/**
* Generates statistics
*
* @param int $surveyid The survey id
* @param mixed $allfields
* @param mixed $q2show
* @param mixed $usegraph
* @param string $outputType Optional - Can be xls, html or pdf - Defaults to pdf
* @param string $pdfOutput Sets the target for the PDF output: DD=File download , F=Save file to local disk
* @param string $statlangcode Lamguage for statistics
* @param mixed $browse Show browse buttons
* @return buffer
*/
function generate_statistics($surveyid, $allfields, $q2show = 'all', $usegraph = 0, $outputType = 'pdf', $pdfOutput = 'I', $statlangcode = null, $browse = true)
{
global $pdfdefaultfont, $pdffontsize;
$astatdata = array();
//astatdata generates data for the output page's javascript so it can rebuild graphs on the fly
//load surveytranslator helper
Yii::import('application.helpers.surveytranslator_helper', true);
$statisticsoutput = "";
//This string carries all the actual HTML code to print.
$imagedir = Yii::app()->getConfig("imagedir");
$tempdir = Yii::app()->getConfig("tempdir");
$tempurl = Yii::app()->getConfig("tempurl");
$clang = Yii::app()->lang;
$pdf = array();
//Make sure $pdf exists - it will be replaced with an object if a $pdf is actually being created
// Used for getting coordinates for google maps
$agmapdata = array();
//pick the best font file if font setting is 'auto'
if (is_null($statlangcode)) {
$statlangcode = getBaseLanguageFromSurveyID($surveyid);
} else {
$statlang = new Limesurvey_lang($statlangcode);
}
/*
* this variable is used in the function shortencode() which cuts off a question/answer title
* after $maxchars and shows the rest as tooltip (in html mode)
*/
$maxchars = 13;
//we collect all the html-output within this variable
$statisticsoutput = '';
/**
* $outputType: html || pdf ||
*/
/**
* get/set Survey Details
*/
//no survey ID? -> come and get one
if (!isset($surveyid)) {
$surveyid = returnGlobal('sid');
}
//Get an array of codes of all available languages in this survey
$surveylanguagecodes = Survey::model()->findByPk($surveyid)->additionalLanguages;
$surveylanguagecodes[] = Survey::model()->findByPk($surveyid)->language;
$fieldmap = createFieldMap($surveyid, "full", false, false, $statlang->getlangcode());
// Set language for questions and answers to base language of this survey
$language = $statlangcode;
if ($q2show == 'all') {
$summarySql = " SELECT gid, parent_qid, qid, type " . " FROM {{questions}} WHERE parent_qid=0" . " AND sid={$surveyid} ";
$summaryRs = Yii::app()->db->createCommand($summarySql)->query()->readAll();
foreach ($summaryRs as $field) {
$myField = $surveyid . "X" . $field['gid'] . "X" . $field['qid'];
// Multiple choice get special treatment
if ($field['type'] == "M") {
$myField = "M{$myField}";
}
if ($field['type'] == "P") {
$myField = "P{$myField}";
}
//numerical input will get special treatment (arihtmetic mean, standard derivation, ...)
if ($field['type'] == "N") {
$myField = "N{$myField}";
}
if ($field['type'] == "|") {
$myField = "|{$myField}";
}
if ($field['type'] == "Q") {
$myField = "Q{$myField}";
}
// textfields get special treatment
if ($field['type'] == "S" || $field['type'] == "T" || $field['type'] == "U") {
$myField = "T{$myField}";
}
//statistics for Date questions are not implemented yet.
if ($field['type'] == "D") {
$myField = "D{$myField}";
}
if ($field['type'] == "F" || $field['type'] == "H") {
//Get answers. We always use the answer code because the label might be too long elsewise
$query = "SELECT code, answer FROM {{answers}} WHERE qid='" . $field['qid'] . "' AND scale_id=0 AND language='{$language}' ORDER BY sortorder, answer";
$result = Yii::app()->db->createCommand($query)->query();
$counter2 = 0;
//check all the answers
foreach ($result->readAll() as $row) {
$row = array_values($row);
$myField = "{$myField}{$row[0]}";
}
//$myField = "{$surveyid}X{$flt[1]}X{$flt[0]}{$row[0]}[]";
}
if ($q2show == 'all') {
$summary[] = $myField;
}
//$allfields[]=$myField;
}
} else {
// This gets all the 'to be shown questions' from the POST and puts these into an array
if (!is_array($q2show)) {
$summary = returnGlobal('summary');
} else {
$summary = $q2show;
}
//print_r($_POST);
//if $summary isn't an array we create one
if (isset($summary) && !is_array($summary)) {
$summary = explode("+", $summary);
}
}
/**
* pdf Config
*/
if ($outputType == 'pdf') {
//require_once('classes/tcpdf/config/lang/eng.php');
global $l;
$l['w_page'] = $statlang->gT("Page", 'unescaped');
//require_once('classes/tcpdf/mypdf.php');
Yii::import('application.libraries.admin.pdf', true);
// create new PDF document
$pdf = new Pdf();
$pdf->SetFont($pdfdefaultfont, '', $pdffontsize);
$surveyInfo = getSurveyInfo($surveyid, $language);
// set document information
$pdf->SetCreator(PDF_CREATOR);
$pdf->SetAuthor('LimeSurvey');
$pdf->SetTitle('Statistic survey ' . $surveyid);
$pdf->SetSubject($surveyInfo['surveyls_title']);
$pdf->SetKeywords('LimeSurvey, Statistics, Survey ' . $surveyid . '');
$pdf->SetDisplayMode('fullpage', 'two');
// set header and footer fonts
$pdf->setHeaderFont(array($pdfdefaultfont, '', PDF_FONT_SIZE_MAIN));
$pdf->setFooterFont(array($pdfdefaultfont, '', PDF_FONT_SIZE_DATA));
// set default header data
$pdf->SetHeaderData("statistics.png", 10, $statlang->gT("Quick statistics", 'unescaped'), $statlang->gT("Survey") . " " . $surveyid . " '" . flattenText($surveyInfo['surveyls_title'], false, true, 'UTF-8') . "'");
// set default monospaced font
$pdf->SetDefaultMonospacedFont(PDF_FONT_MONOSPACED);
//set margins
$pdf->SetMargins(PDF_MARGIN_LEFT, PDF_MARGIN_TOP, PDF_MARGIN_RIGHT);
$pdf->SetHeaderMargin(PDF_MARGIN_HEADER);
$pdf->SetFooterMargin(PDF_MARGIN_FOOTER);
//set auto page breaks
$pdf->SetAutoPageBreak(TRUE, PDF_MARGIN_BOTTOM);
//set image scale factor
$pdf->setImageScale(PDF_IMAGE_SCALE_RATIO);
//set some language-dependent strings
$pdf->setLanguageArray($l);
}
if ($outputType == 'xls') {
/**
* Initiate the Spreadsheet_Excel_Writer
*/
Yii::import('application.libraries.admin.pear.Spreadsheet.Excel.Xlswriter', true);
if ($pdfOutput == 'F') {
$sFileName = $tempdir . '/statistic-survey' . $surveyid . '.xls';
$workbook = new Xlswriter($sFileName);
} else {
$workbook = new Xlswriter();
}
$workbook->setVersion(8);
// Inform the module that our data will arrive as UTF-8.
// Set the temporary directory to avoid PHP error messages due to open_basedir restrictions and calls to tempnam("", ...)
$workbook->setTempDir($tempdir);
// Inform the module that our data will arrive as UTF-8.
// Set the temporary directory to avoid PHP error messages due to open_basedir restrictions and calls to tempnam("", ...)
if (!empty($tempdir)) {
$workbook->setTempDir($tempdir);
}
if ($pdfOutput != 'F') {
$workbook->send('statistic-survey' . $surveyid . '.xls');
}
// Creating the first worksheet
$sheet =& $workbook->addWorksheet(utf8_decode('results-survey' . $surveyid));
$sheet->setInputEncoding('utf-8');
$sheet->setColumn(0, 20, 20);
$separator = "~|";
/**XXX*/
}
/**
* Start generating
*/
$selects = buildSelects($allfields, $surveyid, $language);
//count number of answers
$query = "SELECT count(*) FROM {{survey_{$surveyid}}}";
//if incompleted answers should be filtert submitdate has to be not null
if (incompleteAnsFilterState() == "inc") {
$query .= " WHERE submitdate is null";
} elseif (incompleteAnsFilterState() == "filter") {
$query .= " WHERE submitdate is not null";
}
$result = Yii::app()->db->createCommand($query)->query();
//$total = total number of answers
$row = $result->read();
$total = reset($row);
//are there any filters that have to be taken care of?
if (isset($selects) && $selects) {
//filter incomplete answers?
if (incompleteAnsFilterState() == "filter" || incompleteAnsFilterState() == "inc") {
$query .= " AND ";
} else {
$query .= " WHERE ";
}
//add filter criteria to SQL
$query .= implode(" AND ", $selects);
}
//get me some data Scotty
$result = Yii::app()->db->createCommand($query)->query();
//put all results into $results
$row = $result->read();
$results = reset($row);
if ($total) {
$percent = sprintf("%01.2f", $results / $total * 100);
}
switch ($outputType) {
case "xls":
$xlsRow = 0;
$sheet->write($xlsRow, 0, $statlang->gT("Number of records in this query:", 'unescaped'));
$sheet->write($xlsRow, 1, $results);
++$xlsRow;
$sheet->write($xlsRow, 0, $statlang->gT("Total records in survey:", 'unescaped'));
$sheet->write($xlsRow, 1, $total);
if ($total) {
++$xlsRow;
$sheet->write($xlsRow, 0, $statlang->gT("Percentage of total:", 'unescaped'));
$sheet->write($xlsRow, 1, $percent . "%");
}
break;
case 'pdf':
// add summary to pdf
$array = array();
//$array[] = array($statlang->gT("Results"),"");
$array[] = array($statlang->gT("Number of records in this query:", 'unescaped'), $results);
$array[] = array($statlang->gT("Total records in survey:", 'unescaped'), $total);
if ($total) {
$array[] = array($statlang->gT("Percentage of total:", 'unescaped'), $percent . "%");
}
$pdf->addPage('P', 'A4');
$pdf->Bookmark($pdf->delete_html($statlang->gT("Results", 'unescaped')), 0, 0);
$pdf->titleintopdf($statlang->gT("Results", 'unescaped'), $statlang->gT("Survey", 'unescaped') . " " . $surveyid);
$pdf->tableintopdf($array);
$pdf->addPage('P', 'A4');
break;
case 'html':
$statisticsoutput .= "<br />\n<table class='statisticssummary' >\n" . "\t<thead><tr><th colspan='2'>" . $statlang->gT("Results") . "</th></tr></thead>\n" . "\t<tr><th >" . $statlang->gT("Number of records in this query:") . '</th>' . "<td>{$results}</td></tr>\n" . "\t<tr><th>" . $statlang->gT("Total records in survey:") . '</th>' . "<td>{$total}</td></tr>\n";
//only calculate percentage if $total is set
if ($total) {
$percent = sprintf("%01.2f", $results / $total * 100);
$statisticsoutput .= "\t<tr><th align='right'>" . $statlang->gT("Percentage of total:") . '</th>' . "<td>{$percent}%</td></tr>\n";
}
$statisticsoutput .= "</table>\n";
break;
default:
break;
}
//put everything from $selects array into a string connected by AND
//This string ($sql) can then be passed on to other functions so you can
//browse these results
if (isset($selects) && $selects) {
$sql = implode(" AND ", $selects);
} elseif (!empty($newsql)) {
$sql = $newsql;
}
if (!isset($sql) || !$sql) {
$sql = "NULL";
}
//only continue if we have something to output
if ($results > 0) {
if ($outputType == 'html' && $browse === true) {
//add a buttons to browse results
$statisticsoutput .= "<form action='" . Yii::app()->getController()->createUrl("admin/responses/index/surveyid/{$surveyid}") . "' method='post' target='_blank'>\n" . "\t\t<p>" . "\t\t\t<input type='submit' value='" . $statlang->gT("Browse") . "' />\n" . "\t\t\t<input type='hidden' name='sid' value='{$surveyid}' />\n" . "\t\t\t<input type='hidden' name='sql' value=\"{$sql}\" />\n" . "\t\t\t<input type='hidden' name='subaction' value='all' />\n" . "\t\t</p>" . "\t\t</form>\n";
}
}
//end if (results > 0)
/* Show Summary results
* The $summary array contains each fieldname that we want to display statistics for
*
* */
if (isset($summary) && $summary) {
//let's run through the survey
$runthrough = $summary;
//START Chop up fieldname and find matching questions
//loop through all selected questions
foreach ($runthrough as $rt) {
//Step 1: Get information about this response field (SGQA) for the summary
$outputs = buildOutputList($rt, $language, $surveyid, $outputType, $sql, $statlang);
$statisticsoutput .= $outputs['statisticsoutput'];
//2. Collect and Display results #######################################################################
if (isset($outputs['alist']) && $outputs['alist']) {
$display = displayResults($outputs, $results, $rt, $outputType, $surveyid, $sql, $usegraph, $browse, $pdf, $statlang);
$statisticsoutput .= $display['statisticsoutput'];
$astatdata = array_merge($astatdata, $display['astatdata']);
}
//end if -> collect and display results
//Delete Build Outputs data
unset($outputs);
unset($display);
}
// end foreach -> loop through all questions
//output
if ($outputType == 'html') {
$statisticsoutput .= "<br /> \n";
}
}
//end if -> show summary results
switch ($outputType) {
case 'xls':
$workbook->close();
if ($pdfOutput == 'F') {
return $sFileName;
} else {
return;
}
break;
case 'pdf':
$pdf->lastPage();
if ($pdfOutput == 'F') {
// This is only used by lsrc to send an E-Mail attachment, so it gives back the filename to send and delete afterwards
$pdf->Output($tempdir . "/" . $statlang->gT('Survey') . '_' . $surveyid . "_" . $surveyInfo['surveyls_title'] . '.pdf', $pdfOutput);
return $tempdir . "/" . $statlang->gT('Survey') . '_' . $surveyid . "_" . $surveyInfo['surveyls_title'] . '.pdf';
} else {
return $pdf->Output($statlang->gT('Survey') . '_' . $surveyid . "_" . $surveyInfo['surveyls_title'] . '.pdf', $pdfOutput);
}
break;
case 'html':
$statisticsoutput .= "<script type=\"text/javascript\" src=\"http://maps.googleapis.com/maps/api/js?sensor=false\"></script>\n" . "<script type=\"text/javascript\">var site_url='" . Yii::app()->baseUrl . "';var temppath='{$tempurl}';var imgpath='" . Yii::app()->getConfig('adminimageurl') . "';var aGMapData=" . ls_json_encode($agmapdata) . ";var aStatData=" . ls_json_encode($astatdata) . "</script>";
return $statisticsoutput;
break;
default:
return $statisticsoutput;
break;
}
}
