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export_helper.php
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export_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.
*
*/
/**
* Strips html tags and replaces new lines
*
* @param $string
* @param $removeOther if 'true', removes '-oth-' from the string.
* @return string
*/
function stripTagsFull($string, $removeOther = true)
{
$string = flattenText($string, false, true); // stripo whole + html_entities
if ($removeOther) {
$string = str_replace('-oth-', '', $string);
}
//The backslashes must be escaped twice, once for php, and again for the regexp
$string = str_replace("'|\\\\'", "'", $string);
return $string;
}
/**
* Returns true if passed $value is numeric
*
* @param $value
* @return bool
*/
function isNumericExtended($value)
{
if (empty($value)) {
return true;
}
$eng_or_world = preg_match(
'/^[+-]?' . // start marker and sign prefix
'(((([0-9]+)|([0-9]{1,4}(,[0-9]{3,4})+)))?(\\.[0-9])?([0-9]*)|' . // american
'((([0-9]+)|([0-9]{1,4}(\\.[0-9]{3,4})+)))?(,[0-9])?([0-9]*))' . // world
'(e[0-9]+)?' . // exponent
'$/', // end marker
$value
) == 1;
return ($eng_or_world);
}
/**
* Returns splitted unicode string correctly
* source: http://www.php.net/manual/en/function.str-split.php#107658
*
* @param string $str
* @param $l
* @return string
*/
function strSplitUnicode($str, $l = 0)
{
if ($l > 0) {
$ret = array();
$len = mb_strlen($str, "UTF-8");
for ($i = 0; $i < $len; $i += $l) {
$ret[] = mb_substr($str, $i, $l, "UTF-8");
}
return $ret;
}
return preg_split("//u", $str, -1, PREG_SPLIT_NO_EMPTY);
}
/**
* Quotes a string with surrounding quotes and masking inside quotes by doubling them
*
* @param string $sText Text to quote
* @param string $sQuoteChar The quote character (Use ' for SPSS and " for R)
* @param string $aField General field information from SPSSFieldmap
*/
function quoteSPSS($sText, $sQuoteChar, $aField)
{
$sText = trim($sText);
if ($sText == '') {
return '';
}
if (is_numeric($sText) && $aField['SPSStype'] == 'F') {
$iDecimals = 0;
if (strpos($aField['size'], '.') > 0) {
$iDecimals = substr($aField['size'], strpos($aField['size'], '.') + 1);
}
return number_format($sText, $iDecimals, '.', '');
}
return $sQuoteChar . str_replace($sQuoteChar, $sQuoteChar . $sQuoteChar, $sText) . $sQuoteChar;
}
/**
* Exports CSV response data for SPSS and R
*
* @param mixed $iSurveyID The survey ID
* @param string $iLength Maximum text lenght data, usually 255 for SPSS <v16 and 16384 for SPSS 16 and later
* @param string $na Value for N/A data
* @param string $sEmptyAnswerValue Value for empty data ('')
* @param string $q sep Quote separator. Use ' for SPSS, " for R
* @param bool $header logical $header If TRUE, adds SQGA code as column headings (used by export to R)
* @param string $sLanguage
*/
function SPSSExportData($iSurveyID, $iLength, $na = '', $sEmptyAnswerValue = '', $q = '\'', $header = false, $sLanguage = '')
{
// Build array that has to be returned
$fields = SPSSFieldMap($iSurveyID, 'V', $sLanguage);
$survey = Survey::model()->findByPk($iSurveyID);
// Now see if we have parameters for from (offset) & num (limit)
$limit = App()->getRequest()->getParam('limit');
$offset = App()->getRequest()->getParam('offset');
//Now get the query string with all fields to export
$query = SPSSGetQuery($iSurveyID, $limit, $offset);
$result = $query->query();
$rownr = 0;
foreach ($result as $row) {
// prepare the data for decryption
$oResponse = Response::model($iSurveyID);
$oResponse->setAttributes($row, false);
$oResponse->decrypt();
$row = $oResponse->attributes;
if ($survey->hasTokensTable) {
$oToken = Token::model($iSurveyID);
$oToken->setAttributes($row, false);
$oToken->decrypt();
$row = array_merge($oToken->attributes, $oResponse->attributes);
}
$rownr++;
if ($rownr == 1) {
$num_fields = safecount($fields);
// Add column headers (used by R export)
if ($header == true) {
$i = 1;
foreach ($fields as $field) {
if (!$field['hide']) {
echo quoteSPSS(strtoupper($field['sql_name']), $q, $field);
}
if ($i < $num_fields && !$field['hide']) {
echo ',';
}
$i++;
}
echo("\n");
}
}
$row = array_change_key_case($row, CASE_UPPER);
reset($fields); //Jump to the first element in the field array
$i = 1;
foreach ($fields as $field) {
if ($field['hide'] == 1) {
$i++;
continue;
}
$fieldno = strtoupper($field['sql_name']);
if ($field['SPSStype'] == 'DATETIME23.2') {
// convert mysql datestamp (yyyy-mm-dd hh:mm:ss) to SPSS datetime (dd-mmm-yyyy hh:mm:ss) format
if (isset($row[$fieldno])) {
list($year, $month, $day, $hour, $minute, $second) = preg_split('([^0-9])', $row[$fieldno]);
if ($year != '' && (int) $year >= 1900) {
echo quoteSPSS(date('d-m-Y H:i:s', mktime($hour, $minute, $second, $month, $day, $year)), $q, $field);
} elseif ($row[$fieldno] === '') {
echo quoteSPSS($sEmptyAnswerValue, $q, $field);
} else {
echo quoteSPSS($na, $q, $field);
}
} else {
echo quoteSPSS($na, $q, $field);
}
} else {
switch ($field['LStype']) {
case 'Y': // Yes/No Question Type
if ($row[$fieldno] === 'Y') {
echo quoteSPSS('1', $q, $field);
} elseif ($row[$fieldno] === 'N') {
echo quoteSPSS('2', $q, $field);
} elseif ($row[$fieldno] === '') {
echo quoteSPSS($sEmptyAnswerValue, $q, $field);
} else {
echo quoteSPSS($na, $q, $field);
}
break;
case 'G': //Gender
if ($row[$fieldno] === 'F') {
echo quoteSPSS('1', $q, $field);
} elseif ($row[$fieldno] === 'M') {
echo quoteSPSS('2', $q, $field);
} elseif ($row[$fieldno] === '') {
echo quoteSPSS($sEmptyAnswerValue, $q, $field);
} else {
echo quoteSPSS($na, $q, $field);
}
break;
case 'C': //Yes/No/Uncertain
if ($row[$fieldno] === 'Y') {
echo quoteSPSS('1', $q, $field);
} elseif ($row[$fieldno] === 'N') {
echo quoteSPSS('2', $q, $field);
} elseif ($row[$fieldno] === 'U') {
echo quoteSPSS('3', $q, $field);
} elseif ($row[$fieldno] === '') {
echo quoteSPSS($sEmptyAnswerValue, $q, $field);
} else {
echo quoteSPSS($na, $q, $field);
}
break;
case 'E': //Increase / Same / Decrease
if ($row[$fieldno] === 'I') {
echo quoteSPSS('1', $q, $field);
} elseif ($row[$fieldno] === 'S') {
echo quoteSPSS('2', $q, $field);
} elseif ($row[$fieldno] === 'D') {
echo quoteSPSS('3', $q, $field);
} elseif ($row[$fieldno] === '') {
echo quoteSPSS($sEmptyAnswerValue, $q, $field);
} else {
echo quoteSPSS($na, $q, $field);
}
break;
case ':':
$aSize = explode(".", $field['size']);
if (isset($aSize[1]) && $aSize[1]) {
// We need to add decimal
echo quoteSPSS(number_format($row[$fieldno], $aSize[1], ".", ""), $q, $field);
} else {
echo quoteSPSS($row[$fieldno], $q, $field);
}
break;
case 'P':
case 'M':
if (substr($field['code'], -7) != 'comment' && substr($field['code'], -5) != 'other') {
if ($row[$fieldno] == 'Y') {
echo quoteSPSS('1', $q, $field);
} elseif ($row[$fieldno] === '') {
echo quoteSPSS($sEmptyAnswerValue, $q, $field);
} elseif (isset($row[$fieldno])) {
echo quoteSPSS('0', $q, $field);
} else {
echo quoteSPSS($na, $q, $field);
}
break; // Break inside if : comment and other are string to be filtered
} // else do default action
default:
$strTmp = mb_substr(stripTagsFull($row[$fieldno], false), 0, $iLength);
if (trim($strTmp) != '') {
echo quoteSPSS($strTmp, $q, $field);
} elseif ($row[$fieldno] === '') {
echo quoteSPSS($sEmptyAnswerValue, $q, $field);
} else {
echo quoteSPSS($na, $q, $field);
}
}
}
if ($i < $num_fields) {
echo ',';
}
$i++;
}
echo "\n";
}
}
/**
* Check it the gives field has a labelset and return it as an array if true
*
* @param $field array field from SPSSFieldMap
* @param string $language
* @return array|bool
*/
function SPSSGetValues($field, $qidattributes, $language)
{
$language = sanitize_languagecode($language);
$length_vallabel = 120; // Constant ?
if (!isset($field['LStype']) || empty($field['LStype'])) {
return false;
}
if (isset($field['hide']) && $field['hide']) {
return false;
}
$answers = array();
if (strpos("!LORFWZWH1", $field['LStype']) !== false) {
if (substr($field['code'], -5) == 'other' || substr($field['code'], -7) == 'comment') {
//We have a comment field, so free text
return array(
'SPSStype' => "A",
'size' => stringSize($field['sql_name']),
);
} else {
$query = "SELECT {{answers}}.code, {{answer_l10ns}}.answer,
{{questions}}.type FROM {{answers}}, {{answer_l10ns}}, {{questions}}, {{question_l10ns}} WHERE";
if (isset($field['scale_id'])) {
$query .= " {{answers}}.scale_id = " . (int) $field['scale_id'] . " AND";
}
$query .= " {{answers}}.qid = '" . $field["qid"] . "' and {{answer_l10ns}}.aid = {{answers}}.aid and {{question_l10ns}}.language='" . $language . "' and {{answer_l10ns}}.language='" . $language . "'
and {{questions}}.qid='" . $field['qid'] . "' and {{question_l10ns}}.qid={{questions}}.qid ORDER BY sortorder ASC";
$result = Yii::app()->db->createCommand($query)->query()->readAll(); //Checked
$num_results = safecount($result);
if ($num_results > 0) {
# Build array that has to be returned
foreach ($result as $row) {
$answers[] = array(
'code' => $row['code'],
'value' => mb_substr(stripTagsFull($row["answer"], false), 0, $length_vallabel),
);
}
}
}
}
if ($field['LStype'] == ':') {
//Get the labels that could apply!
if (is_null($qidattributes)) {
$qidattributes = QuestionAttribute::model()->getQuestionAttributes($field["qid"], $language);
}
if ($qidattributes['multiflexible_checkbox']) {
$answers[] = array('code' => 1, 'value' => 1);
$answers[] = array('code' => 0, 'value' => 0); // 0 happen only when checked + unchecked. Not when just leave unchecked
} elseif ($qidattributes['input_boxes']) {
return array(
'SPSStype' => "F",
'size' => numericSize($field['sql_name']),
);
} else {
$minvalue = trim($qidattributes['multiflexible_min']) ? $qidattributes['multiflexible_min'] : 1;
$maxvalue = trim($qidattributes['multiflexible_max']) ? $qidattributes['multiflexible_max'] : 10;
$stepvalue = trim($qidattributes['multiflexible_step']) ? $qidattributes['multiflexible_step'] : 1;
for ($i = $minvalue; $i <= $maxvalue; $i += $stepvalue) {
$answers[] = array('code' => $i, 'value' => $i);
}
}
}
if ($field['LStype'] == 'M') {
if (substr($field['code'], -5) == 'other') {
return array(
'SPSStype' => "A",
'size' => stringSize($field['sql_name']),
);
} else {
$answers[] = array('code' => 1, 'value' => gT('Yes'));
$answers[] = array('code' => 0, 'value' => gT('Not Selected'));
}
}
if ($field['LStype'] == "P") {
if (substr($field['code'], -5) == 'other' || substr($field['code'], -7) == 'comment') {
return array(
'SPSStype' => "A",
'size' => stringSize($field['sql_name']),
);
} else {
$answers[] = array('code' => 1, 'value' => gT('Yes'));
$answers[] = array('code' => 0, 'value' => gT('Not Selected'));
}
}
if ($field['LStype'] == "G") {
$answers[] = array('code' => 1, 'value' => gT('Female'));
$answers[] = array('code' => 2, 'value' => gT('Male'));
}
if ($field['LStype'] == "Y") {
$answers[] = array('code' => 1, 'value' => gT('Yes'));
$answers[] = array('code' => 2, 'value' => gT('No'));
}
if ($field['LStype'] == "C") {
$answers[] = array('code' => 1, 'value' => gT('Yes'));
$answers[] = array('code' => 2, 'value' => gT('No'));
$answers[] = array('code' => 3, 'value' => gT('Uncertain'));
}
if ($field['LStype'] == "E") {
$answers[] = array('code' => 1, 'value' => gT('Increase'));
$answers[] = array('code' => 2, 'value' => gT('Same'));
$answers[] = array('code' => 3, 'value' => gT('Decrease'));
}
if (in_array($field['LStype'], array('N', 'K'))) {
return array(
'size' => numericSize($field['sql_name'], true),
);
}
if (in_array($field['LStype'], array('Q', 'S', 'T', 'U', ';', '*'))) {
return array(
'SPSStype' => "A",
'size' => stringSize($field['sql_name']),
);
}
if (count($answers) > 0) {
//check the max width of the answers
$size = 0;
$spsstype = $field['SPSStype'];
foreach ($answers as $answer) {
$len = mb_strlen($answer['code']);
if ($len > $size) {
$size = $len;
}
if ($spsstype == 'F' && (isNumericExtended($answer['code']) === false || $size > 16)) {
$spsstype = 'A';
}
}
// For questions types with answer options, if all answer codes are numeric but "Other" option is enabled,
// field should be exported as SPSS type 'A', size 6. See issue #16939
if (strpos("!LORFH1", $field['LStype']) !== false && $spsstype == 'F') {
$oQuestion = Question::model()->findByPk($field["qid"]);
if ($oQuestion->other == 'Y') {
$spsstype = 'A';
$size = 6;
$answers['needsAlterType'] = true;
}
}
$answers['SPSStype'] = $spsstype;
$answers['size'] = $size;
return $answers;
} else {
/* Not managed (currently): url, IP, … */
return;
}
}
/**
* Creates a fieldmap with all information necessary to output the fields
*
* @param $prefix string prefix for the variable ID
* @return array
*/
function SPSSFieldMap($iSurveyID, $prefix = 'V', $sLanguage = '')
{
$survey = Survey::model()->findByPk($iSurveyID);
$typeMap = array(
Question::QT_5_POINT_CHOICE => array('name' => '5 Point Choice', 'size' => 1, 'SPSStype' => 'F', 'Scale' => 3),
Question::QT_B_ARRAY_10_CHOICE_QUESTIONS => array('name' => 'Array (10 Point Choice)', 'size' => 1, 'SPSStype' => 'F', 'Scale' => 3),
Question::QT_A_ARRAY_5_CHOICE_QUESTIONS => array('name' => 'Array (5 Point Choice)', 'size' => 1, 'SPSStype' => 'F', 'Scale' => 3),
Question::QT_F_ARRAY_FLEXIBLE_ROW => array('name' => 'Array (Flexible Labels)', 'size' => 1, 'SPSStype' => 'F'),
Question::QT_1_ARRAY_MULTISCALE => array('name' => 'Array (Flexible Labels) Dual Scale', 'size' => 1, 'SPSStype' => 'F'),
Question::QT_H_ARRAY_FLEXIBLE_COLUMN => array('name' => 'Array (Flexible Labels) by Column', 'size' => 1, 'SPSStype' => 'F'),
Question::QT_E_ARRAY_OF_INC_SAME_DEC_QUESTIONS => array('name' => 'Array (Increase, Same, Decrease)', 'size' => 1, 'SPSStype' => 'F', 'Scale' => 2),
Question::QT_C_ARRAY_YES_UNCERTAIN_NO => array('name' => 'Array (Yes/No/Uncertain)', 'size' => 1, 'SPSStype' => 'F'),
Question::QT_X_BOILERPLATE_QUESTION => array('name' => 'Boilerplate Question', 'size' => 1, 'SPSStype' => 'A', 'hide' => 1),
Question::QT_D_DATE => array('name' => 'Date', 'size' => 20, 'SPSStype' => 'DATETIME23.2'),
Question::QT_G_GENDER_DROPDOWN => array('name' => 'Gender', 'size' => 1, 'SPSStype' => 'F'),
Question::QT_U_HUGE_FREE_TEXT => array('name' => 'Huge Free Text', 'size' => 1, 'SPSStype' => 'A'),
Question::QT_I_LANGUAGE => array('name' => 'Language Switch', 'size' => 2, 'SPSStype' => 'A'),
Question::QT_EXCLAMATION_LIST_DROPDOWN => array('name' => 'List (Dropdown)', 'size' => 1, 'SPSStype' => 'F'),
Question::QT_L_LIST => array('name' => 'List (Radio)', 'size' => 1, 'SPSStype' => 'F'),
Question::QT_O_LIST_WITH_COMMENT => array('name' => 'List With Comment', 'size' => 1, 'SPSStype' => 'F'),
Question::QT_T_LONG_FREE_TEXT => array('name' => 'Long free text', 'size' => 1, 'SPSStype' => 'A'),
Question::QT_K_MULTIPLE_NUMERICAL_QUESTION => array('name' => 'Multiple Numerical Input', 'size' => 1, 'SPSStype' => 'F'),
Question::QT_M_MULTIPLE_CHOICE => array('name' => 'Multiple choice', 'size' => 1, 'SPSStype' => 'F'),
Question::QT_P_MULTIPLE_CHOICE_WITH_COMMENTS => array('name' => 'Multiple choice with comments', 'size' => 1, 'SPSStype' => 'F'),
Question::QT_Q_MULTIPLE_SHORT_TEXT => array('name' => 'Multiple Short Text', 'size' => 1, 'SPSStype' => 'F'),
Question::QT_N_NUMERICAL => array('name' => 'Numerical Input', 'size' => 3, 'SPSStype' => 'F', 'Scale' => 3),
Question::QT_R_RANKING_STYLE => array('name' => 'Ranking', 'size' => 1, 'SPSStype' => 'F'),
Question::QT_S_SHORT_FREE_TEXT => array('name' => 'Short free text', 'size' => 1, 'SPSStype' => 'F'),
Question::QT_Y_YES_NO_RADIO => array('name' => 'Yes/No', 'size' => 1, 'SPSStype' => 'F'),
Question::QT_COLON_ARRAY_MULTI_FLEX_NUMBERS => array('name' => 'Multi flexi numbers', 'size' => 1, 'SPSStype' => 'F', 'Scale' => 3),
Question::QT_SEMICOLON_ARRAY_MULTI_FLEX_TEXT => array('name' => 'Multi flexi text', 'size' => 1, 'SPSStype' => 'A'),
Question::QT_VERTICAL_FILE_UPLOAD => array('name' => 'File upload', 'size' => 1, 'SPSStype' => 'A'),
Question::QT_ASTERISK_EQUATION => array('name' => 'Equation', 'size' => 1, 'SPSStype' => 'A'),
);
if (empty($sLanguage)) {
$sLanguage = $survey->language;
}
$fieldmap = createFieldMap($survey, 'full', true, false, $sLanguage);
#See if tokens are being used
$bTokenTableExists = tableExists('tokens_' . $iSurveyID);
// ... and if the survey uses anonymized responses
$sSurveyAnonymized = $survey->anonymized;
$iFieldNumber = 0;
$fields = array();
if ($bTokenTableExists && $sSurveyAnonymized == 'N' && Permission::model()->hasSurveyPermission($iSurveyID, 'tokens', 'read')) {
$tokenattributes = getTokenFieldsAndNames($iSurveyID, false);
foreach ($tokenattributes as $attributefield => $attributedescription) {
//Drop the token field, since it is in the survey too
if ($attributefield != 'token') {
$iFieldNumber++;
$fields[] = array(
'id' => "{$prefix}{$iFieldNumber}",
'name' => mb_substr($attributefield, 0, 8),
'qid' => 0,
'code' => '',
'SPSStype' => 'A',
'LStype' => 'Undef',
'VariableLabel' => $attributedescription['description'],
'sql_name' => $attributefield,
'size' => '100',
'title' => $attributefield,
'hide' => 0,
'scale' => ''
);
}
}
}
$fieldnames = array_keys($fieldmap);
$num_results = safecount($fieldnames);
$diff = 0;
$noQID = array('id', 'token', 'datestamp', 'submitdate', 'startdate', 'startlanguage', 'ipaddr', 'refurl', 'lastpage','seed');
# Build array that has to be returned
for ($i = 0; $i < $num_results; $i++) {
#Condition for SPSS fields:
# - Length may not be longer than 8 characters
# - Name may not begin with a digit
$fieldname = $fieldnames[$i];
$fieldtype = '';
$ftype = '';
$val_size = 1;
$hide = 0;
$export_scale = '';
$code = '';
$scale_id = null;
$aQuestionAttribs = array();
#Determine field type for specific column
switch ($fieldname) {
case 'submitdate':
case 'startdate':
case 'datestamp':
$fieldtype = 'DATETIME23.2';
break;
case 'startlanguage';
$fieldtype = 'A';
$val_size = 20;
break;
case 'token';
$fieldtype = 'A';
$val_size = Token::MAX_LENGTH;
break;
case 'id';
$fieldtype = 'F';
$val_size = 7; //Arbitrarilty restrict to 9,999,999 (7 digits) responses/survey
break;
case 'ipaddr';
$fieldtype = 'A';
$val_size = 45; // IPv6 + IPv4-mapped feature : 39+1+15
break;
case 'refurl';
$fieldtype = 'A';
$val_size = 255;
break;
case 'lastpage';
$fieldtype = 'F';
$val_size = 7;
break;
case 'seed';
$fieldtype = 'A';
$val_size = 31;
break;
default:
// Not set for default
}
#Get qid (question id)
if (in_array($fieldname, $noQID) || substr($fieldname, 0, 10) == 'attribute_') {
$qid = 0;
$varlabel = $fieldname;
$ftitle = $fieldname;
} else {
//GET FIELD DATA
if (!isset($fieldmap[$fieldname])) {
//Field in database but no longer in survey... how is this possible?
//@TODO: think of a fix.
$fielddata = array();
$qid = 0;
$varlabel = $fieldname;
$ftitle = $fieldname;
$fieldtype = "F";
$val_size = 1;
} else {
$fielddata = $fieldmap[$fieldname];
$qid = $fielddata['qid'];
$ftype = $fielddata['type'];
$fsid = $fielddata['sid'];
$fgid = $fielddata['gid'];
$code = mb_substr($fielddata['fieldname'], strlen($fsid . "X" . $fgid . "X" . $qid));
$varlabel = $fielddata['question'];
if (isset($fielddata['scale'])) {
$varlabel = "[{$fielddata['scale']}] " . $varlabel;
}
if (isset($fielddata['subquestion'])) {
$varlabel = "[{$fielddata['subquestion']}] " . $varlabel;
}
if (isset($fielddata['subquestion2'])) {
$varlabel = "[{$fielddata['subquestion2']}] " . $varlabel;
}
if (isset($fielddata['subquestion1'])) {
$varlabel = "[{$fielddata['subquestion1']}] " . $varlabel;
}
$ftitle = $fielddata['title'];
if (!is_null($code) && $code <> "") {
$ftitle .= "_$code";
}
if (isset($typeMap[$ftype]['size'])) {
$val_size = $typeMap[$ftype]['size'];
}
if (isset($fielddata['scale_id'])) {
$scale_id = $fielddata['scale_id'];
}
if ($fieldtype == '') {
$fieldtype = $typeMap[$ftype]['SPSStype'];
}
if (isset($typeMap[$ftype]['hide'])) {
$hide = $typeMap[$ftype]['hide'];
$diff++;
}
//Get default scale for this type
if (isset($typeMap[$ftype]['Scale'])) {
$export_scale = $typeMap[$ftype]['Scale'];
}
//But allow override
$aQuestionAttribs = QuestionAttribute::model()->getQuestionAttributes($qid, $sLanguage);
if (isset($aQuestionAttribs['scale_export'])) {
$export_scale = $aQuestionAttribs['scale_export'];
}
}
}
$iFieldNumber++;
$fid = $iFieldNumber - $diff;
$lsLong = isset($typeMap[$ftype]["name"]) ? $typeMap[$ftype]["name"] : $ftype;
$tempArray = array(
'id' => $prefix . $fid,
'name' => mb_substr($fieldname, 0, 8),
'qid' => $qid,
'code' => $code,
'SPSStype' => $fieldtype,
'LStype' => $ftype,
'LSlong' => $lsLong,
'ValueLabels' => '',
'VariableLabel' => $varlabel,
'sql_name' => $fieldname,
'size' => $val_size,
'title' => $ftitle,
'hide' => $hide,
'scale' => $export_scale,
'scale_id' => $scale_id
);
//Now check if we have to retrieve value labels
$answers = SPSSGetValues($tempArray, $aQuestionAttribs, $sLanguage);
if (is_array($answers)) {
//Ok we have answers
if (isset($answers['size'])) {
$tempArray['size'] = $answers['size'];
unset($answers['size']);
}
if (isset($answers['SPSStype'])) {
$tempArray['SPSStype'] = $answers['SPSStype'];
unset($answers['SPSStype']);
}
if (isset($answers['needsAlterType'])) {
$tempArray['needsAlterType'] = $answers['needsAlterType'];
unset($answers['needsAlterType']);
}
if (!empty($answers)) {
$tempArray['answers'] = $answers;
}
}
$fields[] = $tempArray;
}
return $fields;
}
/**
* Creates a query string with all fields for the export
* @param
* @return CDbCommand
*/
function SPSSGetQuery($iSurveyID, $limit = null, $offset = null)
{
$survey = Survey::model()->findByPk($iSurveyID);
#See if tokens are being used
$query = App()->db->createCommand();
$query->from($survey->responsesTableName . ' s');
$columns = array('s.*');
if ($survey->hasTokensTable && !$survey->isAnonymized && Permission::model()->hasSurveyPermission($iSurveyID, 'tokens', 'read')) {
$tokenattributes = array_keys(getTokenFieldsAndNames($iSurveyID, false));
foreach ($tokenattributes as $attributefield) {
//Drop the token field, since it is in the survey too
if ($attributefield != 'token') {
$columns[] = 't.' . $attributefield;
}
}
$query->leftJoin($survey->tokensTableName . ' t', App()->db->quoteColumnName('s.token') . ' = ' . App()->db->quoteColumnName('t.token'));
//LEFT JOIN {{tokens_$iSurveyID}} t ON ";
}
$query->select($columns);
switch (incompleteAnsFilterState()) {
case 'incomplete':
//Inclomplete answers only
$query->where('s.submitdate IS NULL');
break;
case 'complete':
//Inclomplete answers only
$query->where('s.submitdate IS NOT NULL');
break;
}
if (!empty($limit) & !is_null($offset)) {
$query->limit((int) $limit, (int) $offset);
}
$query->order('id ASC');
return $query;
}
/**
* buildXMLFromQuery() creates a datadump of a table in XML using XMLWriter
*
* @param mixed $xmlwriter The existing XMLWriter object
* @param mixed $Query The table query to build from
* @param string $tagname If the XML tag of the resulting question should be named differently than the table name set it here
* @param string[] $excludes array of columnames not to include in export
*/
function buildXMLFromQuery($xmlwriter, $Query, $tagname = '', $excludes = array(), $iSurveyID = 0)
{
$iChunkSize = 3000; // This works even for very large result sets and leaves a minimal memory footprint
preg_match('/\bfrom\b\s*{{(\w+)}}/i', $Query, $MatchResults);
if ($tagname != '') {
$TableName = $tagname;
} else {
$TableName = $MatchResults[1];
}
// Read table in smaller chunks
$iStart = 0;
do {
$result = array();
// data need to be converted to model to be able to decrypt responses and tokens
if ($TableName == 'responses' || $TableName == 'tokens') {
$criteria = new CDbCriteria();
$criteria->limit = $iChunkSize;
$criteria->offset = $iStart;
if ($TableName == 'responses') {
$results = Response::model($iSurveyID)->findAll($criteria);
} elseif ($TableName == 'tokens') {
$results = Token::model($iSurveyID)->findAll($criteria);
}
foreach ($results as $row) {
$result[] = $row->decrypt()->attributes;
}
} else {
$QueryResult = Yii::app()->db->createCommand($Query)->limit($iChunkSize, $iStart)->query();
$result = $QueryResult->readAll();
}
if ($iStart == 0 && safecount($result) > 0) {
$exclude = array_flip($excludes); //Flip key/value in array for faster checks
$xmlwriter->startElement($TableName);
$xmlwriter->startElement('fields');
$aColumninfo = array_keys($result[0]);
foreach ($aColumninfo as $fieldname) {
if (!isset($exclude[$fieldname])) {
$xmlwriter->writeElement('fieldname', $fieldname);
}
}
$xmlwriter->endElement(); // close columns
$xmlwriter->startElement('rows');
}
foreach ($result as $Row) {
$xmlwriter->startElement('row');
foreach ($Row as $Key => $Value) {
if (!isset($exclude[$Key])) {
if (!(is_null($Value))) {
// If the $value is null don't output an element at all
if (is_numeric($Key[0])) {
// mask invalid element names with an underscore
$Key = '_' . $Key;
}
$Key = str_replace('#', '-', $Key);
if (!$xmlwriter->startElement($Key)) {
safeDie('Invalid element key: ' . $Key);
}
if ($Value !== '') {
// Remove invalid XML characters
$Value = preg_replace('/[^\x0\x9\xA\xD\x20-\x{D7FF}\x{E000}-\x{FFFD}\x{10000}-\x{10FFFF}]/u', '', $Value);
$Value = str_replace(']]>', ']] >', $Value);
$xmlwriter->writeCData($Value);
}
$xmlwriter->endElement();
}
}
}
$xmlwriter->endElement(); // close row
}
$iStart = $iStart + $iChunkSize;
} while (count($result) == $iChunkSize);
if (count($result) > 0) {
$xmlwriter->endElement(); // close rows
$xmlwriter->endElement(); // close tablename
}
}
/**
* from export_structure_xml.php
*/
function surveyGetXMLStructure($iSurveyID, $xmlwriter, $exclude = array())
{
if (!isset($exclude['answers'])) {
//Answer table
$aquery = "SELECT {{answers}}.*
FROM {{answers}}, {{questions}}
WHERE {{answers}}.qid={{questions}}.qid
AND {{questions}}.sid=$iSurveyID";
buildXMLFromQuery($xmlwriter, $aquery);
//Answer L10n table
$aquery = "SELECT {{answer_l10ns}}.*
FROM {{answer_l10ns}}, {{answers}}, {{questions}}
WHERE {{answers}}.aid={{answer_l10ns}}.aid
AND {{answers}}.qid={{questions}}.qid
AND {{questions}}.sid=$iSurveyID";
buildXMLFromQuery($xmlwriter, $aquery);
}
// Assessments
$query = "SELECT {{assessments}}.*
FROM {{assessments}}
WHERE {{assessments}}.sid=$iSurveyID";
buildXMLFromQuery($xmlwriter, $query);
if (!isset($exclude['conditions'])) {
//Condition table
$cquery = "SELECT DISTINCT {{conditions}}.*
FROM {{conditions}}, {{questions}}
WHERE {{conditions}}.qid={{questions}}.qid
AND {{questions}}.sid=$iSurveyID";
buildXMLFromQuery($xmlwriter, $cquery);
}
// Default values
$query = "SELECT {{defaultvalues}}.*
FROM {{defaultvalues}} JOIN {{questions}} ON {{questions}}.qid = {{defaultvalues}}.qid AND {{questions}}.sid=$iSurveyID ORDER BY dvid";
buildXMLFromQuery($xmlwriter, $query);
// DefaultValues L10n
$query = "SELECT {{defaultvalue_l10ns}}.*
FROM {{defaultvalue_l10ns}} JOIN {{defaultvalues}} ON {{defaultvalue_l10ns}}.dvid = {{defaultvalues}}.dvid JOIN {{questions}} ON {{questions}}.qid = {{defaultvalues}}.qid AND {{questions}}.sid=$iSurveyID ORDER BY {{defaultvalues}}.dvid";
buildXMLFromQuery($xmlwriter, $query);
// QuestionGroup
$quotedGroups = Yii::app()->db->quoteTableName('{{groups}}');
$gquery = "SELECT *
FROM $quotedGroups
WHERE sid=$iSurveyID
ORDER BY gid";
buildXMLFromQuery($xmlwriter, $gquery, 'groups');
// QuestionGroup L10n
$gquery = "SELECT *
FROM {{group_l10ns}}
JOIN $quotedGroups on $quotedGroups.gid={{group_l10ns}}.gid
WHERE sid=$iSurveyID
ORDER BY {{group_l10ns}}.gid";
buildXMLFromQuery($xmlwriter, $gquery);
//Questions
$qquery = "SELECT *
FROM {{questions}}
WHERE sid=$iSurveyID and parent_qid=0
ORDER BY qid";
buildXMLFromQuery($xmlwriter, $qquery);
//Subquestions
$qquery = "SELECT *
FROM {{questions}}
WHERE sid=$iSurveyID and parent_qid>0
ORDER BY qid";
buildXMLFromQuery($xmlwriter, $qquery, 'subquestions');
//Question L10n
$qquery = "SELECT {{question_l10ns}}.*
FROM {{question_l10ns}}
JOIN {{questions}} ON {{questions}}.qid={{question_l10ns}}.qid
WHERE sid=$iSurveyID
ORDER BY {{question_l10ns}}.qid";
buildXMLFromQuery($xmlwriter, $qquery);
//Question attributes
$sBaseLanguage = Survey::model()->findByPk($iSurveyID)->language;
$platform = Yii::app()->db->getDriverName();
if ($platform == 'mssql' || $platform == 'sqlsrv' || $platform == 'dblib') {
$query = "SELECT qa.qid, qa.attribute, cast(qa.value as varchar(4000)) as value, qa.language
FROM {{question_attributes}} qa JOIN {{questions}} q ON q.qid = qa.qid AND q.sid={$iSurveyID}
group by qa.qid, qa.attribute, cast(qa.value as varchar(4000)), qa.language";
} else {
$query = "SELECT qa.qid, qa.attribute, qa.value, qa.language
FROM {{question_attributes}} qa JOIN {{questions}} q ON q.qid = qa.qid AND q.sid={$iSurveyID}
group by qa.qid, qa.attribute, qa.value, qa.language";
}
buildXMLFromQuery($xmlwriter, $query, 'question_attributes');
if (!isset($exclude['quotas'])) {
//Quota
$query = "SELECT {{quota}}.*
FROM {{quota}}
WHERE {{quota}}.sid=$iSurveyID";
buildXMLFromQuery($xmlwriter, $query);
//1Quota members
$query = "SELECT {{quota_members}}.*
FROM {{quota_members}}
WHERE {{quota_members}}.sid=$iSurveyID";
buildXMLFromQuery($xmlwriter, $query);
//Quota languagesettings
$query = "SELECT {{quota_languagesettings}}.*
FROM {{quota_languagesettings}}, {{quota}}
WHERE {{quota}}.id = {{quota_languagesettings}}.quotals_quota_id
AND {{quota}}.sid=$iSurveyID";
buildXMLFromQuery($xmlwriter, $query);
}
// Surveys
$squery = "SELECT *
FROM {{surveys}}
WHERE sid=$iSurveyID";
//Exclude some fields from the export
$excludeFromSurvey = array('owner_id', 'active', 'datecreated');
if (isset($exclude['dates']) && $exclude['dates']) {
$excludeFromSurvey[] = 'startdate';
$excludeFromSurvey[] = 'expires';
}
buildXMLFromQuery($xmlwriter, $squery, '', $excludeFromSurvey);
// Survey language settings
$slsquery = "SELECT *
FROM {{surveys_languagesettings}}
WHERE surveyls_survey_id=$iSurveyID";
buildXMLFromQuery($xmlwriter, $slsquery);
// Survey url parameters
$slsquery = "SELECT *
FROM {{survey_url_parameters}}
WHERE sid={$iSurveyID}";
buildXMLFromQuery($xmlwriter, $slsquery);
// Survey plugin(s)
$slsquery = " SELECT settings.id,name," . Yii::app()->db->quoteColumnName("key") . "," . Yii::app()->db->quoteColumnName("value")
. " FROM {{plugin_settings}} as settings JOIN {{plugins}} as plugins ON plugins.id = settings.plugin_id"
. " WHERE model='Survey' and model_id=$iSurveyID";
buildXMLFromQuery($xmlwriter, $slsquery);
}
/**
* from export_structure_xml.php
*/
function surveyGetXMLData($iSurveyID, $exclude = array())
{
$xml = getXMLWriter();
$xml->openMemory();
$xml->setIndent(true);
$xml->startDocument('1.0', 'UTF-8');
$xml->startElement('document');
$xml->writeElement('LimeSurveyDocType', 'Survey');
$xml->writeElement('DBVersion', getGlobalSetting("DBVersion"));
$xml->startElement('languages');
$surveylanguages = Survey::model()->findByPk($iSurveyID)->additionalLanguages;
$surveylanguages[] = Survey::model()->findByPk($iSurveyID)->language;
foreach ($surveylanguages as $surveylanguage) {
$xml->writeElement('language', $surveylanguage);
}
$xml->endElement();
surveyGetXMLStructure($iSurveyID, $xml, $exclude);
// survey theme configuration - db values
surveyGetThemeConfiguration($iSurveyID, $xml, false, 'themes');
// survey theme configuration - inherited values
surveyGetThemeConfiguration($iSurveyID, $xml, true, 'themes_inherited');
$xml->endElement(); // close columns
$xml->endDocument();
return $xml->outputMemory(true);
}
/**
* Exports a single table to XML