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limesurvey_ynh/sources/application/helpers/admin/activate_helper.php

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<?php
/*
* LimeSurvey
* Copyright (C) 2007-2011 The LimeSurvey Project Team / Carsten Schmitz
* All rights reserved.
* License: GNU/GPL License v2 or later, see LICENSE.php
* LimeSurvey is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* See COPYRIGHT.php for copyright notices and details.
*
*/
/**
* fixes the numbering of questions
* This can happen if question 1 have subquestion code 1 and have question 11 in same survey and group (then same SGQA)
* @param int $fixnumbering
* @todo can call this function (no $_GET, but getParam) AND do it with Yii
*/
function fixNumbering($iQuestionID, $iSurveyID)
{
Yii::app()->loadHelper("database");
LimeExpressionManager::RevertUpgradeConditionsToRelevance($iSurveyID);
//Fix a question id - requires renumbering a question
$iQuestionID = (int) $iQuestionID;
$iMaxQID=Question::model()->getMaxId('qid', true); // Always refresh as we insert new qid's
$iNewQID=$iMaxQID+1;
// Not sure we can do this in MSSQL ?
$sQuery = "UPDATE {{questions}} SET qid=$iNewQID WHERE qid=$iQuestionID";
Yii::app()->db->createCommand($sQuery)->query();
// Update subquestions
$sQuery = "UPDATE {{questions}} SET parent_qid=$iNewQID WHERE parent_qid=$iQuestionID";
Yii::app()->db->createCommand($sQuery)->query();
//Update conditions.. firstly conditions FOR this question
$sQuery = "UPDATE {{conditions}} SET qid=$iNewQID WHERE qid=$iQuestionID";
Yii::app()->db->createCommand($sQuery)->query();
//Update default values
$sQuery = "UPDATE {{defaultvalues}} SET qid=$iNewQID WHERE qid=$iQuestionID";
Yii::app()->db->createCommand($sQuery)->query();
$sQuery = "UPDATE {{defaultvalues}} SET sqid=$iNewQID WHERE sqid=$iQuestionID";
Yii::app()->db->createCommand($sQuery)->query();
//Update quotas
$sQuery = "UPDATE {{quota_members}} SET qid=$iNewQID WHERE qid=$iQuestionID";
Yii::app()->db->createCommand($sQuery)->query();
//Update url params
$sQuery = "UPDATE {{survey_url_parameters}} SET targetqid=$iNewQID WHERE targetqid=$iQuestionID";
Yii::app()->db->createCommand($sQuery)->query();
$sQuery = "UPDATE {{survey_url_parameters}} SET targetsqid=$iNewQID WHERE targetsqid=$iQuestionID";
Yii::app()->db->createCommand($sQuery)->query();
//Now conditions based upon this question
$sQuery = "SELECT cqid, cfieldname FROM {{conditions}} WHERE cqid=$iQuestionID";
$sResult=Yii::app()->db->createCommand($sQuery)->query();
foreach ($sResult->readAll() as $row){
$aSwitcher[]=array("cqid"=>$row['cqid'], "cfieldname"=>$row['cfieldname']);
}
if (isset($aSwitcher))
{
foreach ($aSwitcher as $aSwitch)
{
$sQuery = "UPDATE {{conditions}}
SET cqid=$iNewQID,
cfieldname='".str_replace("X".$iQuestionID, "X".$iNewQID, $aSwitch['cfieldname'])."'
WHERE cqid=$iQuestionID";
$sResult = db_execute_assosc($sQuery);
}
}
//Now question_attributes
$sQuery = "UPDATE {{question_attributes}} SET qid=$iNewQID WHERE qid=$iQuestionID";
Yii::app()->db->createCommand($sQuery)->query();
//Now answers
$sQuery = "UPDATE {{answers}} SET qid=$iNewQID WHERE qid=$iQuestionID";
Yii::app()->db->createCommand($sQuery)->query();
LimeExpressionManager::UpgradeConditionsToRelevance($iSurveyID);
}
/**
* checks consistency of groups
* @return <type>
*/
function checkGroup($postsid)
{
$clang = Yii::app()->lang;
$baselang = Survey::model()->findByPk($postsid)->language;
$groupquery = "SELECT g.gid,g.group_name,count(q.qid) as count from {{questions}} as q RIGHT JOIN {{groups}} as g ON q.gid=g.gid AND g.language=q.language WHERE g.sid=$postsid AND g.language='$baselang' group by g.gid,g.group_name;";
$groupresult=Yii::app()->db->createCommand($groupquery)->query()->readAll();
foreach ($groupresult as $row)
{ //TIBO
if ($row['count'] == 0)
{
$failedgroupcheck[]=array($row['gid'], $row['group_name'], ": ".$clang->gT("This group does not contain any question(s)."));
}
}
if(isset($failedgroupcheck))
return $failedgroupcheck;
else
return false;
}
/**
* checks questions in a survey for consistency
* @param <type> $postsid
* @param <type> $iSurveyID
* @return array $faildcheck
*/
function checkQuestions($postsid, $iSurveyID, $qtypes)
{
$clang = Yii::app()->lang;
//CHECK TO MAKE SURE ALL QUESTION TYPES THAT REQUIRE ANSWERS HAVE ACTUALLY GOT ANSWERS
//THESE QUESTION TYPES ARE:
// # "L" -> LIST
// # "O" -> LIST WITH COMMENT
// # "M" -> Multiple choice
// # "P" -> Multiple choice with comments
// # "A", "B", "C", "E", "F", "H", "^" -> Various Array Types
// # "R" -> RANKING
// # "U" -> FILE CSV MORE
// # "I" -> LANGUAGE SWITCH
// # ":" -> Array Multi Flexi Numbers
// # ";" -> Array Multi Flexi Text
// # "1" -> MULTI SCALE
$chkquery = "SELECT qid, question, gid, type FROM {{questions}} WHERE sid={$iSurveyID} and parent_qid=0";
$chkresult = Yii::app()->db->createCommand($chkquery)->query()->readAll();
foreach ($chkresult as $chkrow)
{
if ($qtypes[$chkrow['type']]['subquestions']>0)
{
$chaquery = "SELECT * FROM {{questions}} WHERE parent_qid = {$chkrow['qid']} ORDER BY question_order";
$charesult=Yii::app()->db->createCommand($chaquery)->query()->readAll();
$chacount=count($charesult);
if ($chacount == 0)
{
$failedcheck[]=array($chkrow['qid'], $chkrow['question'], ": ".$clang->gT("This question has no subquestions."), $chkrow['gid']);
}
}
if ($qtypes[$chkrow['type']]['answerscales']>0)
{
$chaquery = "SELECT * FROM {{answers}} WHERE qid = {$chkrow['qid']} ORDER BY sortorder, answer";
$charesult=Yii::app()->db->createCommand($chaquery)->query()->readAll();
$chacount=count($charesult);
if ($chacount == 0)
{
$failedcheck[]=array($chkrow['qid'], $chkrow['question'], ": ".$clang->gT("This question has no answers."), $chkrow['gid']);
}
}
}
//NOW CHECK THAT ALL QUESTIONS HAVE A 'QUESTION TYPE' FIELD SET
$chkquery = "SELECT qid, question, gid FROM {{questions}} WHERE sid={$iSurveyID} AND type = ''";
$chkresult = Yii::app()->db->createCommand($chkquery)->query()->readAll();
foreach ($chkresult as $chkrow)
{
$failedcheck[]=array($chkrow['qid'], $chkrow['question'], ": ".$clang->gT("This question does not have a question 'type' set."), $chkrow['gid']);
}
//Check that certain array question types have answers set
$chkquery = "SELECT q.qid, question, gid FROM {{questions}} as q WHERE (select count(*) from {{answers}} as a where a.qid=q.qid and scale_id=0)=0 and sid={$iSurveyID} AND type IN ('F', 'H', 'W', 'Z', '1') and q.parent_qid=0";
$chkresult = Yii::app()->db->createCommand($chkquery)->query()->readAll();
foreach($chkresult as $chkrow){
$failedcheck[]=array($chkrow['qid'], $chkrow['question'], ": ".$clang->gT("This question requires answers, but none are set."), $chkrow['gid']);
} // while
//CHECK THAT DUAL Array has answers set
$chkquery = "SELECT q.qid, question, gid FROM {{questions}} as q WHERE (select count(*) from {{answers}} as a where a.qid=q.qid and scale_id=1)=0 and sid={$iSurveyID} AND type='1' and q.parent_qid=0";
$chkresult = Yii::app()->db->createCommand($chkquery)->query()->readAll();
foreach ($chkresult as $chkrow){
$failedcheck[]=array($chkrow['qid'], $chkrow['question'], ": ".$clang->gT("This question requires a second answer set but none is set."), $chkrow['gid']);
} // while
//TO AVOID NATURAL SORT ORDER ISSUES, FIRST GET ALL QUESTIONS IN NATURAL SORT ORDER, AND FIND OUT WHICH NUMBER IN THAT ORDER THIS QUESTION IS
$qorderquery = "SELECT * FROM {{questions}} WHERE sid=$iSurveyID AND type not in ('S', 'D', 'T', 'Q')";
$qorderresult = Yii::app()->db->createCommand($qorderquery)->query()->readAll();
$qrows = array(); //Create an empty array in case FetchRow does not return any rows
foreach ($qorderresult as $qrow) {$qrows[] = $qrow;} // Get table output into array
usort($qrows, 'groupOrderThenQuestionOrder'); // Perform a case insensitive natural sort on group name then question title of a multidimensional array
$c=0;
foreach ($qrows as $qr)
{
$qidorder[]=array($c, $qrow['qid']);
$c++;
}
$qordercount="";
//1: Get each condition's question id
$conquery= "SELECT {{conditions}}.qid, cqid, {{questions}}.question, "
. "{{questions}}.gid "
. "FROM {{conditions}}, {{questions}}, {{groups}} "
. "WHERE {{questions}}.sid={$iSurveyID} "
. "AND {{conditions}}.qid={{questions}}.qid "
. "AND {{questions}}.gid={{groups}}.gid ORDER BY {{conditions}}.qid";
$conresult=Yii::app()->db->createCommand($conquery)->query()->readAll();
//2: Check each conditions cqid that it occurs later than the cqid
foreach ($conresult as $conrow)
{
$cqidfound=0;
$qidfound=0;
$b=0;
while ($b<$qordercount)
{
if ($conrow['cqid'] == $qidorder[$b][1])
{
$cqidfound = 1;
$b=$qordercount;
}
if ($conrow['qid'] == $qidorder[$b][1])
{
$qidfound = 1;
$b=$qordercount;
}
if ($qidfound == 1)
{
$failedcheck[]=array($conrow['qid'], $conrow['question'], ": ".$clang->gT("This question has a condition set, however the condition is based on a question that appears after it."), $conrow['gid']);
}
$b++;
}
}
//CHECK THAT ALL THE CREATED FIELDS WILL BE UNIQUE
$fieldmap = createFieldMap($iSurveyID,'full',true,false,getBaseLanguageFromSurveyID($iSurveyID),$aDuplicateQIDs);
if (count($aDuplicateQIDs))
{
foreach ($aDuplicateQIDs as $iQID=>$aDuplicate)
{
$sFixLink = "[<a href='".Yii::app()->getController()->createUrl("/admin/survey/sa/activate/surveyid/{$iSurveyID}/fixnumbering/{$iQID}")."'>Click here to fix</a>]";
$failedcheck[]=array($iQID, $aDuplicate['question'], ": Bad duplicate fieldname {$sFixLink}", $aDuplicate['gid']);
}
}
if(isset($failedcheck))
return $failedcheck;
else
return false;
}
/**
* Function to activate a survey
* @param int $iSurveyID The Survey ID
* @param bool $simulate
* @return string
*/
function activateSurvey($iSurveyID, $simulate = false)
{
$createsurvey='';
$activateoutput='';
$createsurveytimings='';
$fieldstiming = array();
$createsurveydirectory=false;
//Check for any additional fields for this survey and create necessary fields (token and datestamp)
$prow = Survey::model()->findByAttributes(array('sid' => $iSurveyID));
//Get list of questions for the base language
$fieldmap = createFieldMap($iSurveyID,'full',true,false,getBaseLanguageFromSurveyID($iSurveyID));
$createsurvey = array();
foreach ($fieldmap as $j=>$arow) //With each question, create the appropriate field(s)
{
switch($arow['type'])
{
case 'startlanguage':
$createsurvey[$arow['fieldname']] = "VARCHAR(20) NOT NULL";
break;
case 'id':
$createsurvey[$arow['fieldname']] = "pk";
break;
case "startdate":
case "datestamp":
$createsurvey[$arow['fieldname']] = "datetime NOT NULL";
break;
case "submitdate":
$createsurvey[$arow['fieldname']] = "datetime";
break;
case "lastpage":
$createsurvey[$arow['fieldname']] = "integer";
break;
case "N": //Numerical
case "K": //Multiple Numerical
$createsurvey[$arow['fieldname']] = "decimal (30,10)";
break;
case "S": //SHORT TEXT
if (Yii::app()->db->driverName == 'mysql' || Yii::app()->db->driverName == 'mysqli') {$createsurvey[$arow['fieldname']] = "text";}
elseif (Yii::app()->db->driverName=='mssql' || Yii::app()->db->driverName=='sqlsrv' || Yii::app()->db->driverName=='dblib')
{
$createsurvey[$arow['fieldname']] = "nvarchar(255)";
}
else {$createsurvey[$arow['fieldname']] = "string";}
break;
case "L": //LIST (RADIO)
case "!": //LIST (DROPDOWN)
case "M": //Multiple choice
case "P": //Multiple choice with comment
case "O": //DROPDOWN LIST WITH COMMENT
if ($arow['aid'] != 'other' && strpos($arow['aid'],'comment')===false && strpos($arow['aid'],'othercomment')===false)
{
$createsurvey[$arow['fieldname']] = "VARCHAR(5)";
}
else
{
$createsurvey[$arow['fieldname']] = "text";
}
break;
case "U": //Huge text
case "Q": //Multiple short text
case "T": //LONG TEXT
case ";": //Multi Flexi
case ":": //Multi Flexi
$createsurvey[$arow['fieldname']] = "text";
break;
case "D": //DATE
$createsurvey[$arow['fieldname']] = "datetime";
break;
case "5": //5 Point Choice
case "G": //Gender
case "Y": //YesNo
case "X": //Boilerplate
$createsurvey[$arow['fieldname']] = "VARCHAR(1)";
break;
case "I": //Language switch
$createsurvey[$arow['fieldname']] = "VARCHAR(20)";
break;
case "|":
$createsurveydirectory = true;
if (strpos($arow['fieldname'], "_"))
$createsurvey[$arow['fieldname']] = "integer";
else
$createsurvey[$arow['fieldname']] = "text";
break;
case "ipaddress":
if ($prow->ipaddr == "Y")
$createsurvey[$arow['fieldname']] = "text";
break;
case "url":
if ($prow->refurl == "Y")
$createsurvey[$arow['fieldname']] = "text";
break;
case "token":
$createsurvey[$arow['fieldname']] = "VARCHAR(36)";
break;
case '*': // Equation
$createsurvey[$arow['fieldname']] = "text";
break;
default:
$createsurvey[$arow['fieldname']] = "VARCHAR(5)";
}
if ($prow->anonymized == 'N' && !array_key_exists('token',$createsurvey)) {
$createsurvey['token'] = "VARCHAR(36)";
}
if ($simulate){
$tempTrim = trim($createsurvey);
$brackets = strpos($tempTrim,"(");
if ($brackets === false){
$type = substr($tempTrim,0,2);
}
else{
$type = substr($tempTrim,0,2);
}
$arrSim[] = array($type);
}
if (Yii::app()->db->driverName=='mssql' || Yii::app()->db->driverName=='sqlsrv' || Yii::app()->db->driverName=='dblib')
{
if ($createsurvey[$arow['fieldname']] == "text")
{
$createsurvey[$arow['fieldname']] = "ntext";
}
}
}
if ($simulate){
return array('dbengine'=>$CI->db->databasetabletype, 'dbtype'=>Yii::app()->db->driverName, 'fields'=>$arrSim);
}
// If last question is of type MCABCEFHP^QKJR let's get rid of the ending coma in createsurvey
//$createsurvey = rtrim($createsurvey, ",\n")."\n"; // Does nothing if not ending with a comma
$tabname = "{{survey_{$iSurveyID}}}";
Yii::app()->loadHelper("database");
try
{
$execresult = createTable($tabname, $createsurvey);
Yii::app()->db->schema->getTable($tabname, true); // Refresh schema cache just in case the table existed in the past
}
catch (CDbException $e)
{
return array('error'=>'surveytablecreation');
}
try
{
if (isset($createsurvey['token'])) Yii::app()->db->createCommand()->createIndex("idx_survey_token_{$iSurveyID}_".rand(1,50000),$tabname,'token');
}
catch (CDbException $e)
{
}
$anquery = "SELECT autonumber_start FROM {{surveys}} WHERE sid={$iSurveyID}";
$iAutoNumberStart=Yii::app()->db->createCommand($anquery)->queryScalar();
//if there is an autonumber_start field, start auto numbering here
if ($iAutoNumberStart!==false && $iAutoNumberStart>0)
{
if (Yii::app()->db->driverName=='mssql' || Yii::app()->db->driverName=='sqlsrv' || Yii::app()->db->driverName=='dblib') {
mssql_drop_primary_index('survey_'.$iSurveyID);
mssql_drop_constraint('id','survey_'.$iSurveyID);
$sQuery = "alter table {{survey_{$iSurveyID}}} drop column id ";
Yii::app()->db->createCommand($sQuery)->execute();
$sQuery = "alter table {{survey_{$iSurveyID}}} add [id] int identity({$iAutoNumberStart},1)";
Yii::app()->db->createCommand($sQuery)->execute();
}
elseif (Yii::app()->db->driverName=='pgsql')
{
$sQuery = "SELECT setval(pg_get_serial_sequence('{{survey_{$iSurveyID}}}', 'id'),{$iAutoNumberStart},false);";
$result = @Yii::app()->db->createCommand($sQuery)->execute();
}
else
{
$sQuery = "ALTER TABLE {{survey_{$iSurveyID}}} AUTO_INCREMENT = {$iAutoNumberStart}";
$result = @Yii::app()->db->createCommand($sQuery)->execute();
}
}
if ($prow->savetimings == "Y")
{
$timingsfieldmap = createTimingsFieldMap($iSurveyID,"full",false,false,getBaseLanguageFromSurveyID($iSurveyID));
$column = array();
$column['id'] = $createsurvey['id'];
foreach ($timingsfieldmap as $field=>$fielddata)
{
$column[$field] = 'FLOAT';
}
$tabname = "{{survey_{$iSurveyID}_timings}}";
try
{
$execresult = createTable($tabname,$column);
Yii::app()->db->schema->getTable($tabname, true); // Refresh schema cache just in case the table existed in the past
}
catch (CDbException $e)
{
return array('error'=>'timingstablecreation');
}
}
$aResult=array('status'=>'OK');
// create the survey directory where the uploaded files can be saved
if ($createsurveydirectory)
{
if (!file_exists(Yii::app()->getConfig('uploaddir') . "/surveys/" . $iSurveyID . "/files"))
{
if (!(mkdir(Yii::app()->getConfig('uploaddir') . "/surveys/" . $iSurveyID . "/files", 0777, true)))
{
$aResult['warning']='nouploadsurveydir';
} else {
file_put_contents(Yii::app()->getConfig('uploaddir') . "/surveys/" . $iSurveyID . "/files/index.html", '<html><head></head><body></body></html>');
}
}
}
$acquery = "UPDATE {{surveys}} SET active='Y' WHERE sid=".$iSurveyID;
$acresult = Yii::app()->db->createCommand($acquery)->query();
return $aResult;
}
function mssql_drop_constraint($fieldname, $tablename)
{
global $modifyoutput;
Yii::app()->loadHelper("database");
// find out the name of the default constraint
// Did I already mention that this is the most suckiest thing I have ever seen in MSSQL database?
$dfquery ="SELECT c_obj.name AS constraint_name
FROM sys.sysobjects AS c_obj INNER JOIN
sys.sysobjects AS t_obj ON c_obj.parent_obj = t_obj.id INNER JOIN
sys.sysconstraints AS con ON c_obj.id = con.constid INNER JOIN
sys.syscolumns AS col ON t_obj.id = col.id AND con.colid = col.colid
WHERE (c_obj.xtype = 'D') AND (col.name = '$fieldname') AND (t_obj.name='{{{$tablename}}}')";
$result = dbExecuteAssoc($dfquery)->read();
$defaultname=$result['CONTRAINT_NAME'];
if ($defaultname!=false)
{
modifyDatabase("","ALTER TABLE {{{$tablename}}} DROP CONSTRAINT {$defaultname[0]}"); echo $modifyoutput; flush();
}
}
function mssql_drop_primary_index($tablename)
{
global $modifyoutput;
Yii::app()->loadHelper("database");
// find out the constraint name of the old primary key
$pkquery = "SELECT CONSTRAINT_NAME "
."FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS "
."WHERE (TABLE_NAME = '{{{$tablename}}}') AND (CONSTRAINT_TYPE = 'PRIMARY KEY')";
$primarykey = Yii::app()->db->createCommand($pkquery)->queryRow(false);
if ($primarykey!==false)
{
Yii::app()->db->createCommand("ALTER TABLE {{{$tablename}}} DROP CONSTRAINT {$primarykey[0]}")->execute();
}
}
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