function submitGraph()
{
if (isset($_GET["graph_id"]) && isset($_GET["solution"])) {
$graphId = $_GET["graph_id"];
if ($graphId < 1 || $graphId > 9) {
echo "invalid graph ID!";
return;
}
$username = "";
if (isset($_GET["username"])) {
$username = $_GET["username"];
}
$tc = new GraphTestCase();
$currGraphJson = $tc->jsonArray[$graphId - 1];
$currGraph = json_decode($currGraphJson, true);
$solutionArray = json_decode($_GET["solution"], true);
// echo var_dump($solutionArray);
$totalScore = 0;
$numMatch = count($solutionArray);
foreach ($solutionArray as $solutionEdge) {
$solutionLeft = $solutionEdge[0];
$solutionRight = $solutionEdge[1];
$valid = false;
foreach ($currGraph["E"] as $edge) {
$left = $edge[0];
$right = $edge[1];
if ($solutionLeft == $left && $solutionRight == $right) {
$totalScore = $totalScore + $edge[2];
$valid = true;
}
}
if (!$valid) {
echo "edge (" . $solutionLeft . "," . $solutionRight . ") is invalid!";
return;
}
}
// echo $totalScore;
if (isset($_SESSION['start']) && isset($_SESSION['graph_id']) && $_SESSION['graph_id'] == $graphId) {
/* or use !isset */
$_SESSION['start'] = 0;
$_SESSION['graph_id'] = 0;
$elapsed = time() - $_SESSION['visittime'];
} else {
echo "Invalid Session, please reset and try again!";
return;
}
$highscoreArray = array();
$highscoreArray["graph_id"] = $graphId;
$highscoreArray["duration"] = $elapsed;
$database = new Database();
$stmt = $database->getTop10Score($graphId);
// echo var_dump($stmt);
// Only submit if the username is not empty
if (strlen($username) > 0) {
$database->submitScore($graphId, $username, $numMatch, $totalScore, $elapsed);
}
// if nobody never played this graph_id yet
if (count($stmt) == 0) {
$highscoreArray["num_match"] = $numMatch;
$highscoreArray["match_score"] = $totalScore;
$highscoreArray["best_duration"] = $elapsed;
$highscoreArray["new_best"] = 1;
} else {
// echo $numMatch." -- ".$stmt[0]["num_match"]."<br>";
// echo $totalScore." -- ".$stmt[0]["match_score"]."<br>";
$newHighscore = false;
if ($numMatch > $stmt[0]["num_match"]) {
$newHighscore = true;
} else {
if ($numMatch == $stmt[0]["num_match"] && $totalScore > $stmt[0]["match_score"]) {
$newHighscore = true;
} else {
if ($numMatch == $stmt[0]["num_match"] && $totalScore == $stmt[0]["match_score"] && $elapsed < $stmt[0]["duration"]) {
$newHighscore = true;
}
}
}
if ($newHighscore) {
$highscoreArray["num_match"] = $numMatch;
$highscoreArray["match_score"] = $totalScore;
$highscoreArray["best_duration"] = $elapsed;
$highscoreArray["new_best"] = 1;
} else {
$highscoreArray["num_match"] = $stmt[0]["num_match"];
$highscoreArray["match_score"] = $stmt[0]["match_score"];
$highscoreArray["best_duration"] = $stmt[0]["duration"];
$highscoreArray["new_best"] = 0;
}
}
echo json_encode($highscoreArray);
} else {
echo "Wrong parameters for solution submission!";
return;
}
}
