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vs-process.php
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<?php
session_start();
include "conn.php";
//echo var_dump($_POST);
//echo var_dump($_SESSION);
//echo var_dump($_SERVER);
$session_data = $mysqli->escape_string(serialize($_SESSION));
$post_data = $mysqli->escape_string(serialize($_POST));
$success = true;
if (!$mysqli->query("INSERT INTO responses(session, response) VALUES('$session_data', '$post_data')"))
$success = false;
if ($mysqli->affected_rows != 1)
$success = false;
/*
$query=SELECT * FROM shirtColors;
$doQuery=mysql_query($query);
$numrows=mysql_num_rows($doQuery);
if($numrows>0)
{
while($colors=mysql_fetch_array($doQuery))
{
$colors=unserialize($colors['colors']);
foreach($colors as $shirt)
{
print $shirt.', ';
}
}
}
else
{
print 'No colors in database.';
}
*/
include "study-conditions.php";
// from the rating data, return the three highest rated videos
function getCandidateVideos(){
$ratings = array();
$vid = array();
for ($i=0; $i<10; $i++) {
$ratings[] = $_POST["entry_" . $i . "_0_group"];
$vids[] = $_POST["vid" . $i];
}
//echo print_r($ratings);
asort($ratings);
//echo print_r(array_slice($ratings, -3, 3, true));
$result = array();
foreach(array_slice($ratings, -3, 3, true) as $key => $value)
$result[] = $vids[$key];
//echo print_r($result);
return $result;
}
// part
// --cond
// ----step
$nextUrl = "";
$params = "";
$otherParams = "";
if ($_POST["part"] == 0) {
// part 0. Intro
$nextPart = 1;
$nextUrl = "vs-intro.php";
$nextStep = "intro";
$nextCond = 1;
} else if ($_POST["part"] == 1) {
// part 1. Video Summarization Study
if ($_POST["step"] == "intro"){
$nextPart = 1;
$nextUrl = "vs-intro-i.php";
$nextStep = "intro-i";
$nextCond = $_POST["cond"];
$otherParams .= "&tid=" . $user_condition[$_SESSION["username"]]["cond" . $nextCond]["tid"];
$otherParams .= "&iid=" . $user_condition[$_SESSION["username"]]["cond" . $nextCond]["iid"];
} else if ($_POST["step"] == "intro-i"){
$nextPart = 1;
$nextUrl = "vs-intro-t.php";
$nextStep = "intro-t";
$nextCond = $_POST["cond"];
$otherParams .= "&tid=" . $user_condition[$_SESSION["username"]]["cond" . $nextCond]["tid"];
$otherParams .= "&iid=" . $user_condition[$_SESSION["username"]]["cond" . $nextCond]["iid"];
} else if ($_POST["step"] == "intro-t"){
$nextPart = 1;
$nextUrl = "vs-list.php";
$nextStep = "list";
$nextCond = $_POST["cond"];
$otherParams .= "&tid=" . $user_condition[$_SESSION["username"]]["cond" . $nextCond]["tid"];
$otherParams .= "&iid=" . $user_condition[$_SESSION["username"]]["cond" . $nextCond]["iid"];
} else if ($_POST["step"] == "list"){
$nextPart = 1;
$nextUrl = "vs-watch.php";
$nextStep = "watch1";
$nextCond = $_POST["cond"];
$toWatch = getCandidateVideos();
$otherParams .= "&vid1=" . $toWatch[0] . "&vid2=" . $toWatch[1] . "&vid3=" . $toWatch[2];
$otherParams .= "&tid=" . $user_condition[$_SESSION["username"]]["cond" . $nextCond]["tid"];
$otherParams .= "&iid=" . $user_condition[$_SESSION["username"]]["cond" . $nextCond]["iid"];
} else if ($_POST["step"] == "watch1") {
$nextPart = 1;
$nextUrl = "vs-watch.php";
$nextStep = "watch2";
$nextCond = $_POST["cond"];
$otherParams .= "&vid1=" . $_POST["vid1"] . "&vid2=" . $_POST["vid2"] . "&vid3=" . $_POST["vid3"];
$otherParams .= "&tid=" . $user_condition[$_SESSION["username"]]["cond" . $nextCond]["tid"];
$otherParams .= "&iid=" . $user_condition[$_SESSION["username"]]["cond" . $nextCond]["iid"];
} else if ($_POST["step"] == "watch2") {
$nextPart = 1;
$nextUrl = "vs-watch.php";
$nextStep = "watch3";
$nextCond = $_POST["cond"];
$otherParams .= "&vid1=" . $_POST["vid1"] . "&vid2=" . $_POST["vid2"] . "&vid3=" . $_POST["vid3"];
$otherParams .= "&tid=" . $user_condition[$_SESSION["username"]]["cond" . $nextCond]["tid"];
$otherParams .= "&iid=" . $user_condition[$_SESSION["username"]]["cond" . $nextCond]["iid"];
} else if ($_POST["step"] == "watch3") {
$nextPart = 1;
$nextUrl = "vs-post-questionnaire.php";
$nextStep = "pq";
$nextCond = $_POST["cond"];
$otherParams .= "&tid=" . $user_condition[$_SESSION["username"]]["cond" . $nextCond]["tid"];
$otherParams .= "&iid=" . $user_condition[$_SESSION["username"]]["cond" . $nextCond]["iid"];
} else if ($_POST["step"] == "pq") {
$nextPart = 1;
$nextUrl = "vs-done.php";
$nextStep = "done";
$nextCond = $_POST["cond"];
$otherParams .= "&tid=" . $user_condition[$_SESSION["username"]]["cond" . $nextCond]["tid"];
$otherParams .= "&iid=" . $user_condition[$_SESSION["username"]]["cond" . $nextCond]["iid"];
} else if ($_POST["step"] == "done") {
if ($_POST["cond"] == 3) {
$nextPart = 2;
$nextUrl = "design-intro.php";
$nextStep = "intro";
$nextCond = "A";
} else {
$nextPart = 1;
$nextUrl = "vs-intro-i.php";
$nextStep = "intro-i";
$nextCond = $_POST["cond"] + 1;
$otherParams .= "&tid=" . $user_condition[$_SESSION["username"]]["cond" . $nextCond]["tid"];
$otherParams .= "&iid=" . $user_condition[$_SESSION["username"]]["cond" . $nextCond]["iid"];
}
}
// cond 1, 2, 3: determined per user from the table
// step 0: vs-list.php
// step 1, 2, 3: determined per user from their ratings in step 0.
// step 4: vs-post-questionnaire.php
// part 2. End-to-End Design Study
} else if ($_POST["part"] == 2) {
if ($_POST["step"] == "intro"){
$nextPart = 2;
$nextUrl = "tutorial.php";
$nextStep = "tutorial";
$nextCond = $_POST["cond"];
} else if ($_POST["step"] == "tutorial"){
$nextPart = 2;
$nextUrl = "list.php";
$nextStep = "tutorial-task";
$nextCond = $_POST["cond"];
$otherParams .= "&tid=" . $tutorial_tid;
$otherParams .= "&iid=" . $user_condition[$_SESSION["username"]]["cond" . $_POST["cond"]]["iid"];
} else if ($_POST["step"] == "tutorial-task"){
$nextPart = 2;
$nextUrl = "intro-task.php";
$nextStep = "intro-task";
$nextCond = $_POST["cond"];
$otherParams .= "&tid=" . $user_condition[$_SESSION["username"]]["cond" . $_POST["cond"]]["tid"];
$otherParams .= "&iid=" . $user_condition[$_SESSION["username"]]["cond" . $_POST["cond"]]["iid"];
} else if ($_POST["step"] == "intro-task"){
$nextPart = 2;
// Original Code: asking twice. uncomment the two lines.
//$nextUrl = "preq.php";
//$nextStep = "preq";
if ($_POST["cond"] == "A"){
$nextUrl = "preq.php";
$nextStep = "preq";
} else {
$nextUrl = "list.php";
$nextStep = "list";
}
$nextCond = $_POST["cond"];
$otherParams .= "&tid=" . $user_condition[$_SESSION["username"]]["cond" . $_POST["cond"]]["tid"];
$otherParams .= "&iid=" . $user_condition[$_SESSION["username"]]["cond" . $_POST["cond"]]["iid"];
} else if ($_POST["step"] == "preq"){
$nextPart = 2;
$nextUrl = "list.php";
$nextStep = "list";
$nextCond = $_POST["cond"];
$otherParams .= "&tid=" . $user_condition[$_SESSION["username"]]["cond" . $_POST["cond"]]["tid"];
$otherParams .= "&iid=" . $user_condition[$_SESSION["username"]]["cond" . $_POST["cond"]]["iid"];
} else if ($_POST["step"] == "list"){
$nextPart = 2;
$nextUrl = "postq.php";
$nextStep = "postq";
$nextCond = $_POST["cond"];
$otherParams .= "&tid=" . $user_condition[$_SESSION["username"]]["cond" . $_POST["cond"]]["tid"];
$otherParams .= "&iid=" . $user_condition[$_SESSION["username"]]["cond" . $_POST["cond"]]["iid"];
} else if ($_POST["step"] == "postq"){
$nextPart = 2;
$nextUrl = "done.php";
$nextStep = "done";
$nextCond = $_POST["cond"];
$otherParams .= "&tid=" . $user_condition[$_SESSION["username"]]["cond" . $_POST["cond"]]["tid"];
$otherParams .= "&iid=" . $user_condition[$_SESSION["username"]]["cond" . $_POST["cond"]]["iid"];
} else if ($_POST["step"] == "done"){
if ($_POST["cond"] == "A") {
$nextPart = 2;
$nextUrl = "tutorial.php";
$nextStep = "tutorial";
$nextCond = "B";
} else {
$nextPart = 3;
$nextUrl = "finish.php";
$nextStep = "finish";
$nextCond = "";
}
}
} else {
// Store everything anyway to make sure we don't miss anything.
}
$params = "?part=" . $nextPart . "&step=" . $nextStep . "&cond=" . $nextCond;
$nextUrl .= $params . $otherParams;
header("location:" . $nextUrl);
?>