moodle/mod/survey/save.php
2004-02-20 16:03:05 +00:00

103 lines
2.9 KiB
PHP

<?PHP // $Id$
require_once('../../config.php');
require_once('lib.php');
// Make sure this is a legitimate posting
if (!$formdata = data_submitted("$CFG->wwwroot/mod/survey/view.php")) {
error("You are not supposed to use this script like that.");
}
if (isguest()) {
error("Guests are not allowed to answer surveys", $_SERVER["HTTP_REFERER"]);
}
require_variable($id); // Course Module ID
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 (! $survey = get_record("survey", "id", $cm->instance)) {
error("Survey ID was incorrect");
}
add_to_log($course->id, "survey", "submit", "view.php?id=$cm->id", "$survey->id", "$cm->id");
if (survey_already_done($survey->id, $USER->id)) {
notice(get_string("alreadysubmitted", "survey"), $_SERVER["HTTP_REFERER"]);
exit;
}
// Sort through the data and arrange it
// This is necessary because some of the questions
// may have two answers, eg Question 1 -> 1 and P1
$answers = array();
foreach ($formdata as $key => $val) {
if ($key <> "userid" && $key <> "id") {
if ( substr($key,0,1) == "q") {
$key = substr($key,1); // keep everything but the 'q'
}
if ( substr($key,0,1) == "P") {
$realkey = substr($key,1);
$answers[$realkey][1] = $val;
} else {
$answers[$key][0] = $val;
}
}
}
// Now store the data.
$timenow = time();
foreach ($answers as $key => $val) {
$newdata->time = $timenow;
$newdata->userid = $USER->id;
$newdata->survey = $survey->id;
$newdata->question = $key;
if (!empty($val[0])) {
$newdata->answer1 = $val[0];
} else {
$newdata->answer1 = "";
}
if (!empty($val[1])) {
$newdata->answer2 = $val[1];
} else {
$newdata->answer2 = "";
}
if (! insert_record("survey_answers", $newdata)) {
error("Encountered a problem trying to store your results. Sorry.");
}
}
// Print the page and finish up.
$strsurveys = get_string("modulenameplural", "survey");
$strsurveysaved = get_string("surveysaved", "survey");
print_header("$course->shortname: $strsurveysaved", "$course->fullname",
"<a href=\"$CFG->wwwroot/course/view.php?id=$course->id\">$course->shortname</a> ->
<a href=\"index.php?id=$course->id\">$strsurveys</a> -> $survey->name -> $strsurveysaved", "");
notice(get_string("thanksforanswers","survey", $USER->firstname), "$CFG->wwwroot/course/view.php?id=$course->id");
exit;
?>