75 lines
2.4 KiB
PHP
75 lines
2.4 KiB
PHP
<?php
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function db_gericht_select_karte()
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{
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try {
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$link = connectdb();
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$sql_gerichte = "SELECT * FROM gericht ORDER BY RAND() LIMIT 5";
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$result_sql_gerichte = mysqli_query($link, $sql_gerichte);
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$tabelle = "<table class=\"speisen\"><tr class=\"speisen\"> <td>Gerichte</td><td>Preis intern</td><td>Preis extern</td><td>Bild</td></tr>";
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$verwendete_allergene_code = [];
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$verwendete_allergene_string = "";
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while ($row_gerichte = mysqli_fetch_assoc($result_sql_gerichte)) {
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// Abfrage der vorhandenen Allergene im aktuellen Gericht
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$sql_gericht_hat_allergene = "SELECT * FROM gericht_hat_allergen WHERE gericht_id=" . $row_gerichte['id'];
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$result_sql_gericht_hat_allergene = mysqli_query($link, $sql_gericht_hat_allergene);
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$allergene = "";
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while ($row_allergene = mysqli_fetch_assoc($result_sql_gericht_hat_allergene)) {
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$allergene .= $row_allergene['code'] . ", ";
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if (!in_array($row_allergene['code'], $verwendete_allergene_code)) {
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$verwendete_allergene_code[] = $row_allergene['code'];
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}
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}
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// Preise in EUR
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$preisintern = number_format($row_gerichte['preisintern'], 2, ',', '.');
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$preisextern = number_format($row_gerichte['preisextern'], 2, ',', '.');
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// Ausgabe des aktuellen Gerichts
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$tabelle .= "<tr class=\"speisen\"><td>" . htmlspecialchars($row_gerichte['name']) . " <sup>" . htmlspecialchars($allergene) . "</sup></td><td>" . htmlspecialchars($preisintern) . "€</td><td>" . htmlspecialchars($preisextern) . "€</td><td>Kein Bild in der Datenbank </td></tr>";
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}
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$tabelle .= "</table>";
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// Abfrage der Allergen Code und Name
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$sql_allergen = "SELECT code, name FROM allergen";
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$result_sql_allergen = mysqli_query($link, $sql_allergen);
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while ($row_allergen = mysqli_fetch_assoc($result_sql_allergen)){
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if (in_array($row_allergen['code'], $verwendete_allergene_code)){
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$verwendete_allergene_string .= "<sup>". htmlspecialchars($row_allergen['code']) ."</sup> ". htmlspecialchars($row_allergen['name']) . ", ";
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}
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}
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$data = [
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"gericht" => $tabelle,
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"allergene" => $verwendete_allergene_string
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];
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mysqli_close($link);
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} catch (Exception $ex) {
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$data = array(
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'id' => '-1',
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'error' => true,
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'name' => 'Datenbankfehler ' . $ex->getCode(),
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'beschreibung' => $ex->getMessage());
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} finally {
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return $data;
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}
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} |