matt/changeblindness
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Add participant ID

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Collect participant ID at the beginning, store in database, export with
results.  Closes https://github.com/mattbk/changeblindness/issues/2.
This commit is contained in:
mattbk
2015-11-01 15:11:27 -06:00
parent 223c819138
commit 0da40716fc
4 changed files with 20 additions and 6 deletions
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13
index.php
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@ -69,6 +69,10 @@ switch ($mode) {
$variables['imageWithElement'] = 'img/'.$phase.'-with.png';
$variables['imageWithoutElement'] = 'img/'.$phase.'-without.png';
$variables['step_count'] = $index;
// Store the participant ID with some simple validation to prevent SQL injection
if (isset($_POST['participantid'])) {
$_SESSION['participantid'] = preg_replace('/[^A-Za-z0-9\. -]/', '', $_POST['participantid']);
}
break;
case 'phase_next':
$template = 'next.html.twig';
@ -107,12 +111,16 @@ switch ($mode) {
//Building an INSERT query:
//Include userid (once collection form is added into the start page)
// DB fields are listed here:
$columnstoimplode = array("uid", "datetime", "host", "phase", "xcoordinate", "ycoordinate","responsetime","score");
$columnstoimplode = array("uid", "datetime", "host", "participantid","phase", "xcoordinate", "ycoordinate","responsetime","score");
// Note that backticks (`) go around field names...
$columns = "`".implode("`, `", $columnstoimplode)."`";
// Set up timestamp so you can tell participants apart. http://alvinalexander.com/php/php-date-formatted-sql-timestamp-insert
$timestamp = date('Y-m-d G:i:s');
// Add the uid placeholder, timestamd, and host/IP
$valuestoimplode = array("", $timestamp, $_SERVER['REMOTE_ADDR']);
// Add the participant ID
array_push($valuestoimplode,$_SESSION['participantid']);
// Add the results
$valuestoimplode = array_merge($valuestoimplode,$ready);
$values = "'".implode("', '", $valuestoimplode)."'";
//print_r($values);
@ -170,7 +178,7 @@ switch ($mode) {
$stats = array();
//Skip empty results (created during debugging)
if ($record['responsetime'] > 0) {
if ($record['participantid'] != "") {
//Put your results in one array
$variables['data'][] = $record;
}
@ -188,7 +196,6 @@ switch ($mode) {
} //End while to loop through results from database.
$results->free();
break;
} //End case to select page.