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Change results array structure #1

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mattbk merged 8 commits from change-results-array-structure into master 2015-11-01 10:09:39 -06:00
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2 changed files with 47 additions and 3 deletions
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index.php
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@ -100,38 +100,35 @@ switch ($mode) {
//Store the result.
//Loop through $results better
//This will allow running only one query rather than several: http://stackoverflow.com/a/10054657/2152245
//However, if you want to define the number of phases/scenes in settings.json only (and not in a db setup script),
// you have to use an EAV table here with fields like userid, phase, measure [xccordinate, ycoordinate, or responsetime], value [value for measure] at minimum.
// then need to rewrite the query to pull them out of the db correctly, since each userid will have one row per measure per phase.
//Criticism of EAV: https://www.simple-talk.com/sql/database-administration/five-simple--database-design-errors-you-should-avoid/,
//
//Below needs to be rewritten; because I have `phase` as a field, I can also have `xcoordinate`, `ycoordinate`, and `responsetime`
//Because I have `phase` as a field, I can also have `xcoordinate`, `ycoordinate`, and `responsetime`
// as values as well. Table should have a field list of: uid, datetime, host, userid, phase, xcoordinate, ycoordinate, responsetime.
// SELECT query should then return one row per userid per phase/scene.
foreach ($_SESSION['results'] as $phasename => $phasevalue) {
$ready = array();
$ready[] = $phasename;
foreach ($phasevalue as $measure => $measurevalue) {
//Put results in the right order for database
array_push($ready, $measurevalue);
}
//Building an INSERT query:
//Include userid (once collection form is added into the start page)
//Include a timestamp that actually works
//Test output on the screen
//echo ""."".$_SERVER['REMOTE_ADDR'].$phasename.$measure.$measurevalue."<br>";
// DB fields: uid, date, host, phase, measure, value
// http://php.net/manual/en/function.implode.php
$columnstoimplode = array("uid", "datetime", "host", "phase", "measure", "value");
$columnstoimplode = array("uid", "datetime", "host", "phase", "xcoordinate", "ycoordinate","responsetime");
// 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');
$valuestoimplode = array("", $timestamp, $_SERVER['REMOTE_ADDR'], $phasename, $measure, $measurevalue);
$valuestoimplode = array("", $timestamp, $_SERVER['REMOTE_ADDR']);
$valuestoimplode = array_merge($valuestoimplode,$ready);
$values = "'".implode("', '", $valuestoimplode)."'";
print_r($values);
// Build and execute query
$sql = "INSERT INTO results (";
$sql .= $columns;
$sql .= ") VALUES ($values)";
$db->query($sql) or die('Could not execute query:<br>'.mysqli_error($db));
}
}
//Debugging