contains concatenated values and need to be refreshed each time before the loop starts!*/
}
for($j=1;$j<=10;$j++)
{
if($j==10)
{
$temps = "r".$j;
$y.= "'".$obj_ques->$temps."'";
}
else
{
$temps = "r".$j;
$y.= "'".$obj_ques->$temps."',";
}
}
$sql_ques_insert = "INSERT INTO $table_question (qid,gid,qtype,caption,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,at,ad,r1,r2,r3,r4,r5,r6,r7,r8,r9,r10,imported_group) values('','$gid','$temp_qtype','$temp_caption',$x'$anst','$ansd',$y,'$gid_arr[$p]')";
$res_ques_insert = api_sql_query($sql_ques_insert);
}
}
else
{
$flag = 1;
}
}
else
{
$intro = $obj->introduction;
$sql_check = "SELECT * FROM $table_group WHERE survey_id = '$sid'";
$res_check = api_sql_query($sql_check);
$num_check = mysql_num_rows($res_check);
for($k=0;$k<$num_check;$k++)
{
$imp[]=mysql_result($res_check,$k,"imported_group");
}
$imp = @array_unique($imp);
if(!@in_array($gid_arr[$p],$imp))
{
$sql_insert = "INSERT INTO $table_group(group_id,survey_id,groupname,introduction,imported_group) values('','$sid','$gname','$intro','$gid_arr[$p]')";
$res_insert = api_sql_query($sql_insert);
$new_gid = mysql_insert_id();
$sql_ques = "SELECT * FROM $table_question WHERE gid= '$gid_arr[$p]'";
$res_ques = api_sql_query($sql_ques);
$num = mysql_num_rows($res_ques);
while($obj_ques = mysql_fetch_object($res_ques))
{
$temp_qtype = $obj_ques->qtype;
$temp_caption = $obj_ques->caption;
$anst = $obj_ques->at;
$ansd = $obj_ques->ad;
$y="";
$x="";
for($i=1;$i<=10;$i++)
{
$temp = "a".$i;
$x.= "'".$obj_ques->$temp."',"; /*this variable contains concatenated values and need to be refreshed each time before the loop starts!*/
}
for($j=1;$j<=10;$j++)
{
if($j==10)
{
$temps = "r".$j;
$y.= "'".$obj_ques->$temps."'";
}
else
{
$temps = "r".$j;
$y.= "'".$obj_ques->$temps."',";
}
}
$sql_ques_insert = "INSERT INTO $table_question (qid,gid,qtype,caption,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,at,ad,r1,r2,r3,r4,r5,r6,r7,r8,r9,r10,imported_group) values('','$new_gid','$temp_qtype','$temp_caption',$x'$anst','$ansd',$y,'$gid_arr[$p]')";
$res_ques_insert = api_sql_query($sql_ques_insert);
}
}
else
{
$flag = 1;
}
}
}
return ($flag);
}
/**
* Possible deprecated method
*/
function pick_surveyname($sid)
{
$surveytable=Database:: get_course_table(TABLE_SURVEY);
$sql="SELECT * FROM $surveytable WHERE survey_id=$sid";
$res=api_sql_query($sql);
$code=@mysql_result($res,0,'title');
return($code);
}
/**
* Possible deprecated method
*/
function pick_author($survey_id)
{
$survey_table = Database :: get_course_table(TABLE_SURVEY);
$sql = "SELECT author FROM $survey_table WHERE survey_id='$survey_id'";
$res = api_sql_query($sql, __FILE__, __LINE__);
$author=@mysql_result($res,0,'author');
return $author;
}
/**
* Possible deprecated method
*/
function question_import($surveyid,$qids,$db_name,$curr_dbname)
{
$qid=explode(",",$qids);
$count = count($qid);
for($i=0; $i<$count; $i++)
{
$sql_sort = "SELECT max(sortby) AS sortby FROM $curr_dbname.questions ";
$res_sort=api_sql_query($sql_sort);
$rs=mysql_fetch_object($res_sort);
$sortby=$rs->sortby;
if(empty($sortby))
{$sortby=1;}
else{$sortby=$sortby+1;}
$sql_q = "SELECT * FROM $db_name.questions WHERE qid = '$qid[$i]'";
$res_q = api_sql_query($sql_q,__FILE__,__LINE__);
$obj=@mysql_fetch_object($res_q);
$oldgid=$obj->gid;
$caption1=addslashes($obj->caption);
$a1=addslashes($obj->a1);
$a2=addslashes($obj->a2);
$a3=addslashes($obj->a3);
$a4=addslashes($obj->a4);
$a5=addslashes($obj->a5);
$a6=addslashes($obj->a6);
$a7=addslashes($obj->a7);
$a8=addslashes($obj->a8);
$a9=addslashes($obj->a9);
$a10=addslashes($obj->a10);
$at=addslashes($obj->at);
$ad=addslashes($obj->ad);
$r1=addslashes($obj->r1);
$r2=addslashes($obj->r2);
$r3=addslashes($obj->r3);
$r4=addslashes($obj->r4);
$r5=addslashes($obj->r5);
$r6=addslashes($obj->r6);
$r7=addslashes($obj->r7);
$r8=addslashes($obj->r8);
$r9=addslashes($obj->r9);
$r10=addslashes($obj_q->r10);
//$sql_gr = "SELECT * FROM $db_name.survey_group WHERE group_id = '$oldgid'";
//$res_gr = api_sql_query($sql_gr,__FILE__,__LINE__);
// $obj_gr=@mysql_fetch_object($res_gr);
//$groupname = $obj_gr->groupname
$sql_quesid = "SELECT * FROM $curr_dbname.questions WHERE survey_id = '$surveyid' AND imported_question = '$qid[$i]' AND db_name = '$db_name'";
$res_quesid = api_sql_query($sql_quesid,__FILE__,__LINE__);
$num_ques=mysql_num_rows($res_quesid);
if($num_ques>0)
{
$message=1;
}
else
{
$sql_group = "SELECT * FROM $db_name.survey_group WHERE group_id = '$oldgid'";
$res_group = api_sql_query($sql_group,__FILE__,__LINE__);
$obj_group=@mysql_fetch_object($res_group);
$groupname = $obj_group->groupname;
$sql = "SELECT * FROM $curr_dbname.survey_group WHERE groupname = '$groupname' AND survey_id = '$surveyid'";
$res = api_sql_query($sql,__FILE__,__LINE__);
$obj_gro = mysql_fetch_object($res);
$num_group=mysql_num_rows($res);
if($num_group>0)
{
$sql_q_insert = "INSERT INTO $curr_dbname.questions (qid,gid,survey_id,qtype,caption,alignment,sortby,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,at,ad,r1,r2,r3,r4,r5,r6,r7,r8,r9,r10,imported_question,db_name) values('','$obj_gro->group_id','$surveyid','$obj->qtype','$caption1','$obj->alignment','$sortby','$a1','$a2','$a3','$a4','$a5','$a6','$a7','$a8','$a9','$a10','$at','$ad','$r1','$r2','$r3','$r4','$r5','$r6','$r7','$r8','$r9','$r10','$qid[$i]','$db_name')";
api_sql_query($sql_q_insert,__FILE__,__LINE__);
}
else
{
//$num_group;
$sql_ginsert="INSERT INTO $curr_dbname.survey_group(group_id,survey_id,groupname,introduction,imported_group, db_name) values('','$surveyid','$groupname','$obj_group->introduction','$oldgid','$db_name')";
api_sql_query($sql_ginsert,__FILE__,__LINE__);
$new_gid = mysql_insert_id();
$sql_q_insert = "INSERT INTO $curr_dbname.questions (qid,gid,survey_id,qtype,caption,alignment,sortby,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,at,ad,r1,r2,r3,r4,r5,r6,r7,r8,r9,r10,imported_question,db_name) values('','$new_gid','$surveyid','$obj->qtype','$caption1','$obj->alignment','$sortby','$a1','$a2','$a3','$a4','$a5','$a6','$a7','$a8','$a9','$a10','$at','$ad','$r1','$r2','$r3','$r4','$r5','$r6','$r7','$r8','$r9','$r10','$qid[$i]','$db_name')";
api_sql_query($sql_q_insert,__FILE__,__LINE__);
}
}
}
return $message;
}
/*
function import_group($surveyid,$gids,$db_name,$curr_dbname)
{
$gid_arr = explode(",",$gids);
$index = count($gid_arr);
for($i=0;$i<$index;$i++)
{
$sql = "SELECT * FROM $db_name.survey_group WHERE group_id = '$gid_arr[$i]'";
$res = api_sql_query($sql,__FILE__,__LINE__);
$obj = mysql_fetch_object($res);
$sql_ques = "SELECT * FROM $db_name.questions WHERE gid = '$gid_arr[$i]'";
$res_ques = api_sql_query($sql_ques,__FILE__,__LINE__);
$obj_ques = mysql_fetch_object($res_ques);
$sql_check = "SELECT * FROM $curr_dbname.survey_group WHERE survey_id = '$surveyid' AND imported_group = '$gid_arr[$i]' AND db_name = '$db_name'";
$res_check = api_sql_query($sql_check);
$obj_check = mysql_fetch_object($res_check);
$num = mysql_num_rows($res_check);
if($num>0)
{
$sql_question = "SELECT * FROM $curr_dbname.questions WHERE survey_id='$surveyid' AND imported_question = '$obj_ques->qid' AND db_name = '$db_name'";
$res_question = api_sql_query($sql_question,__FILE__,__LINE__);
$num_ques = mysql_num_rows($res_question);
if($num_ques>0)
{
$message=1;
}
else
{
$sql_insert_ques = "INSERT INTO $curr_dbname.questions (qid,gid,qtype,caption,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,at,ad,r1,r2,r3,r4,r5,r6,r7,r8,r9,r10,imported_question,db_name) values('','$obj_check->group_id','$surveyid','$obj_ques->qtype','$obj_ques->caption','$obj_ques->a1','$obj_ques->a2','$obj_ques->a3','$obj_ques->a4','$obj_ques->a5','$obj_ques->a6','$obj_ques->a7','$obj_ques->a8','$obj_ques->a9','$obj_ques->a10','$obj_ques->at','$obj_ques->ad','$obj_ques->r1','$obj_ques->r2','$obj_ques->r3','$obj_ques->r4','$obj_ques->r5','$obj_ques->r6','$obj_ques->r7','$obj_ques->r8','$obj_ques->r9','$obj_ques->r10','$obj_ques->qid','$db_name')";
api_sql_query($sql_insert_ques);
}
}
else
{
$insert_group = "INSERT INTO $curr_dbname.survey_group (group_id,survey_id,groupname,introduction,imported_group,db_name) values('','$surveyid','$obj->groupname','$obj->introduction','$obj->group_id','$db_name')";
$res_insert_group=api_sql_query($insert_group);
$new_gid = mysql_insert_id();
$sql_insert_grp = "INSERT INTO $curr_dbname.questions (qid,gid,qtype,caption,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,at,ad,r1,r2,r3,r4,r5,r6,r7,r8,r9,r10,imported_question,db_name) values('','$new_gid','$surveyid','$obj_ques->qtype','$obj_ques->caption','$obj_ques->a1','$obj_ques->a2','$obj_ques->a3','$obj_ques->a4','$obj_ques->a5','$obj_ques->a6','$obj_ques->a7','$obj_ques->a8','$obj_ques->a9','$obj_ques->a10','$obj_ques->at','$obj_ques->ad','$obj_ques->r1','$obj_ques->r2','$obj_ques->r3','$obj_ques->r4','$obj_ques->r5','$obj_ques->r6','$obj_ques->r7','$obj_ques->r8','$obj_ques->r9','$obj_ques->r10','$obj_ques->qid','$db_name')";
api_sql_query($sql_insert_grp);
}
}
return $message;
}
*/
/**
* Possible deprecated method
*/
function import_group($sid,$gids,$db_name,$curr_dbname)
{
$gid_arr = explode(",",$gids);
$index = count($gid_arr);
for($i=0;$i<$index;$i++)
{
$sql = "SELECT * FROM $db_name.survey_group WHERE group_id = '$gid_arr[$i]'";
$res = api_sql_query($sql);
$obj = mysql_fetch_object($res);
$groupname=addslashes($obj->groupname);
$introduction=addslashes($obj->introduction);
$g_sortby = intval($obj->sortby);
$sql_curr = "SELECT * FROM $curr_dbname.survey_group WHERE survey_id = '$sid' AND groupname = '$obj->groupname'";
$res_curr = api_sql_query($sql_curr);
$obj_curr = mysql_fetch_object($res_curr);
$gid = $obj_curr->group_id;
$num = mysql_num_rows($res_curr);
if($num>0) //the group name exists and the questions will be imported in this group.
{
$sql_ques = "SELECT * FROM $curr_dbname.questions WHERE gid = '$gid'";
$res_ques = api_sql_query($sql_ques);
$obj_ques = mysql_fetch_object($res_ques);
$count = mysql_num_rows($res_ques);
for($j=0;$j<$count;$j++)
{
$check_qid[] = mysql_result($res_ques,$j,"imported_question");
$check_db[] = mysql_result($res_ques,$j,"db_name");
}
$check_qid = @array_unique($check_qid);
$check_db = @array_unique($check_db);
$sql_old = "SELECT * FROM $db_name.questions WHERE gid = '$gid_arr[$i]'";
$res_old = api_sql_query($sql_old);
while($obj_old = mysql_fetch_object($res_old))
{
$caption1=addslashes($obj_old->caption);
$a1=addslashes($obj_old->a1);
$a2=addslashes($obj_old->a2);
$a3=addslashes($obj_old->a3);
$a4=addslashes($obj_old->a4);
$a5=addslashes($obj_old->a5);
$a6=addslashes($obj_old->a6);
$a7=addslashes($obj_old->a7);
$a8=addslashes($obj_old->a8);
$a9=addslashes($obj_old->a9);
$a10=addslashes($obj_old->a10);
$at=addslashes($obj_old->at);
$ad=addslashes($obj_old->ad);
$r1=addslashes($obj_old->r1);
$r2=addslashes($obj_old->r2);
$r3=addslashes($obj_old->r3);
$r4=addslashes($obj_old->r4);
$r5=addslashes($obj_old->r5);
$r6=addslashes($obj_old->r6);
$r7=addslashes($obj_old->r7);
$r8=addslashes($obj_old->r8);
$r9=addslashes($obj_old->r9);
$r10=addslashes($obj_old->r10);
$sql_sort = "SELECT max(sortby) AS sortby FROM $curr_dbname.questions ";
$res_sort=api_sql_query($sql_sort);
$rs=mysql_fetch_object($res_sort);
$sortby=$rs->sortby;
if(empty($sortby))
{$sortby=1;}
else{$sortby=$sortby+1;}
if(@in_array($obj_old->qid,$check_qid)&&@in_array($db_name,$check_db)) //the question has already been imported
{
$flag=1;
continue;
}
else
{
$sql_insertq = "INSERT INTO $curr_dbname.questions (qid, gid, survey_id, qtype, caption, alignment, sortby, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, at, ad, alt_text, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, imported_question, db_name) VALUES('', '$gid', '$sid', '$obj_old->qtype', '$caption1', '$obj_old->alignment', '$sortby', '$a1', '$a2', '$a3', '$a4', '$a5', '$a6', '$a7', '$a8', '$a9', '$a10', '$at', '$ad', '$alt_text', '$r1', '$r2', '$r3', '$r4', '$r5', '$r6', '$r7', '$r8', '$r9', '$r10', '$obj_old->qid', '$db_name')";
api_sql_query($sql_insertq);
}
}
}
else //the groupname does not exist. Create group with this name and insert questions in this new group.
{
$sql_insertg = "INSERT INTO $curr_dbname.survey_group (group_id, survey_id, groupname, introduction, imported_group, db_name, sortby) VALUES ('', '$sid', '$groupname', '$introduction', '$obj->group_id', '$db_name', $g_sortby)";
api_sql_query($sql_insertg);
$group_id = mysql_insert_id();
$sql_old = "SELECT * FROM $db_name.questions WHERE gid = '$gid_arr[$i]'";
$res_old = api_sql_query($sql_old);
while($obj_old = mysql_fetch_object($res_old))
{
$caption1=addslashes($obj_old->caption);
$a1=addslashes($obj_old->a1);
$a2=addslashes($obj_old->a2);
$a3=addslashes($obj_old->a3);
$a4=addslashes($obj_old->a4);
$a5=addslashes($obj_old->a5);
$a6=addslashes($obj_old->a6);
$a7=addslashes($obj_old->a7);
$a8=addslashes($obj_old->a8);
$a9=addslashes($obj_old->a9);
$a10=addslashes($obj_old->a10);
$at=addslashes($obj_old->at);
$ad=addslashes($obj_old->ad);
$r1=addslashes($obj_old->r1);
$r2=addslashes($obj_old->r2);
$r3=addslashes($obj_old->r3);
$r4=addslashes($obj_old->r4);
$r5=addslashes($obj_old->r5);
$r6=addslashes($obj_old->r6);
$r7=addslashes($obj_old->r7);
$r8=addslashes($obj_old->r8);
$r9=addslashes($obj_old->r9);
$r10=addslashes($obj_old->r10);
$sql_sort = "SELECT max(sortby) AS sortby FROM $curr_dbname.questions ";
$res_sort=api_sql_query($sql_sort);
$rs=mysql_fetch_object($res_sort);
$sortby=$rs->sortby;
if(empty($sortby))
{$sortby=1;}
else{$sortby=$sortby+1;}
$sql_insertq = "INSERT INTO $curr_dbname.questions (qid, gid, survey_id, qtype, caption, alignment, sortby, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, at, ad, alt_text, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, imported_question, db_name) VALUES('', '$group_id', '$sid', '$obj_old->qtype', '$caption1', '$obj_old->alignment', '$sortby', '$a1', '$a2', '$a3', '$a4', '$a5', '$a6', '$a7', '$a8', '$a9', '$a10', '$at', '$ad', '$obj_old->alt_text', '$r1', '$r2', '$r3', '$r4', '$r5', '$r6', '$r7', '$r8', '$r9', '$r10', '$obj_old->qid', '$db_name')";
api_sql_query($sql_insertq);
}
}
}
return ($flag);
}
/**
* Possible deprecated method
* Enter description here...
*
* @return unknown
* @todo remove this function because this is of no use and should not be used.
*/
function get_status()
{
global $_user;
$table_user = Database::get_main_table(TABLE_MAIN_USER);
$sqlm = "SELECT status FROM $table_user WHERE user_id = '".mysql_real_escape_string($_user['user_id'])."'";
$resm = api_sql_query($sqlm,__FILE__,__LINE__);
$objm=@mysql_fetch_object($resm);
$ss = $objm->status ;
return $ss;
}
/**
* Possible deprecated method
*/
function move_question($direction,$qid,$sort,$curr_dbname)
{
$questions=self::get_questions_move($curr_dbname);
foreach ($questions as $key=>$value)
{
if ($qid==$value['qid'])
{
$source_course=$value;
if ($direction=="up")
{
$target_course=$questions[$key-1];
}
else
{$target_course=$questions[$key+1];}
}
}
$sql_update1="UPDATE $curr_dbname.questions SET sortby='".$target_course['sortby']."' WHERE qid='".$source_course['qid']."'";
$sql_update2="UPDATE $curr_dbname.questions SET sortby='".$source_course['sortby']."' WHERE qid='".$target_course['qid']."'";
mysql_query($sql_update2);
mysql_query($sql_update1);
//return ;
}
/**
* Possible deprecated method
*/
function get_questions_move($curr_dbname)
{
$sql_select_questions="SELECT * from $curr_dbname.questions order by `sortby` asc";
$result=mysql_query($sql_select_questions);
while ($row=mysql_fetch_array($result))
{
// we only need the database name of the course
$question1[]=array("caption"=> $row['caption'], "qid" => $row['qid'],"sortby" => $row['sortby']);
}
return $question1;
}
/**
* Possible deprecated method
*/
function listGroups($id_survey, $fields = '*')
{
$groups_table = Database :: get_course_table(TABLE_SURVEY_QUESTION_GROUP);
$sql = 'SELECT '.$fields.' FROM '.$groups_table.'
WHERE survey_id='.$id_survey.' ORDER BY sortby';
$rs = api_sql_query($sql, __FILE__, __LINE__);
$groups = array();
while($row = mysql_fetch_array($rs)){
$groups[] = $row;
}
return $groups;
}
/**
* Possible deprecated method
*/
function listQuestions($id_survey, $fields = '*')
{
$questions_table = Database :: get_course_table(TABLE_MAIN_SURVEYQUESTION);
$groups_table = Database :: get_course_table(TABLE_SURVEY_QUESTION_GROUP);
$sql = 'SELECT '.$fields.'
FROM '.$questions_table.' questions
INNER JOIN '.$groups_table.' groups
ON questions.gid = groups.group_id
WHERE questions.survey_id='.$id_survey.'
ORDER BY groups.sortby, questions.sortby';
$rs = api_sql_query($sql, __FILE__, __LINE__);
$questions = array();
while($row = mysql_fetch_array($rs)){
$questions[] = $row;
}
return $questions;
}
/**
* Possible deprecated method
*/
function listAnswers($qid){
$answers_table = Database :: get_course_table(TABLE_SURVEY_REPORT);
$sql = 'SELECT DISTINCT answer FROM '.$answers_table.'
WHERE qid='.$qid;
$rs = api_sql_query($sql, __FILE__, __LINE__);
$answers = array();
while($row = mysql_fetch_array($rs)){
$answers[] = $row;
}
return $answers;
}
/**
* Possible deprecated method
*/
function listUsers($survey_id, $dbname, $fields='id, user_id, firstname, lastname, email, organization') {
$tbl_survey_users = Database :: get_main_table(TABLE_MAIN_SURVEY_USER);
$order_clause = api_sort_by_first_name() ? ' ORDER BY firstname, lastname' : ' ORDER BY lastname, firstname';
$sql = 'SELECT '.$fields.' FROM '.$tbl_survey_users.'
WHERE survey_id='.$survey_id.'
AND db_name="'.$dbname.
$order_clause;
$rs = api_sql_query($sql, __FILE__, __LINE__);
$users = array();
while ($row = mysql_fetch_array($rs)) {
$users[] = $row;
}
return $users;
}
/**
* Possible deprecated method
*/
function getUserAnswersDetails($id_userAnswers, $params=''){
$table_answers = Database :: get_main_table(TABLE_MAIN_SURVEY_USER);
$sql = 'SELECT * FROM '.$table_answers.' '.$where.' '.$order;
$rs = api_sql_query($sql, __FILE__, __LINE__);
$answers = array();
while($row = mysql_fetch_array($rs))
$answers[] = $row;
return $answers;
}
}
/**
*
* Manage the "versioning" of a conditional survey
*
* */
class SurveyTree {
public $surveylist;
public $plainsurveylist;
public $numbersurveys;
/**
* Sets the surveylist and the plainsurveylist
*/
public function __construct() {
// Database table definitions
$table_survey = Database :: get_course_table(TABLE_SURVEY);
$table_survey_question = Database :: get_course_table(TABLE_SURVEY_QUESTION);
$table_user = Database :: get_main_table(TABLE_MAIN_USER);
// searching
$search_restriction = SurveyUtil::survey_search_restriction();
if ($search_restriction) {
$search_restriction = ' AND '.$search_restriction;
}
$sql = "SELECT survey.survey_id , survey.parent_id, survey_version, survey.code as name
FROM $table_survey survey
LEFT JOIN $table_survey_question survey_question
ON survey.survey_id = survey_question.survey_id , $table_user user
WHERE survey.author = user.user_id
GROUP BY survey.survey_id";
$res = api_sql_query($sql, __FILE__, __LINE__);
$surveys_parents = array ();
$refs = array();
$list = array();
$last=array();
$plain_array=array();
while ($survey = Database::fetch_array($res,'ASSOC'))
{
$plain_array[$survey['survey_id']]=$survey;
$surveys_parents[]=$survey['survey_version'];
$thisref = &$refs[ $survey['survey_id'] ];
$thisref['parent_id'] = $survey['parent_id'];
$thisref['name'] = $survey['name'];
$thisref['id'] = $survey['survey_id'];
$thisref['survey_version'] = $survey['survey_version'];
if ($survey['parent_id'] == 0)
{
$list[ $survey['survey_id'] ] = &$thisref;
}
else
{
$refs[ $survey['parent_id'] ]['children'][ $survey['survey_id'] ] = &$thisref;
}
}
$this->surveylist = $list;
$this->plainsurveylist = $plain_array;
}
/*
function read_children($space=array(),$i=0)
{
foreach ( $this->surveylist as $key=>$node)
{
if (is_array($node['children']))
{
if (($node['parent_id']==0))
{
//echo '1<br>';
}
else
{
$space[]='2>';
}
//if have children
for ($j=0;$j<count($space);$j++)
{
//echo $space[$j]; echo 'dd<br>';
}
//echo $node['name']; echo '3<br>';
read_children($node['children'],$space,$i);
}
else
{
for ($j=0;$j<count($space);$j++)
{
echo $space[$j]; echo '4<br>';
}
echo $node['name']; echo '5<br>';
}
}
}
*/
/*
if (($key==$id))
{
echo $node['name']; echo '<br>';
//$node['children']=array();
return $node['children'];
}
else
{
if (is_array($node['children']))
{
return SurveyTree::get_children($node['children'],$id);
}
else
{
//return SurveyTree::get_children($node, $id);
}
}
*/
/**
* This function gets all the children of a given survey id
*
* @param array the list where we are going to search the children
* @param id the id of the survey
* @return array the children of a given survey id
*
* @author Julio Montoya <gugli100@gmail.com>, Dokeos
* @version September 2008
*/
public function get_children ($list,$id) {
$result=array();
foreach ($list as $key=>$node)
{
if ($key==$id)
{
$result = $node['children'];
break;
}
if (is_array($node['children']))
{
//echo $key; echo '--<br>';
$re=self::get_children($node['children'],$id);
if (!empty($re))
{
$result=$re;
}
}
else
{
//echo $key; echo '-<br>';
}
}
return $result;
}
/**
* This function gets the parent id of a survey
*
* @param int survey id
* @return int survey parent id
*
* @author Julio Montoya <gugli100@gmail.com>, Dokeos
* @version September 2008
*/
public function getParentId ($id) {
$node = $this->plainsurveylist[$id];
if (is_array($node)&& !empty($node['parent_id']))
return $node['parent_id'];
else
return -1;
}
/**
* This function gets all the siblings of a given survey id
*
* @param array the list where we are going to search the children
* @param id the id of the survey
* @return array the children of a given survey id
*
* @author Julio Montoya <gugli100@gmail.com>, Dokeos
* @version September 2008
*/
public function nextSibling($id) {
$result=array();
$parent_id = self::getParentId($id);
$siblings = self::get_children($this->surveylist ,$parent_id);
//print_r($siblings);
if (count($siblings) > 1)
{
// $key> $id means that the siblings are order 1 2 3 and we suppose that you can't change that order
foreach ($siblings as $key=>$bro)
{
if ($key> $id && $key != $id)
{
$result[$key]=($bro);
}
}
}
return $result;
}
/**
*
* This function shows the last sibling from a given list of surveys
* @param id of the survey
* @author Julio Montoya <gugli100@gmail.com>, Dokeos
* @version September 2008
*
*/
public function lastSibling($id) {
$result=array();
$parent_id = self::getParentId($id);
$siblings = self::get_children($this->surveylist ,$parent_id);
//print_r($siblings);
if (count($siblings) > 1)
{
// $key> $id means that the siblings are order 1 2 3 and we suppose that you can't change that order
$i=0;
foreach ($siblings as $key=>$bro)
{
if ($key> $id && $key != $id&& $i==count($siblings)-1)
{
$result[$key]=($bro);
}
$i++;
}
}
return $result;
}
/**
*
* This function shows the last children of a branch
* @param list of nodes
* @return array of the lastest node
* @author Julio Montoya <gugli100@gmail.com>, Dokeos
* @version September 2008
*
*/
public function get_last_children_from_branch($list) {
$result=array();
foreach ($list as $key=>$node)
{
//echo 'frist<br>'; echo $key;
//print_r($node);
if ($node['parent_id']!=0)
{
$list_bros = self::lastSibling($key);
//echo ' list_bro <br>';
//print_r($list_bros);
if (is_array($list_bros) && !empty($list_bros))
{
foreach ($list_bros as $bro)
{
//echo '0';
if (is_array($bro['children']))
{
//print_r($bro['children']);
return $result[]=self::get_last_children_from_branch($bro['children']);
}
else
{
//echo 'esl';
$result=$bro;
//print_r($bro);
return $result;
}
}
}
else
{
//SurveyTree::get_last_children_from_branch($list_bros);
//echo 'sss';
//if if (is_array($node['children']))
$children = self::get_children($node,$key);
//return $result[]=SurveyTree::get_last_children_from_branch($node);
if (is_array($node['children']))
{
return $result[]=self::get_last_children_from_branch($node['children']);
}
else
{
//return $result[]=SurveyTree::get_last_children_from_branch($node['children']);
return $result[]=$node;
}
}
}
else
{
//print_r($key);print_r($node['children']);
if (is_array($node['children']))
{
$result[]=self::get_last_children_from_branch($node['children']);
}
else
{
$result[]=$node;
}
}
}
return $result;
}
/*
*
*
* This function show the last children of list
* @param id
* @param array
* @return array of the lastest node
* @author Julio Montoya <gugli100@gmail.com>, Dokeos
* @version September 2008
*
function get_last_children($id,$last)
{
foreach ( $this->_list as $key=>$node)
{
if (($node['parent_id']==$id))
{
$last=$node['name']; echo '<br>';
}
else
{
if (is_array($node['children']))
{
return $last = get_last_children($node['children'],$id);
}
}
}
return $last;
}
*/
/**
* This function creates a list of all surveys id
* @param list of nodes
* @return array with the structure survey_id => survey_name
* @author Julio Montoya <gugli100@gmail.com>, Dokeos
* @version September 2008
*
*/
public function createList ($list) {
$result=array();
foreach ($list as $key=>$node)
{
if (is_array($node['children']))
{
//echo $key; echo '--<br>';
//print_r($node);
//echo '<br>';
$result[$key]= $node['name'];
$re=self::createList($node['children']);
if (!empty($re))
{
if (is_array($re))
foreach ($re as $key=>$r)
{
$result[$key]=''.$r;
}
else
{
$result[]=$re;
}
}
}
else
{
//echo $key; echo '-<br>';
$result[$key]=$node['name'];
}
}
return $result;
}
}
?>