88 lines
No EOL
3.7 KiB
PHP
88 lines
No EOL
3.7 KiB
PHP
<?php
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include $_SERVER["DOCUMENT_ROOT"] . "/php/scripts.php";
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if (!checkLogin()) {
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jsonMsg("Nie jesteś zalogowany");
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exit();
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}
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if ($_SERVER['REQUEST_METHOD'] == "POST" && isset($_POST["testStart"])) {
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if ($_POST["testLength"] > 100 || $_POST["testLength"] < 2)
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jsonMsg("Test nie może być dłuższy niż 100 pytań ani krótszy niż 2");
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$conn = connectDB();
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$stmt = $conn->prepare("SELECT QID FROM questions");
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$stmt->execute();
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$stmt->bind_result($QID);
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$allQIDs = [];
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while ($stmt->fetch())
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$allQIDs[] = $QID;
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$stmt->close();
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shuffle($allQIDs);
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$questionsIDs = array_slice($allQIDs, 0, $_POST["testLength"]);
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$filler = implode(",", array_fill(0, count($questionsIDs), "?"));
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$stmt = $conn->prepare("SELECT QID, content, answerA, answerB, answerC, answerD FROM questions WHERE QID IN ($filler) ORDER BY FIELD(QID, $filler)");
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$types = str_repeat("i", count($questionsIDs) * 2);
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$arrMerged = array_merge($questionsIDs, $questionsIDs);
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$stmt->bind_param($types, ...$arrMerged);
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$stmt->execute();
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$stmt->bind_result($QID, $content, $answerA, $answerB, $answerC, $answerD);
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$result = [];
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while ($stmt->fetch())
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$result["questions"][] = [
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"QID" => $QID,
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"content" => $content,
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"answerA" => $answerA,
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"answerB" => $answerB,
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"answerC" => $answerC,
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"answerD" => $answerD
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];
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$stmt->close();
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$conn->close();
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$result["msg"] = "Wygenerowano " . count($result["questions"]) . " pytań";
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echo json_encode($result);
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} else if ($_SERVER['REQUEST_METHOD'] == "POST" && isset($_POST["testEnd"])) {
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$allTestAnswers = [];
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$answersQIDs = [];
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foreach ($_POST as $key => $value) {
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if (in_array($key, ["save", "rank", "testEnd", "testLenght"]) || !is_numeric($key))
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continue;
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$allTestAnswers[(int) $key] = ["answeredChar" => $value, "position" => (int)$_POST["q$key"], "correct" => false];
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$answersQIDs[] = (int) $key;
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}
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$conn = connectDB();
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$filler = implode(",", array_fill(0, count($allTestAnswers), "?"));
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$stmt = $conn->prepare("SELECT QID, answerChar FROM questions WHERE QID IN ($filler)");
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$types = str_repeat("i", count($allTestAnswers));
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$stmt->bind_param($types, ...$answersQIDs);
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$stmt->execute();
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$stmt->bind_result($QID, $correctChar);
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$correctAnswers = 0;
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while ($stmt->fetch()) {
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$allTestAnswers[$QID]["correctChar"] = $correctChar;
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if ($correctChar == $allTestAnswers[$QID]["answeredChar"]) {
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$allTestAnswers[$QID]["correct"] = true;
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$correctAnswers += 1;
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}
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}
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$stmt->close();
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$result = ["answers" => $allTestAnswers, "correctAnswers" => $correctAnswers, "testLength" => count($allTestAnswers)];
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if (isset($_POST["save"]) && isset($_SESSION["username"])) {
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$testLength = count($allTestAnswers);
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$rank = isset($_POST["rank"]) && $testLength == 20;
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$stmt = $conn->prepare("INSERT INTO tests (rank, correctAnswers, testLength, UID) VALUES (?, ?, ?, ?)");
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$stmt->bind_param("iiii", $rank, $correctAnswers, $testLength, $_SESSION["UID"]);
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$stmt->execute();
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$TID = $stmt->insert_id;
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$stmt->close();
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$stmt = $conn->prepare("INSERT INTO testAnswers (QID, position, answeredChar, correct, TID) VALUES (?, ?, ?, ?, ?)");
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foreach ($allTestAnswers as $QID => $arr) {
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$stmt->bind_param("iisii", $QID, $arr["position"], $arr["answeredChar"], $arr['correct'], $TID);
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$stmt->execute();
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}
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$stmt->close();
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}
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$conn->close();
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$result["status"] = "OK";
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$result["msg"] = "Ukończono pomyślnie";
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echo json_encode($result);
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} else
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jsonMsg("Nieprawidłowy request"); |