2023-05-26 16:39:10 +02:00
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<!DOCTYPE html>
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<html>
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<head>
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<meta lang="de"/>
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<meta charset="utf-8"/>
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<meta name="viewport" content="device=device-width, initial-scaling=1"/>
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<link rel="Stylesheet" type="text/css" href="style.css"/>
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<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
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<title>Candle Bibliothek | Löschen Erfolgreich Meine Bücher</title>
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<link rel="icon" href="pictures/candle.png">
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<script src="burgerIcon.js"></script>
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2023-06-12 10:30:40 +02:00
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<script src="notwendiges_laden.js" defer></script>
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2023-05-26 16:39:10 +02:00
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</head>
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<body>
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2023-06-12 16:17:49 +02:00
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<header id="header">
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<h1 class="kopf" >
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<br><br>
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Bibliothek
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<a href="index.php" id="bildID">
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<img id="CandleID" src="pictures/candle.png"
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alt="Bild von einer Kerze" width="200" height="192"/></a>
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<br><br>
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Candle
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</h1>
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<div>
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<a id="uberuns" href="uberuns.php">Über Uns</a>
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<a id="buecher" href="buecher.php">Bücher</a>
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<a id="meinebuecher" href="anmelden_meinebuecher.php">
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Meine Bücher</a>
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<?php
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session_start();
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if(isset($_SESSION["eingeloggt"]) && $_SESSION["eingeloggt"] == 1 ){
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echo "<a id='abmelden' href='abmelden.php'>Abmelden</a>";}
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?>
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<form action="suchergebnisse.php">
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<input type="hidden" name="searchType" value="simple">
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<input name="searchFor" class="suchleiste" type="search"
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placeholder="Suche...">
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<button type="submit" id="buttonID" class="searchButton">
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<i class="fa fa-search"></i>
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</button>
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</form>
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<a id="erweitertesuche" href="erweitertesuche.php">
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Erweiterte Suche</a>
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2023-06-14 20:31:11 +02:00
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<a href="warenkorb.php" id="warenKorbID">
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2023-06-12 16:17:49 +02:00
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<img id="shoppingCard" src="pictures/einkaufswagen.png"
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alt="Bild von einem Wagen" width="50" height="50"/>
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</a>
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</div>
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</header>
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2023-05-26 16:39:10 +02:00
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2023-06-14 20:01:56 +02:00
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<?php
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2023-06-14 21:29:16 +02:00
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2023-06-14 20:31:11 +02:00
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$BookID = $_GET['buchID'];
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2023-06-14 21:29:16 +02:00
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2023-06-14 20:01:56 +02:00
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$servername = "localhost";
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$username = "web_b-3";
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$password = "een7Ao6s";
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$dbname = "bibliothek_candle";
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$connection =
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mysqli_connect($servername, $username, $password, $dbname);
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if (!$connection) {
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die("Verbindung fehlgeschlagen: " . mysqli_connect_error());
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}
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2023-06-14 21:29:16 +02:00
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$sqlDelete = $connection->prepare("
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DELETE FROM `ausgeliehenes_buch` WHERE `ausgeliehenes_buch`.`AusleihID` = ?;");
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$sqlDelete->bind_param("i", $ID);
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$ID = $_GET['ausleihID'];
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// SQL-Befehl ausführen
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$sqlDelete->execute();
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$sqlGetQuantity = $connection->prepare(
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"SELECT Anzahl, MaxAnzahl FROM `buch` WHERE BuchID = ?;");
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$sqlGetQuantity->bind_param("i", $BookID);
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$sqlGetQuantity->execute();
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// Ergebnis speichern
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$resultGetQuantity = $sqlGetQuantity->get_result();
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if (mysqli_num_rows($resultGetQuantity) > 0) {
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while($rowGetQuantity = mysqli_fetch_assoc($resultGetQuantity)) {
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$bookQuantity = $rowGetQuantity['Anzahl'];
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$bookMaxQuantity = $rowGetQuantity['MaxAnzahl'];
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$bookTempQuantity = $bookQuantity + 1;
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$bookTempQuantityNew = $bookMaxQuantity - $bookTempQuantity;
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$sqlGetBorrowedQuantity = $connection->prepare(
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"SELECT COUNT(*) AS Ausgeliehen
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FROM `ausgeliehenes_buch` WHERE BuchID = ?;"
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);
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$sqlGetBorrowedQuantity->bind_param("i", $BookID);
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$sqlGetBorrowedQuantity->execute();
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// Ergebnis speichern
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$resultGetBorrowedQuantity = $sqlGetBorrowedQuantity->get_result();
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if (mysqli_num_rows($resultGetBorrowedQuantity) > 0) {
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while($rowGetBorrowedQuantity = mysqli_fetch_assoc($resultGetBorrowedQuantity)) {
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$bookBorrowedQuantity = $rowGetBorrowedQuantity['Ausgeliehen'];
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if ($bookBorrowedQuantity == $bookTempQuantityNew) {
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$sqlUpdateBook = $connection->prepare(
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"UPDATE buch SET Anzahl = Anzahl+1
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WHERE buch.BuchID = ? ;"
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);
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$sqlUpdateBook->bind_param("i", $BookID);
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$sqlUpdateBook->execute();
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}
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else {
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$sqlGetBorrowedID = $connection->prepare(
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"SELECT AusleihID
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FROM `ausgeliehenes_buch`
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WHERE BuchID = ?
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AND Reserviert=1
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ORDER BY Enddatum
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DESC LIMIT 1;"
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);
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$sqlGetBorrowedID->bind_param("i", $BookID);
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$sqlGetBorrowedID->execute();
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// Ergebnis speichern
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$resultGetBorrowedID = $sqlGetBorrowedID->get_result();
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if (mysqli_num_rows($resultGetBorrowedID) > 0) {
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while($rowGetBorrowedID = mysqli_fetch_assoc($resultGetBorrowedID)) {
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$bookBorrowedID = $rowGetBorrowedID['AusleihID'];
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$sqlUpdateBookID = $connection->prepare(
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"UPDATE `ausgeliehenes_buch`
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SET `Verlängerbar` = '1',
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`Reserviert` = '0'
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WHERE `ausgeliehenes_buch`.`AusleihID` = ?;"
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);
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$sqlUpdateBookID->bind_param("i", $bookBorrowedID);
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$sqlUpdateBookID->execute();
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}
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}
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}
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}
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}
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}
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}
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2023-06-14 20:01:56 +02:00
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?>
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2023-05-26 16:39:10 +02:00
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<div class="hauptcontainer" id="verlängerung">
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<h1 id="verlängerungH1">Buch erfolgreich entfernt</h1>
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<div id="verlängerungContent">
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<p id="möchten-sie">Die Reservierung wurde erfolgreich aufgehoben.</p>
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<div id="verlängerungButtonContainer">
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2023-05-31 13:51:15 +02:00
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<a id = "verlängerungErfolgreichButton1" href="meinebuecher.php">Zurück zum Warennkorb</a>
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2023-05-26 16:39:10 +02:00
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</div>
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</div>
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</div>
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<!--Link JS file-->
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<!--If it was small and got big, it calls the function only one time and doesn't do it all the time-->
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2023-06-14 12:04:25 +02:00
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<script src="resize.js"></script>
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2023-05-26 16:39:10 +02:00
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2023-06-12 11:23:37 +02:00
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<nav id="activeid" class="active"></nav>
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2023-05-26 16:39:10 +02:00
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2023-06-12 10:30:40 +02:00
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<footer id="footer" class="fuss" ></footer>
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2023-05-26 16:39:10 +02:00
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</body>
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2023-05-31 13:51:15 +02:00
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</html>
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