moodle/mod/survey/download.php
moodler a12f686b62 Function name change ... hope it doesn't break any third-party code,
sorry if it does!

  get_users_in_group --->  get_group_users

  ... more consistent with other functions
2004-03-13 14:24:34 +00:00

245 lines
8.3 KiB
PHP

<?PHP // $Id$
require ("../../config.php");
// Check that all the parameters have been provided.
require_variable($id); // Course Module ID
optional_variable($type, "xls");
optional_variable($group, 0);
if (! $cm = get_record("course_modules", "id", $id)) {
error("Course Module ID was incorrect");
}
if (! $course = get_record("course", "id", $cm->course)) {
error("Course is misconfigured");
}
require_login($course->id);
if (!isteacher($course->id)) {
error("Sorry, only teachers can see this.");
}
if (! $survey = get_record("survey", "id", $cm->instance)) {
error("Survey ID was incorrect");
}
add_to_log($course->id, "survey", "download", "download.php?id=$cm->id&type=$type", "$survey->id", $cm->id);
/// Check to see if groups are being used in this survey
$groupmode = groupmode($course, $cm); // Groups are being used
if ($groupmode and $group) {
$users = get_group_users($group);
} else {
$users = get_course_users($course->id);
$group = false;
}
// Get all the questions and their proper order
$questions = get_records_list("survey_questions", "id", $survey->questions);
$order = explode(",", $survey->questions);
foreach ($order as $key => $qid) { // Do we have virtual scales?
$question = $questions[$qid];
if ($question->type < 0) {
$virtualscales = true;
break;
}
}
$fullorderlist = "";
foreach ($order as $key => $qid) { // build up list of actual questions
$question = $questions[$qid];
if (!(empty($fullorderlist))) {
$fullorderlist .= ",";
}
if ($question->multi) {
$addlist = $question->multi;
} else {
$addlist = $qid;
}
if ($virtualscales && ($question->type < 0)) { // only use them
$fullorderlist .= $addlist;
} else if (!$virtualscales && ($question->type >= 0)){ // ignore them
$fullorderlist .= $addlist;
}
}
$fullquestions = get_records_list("survey_questions", "id", $fullorderlist);
// Question type of multi-questions overrides the type of single questions
foreach ($order as $key => $qid) {
$question = $questions[$qid];
if ($question->multi) {
$subs = explode(",", $question->multi);
while (list ($skey, $sqid) = each ($subs)) {
$fullquestions["$sqid"]->type = $question->type;
}
}
}
$order = explode(",", $fullorderlist);
$questions = $fullquestions;
// Translate all the question texts
foreach ($questions as $key => $question) {
$questions[$key]->text = get_string($question->text, "survey");
}
// Get and collate all the results in one big array
if (! $aaa = get_records("survey_answers", "survey", "$survey->id", "time ASC")) {
error("There are no answers for this survey yet.");
}
foreach ($aaa as $a) {
if (!$group or isset($users[$a->userid])) {
if (!$results["$a->userid"]) { // init new array
$results["$a->userid"]["time"] = $a->time;
foreach ($order as $key => $qid) {
$results["$a->userid"]["$qid"]["answer1"] = "";
$results["$a->userid"]["$qid"]["answer2"] = "";
}
}
$results["$a->userid"]["$a->question"]["answer1"] = $a->answer1;
$results["$a->userid"]["$a->question"]["answer2"] = $a->answer2;
}
}
// Output the file as a valid Excel spreadsheet if required
if ($type == "xls") {
require_once("$CFG->libdir/excel/Worksheet.php");
require_once("$CFG->libdir/excel/Workbook.php");
header("Content-type: application/vnd.ms-excel");
header("Content-Disposition: attachment; filename=".$survey->name.".xls");
header("Expires: 0");
header("Cache-Control: must-revalidate, post-check=0,pre-check=0");
header("Pragma: public");
$workbook = new Workbook("-");
// Creating the first worksheet
$myxls =& $workbook->add_worksheet(substr($survey->name, 0, 31));
$header = array("surveyid","surveyname","userid","firstname","lastname","email","idnumber","time", "notes");
$col=0;
foreach ($header as $item) {
$myxls->write_string(0,$col++,$item);
}
foreach ($order as $key => $qid) {
$question = $questions["$qid"];
if ($question->type == "0" || $question->type == "1" || $question->type == "3" || $question->type == "-1") {
$myxls->write_string(0,$col++,"$question->text");
}
if ($question->type == "2" || $question->type == "3") {
$myxls->write_string(0,$col++,"$question->text (preferred)");
}
}
// $date = $workbook->addformat();
// $date->set_num_format('mmmm-d-yyyy h:mm:ss AM/PM'); // ?? adjust the settings to reflect the PHP format below
$row = 0;
foreach ($results as $user => $rest) {
$col = 0;
$row++;
if (! $u = get_record("user", "id", $user)) {
error("Error finding student # $user");
}
if ($n = get_record("survey_analysis", "survey", $survey->id, "userid", $user)) {
$notes = $n->notes;
} else {
$notes = "No notes made";
}
$myxls->write_string($row,$col++,$survey->id);
$myxls->write_string($row,$col++,$survey->name);
$myxls->write_string($row,$col++,$user);
$myxls->write_string($row,$col++,$u->firstname);
$myxls->write_string($row,$col++,$u->lastname);
$myxls->write_string($row,$col++,$u->email);
$myxls->write_string($row,$col++,$u->idnumber);
$myxls->write_string($row,$col++, userdate($results["$user"]["time"], "%d-%b-%Y %I:%M:%S %p") );
// $myxls->write_number($row,$col++,$results["$user"]["time"],$date);
$myxls->write_string($row,$col++,$notes);
foreach ($order as $key => $qid) {
$question = $questions["$qid"];
if ($question->type == "0" || $question->type == "1" || $question->type == "3" || $question->type == "-1") {
$myxls->write_string($row,$col++, $results["$user"]["$qid"]["answer1"] );
}
if ($question->type == "2" || $question->type == "3") {
$myxls->write_string($row, $col++, $results["$user"]["$qid"]["answer2"] );
}
}
}
$workbook->close();
exit;
}
// Otherwise, return the text file.
// Print header to force download
header("Content-Type: application/download\n");
header("Content-Disposition: attachment; filename=\"$survey->name.txt\"");
// Print names of all the fields
echo "surveyid surveyname userid firstname lastname email idnumber time ";
foreach ($order as $key => $qid) {
$question = $questions["$qid"];
if ($question->type == "0" || $question->type == "1" || $question->type == "3" || $question->type == "-1") {
echo "$question->text ";
}
if ($question->type == "2" || $question->type == "3") {
echo "$question->text (preferred) ";
}
}
echo "\n";
// Print all the lines of data.
foreach ($results as $user => $rest) {
if (! $u = get_record("user", "id", $user)) {
error("Error finding student # $user");
}
echo $survey->id."\t";
echo $survey->name."\t";
echo $user."\t";
echo $u->firstname."\t";
echo $u->lastname."\t";
echo $u->email."\t";
echo $u->idnumber."\t";
echo userdate($results["$user"]["time"], "%d-%b-%Y %I:%M:%S %p")."\t";
foreach ($order as $key => $qid) {
$question = $questions["$qid"];
if ($question->type == "0" || $question->type == "1" || $question->type == "3" || $question->type == "-1") {
echo $results["$user"]["$qid"]["answer1"]." ";
}
if ($question->type == "2" || $question->type == "3") {
echo $results["$user"]["$qid"]["answer2"]." ";
}
}
echo "\n";
}
exit;
?>