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

603 lines
20 KiB

<?php
/* For licensing terms, see /license.txt */
/**
* This library provides functions for user management.
* Include/require it in your code to use its functionality.
*
* @author Bart Mollet, main author
* @package chamilo.library
*/
//@todo This class is deprecated
/*
class SurveyManager {
private function __construct() {
}
//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'";
$res = Database::query($sql_query);
$firstname=@Database::result($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'";
$res = Database::query($sql);
$author=@Database::result($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'";
$res = Database::query($sql);
$surveyid=@Database::result($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'";
$res=Database::query($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')";
$result=Database::query($sql);
return Database::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;
$result=Database::query($sql);
$code=@Database::result($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!='' ";
$sql_result = Database::query($sql_query);
echo "<select name=\"author\">";
echo "<option value=\"\"><--Select Survey--></optional>";
while ($result =@Database::fetch_array($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())";
$result = Database::query($sql);
//$result = Database::query($sql);
$survey_id = Database::insert_id();
$sql2 = "INSERT INTO $table_group(group_id,survey_id,groupname,introduction) values('','$survey_id','No Group','This is your Default Group')";
$result = Database::query($sql2);
return $survey_id;
}
//Possible deprecated method
//Possible deprecated method
function create_survey_attach($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())";
$result = Database::query($sql);
$survey_id = Database::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'";
$res_course = Database::query($sql_course);
$obj_course=@Database::fetch_object($res_course);
$curr_dbname = $obj_course->db_name ;
$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'";
Database::query($sql);
return $curr_dbname;
}
// Possible deprecated method
function update_question($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'";
$result = Database::query($sql);
return Database::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'";
$res=Database::query($sql);
$code=@Database::result($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'";
$res=Database::query($sql);
$code=@Database::num_rows($res);
return($code);
}
//Possible deprecated method
function get_data($id, $field)
{
global $_course;
$sql='SELECT '.$field.' FROM '.$_course['dbName'].'.survey WHERE survey_id='.intval($id);
$res=Database::query($sql);
$code=@Database::result($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);
$res=Database::query($sql);
return Database::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";
$res=Database::query($sql);
$code=@Database::result($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";
$res=Database::query($sql);
$code=@Database::result($res,0,'title');
return($code);
}
//Possible deprecated method
function import_questions($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')";
$res = Database::query($sql);
$sql = "INSERT INTO $table_group('survey_id', 'groupname') values('$sid', '$groupname')";
$res = Database::query($sql);
$gid_arr[$index]+= Database::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 $survey_id
// @author unknown
// @author Patrick Cool <patrick.cool@UGent.be>, Ghent University, cleanup and refactoring
public static function delete_survey($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."'";
Database::query($sql);
// Deleting all the questions of the survey
$sql = "SELECT * FROM $table_group WHERE survey_id='".$survey_id."'";
$res = Database::query($sql);
while($obj = Database::fetch_object($res))
{
$sql = "DELETE FROM $table_question WHERE gid='".$obj->group_id."'";
Database::query($sql);
}
// Deleting the groups of the survey
$sql = "DELETE FROM $table_group WHERE survey_id='".$survey_id."'";
Database::query($sql);
return true;
}
function delete_group($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."'";
Database::query($sql);
$sql = "DELETE FROM $table_survey_group WHERE group_id='".$group_id."'";
Database::query($sql);
}
// Possible deprecated method
function select_group_list($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'";
$sql_result = Database::query($sql);
if(Database::num_rows($sql_result)>0)
{
$str_group_list = "";
$str_group_list .= "<select name=\"exiztinggroup\" $extra_script>\n";
while($result=Database::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 $str_group_list;
}
else
{
return false;
}
}
//Possible deprecated method
function display_imported_group($sid,$table_group,$table_question)
{
$sql = "SELECT group_id FROM $table_group WHERE survey_id='$sid'";
$res = Database::query($sql);
$num = @Database::num_rows($res);
//echo "ths is num".$num;
$parameters = array();
$displays = array();
while($obj = @Database::fetch_object($res))
{
$groupid = $obj->group_id;
$query = "SELECT * FROM $table_question WHERE gid = '$groupid'";
$result = Database::query($query);
while($object = @Database::fetch_object($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'";
$res = Database::query($sql);
while($obj=@Database::fetch_object($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')";
$resnext = Database::query($sql_insert);
$groupid = Database::insert_id();
$sql_q = "SELECT * FROM $db_name.questions WHERE gid = '$obj->group_id'";
$res_q = Database::query($sql_q);
while($obj_q = Database::fetch_object($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 ";
$res_sort=Database::query($sql_sort);
$rs=Database::fetch_object($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','$r10')";
Database::query($sql_q_insert);
}
}
}
// Possible deprecated method
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'";
Database::query($sql);
}
// Possible deprecated method
function create_course_survey_rel($cidReq,$survey_id,$table_course,$table_course_survey_rel)
{
$sql = "SELECT * FROM $table_course WHERE code = '$cidReq'";
$res = Database::query($sql);
$obj=@Database::fetch_object($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')";
Database::query($sql);
return $db_name;
}
// Possible deprecated method
function pick_surveyname($sid)
{
$surveytable=Database:: get_course_table(TABLE_SURVEY);
$sql="SELECT * FROM $surveytable WHERE survey_id=$sid";
$res=Database::query($sql);
$code=@Database::result($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'";
$res = Database::query($sql);
$author=@Database::result($res,0,'author');
return $author;
}
function get_status()
{
global $_user;
$table_user = Database::get_main_table(TABLE_MAIN_USER);
$sqlm = "SELECT status FROM $table_user WHERE user_id = '".Database::escape_string($_user['user_id'])."'";
$resm = Database::query($sqlm);
$objm=@Database::fetch_object($resm);
$ss = $objm->status ;
return $ss;
}
}
*/
/**
*
* 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";
$res = Database::query($sql);
$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 = $plain_array;
}
/**
* This function gets the parent id of a survey
*
* @param int survey id
* @return int survey parent id
*
* @author Julio Montoya <gugli100@gmail.com>, Dokeos
* @version September 2008
*/
public function getParentId ($id) {
$node = $this->plainsurveylist[$id];
if (is_array($node)&& !empty($node['parent_id']))
return $node['parent_id'];
else
return -1;
}
/**
* This function creates a list of all surveys id
* @param list of nodes
* @return array with the structure survey_id => survey_name
* @author Julio Montoya <gugli100@gmail.com>, Dokeos
* @version September 2008
*
*/
public function createList ($list) {
$result=array();
if(is_array($list)) {
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;
}
}
?>