mirror of
https://gitlab.com/harald.mueller/aktuelle.kurse.git
synced 2024-10-19 09:55:03 +02:00
191 lines
6.0 KiB
PHP
191 lines
6.0 KiB
PHP
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<?php
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/*Program: Book site from Youngster Library*/
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header('Content-Type: text/html;charset=utf-8;');
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include 'general/session_start.php';
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?>
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<!DOCTYPE HTML>
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<html>
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<head>
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<?php include 'general/head.php'; ?>
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<title>Youngster Library - Bücher</title>
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</head>
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<body>
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<div id="content">
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<?php include 'general/header.php'; ?>
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<div id="main">
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<h1>Unsere Bücher</h1>
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<?php
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$filtern = "";
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if(isset($_SESSION['user']) && $_SESSION['user'] == 'admin' && isset($_POST['filtern'])){
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$filtern = $_POST['filternnach'];
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}
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if (isset($_SESSION['user']) && $_SESSION['user'] == 'admin'){
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echo '<a href="buch_erfassen.php"><img src="images/web_plus.png" alt="Buch hinzufügen" class="plus"/></a>';
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}
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if (isset($_SESSION['user'])){
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if ($_SESSION['user'] == 'admin') {
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$bookDetails = 'buch_bearbeiten.php';
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}
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else {
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$bookDetails = 'buch_details.php';
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}
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}
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else {
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$bookDetails = 'buch_details.php';
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}
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define ( 'MYSQL_HOST', 'localhost:3306' );
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define ( 'MYSQL_BENUTZER', 'root' );
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define ( 'MYSQL_KENNWORT', '' );
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define ( 'MYSQL_DATENBANK', 'youngster_library' );
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$db_link = @mysqli_connect (
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MYSQL_HOST,
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MYSQL_BENUTZER,
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MYSQL_KENNWORT,
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MYSQL_DATENBANK);
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if ( ! $db_link ){
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echo 'keine Verbindung zur Zeit möglich - später probieren ';
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}
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mysqli_set_charset($db_link, 'utf8');
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$sql = "
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SELECT *
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FROM buch
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";
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if(isset($_SESSION['user']) && $_SESSION['user'] == 'admin' && isset($_POST['filtern']) && $_POST['filternnach'] != "alle"){
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$sql .= "
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WHERE verfuegbar = '" . $filtern . "'
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";
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}
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$sql .= "
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ORDER BY jahr
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";
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$db_erg = mysqli_query( $db_link, $sql );
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if(isset($_SESSION['user']) && $_SESSION['user'] == 'admin'){
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echo '<form name="filtern" action="' . $_SERVER['PHP_SELF'] .'" method="POST" accept-charset="utf-8" enctype="multipart/form-data">';
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echo '<table>';
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echo '<tr>';
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echo '<th>';
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echo '<select name="filternnach" class="filternDropdown">';
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echo '<option ';
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if($filtern == "alle"){
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echo 'selected ';
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}
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echo 'value="alle">Alle';
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echo '<option ';
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if($filtern == "nein"){
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echo 'selected ';
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}
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echo 'value="nein">Ausgeliehen';
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echo '<option ';
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if($filtern == "ja"){
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echo 'selected ';
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}
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echo 'value="ja">Nicht ausgeliehen';
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echo '</select>';
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echo'</th>';
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echo '<th><input type="submit" name="filtern" value="Filtern" class="filterbutton"></th>';
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echo '</tr>';
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echo '</table>';
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echo '</form><br/>';
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}
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while ($daten = mysqli_fetch_array( $db_erg, MYSQL_ASSOC)){
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$sql = "
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SELECT COUNT(*) as positiv
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FROM bewertung
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WHERE buch_idfs = " . $daten['buch_id'] . "
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AND bewertung = 'Positiv'
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";
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$db_ergpos = mysqli_query( $db_link, $sql );
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$positiv = mysqli_fetch_array($db_ergpos, MYSQL_ASSOC);
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$sql = "
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SELECT COUNT(*) as negativ
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FROM bewertung
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WHERE buch_idfs = " . $daten['buch_id'] . "
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AND bewertung = 'Negativ'
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";
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$db_ergneg = mysqli_query( $db_link, $sql );
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$negativ = mysqli_fetch_array($db_ergneg, MYSQL_ASSOC);
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if($daten['reihe'] == NULL){
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$reihe = "Keine Reihe";
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}else{
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$reihe = $daten['reihe'];
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}
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if(strlen($daten['titel']) > 40){
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$kurz = substr($daten['titel'], 0, 40);
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$kurz = trim($kurz);
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if(strlen($kurz) - strrpos($kurz, ' ') < 3){
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$titel = substr($kurz, 0, strrpos($kurz, ' '));
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}else{
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$titel = substr($kurz, 0, strrpos($kurz, ' '));
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}
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$titel .= "...";
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}else{
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$titel = $daten['titel'];
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}
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echo '<form name="bearbeiten" action="' . $bookDetails . '" method="POST" accept-charset="utf-8" enctype="multipart/form-data">';
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echo '<table>';
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echo '<tr>';
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echo '<th rowspan="5" colspan="4"><label for="bildbutton[' . $daten['buch_id'] . ']"><img src="' . $daten['bild'] . '" alt="' . $daten['titel'] . '" class="listEditBooks"/></label></th>';
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echo '<th colspan="2"><input type="submit" id="bildbutton[' . $daten['buch_id'] . ']" name="bearbeiten[' . $daten['buch_id'] . ']" value="' . $titel . '" class="bildbutton"></th>';
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echo '</tr>';
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echo '<tr>';
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echo '<td class="bezeichnung">Verfasser:</td>';
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echo '<td>' . $daten['verfasser'] . '</td>';
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echo '</tr>';
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echo '<tr>';
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echo '<td class="bezeichnung">Jahr:</td>';
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echo '<td>' . $daten['jahr'] . '</td>';
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echo '</tr>';
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echo '<tr>';
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echo '<td class="bezeichnung">Verlag:</td>';
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echo '<td>' . $daten['verlag'] . '</td>';
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echo '</tr>';
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echo '<tr>';
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echo '<td class="bezeichnung">Reihe:</td>';
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echo '<td>' . $reihe . '</td>';
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echo '</tr>';
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echo '<tr>';
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echo '<td><img class="daumen"src="images/up.png" alt="Daumen rauf"/></td>';
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echo '<td>' . $positiv['positiv'] . '</td>';
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echo '<td><img class="daumen" src="images/down.png" alt="Daumen runter"/></td>';
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echo '<td>' . $negativ['negativ'] . '</td>';
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if($daten['verfuegbar'] == "ja"){
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echo '<td class="bezeichnungrechts"><img src="images/haekchen.png" alt="Häkchen"/></td>';
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echo '<td>Verfügbar</td>';
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}else{
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echo '<td class="bezeichnungrechts"><img src="images/kreuz.png" alt="Kreuz"/></td>';
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echo '<td>Nicht verfügbar</td>';
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}
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echo '</tr>';
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echo '</table>';
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echo '</form><br><br>';
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}
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?>
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</div>
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<?php include 'general/footer.php'; ?>
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</div>
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</body>
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<?php include 'general/scroll_up.php'; ?>
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</html>
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