diff --git a/src/Praktikum/Prak5/Baecker.php b/src/Praktikum/Prak5/Baecker.php
new file mode 100644
index 0000000000000000000000000000000000000000..7264a27c2f3c4e8a94ca0b605bcb1a2a4a5ec35b
--- /dev/null
+++ b/src/Praktikum/Prak5/Baecker.php
@@ -0,0 +1,224 @@
+<?php declare(strict_types=1);
+// UTF-8 marker äöüÄÖÜ߀
+/**
+ * Class baecker for the exercises of the EWA lecture
+ * Demonstrates use of PHP including class and OO.
+ * Implements Zend coding standards.
+ * Generate documentation with Doxygen or phpdoc
+ *
+ * PHP Version 7.4
+ *
+ * @file baecker.php
+ * @package Page Templates
+ * @author Bernhard Kreling, <bernhard.kreling@h-da.de>
+ * @author Ralf Hahn, <ralf.hahn@h-da.de>
+ * @version 3.1
+ */
+
+// to do: change name 'baecker' throughout this file
+require_once './Page.php';
+require_once './DB_Classes/OrderedArticle.php';
+/**
+ * This is a template for top level classes, which represent
+ * a complete web page and which are called directly by the user.
+ * Usually there will only be a single instance of such a class.
+ * The name of the template is supposed
+ * to be replaced by the name of the specific HTML page e.g. baker.
+ * The order of methods might correspond to the order of thinking
+ * during implementation.
+ * @author Bernhard Kreling, <bernhard.kreling@h-da.de>
+ * @author Ralf Hahn, <ralf.hahn@h-da.de>
+ */
+class Baecker extends Page
+{
+ // to do: declare reference variables for members
+ // representing substructures/blocks
+
+ /**
+ * Instantiates members (to be defined above).
+ * Calls the constructor of the parent i.e. page class.
+ * So, the database connection is established.
+ * @throws Exception
+ */
+ protected function __construct()
+ {
+ parent::__construct();
+ // to do: instantiate members representing substructures/blocks
+ }
+
+ /**
+ * Cleans up whatever is needed.
+ * Calls the destructor of the parent i.e. page class.
+ * So, the database connection is closed.
+ */
+ public function __destruct()
+ {
+ parent::__destruct();
+ }
+
+ /**
+ * Fetch all data that is necessary for later output.
+ * Data is returned in an array e.g. as associative array.
+ * @return array An array containing the requested data.
+ * This may be a normal array, an empty array or an associative array.
+ */
+ protected function getViewData():array
+ {
+ $query = "SELECT * FROM ordered_article;";
+ $resultSet = $this->_database->query($query);
+ $orderedArticleList = array();
+
+ while ($row = $resultSet->fetch_assoc()) {
+
+ $orderedArticle = new OrderedArticle(
+ (int)$row["ordered_article_id"], (int)$row["ordering_id"], (int)$row["article_id"], (int)$row["status"]
+ );
+
+ $orderedArticleList[$orderedArticle->getOrderedArticleId()] = $orderedArticle;
+ }
+ $resultSet->free_result();
+ return $orderedArticleList;
+ }
+
+ /**
+ * First the required data is fetched and then the HTML is
+ * assembled for output. i.e. the header is generated, the content
+ * of the page ("view") is inserted and -if available- the content of
+ * all views contained is generated.
+ * Finally, the footer is added.
+ * @return void
+ */
+ protected function generateView():void
+ {
+ $data = $this->getViewData(); //NOSONAR ignore unused $data
+ $this->generatePageHeader('Bäcker',"",true); //to do: set optional parameters
+ echo <<< HTML
+ \n<section id="baecker">
+ <h2>Bestellung</h2>
+
+ <form id="formBaecker" accept-charset="UTF-8" action="#" method="post">\n
+HTML;
+
+ $noOrders = true;
+ foreach ($data as $order){
+ $query = "SELECT UNIQUE name FROM article, ordered_article
+ WHERE article.article_id = {$order->getArticleId()};";
+ $resultSet = $this->_database->query($query);
+ $resultArray = $resultSet->fetch_assoc();
+ $resultSet->free_result();
+
+ $pizzaName = htmlspecialchars($resultArray["name"]);
+ $orderedArticleId = $order->getOrderedArticleId();
+
+ $status = $order->getStatus();
+ if ($status > 2 ) {
+ continue;
+ }
+ else {
+ $noOrders = false;
+ }
+
+ $statusArray = array_fill(0, 5, "");
+ $statusArray[$status] = "checked";
+
+ echo <<< HTML
+ <fieldset>
+ <legend>Bestellung {$order->getOrderingId()} Pizza {$pizzaName}</legend>
+ Status: <br>
+ <label>
+ Bestellt
+ <input type="radio" name="{$orderedArticleId}" value="0" {$statusArray[0]} onclick="document.forms['formBaecker'].submit();">
+ </label> <br>
+
+ <label>
+ Im Ofen
+ <input type="radio" name="{$orderedArticleId}" value="1" {$statusArray[1]} onclick="document.forms['formBaecker'].submit();">
+ </label> <br>
+
+ <label>
+ Fertig
+ <input type="radio" name="{$orderedArticleId}" value="2" {$statusArray[2]} onclick="document.forms['formBaecker'].submit();">
+ </label>
+ </fieldset>\n
+HTML;
+ }
+
+ if ($noOrders) {
+
+ echo <<< HTML
+ \n<p>Es gibt keine Bestellungen</p>
+HTML;
+ }
+
+ echo <<< HTML
+ </form>
+ </section>\n
+HTML;
+
+ $this->generatePageFooter();
+ }
+
+ /**
+ * Processes the data that comes via GET or POST.
+ * If this page is supposed to do something with submitted
+ * data do it here.
+ * @return void
+ */
+ protected function processReceivedData():void
+ {
+ parent::processReceivedData();
+ // to do: call processReceivedData() for all members
+ $data = $this->getViewData();
+ foreach ($data as $order){
+ $orderedArticleId = $order->getOrderedArticleId();
+ if (isset($_POST["{$orderedArticleId}"]) && is_numeric($_POST["{$orderedArticleId}"])) {
+ $status = $this->_database->real_escape_string($_POST["{$orderedArticleId}"]);
+ $query = "UPDATE ordered_article SET status = {$status}
+ WHERE ordered_article.ordered_article_id = {$orderedArticleId};";
+ $this->_database->query($query);
+ }
+ }
+
+ // On Post => Reload
+ if (isset($_POST["save"])) {
+ header("HTTP/1.1 303 See Other");
+ header('Location: ' . $_SERVER['REQUEST_URI']);
+ die;
+ }
+ }
+
+ /**
+ * This main-function has the only purpose to create an instance
+ * of the class and to get all the things going.
+ * I.e. the operations of the class are called to produce
+ * the output of the HTML-file.
+ * The name "main" is no keyword for php. It is just used to
+ * indicate that function as the central starting point.
+ * To make it simpler this is a static function. That is you can simply
+ * call it without first creating an instance of the class.
+ * @return void
+ */
+ public static function main():void
+ {
+ try {
+ $page = new Baecker();
+ $page->processReceivedData();
+ $page->generateView();
+ } catch (Exception $e) {
+ //header("Content-type: text/plain; charset=UTF-8");
+ header("Content-type: text/html; charset=UTF-8");
+ echo $e->getMessage();
+ }
+ }
+}
+
+// This call is starting the creation of the page.
+// That is input is processed and output is created.
+Baecker::main();
+
+// Zend standard does not like closing php-tag!
+// PHP doesn't require the closing tag (it is assumed when the file ends).
+// Not specifying the closing ? > helps to prevent accidents
+// like additional whitespace which will cause session
+// initialization to fail ("headers already sent").
+//? >
diff --git a/src/Praktikum/Prak5/Bestellung.php b/src/Praktikum/Prak5/Bestellung.php
new file mode 100644
index 0000000000000000000000000000000000000000..34d4745eb7e9c3dc789c104e5516bf04012c70e2
--- /dev/null
+++ b/src/Praktikum/Prak5/Bestellung.php
@@ -0,0 +1,213 @@
+<?php /** @noinspection PhpMultipleClassDeclarationsInspection */
+declare(strict_types=1);
+// UTF-8 marker äöüÄÖÜ߀
+/**
+ * Class Bestellung for the exercises of the EWA lecture
+ * Demonstrates use of PHP including class and OO.
+ * Implements Zend coding standards.
+ * Generate documentation with Doxygen or phpdoc
+ *
+ * PHP Version 7.4
+ *
+ * @file Bestellung.php
+ * @package Page Templates
+ * @author Bernhard Kreling, <bernhard.kreling@h-da.de>
+ * @author Ralf Hahn, <ralf.hahn@h-da.de>
+ * @version 3.1
+ */
+
+require_once './Page.php';
+require_once './DB_Classes/Article.php';
+
+/**
+ * This is a template for top level classes, which represent
+ * a complete web page and which are called directly by the user.
+ * Usually there will only be a single instance of such a class.
+ * The name of the template is supposed
+ * to be replaced by the name of the specific HTML page e.g. baker.
+ * The order of methods might correspond to the order of thinking
+ * during implementation.
+ * @author Bernhard Kreling, <bernhard.kreling@h-da.de>
+ * @author Ralf Hahn, <ralf.hahn@h-da.de>
+ */
+class Bestellung extends Page
+{
+ /**
+ * Instantiates members (to be defined above).
+ * Calls the constructor of the parent i.e. page class.
+ * So, the database connection is established.
+ * @throws Exception
+ */
+ protected function __construct()
+ {
+ parent::__construct();
+ }
+
+ /**
+ * Cleans up whatever is needed.
+ * Calls the destructor of the parent i.e. page class.
+ * So, the database connection is closed.
+ */
+ public function __destruct()
+ {
+ parent::__destruct();
+ }
+
+ /**
+ * Fetch all data that is necessary for later output.
+ * Data is returned in an array e.g. as associative array.
+ * @return array An array containing the requested data.
+ * This may be a normal array, an empty array or an associative array.
+ */
+ protected function getViewData(): array
+ {
+ // to do: fetch data for this view from the database
+ $query = "SELECT * FROM article;";
+ $resultSet = $this->_database->query($query);
+ $pizzaList = array();
+
+
+ while ($row = $resultSet->fetch_assoc()) {
+
+ $pizza = new Article((int)$row["article_id"], $row["name"], $row["picture"], (float)$row["price"]);
+
+ $pizzaList[$pizza->getName()] = $pizza;
+ }
+ $resultSet->free_result();
+ return $pizzaList;
+ }
+
+ /**
+ * First the required data is fetched and then the HTML is
+ * assembled for output. i.e. the header is generated, the content
+ * of the page ("view") is inserted and -if available- the content of
+ * all views contained is generated.
+ * Finally, the footer is added.
+ * @return void
+ */
+ protected function generateView(): void
+ {
+ $data = $this->getViewData(); //NOSONAR ignore unused $data
+ $this->generatePageHeader('Bestellung', './JS/BestellScript.js', false);
+
+ echo <<< HTML
+
+ <section id="bestellungSection">
+ <h1 id="bestellungTitle">Bestellung</h1>
+ <hr>
+ <section id="speisekarteSection">
+ <h2>Speisekarte</h2>
+ HTML;
+
+ foreach ($data as $pizza) {
+ echo <<< HTML
+ <label>
+ <img class="pizzaImage" alt="Image of Pizza {$pizza->getName()}" src="{$pizza->getPicture()}" data-articleID="{$pizza->getArticleId()}" data-name="{$pizza->getName()}" data-price="{$pizza->getPrice()}" onclick="addItem(this);">
+ <br>
+ {$pizza->getName()}<br>
+ {$pizza->getPrice()}€
+ </label>
+ <br>
+ HTML;
+ }
+
+ echo <<< HTML
+ <script>getElements();</script>
+ </section>
+ <hr>
+ <section id="warenkorbSection">
+ <h2>Warenkorb</h2>
+ <form accept-charset="UTF-8" action="#" method="post">
+ <label for="warenkorb"></label>
+ <select id="warenkorb" multiple name="Pizza[]">
+ </select>
+
+ <p id="sum"></p>
+
+ <label for="address"></label>
+ <input id="address" name="Adresse" placeholder="Ihre Adresse" type="text" required><br>
+ <input type="button" value="Alles Löschen" onclick="removeAll();">
+ <input type="button" value="Auswahl Löschen" onclick="removeItem();">
+ <input id="submitButton" type="submit" name="save" value="Bestellen" onclick="selectOrder();">
+ </form>
+ </section>
+ </section>
+ HTML;
+
+
+ $this->generatePageFooter();
+ }
+
+ /**
+ * Processes the data that comes via GET or POST.
+ * If this page is supposed to do something with submitted
+ * data do it here.
+ * @return void
+ */
+ protected function processReceivedData(): void
+ {
+ parent::processReceivedData();
+
+ if (isset($_POST["Pizza"]) && isset($_POST["Adresse"])) {
+ $pizzas = $_POST["Pizza"];
+ $rawAddress = $_POST["Adresse"];
+ $address = $this->_database->real_escape_string($rawAddress);
+
+ $orderingQuery = "INSERT INTO ordering (ordering.address) VALUES ('$address');";
+ $this->_database->query($orderingQuery);
+ $orderingID = mysqli_insert_id($this->_database);
+
+ if(!isset($_SESSION["orders"])) {
+ $_SESSION["orders"] = array();
+ }
+
+ $orders = $_SESSION["orders"];
+ $orders[] = $orderingID;
+ $orders = array_unique($orders);
+ $_SESSION["orders"] = $orders;
+
+ foreach ($pizzas as $articleId) {
+ $safeArticleId = $this->_database->real_escape_string("$articleId");
+ $orderedArticleQuery = "INSERT INTO ordered_article(ordering_id, article_id)
+ VALUES ($orderingID, $safeArticleId);";
+ $this->_database->query($orderedArticleQuery);
+ }
+ }
+
+ // On Post => Reload
+ if (isset($_POST["save"])) {
+ header("HTTP/1.1 303 See Other");
+ header('Location: ./Kunde.php');
+ die;
+ }
+ }
+
+ /**
+ * This main-function has the only purpose to create an instance
+ * of the class and to get all the things going.
+ * I.e. the operations of the class are called to produce
+ * the output of the HTML-file.
+ * The name "main" is no keyword for php. It is just used to
+ * indicate that function as the central starting point.
+ * To make it simpler this is a static function. That is you can simply
+ * call it without first creating an instance of the class.
+ * @return void
+ */
+ public static function main(): void
+ {
+ session_start();
+ try {
+ $page = new Bestellung();
+ $page->processReceivedData();
+ $page->generateView();
+ } catch (Exception $e) {
+ //header("Content-type: text/plain; charset=UTF-8");
+ header("Content-type: text/html; charset=UTF-8");
+ echo $e->getMessage();
+ }
+ }
+}
+
+// This call is starting the creation of the page.
+// That is input is processed and output is created.
+Bestellung::main();
diff --git a/src/Praktikum/Prak5/CSS/file.css b/src/Praktikum/Prak5/CSS/file.css
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/src/Praktikum/Prak5/DB_Classes/Article.php b/src/Praktikum/Prak5/DB_Classes/Article.php
new file mode 100644
index 0000000000000000000000000000000000000000..8c18b60d8d43c0b86d0c78cbf17e105d7d0f99a7
--- /dev/null
+++ b/src/Praktikum/Prak5/DB_Classes/Article.php
@@ -0,0 +1,39 @@
+<?php declare(strict_types=1);
+
+class Article
+{
+ private int $article_id;
+ private string $name;
+ private string $picture;
+ private float $price;
+
+ public function getArticleId(): int
+ {
+ return $this->article_id;
+ }
+
+ public function getName(): string
+ {
+ return $this->name;
+ }
+
+ public function getPicture(): string
+ {
+ return $this->picture;
+ }
+
+ public function getPrice(): float
+ {
+ return $this->price;
+ }
+
+
+ public function __construct(int $article_id = 0, string $name="", string $picture = "", float $price = 0.0)
+ {
+ $this->name = $name;
+ $this->article_id = $article_id;
+ $this->picture = $picture;
+ $this->price = $price;
+ }
+
+}
diff --git a/src/Praktikum/Prak5/DB_Classes/FahrerData.php b/src/Praktikum/Prak5/DB_Classes/FahrerData.php
new file mode 100644
index 0000000000000000000000000000000000000000..abbae1298828b147adffb5f046b7fdb3d32e5fd7
--- /dev/null
+++ b/src/Praktikum/Prak5/DB_Classes/FahrerData.php
@@ -0,0 +1,46 @@
+<?php
+
+class FahrerData
+{
+ private int $orderingId;
+ private int $orderedArticleId ;
+ private string $address;
+ private int $status;
+
+
+ /**
+ * @param int $orderingId
+ * @param int $orderedArticleId
+ * @param string $address
+ * @param int $status
+ * @param string $ordering_time
+ */
+ public function __construct(int $orderingId, int $orderedArticleId, string $address, int $status)
+ {
+ $this->orderingId = $orderingId;
+ $this->orderedArticleId = $orderedArticleId;
+ $this->address = $address;
+ $this->status = $status;
+ }
+
+ public function getOrderingId(): int
+ {
+ return $this->orderingId;
+ }
+
+ public function getOrderedArticleId(): int
+ {
+ return $this->orderedArticleId;
+ }
+
+ public function getAddress(): string
+ {
+ return $this->address;
+ }
+
+ public function getStatus(): int
+ {
+ return $this->status;
+ }
+
+}
diff --git a/src/Praktikum/Prak5/DB_Classes/OrderedArticle.php b/src/Praktikum/Prak5/DB_Classes/OrderedArticle.php
new file mode 100644
index 0000000000000000000000000000000000000000..546ff3aa261bd92481501eaeba50917eaaf9b6d9
--- /dev/null
+++ b/src/Praktikum/Prak5/DB_Classes/OrderedArticle.php
@@ -0,0 +1,57 @@
+<?php declare(strict_types=1);
+require_once './DB_Classes/Article.php';
+class OrderedArticle
+{
+ private int $ordered_article_id;
+ private int $ordering_id;
+ private int $article_id;
+ private int $status;
+ private Article $article;
+
+ public function getArticle(): Article
+ {
+ return $this->article;
+ }
+
+ public function setArticle(Article $article): void
+ {
+ $this->article = $article;
+ }
+
+ public function getOrderedArticleId(): int
+ {
+ return $this->ordered_article_id;
+ }
+
+ public function getOrderingId(): int
+ {
+ return $this->ordering_id;
+ }
+
+ public function getArticleId(): int
+ {
+ return $this->article_id;
+ }
+
+ public function getStatus(): int
+ {
+ return $this->status;
+ }
+
+
+ /**
+ * @param int $ordered_article_id
+ * @param int $ordering_id
+ * @param int $article_id
+ * @param int $status
+ */
+
+ public function __construct(int $ordered_article_id=0, int $ordering_id=0, int $article_id=0, int $status=0)
+ {
+ $this->ordered_article_id = $ordered_article_id;
+ $this->ordering_id = $ordering_id;
+ $this->article_id = $article_id;
+ $this->status = $status;
+ }
+
+}
diff --git a/src/Praktikum/Prak5/DB_Classes/Ordering.php b/src/Praktikum/Prak5/DB_Classes/Ordering.php
new file mode 100644
index 0000000000000000000000000000000000000000..7b27ca3a897e19ed9b8ef67aa882a0e08b39ae86
--- /dev/null
+++ b/src/Praktikum/Prak5/DB_Classes/Ordering.php
@@ -0,0 +1,72 @@
+<?php declare(strict_types=1);
+
+class Ordering
+{
+ private int $ordering_id;
+ private string $address;
+ private string $ordering_time;
+ private array $orderList;
+
+ public function getOrderList(): array
+ {
+ return $this->orderList;
+ }
+
+ public function setOrderList(array $orderList) : void
+ {
+ $this->orderList = $orderList;
+ }
+
+ public function addItem(OrderedArticle $article) : void
+ {
+ $this->orderList[] = $article;
+ }
+
+ public function getMinStatus() : int
+ {
+ $valueArray = array();
+ foreach ($this->orderList as $item) {
+
+ $valueArray[] = $item->getStatus();
+ }
+ return min($valueArray);
+ }
+
+ public function getSum() : float
+ {
+ $valueArray = array();
+ foreach ($this->orderList as $item) {
+
+ $valueArray[] = $item->getArticle()->getPrice();
+ }
+ return array_sum($valueArray);
+ }
+
+ /**
+ * @param int $ordering_id
+ * @param string $address
+ * @param string $ordering_time
+ */
+ public function __construct(int $ordering_id=0, string $address="", string $ordering_time="")
+ {
+ $this->ordering_id = $ordering_id;
+ $this->address = $address;
+ $this->ordering_time = $ordering_time;
+ }
+
+ public function getOrderingId(): int
+ {
+ return $this->ordering_id;
+ }
+
+ public function getAddress(): string
+ {
+ return $this->address;
+ }
+
+ public function getOrderingtime(): string
+ {
+ return $this->ordering_time;
+ }
+
+}
diff --git a/src/Praktikum/Prak5/Fahrer.php b/src/Praktikum/Prak5/Fahrer.php
new file mode 100644
index 0000000000000000000000000000000000000000..6731a367805d99db417381a6595fcfa00cd41752
--- /dev/null
+++ b/src/Praktikum/Prak5/Fahrer.php
@@ -0,0 +1,237 @@
+<?php declare(strict_types=1);
+// UTF-8 marker äöüÄÖÜ߀
+/**
+ * Class fahrer for the exercises of the EWA lecture
+ * Demonstrates use of PHP including class and OO.
+ * Implements Zend coding standards.
+ * Generate documentation with Doxygen or phpdoc
+ *
+ * PHP Version 7.4
+ *
+ * @file fahrer.php
+ * @package Page Templates
+ * @author Bernhard Kreling, <bernhard.kreling@h-da.de>
+ * @author Ralf Hahn, <ralf.hahn@h-da.de>
+ * @version 3.1
+ */
+
+// to do: change name 'fahrer' throughout this file
+require_once './Page.php';
+require_once './DB_Classes/Ordering.php';
+require_once './DB_Classes/OrderedArticle.php';
+/**
+ * This is a template for top level classes, which represent
+ * a complete web page and which are called directly by the user.
+ * Usually there will only be a single instance of such a class.
+ * The name of the template is supposed
+ * to be replaced by the name of the specific HTML page e.g. baker.
+ * The order of methods might correspond to the order of thinking
+ * during implementation.
+ * @author Bernhard Kreling, <bernhard.kreling@h-da.de>
+ * @author Ralf Hahn, <ralf.hahn@h-da.de>
+ */
+class Fahrer extends Page
+{
+ // to do: declare reference variables for members
+ // representing substructures/blocks
+
+ /**
+ * Instantiates members (to be defined above).
+ * Calls the constructor of the parent i.e. page class.
+ * So, the database connection is established.
+ * @throws Exception
+ */
+ protected function __construct()
+ {
+ parent::__construct();
+ // to do: instantiate members representing substructures/blocks
+ }
+
+ /**
+ * Cleans up whatever is needed.
+ * Calls the destructor of the parent i.e. page class.
+ * So, the database connection is closed.
+ */
+ public function __destruct()
+ {
+ parent::__destruct();
+ }
+
+ /**
+ * Fetch all data that is necessary for later output.
+ * Data is returned in an array e.g. as associative array.
+ * @return array An array containing the requested data.
+ * This may be a normal array, an empty array or an associative array.
+ */
+
+ protected function getViewData():array
+ {
+ $query = "SELECT ordering.ordering_id, address, ordered_article_id, ordered_article.article_id, status, price
+ FROM ordering, ordered_article, article WHERE
+ ordering.ordering_id = ordered_article.ordering_id AND ordered_article.article_id = article.article_id;";
+ $resultSet = $this->_database->query($query);
+
+ $orderings = array();
+ while ($row = $resultSet->fetch_assoc()) {
+
+ $currentOrderingId = $row["ordering_id"];
+ if (!isset($orderings[$currentOrderingId])) {
+
+ $orderings[$currentOrderingId] = new Ordering((int)$currentOrderingId, (string)$row["address"]);
+ }
+
+ $tempItem = new OrderedArticle(
+ (int)$row["ordered_article_id"], (int)$currentOrderingId, (int)$row["article_id"], (int)$row["status"]
+ );
+
+ $orderings[$currentOrderingId]->addItem($tempItem);
+ $tempItem->setArticle(new Article((int)$row["article_id"],"","",(float)$row["price"]));
+ }
+
+ $resultSet->free_result();
+ return $orderings;
+ }
+
+
+ /**
+ * First the required data is fetched and then the HTML is
+ * assembled for output. i.e. the header is generated, the content
+ * of the page ("view") is inserted and -if available- the content of
+ * all views contained is generated.
+ * Finally, the footer is added.
+ * @return void
+ */
+ protected function generateView():void
+ {
+ $data = $this->getViewData();
+ $this->generatePageHeader('Fahrer', "", true);
+
+ echo <<< HTML
+ <section id="Fahrer">
+ <h2>Lieferliste</h2>
+
+ <form id="formFahrer" accept-charset="UTF-8" action="#" method="post">
+HTML;
+
+ $noDeliveries = true;
+ $i = 0;
+ foreach ($data as $order) {
+ $status = $order->getMinStatus();
+ if ($status < 2 || $status >= 4) {
+ continue;
+ } else {
+ $noDeliveries = false;
+ }
+
+ $statusArray = array_fill(0, 5, "");
+ $statusArray[$status] = "checked";
+
+ $address = htmlspecialchars( $order->getAddress() );
+ echo <<< HTML
+ \n<fieldset>
+ <legend accessKey="{$i}">Bestellung {$order->getOrderingId()}</legend>
+
+ <p>{$address}</p>
+ <p>Gesamtkosten: {$order->getSum()}€</p>
+
+ <label>
+ <input type="radio" name="{$order->getOrderingId()}" value="2" {$statusArray[2]} onclick="document.forms['formFahrer'].submit();">
+ Fertig
+ </label>
+
+ <label>
+ <input type="radio" name="{$order->getOrderingId()}" value="3" {$statusArray[3]} onclick="document.forms['formFahrer'].submit();">
+ Untwerwegs
+ </label>
+
+ <label>
+ <input type="radio" name="{$order->getOrderingId()}" value="4" {$statusArray[4]} onclick="document.forms['formFahrer'].submit();">
+ Geliefert
+ </label>
+ </fieldset>\n
+HTML;
+ $i++;
+ }
+
+ if ($noDeliveries) {
+
+ echo <<< HTML
+ \n<p>Es gibt keine fertigen Bestellungen</p>
+HTML;
+ }
+
+
+
+ echo <<< HTML
+ </form>
+ </section>
+HTML;
+ $this->generatePageFooter();
+ }
+
+ /**
+ * Processes the data that comes via GET or POST.
+ * If this page is supposed to do something with submitted
+ * data do it here.
+ * @return void
+ */
+ protected function processReceivedData():void
+ {
+ parent::processReceivedData();
+ $data = $this->getViewData();
+
+ foreach ($data as $order) {
+ $orderingId = $order->getOrderingId();
+
+ if (isset($_POST["{$orderingId}"]) && is_numeric($_POST["{$orderingId}"])) {
+ $status = $this->_database->real_escape_string($_POST["{$orderingId}"]);
+
+ $query = "UPDATE ordered_article SET status = {$status}
+ WHERE ordered_article.ordering_id = {$orderingId}";
+ $this->_database->query($query);
+ }
+ }
+
+ // On Post => Reload
+ if (isset($_POST["save"])) {
+ header("HTTP/1.1 303 See Other");
+ header('Location: ' . $_SERVER['REQUEST_URI']);
+ die;
+ }
+ }
+
+ /**
+ * This main-function has the only purpose to create an instance
+ * of the class and to get all the things going.
+ * I.e. the operations of the class are called to produces
+ * the output of the HTML-file.
+ * The name "main" is no keyword for php. It is just used to
+ * indicate that function as the central starting point.
+ * To make it simpler this is a static function. That is you can simply
+ * call it without first creating an instance of the class.
+ * @return void
+ */
+ public static function main():void
+ {
+ try {
+ $page = new Fahrer();
+ $page->processReceivedData();
+ $page->generateView();
+ } catch (Exception $e) {
+ //header("Content-type: text/plain; charset=UTF-8");
+ header("Content-type: text/html; charset=UTF-8");
+ echo $e->getMessage();
+ }
+ }
+}
+
+// This call is starting the creation of the page.
+// That is input is processed and output is created.
+Fahrer::main();
+
+// Zend standard does not like closing php-tag!
+// PHP doesn't require the closing tag (it is assumed when the file ends).
+// Not specifying the closing ? > helps to prevent accidents
+// like additional whitespace which will cause session
+// initialization to fail ("headers already sent").
+//? >
diff --git a/src/Praktikum/Prak5/JS/BestellScript.js b/src/Praktikum/Prak5/JS/BestellScript.js
new file mode 100644
index 0000000000000000000000000000000000000000..36a827ed781244c72ea92649afd78ed217129f8d
--- /dev/null
+++ b/src/Praktikum/Prak5/JS/BestellScript.js
@@ -0,0 +1,84 @@
+let pizzaPriceMap = new Map();
+function getElements() {
+ "use strict";
+ let pizzaImages = document.getElementsByClassName("pizzaImage");
+ for (let item of pizzaImages) {
+ pizzaPriceMap.set(
+ item.getAttribute("data-articleID"),
+ item.getAttribute("data-price")
+ );
+ }
+}
+
+function addItem(pizza) {
+ "use strict";
+ let articleID = pizza.getAttribute("data-articleID");
+ let name = pizza.getAttribute("data-name");
+ let select = document.getElementById("warenkorb");
+ let newOption = document.createElement("option");
+ newOption.text = name;
+ newOption.value = articleID;
+ select.add(newOption);
+ calculateSum();
+ checkInputs();
+}
+
+function calculateSum() {
+ "use strict";
+ let select = document.getElementById("warenkorb");
+ let price = 0;
+ for (let item of select.options) {
+ price += parseFloat(pizzaPriceMap.get(item.value));
+ }
+ document.getElementById("sum").innerText = price.toFixed(2) + " €";
+}
+
+function removeItem() {
+ "use strict";
+ let select = document.getElementById("warenkorb");
+ select.remove(select.selectedIndex);
+ calculateSum();
+ checkInputs();
+}
+
+function removeAll() {
+ "use strict";
+ let select = document.getElementById("warenkorb");
+ select.options.length = 0;
+ calculateSum();
+ checkInputs();
+}
+
+function selectOrder() {
+ "use strict";
+ let select = document.getElementById("warenkorb");
+ for (let option of select.options) {
+ option.selected = true;
+ }
+}
+
+function checkInputs() {
+ "use strict";
+ const selectInput = document.getElementById("warenkorb");
+ const address = document.getElementById("address");
+ const button = document.getElementById("submitButton");
+
+ // Check conditions
+ const selectHasOptions = selectInput.options.length > 0;
+ const addressHasValue = address.value.trim() !== "";
+
+ // Enable or disable the button
+ button.disabled = !(selectHasOptions && addressHasValue);
+}
+
+//--- LISTENERS
+
+window.onload = function init() {
+ "use strict";
+ document.getElementById("address").addEventListener("input", checkInputs);
+};
+
+document.addEventListener(
+ "DOMContentLoaded",
+ checkInputs
+); // Check on page load
diff --git a/src/Praktikum/Prak5/JS/DEPRECATED/OrderData.js b/src/Praktikum/Prak5/JS/DEPRECATED/OrderData.js
new file mode 100644
index 0000000000000000000000000000000000000000..a8a8b68c1e82f470e8e51b1144033eadc81c496e
--- /dev/null
+++ b/src/Praktikum/Prak5/JS/DEPRECATED/OrderData.js
@@ -0,0 +1,59 @@
+class OrderData {
+
+ constructor(orderingID, address, pizzaObj) {
+
+ this.orderingID = orderingID;
+ this.address = address;
+ this.pizzaObj = pizzaObj;
+ this.buildOrder();
+
+ }
+
+
+ buildOrder() {
+
+ let orderMainNode = document.createElement("fieldset");
+ orderMainNode.id = this.orderingID;
+
+ let orderLegend = document.createElement("legend");
+ orderLegend.id = this.orderingID + ".legend";
+
+ orderMainNode.append(orderLegend);
+
+ this.buildPizza(orderMainNode)
+ }
+
+ buildPizza(orderMainNode) {
+ let pizzaList = this.pizzaObj.pizzaList;
+ for (let pizza of pizzaList) {
+ let pizzaName = pizza.name;
+ let orderedArticleID = pizza.orderedArticleID;
+ let pizzaStatus = pizza.status;
+ let pizzaNode = document.createElement("fieldset");
+ let pizzaLegend = document.createElement("legend");
+ pizzaNode.id = "pizzaNode." + orderedArticleID;
+ pizzaLegend.innerText = "Pizza " + pizzaName;
+ pizzaNode.append(pizzaLegend);
+ this.buildInputs(pizzaNode, orderedArticleID, pizzaStatus);
+ orderMainNode.append(pizzaNode);
+ }
+ }
+
+ buildInputs(pizzaNode, orderedArticleID, status) {
+ let statusArray = ["Bestellt", "Im Ofen", "Fertig", "Unterwegs", "Geliefert"];
+ for (let value = 0; value < 5; value++) {
+ let inputLabel = document.createElement("label");
+ pizzaNode.append(inputLabel);
+ inputLabel.innerText = statusArray[value];
+ let inputRadio = document.createElement("input");
+ inputLabel.append(inputRadio);
+ inputRadio.type = "radio";
+ inputRadio.name = orderedArticleID;
+ inputRadio.value = value.toString();
+ inputRadio.disabled = true;
+ if (value === status) {
+ inputRadio.checked = true;
+ }
+ }
+ }
+}
diff --git a/src/Praktikum/Prak5/JS/Kunde.js b/src/Praktikum/Prak5/JS/Kunde.js
new file mode 100644
index 0000000000000000000000000000000000000000..4421843cec117177f63aef923c9f431d3bbc2af5
--- /dev/null
+++ b/src/Praktikum/Prak5/JS/Kunde.js
@@ -0,0 +1,149 @@
+function loadData() {
+ "use strict";
+ var url = "./Kundenstatus.php";
+ var request = new XMLHttpRequest();
+
+ request.open("GET", url, true);
+
+ request.onload = function () {
+
+ if (request.readyState === 4 &&
+ request.status >= 200 &&
+ request.status < 300) {
+
+ if (request.responseText != null) {
+
+ var responseData = JSON.parse(request.responseText);
+ console.log(responseData);
+ process(responseData);
+ } else {
+ console.error ("Dokument ist leer");
+ }
+ } else {
+ console.error("Statuscode: " + request.status);
+ }
+ };
+
+ request.onerror = function () {
+ "use strict";
+ console.error("Netzwerkfehler");
+ };
+
+ //request.onreadystatechange = processData;
+
+ request.send();
+}
+
+const newScript = document.createElement("script");
+newScript.src = "./JS/OrderData.js";
+newScript.type = "module";
+document.getElementsByTagName("body")[0].prepend(newScript);
+
+
+function process(data) {
+
+ "use strict";
+
+ const orderForm = document.getElementById("orderForm");
+ if (orderForm != null) {
+
+ while (orderForm.lastElementChild) {
+ orderForm.removeChild(orderForm.lastElementChild);
+ }
+
+
+ for (let [orderingID, order] of Object.entries(data)) {
+
+ let pizzaObj = {
+ pizzaList: []
+ };
+
+ //orderForm.append(testBuildOrder(orderingID));
+
+ let orderList = order["OrderList"]
+ for (let [orderedArticleID, pizza] of Object.entries(orderList)) {
+
+ let name = pizza["Name"];
+ let price = parseFloat(pizza["Price"]);
+ let status = parseInt(pizza["Status"]);
+
+ let newPizza = {
+ orderedArticleID: orderedArticleID,
+ name: name,
+ price: price,
+ status: status
+ };
+ pizzaObj.pizzaList.push(newPizza);
+ }
+ buildOrder(orderForm, orderingID, pizzaObj);
+ }
+
+ }
+}
+
+
+window.onload = function () {
+
+ "use strict";
+ loadData();
+}
+
+window.setInterval (loadData, 2000);
+
+
+
+function buildOrder(parentNode, id, pizzaObj) {
+ "use strict";
+ let orderMainNode = document.createElement("fieldset");
+ orderMainNode.id = id;
+
+ let orderLegend = document.createElement("legend");
+ orderLegend.id = id + ".legend";
+ orderLegend.innerText = "Bestellung " + id;
+
+ orderMainNode.append(orderLegend);
+ buildPizza(orderMainNode, pizzaObj);
+
+ parentNode.append(orderMainNode);
+}
+
+function buildPizza(orderMainNode, pizzaObj) {
+ "use strict";
+ let pizzaList = pizzaObj.pizzaList;
+ for (let pizza of pizzaList) {
+
+ let pizzaName = pizza.name;
+ let orderedArticleID = pizza.orderedArticleID;
+ let pizzaStatus = pizza.status;
+
+ let pizzaNode = document.createElement("fieldset");
+ let pizzaLegend = document.createElement("legend");
+ pizzaNode.id = "pizzaNode." + orderedArticleID;
+ pizzaLegend.innerText = "Pizza " + pizzaName;
+ pizzaNode.append(pizzaLegend);
+ buildInputs(pizzaNode, orderedArticleID, pizzaStatus);
+ orderMainNode.append(pizzaNode);
+ }
+}
+
+function buildInputs(pizzaNode, orderedArticleID, status) {
+ "use strict";
+ let statusArray = [
+ "Bestellt", "Im Ofen", "Fertig",
+ "Unterwegs", "Geliefert"
+ ];
+ for (let value = 0; value < 5; value++) {
+ let inputLabel = document.createElement("label");
+ pizzaNode.append(inputLabel);
+ inputLabel.innerText = statusArray[value];
+ let inputRadio = document.createElement("input");
+ inputLabel.append(inputRadio);
+ inputRadio.type = "radio";
+ inputRadio.name = orderedArticleID;
+ inputRadio.value = value.toString();
+ inputRadio.disabled = true;
+ if (value === status) {
+ inputRadio.checked = true;
+ }
+ }
+}
diff --git a/src/Praktikum/Prak5/Kunde.php b/src/Praktikum/Prak5/Kunde.php
new file mode 100644
index 0000000000000000000000000000000000000000..31570b23b1dc9115d98403e2c21292c8196474b9
--- /dev/null
+++ b/src/Praktikum/Prak5/Kunde.php
@@ -0,0 +1,211 @@
+<?php declare(strict_types=1);
+// UTF-8 marker äöüÄÖÜ߀
+/**
+ * Class kunde for the exercises of the EWA lecture
+ * Demonstrates use of PHP including class and OO.
+ * Implements Zend coding standards.
+ * Generate documentation with Doxygen or phpdoc
+ *
+ * PHP Version 7.4
+ *
+ * @file kunde.php
+ * @package Page Templates
+ * @author Bernhard Kreling, <bernhard.kreling@h-da.de>
+ * @author Ralf Hahn, <ralf.hahn@h-da.de>
+ * @version 3.1
+ */
+
+// to do: change name 'kunde' throughout this file
+require_once './Page.php';
+require_once './DB_Classes/OrderedArticle.php';
+/**
+ * This is a template for top level classes, which represent
+ * a complete web page and which are called directly by the user.
+ * Usually there will only be a single instance of such a class.
+ * The name of the template is supposed
+ * to be replaced by the name of the specific HTML page e.g. baker.
+ * The order of methods might correspond to the order of thinking
+ * during implementation.
+ * @author Bernhard Kreling, <bernhard.kreling@h-da.de>
+ * @author Ralf Hahn, <ralf.hahn@h-da.de>
+ */
+class Kunde extends Page
+{
+ // to do: declare reference variables for members
+ // representing substructures/blocks
+
+ /**
+ * Instantiates members (to be defined above).
+ * Calls the constructor of the parent i.e. page class.
+ * So, the database connection is established.
+ * @throws Exception
+ */
+ protected function __construct()
+ {
+ parent::__construct();
+ // to do: instantiate members representing substructures/blocks
+ }
+
+ /**
+ * Cleans up whatever is needed.
+ * Calls the destructor of the parent i.e. page class.
+ * So, the database connection is closed.
+ */
+ public function __destruct()
+ {
+ parent::__destruct();
+ }
+
+ /**
+ * Fetch all data that is necessary for later output.
+ * Data is returned in an array e.g. as associative array.
+ * @return array An array containing the requested data.
+ * This may be a normal array, an empty array or an associative array.
+ */
+ protected function getViewData():array
+ {
+
+ if (isset($_SESSION["orders"])) {
+
+ $orders = $_SESSION["orders"];
+ $queryString = "";
+
+ foreach ($orders as $orderingID) {
+ $queryString .= $orderingID.", ";
+ }
+
+ $queryString = rtrim($queryString, ", ");
+ $query = "SELECT * FROM ordered_article WHERE ordering_id IN ({$queryString});";
+
+
+ $resultSet = $this->_database->query($query);
+ $orderedArticleList = array();
+
+ while ($row = $resultSet->fetch_assoc()) {
+
+ $orderedArticle = new OrderedArticle(
+ (int)$row["ordered_article_id"], (int)$row["ordering_id"], (int)$row["article_id"],
+ (int)$row["status"]
+ );
+
+ $orderedArticleList[$orderedArticle->getOrderedArticleId()] = $orderedArticle;
+ }
+ $resultSet->free_result();
+ return $orderedArticleList;
+ }
+
+ return array();
+ }
+
+ /**
+ * First the required data is fetched and then the HTML is
+ * assembled for output. i.e. the header is generated, the content
+ * of the page ("view") is inserted and -if available- the content of
+ * all views contained is generated.
+ * Finally, the footer is added.
+ * @return void
+ */
+ protected function generateView():void
+ {
+ $data = $this->getViewData(); //NOSONAR ignore unused $data
+ $this->generatePageHeader('Kunde','./JS/Kunde.js', false); //to do: set optional parameters
+
+ if (count($data) <= 0) {
+ echo <<< HTML
+ <section id="Kunde">
+ <h2>Kunde</h2>
+ <p>No Orders!</p>
+ </section>
+HTML;
+ $this->generatePageFooter();
+ die();
+ }
+ echo <<< HTML
+ <section id="Kunde">
+ <h2>Kunde</h2>
+ <form id="orderForm" accept-charset="UTF-8" action="#" method="post">\n
+ <fieldset id="bestellung">
+ <legend id="bestellung.legend">Bestellung X</legend>
+ <fieldset id="pizza" disabled>
+ <legend id="pizza.legend">Pizza Y</legend>
+ <label>
+ Bestellt
+ <input type="radio" name="ordArtID" value="0">
+ </label> <br>
+
+ <label>
+ Im Ofen
+ <input type="radio" name="ordArtID" value="1">
+ </label> <br>
+
+ <label>
+ Fertig
+ <input type="radio" name="ordArtID" value="2">
+ </label> <br>
+
+ <label>
+ Unterwegs
+ <input type="radio" name="ordArtID" value="3">
+ </label> <br>
+
+ <label>
+ Geliefert
+ <input type="radio" name="ordArtID" value="4">
+ </label>
+ </fieldset>\n
+ </fieldset>\n
+ </form>\n
+ </section>\n
+HTML;
+
+ $this->generatePageFooter();
+ }
+
+ /**
+ * Processes the data that comes via GET or POST.
+ * If this page is supposed to do something with submitted
+ * data do it here.
+ * @return void
+ */
+ protected function processReceivedData():void
+ {
+ parent::processReceivedData();
+ // to do: call processReceivedData() for all members
+ }
+
+ /**
+ * This main-function has the only purpose to create an instance
+ * of the class and to get all the things going.
+ * I.e. the operations of the class are called to produce
+ * the output of the HTML-file.
+ * The name "main" is no keyword for php. It is just used to
+ * indicate that function as the central starting point.
+ * To make it simpler this is a static function. That is you can simply
+ * call it without first creating an instance of the class.
+ * @return void
+ */
+ public static function main():void
+ {
+ session_start();
+ try {
+ $page = new Kunde();
+ $page->processReceivedData();
+ $page->generateView();
+ } catch (Exception $e) {
+ //header("Content-type: text/plain; charset=UTF-8");
+ header("Content-type: text/html; charset=UTF-8");
+ echo $e->getMessage();
+ }
+ }
+}
+
+// This call is starting the creation of the page.
+// That is input is processed and output is created.
+Kunde::main();
+
+// Zend standard does not like closing php-tag!
+// PHP doesn't require the closing tag (it is assumed when the file ends).
+// Not specifying the closing ? > helps to prevent accidents
+// like additional whitespace which will cause session
+// initialization to fail ("headers already sent").
+//? >
diff --git a/src/Praktikum/Prak5/Kundenstatus.php b/src/Praktikum/Prak5/Kundenstatus.php
new file mode 100644
index 0000000000000000000000000000000000000000..743f34fb91eac9470d83771d74cf1b2bfd2b75b7
--- /dev/null
+++ b/src/Praktikum/Prak5/Kundenstatus.php
@@ -0,0 +1,174 @@
+<?php declare(strict_types=1);
+// UTF-8 marker äöüÄÖÜ߀
+/**
+ * Class PageTemplate for the exercises of the EWA lecture
+ * Demonstrates use of PHP including class and OO.
+ * Implements Zend coding standards.
+ * Generate documentation with Doxygen or phpdoc
+ *
+ * PHP Version 7.4
+ *
+ * @file Kundenstatus.php
+ * @package Page Templates
+ * @author Bernhard Kreling, <bernhard.kreling@h-da.de>
+ * @author Ralf Hahn, <ralf.hahn@h-da.de>
+ * @version 3.1
+ */
+
+// to do: change name 'PageTemplate' throughout this file
+require_once './Page.php';
+/**
+ * This is a template for top level classes, which represent
+ * a complete web page and which are called directly by the user.
+ * Usually there will only be a single instance of such a class.
+ * The name of the template is supposed
+ * to be replaced by the name of the specific HTML page e.g. baker.
+ * The order of methods might correspond to the order of thinking
+ * during implementation.
+ * @author Bernhard Kreling, <bernhard.kreling@h-da.de>
+ * @author Ralf Hahn, <ralf.hahn@h-da.de>
+ */
+class Kundenstatus extends Page
+{
+ // to do: declare reference variables for members
+ // representing substructures/blocks
+
+ /**
+ * Instantiates members (to be defined above).
+ * Calls the constructor of the parent i.e. page class.
+ * So, the database connection is established.
+ * @throws Exception
+ */
+ protected function __construct()
+ {
+ parent::__construct();
+ // to do: instantiate members representing substructures/blocks
+ }
+
+ /**
+ * Cleans up whatever is needed.
+ * Calls the destructor of the parent i.e. page class.
+ * So, the database connection is closed.
+ */
+ public function __destruct()
+ {
+ parent::__destruct();
+ }
+
+ /**
+ * Fetch all data that is necessary for later output.
+ * Data is returned in an array e.g. as associative array.
+ * @return array An array containing the requested data.
+ * This may be a normal array, an empty array or an associative array.
+ */
+ protected function getViewData() :array
+ {
+ if (isset($_SESSION["orders"])) {
+
+ $customerOrders = $_SESSION["orders"];
+ $queryString = "";
+
+ foreach ($customerOrders as $orderingID) {
+ $queryString .= $orderingID.", ";
+ }
+
+ $queryString = rtrim($queryString, ", ");
+
+ $query = "SELECT ordering.ordering_id, ordering.address, ordered_article_id, status, name, price
+ FROM ordered_article JOIN ordering ON ordered_article.ordering_id = ordering.ordering_id
+ JOIN article ON ordered_article.article_id = article.article_id
+ AND ordered_article.ordering_id IN ({$queryString});";
+
+ } else {
+
+ $query = "SELECT ordering.ordering_id, ordering.address, ordered_article_id, status, name, price
+ FROM ordered_article JOIN ordering ON ordered_article.ordering_id = ordering.ordering_id
+ JOIN article ON ordered_article.article_id = article.article_id;";
+ }
+
+ $resultSet = $this->_database->query($query);
+
+ if(mysqli_num_rows($resultSet) <= 0){
+ return array();
+ }
+
+ $orders = array();
+ while ($row = $resultSet->fetch_assoc()) {
+
+ if (isset($orders[$row["ordering_id"]])) {
+
+ $presentArray = $orders[$row["ordering_id"]]["OrderList"];
+ $presentArray[] = ["Name" => $row["name"], "Price" => $row["price"], "Status" => $row["status"]];
+ $orders[$row["ordering_id"]] = [ "Address" => $row["address"], "OrderList" => $presentArray];
+
+ } else {
+
+ $orders[$row["ordering_id"]] = [ "Address" => $row["address"], "OrderList" => [
+ $row["ordered_article_id"] =>
+ ["Name" => $row["name"], "Price" => $row["price"], "Status" => $row["status"]]
+ ]];
+ }
+ }
+ $resultSet->free_result();
+
+ return $orders;
+ }
+
+ /**
+ * First the required data is fetched and then the HTML is
+ * assembled for output. i.e. the header is generated, the content
+ * of the page ("view") is inserted and -if available- the content of
+ * all views contained is generated.
+ * Finally, the footer is added.
+ * @return void
+ */
+ protected function generateView():void
+ {
+ header("Content-Type: application/json; charset=UTF-8");
+
+ $data = $this->getViewData(); //NOSONAR ignore unused $data
+ $serializedData = json_encode($data);
+ echo $serializedData;
+ }
+
+ protected function processReceivedData():void
+ {
+ parent::processReceivedData();
+ }
+
+ /**
+ * This main-function has the only purpose to create an instance
+ * of the class and to get all the things going.
+ * I.e. the operations of the class are called to produce
+ * the output of the HTML-file.
+ * The name "main" is no keyword for php. It is just used to
+ * indicate that function as the central starting point.
+ * To make it simpler this is a static function. That is you can simply
+ * call it without first creating an instance of the class.
+ * @return void
+ */
+ public static function main():void
+ {
+ session_start();
+ try {
+ $page = new Kundenstatus();
+ $page->processReceivedData();
+ $page->generateView();
+ } catch (Exception $e) {
+ //header("Content-type: text/plain; charset=UTF-8");
+ header("Content-type: text/html; charset=UTF-8");
+ echo $e->getMessage();
+ }
+ }
+}
+
+// This call is starting the creation of the page.
+// That is input is processed and output is created.
+Kundenstatus::main();
+
+// Zend standard does not like closing php-tag!
+// PHP doesn't require the closing tag (it is assumed when the file ends).
+// Not specifying the closing ? > helps to prevent accidents
+// like additional whitespace which will cause session
+// initialization to fail ("headers already sent").
+//? >
diff --git a/src/Praktikum/Prak5/Page.php b/src/Praktikum/Prak5/Page.php
new file mode 100644
index 0000000000000000000000000000000000000000..5c45859dfb0f4196b245aa46ef56d0aa33285d7d
--- /dev/null
+++ b/src/Praktikum/Prak5/Page.php
@@ -0,0 +1,143 @@
+<?php declare(strict_types=1);
+// UTF-8 marker äöüÄÖÜ߀
+/**
+ * Class Page for the exercises of the EWA lecture
+ * Demonstrates use of PHP including class and OO.
+ * Implements Zend coding standards.
+ * Generate documentation with Doxygen or phpdoc
+ *
+ * PHP Version 7.4
+ *
+ * @file Page.php
+ * @package Page Templates
+ * @author Bernhard Kreling, <bernhard.kreling@h-da.de>
+ * @author Ralf Hahn, <ralf.hahn@h-da.de>
+ * @version 3.1
+ */
+
+/**
+ * This abstract class is a common base class for all
+ * HTML-pages to be created.
+ * It manages access to the database and provides operations
+ * for outputting header and footer of a page.
+ * Specific pages have to inherit from that class.
+ * Each derived class can use these operations for accessing the database
+ * and for creating the generic parts of a HTML-page.
+ *
+ * @author Bernhard Kreling, <bernhard.kreling@h-da.de>
+ * @author Ralf Hahn, <ralf.hahn@h-da.de>
+ */
+abstract class Page
+{
+ // --- ATTRIBUTES ---
+
+ /**
+ * Reference to the MySQLi-Database that can be used
+ * by all operations of the class or inherited classes.
+ */
+ protected MySQLi $_database;
+
+ // --- OPERATIONS ---
+
+ /**
+ * Connects to DB and stores
+ * the connection in member $_database.
+ * Needs name of DB, user, password.
+ */
+ protected function __construct()
+ {
+ error_reporting(E_ALL);
+
+ $host = "localhost";
+ /********************************************/
+ // This code switches from the the local installation (XAMPP) to the docker installation
+ if (gethostbyname('mariadb') != "mariadb") { // mariadb is known?
+ $host = "mariadb";
+ }
+ /********************************************/
+
+ $this->_database = new MySQLi($host, "public", "public", "pizzaservice");
+
+ if ($this->_database->connect_errno) {
+ throw new Exception("Connect failed: " . $this->_database->connect_errno);
+ }
+
+ // set charset to UTF8!!
+ if (!$this->_database->set_charset("utf8")) {
+ throw new Exception($this->_database->error);
+ }
+ }
+
+ public function __destruct() // Closes the DB connection
+ {
+ $this->_database->close();
+ }
+
+ /**
+ * Generates the header section of the page.
+ * i.e. starting from the content type up to the body-tag.
+ * Takes care that all strings passed from outside
+ * are converted to safe HTML by htmlspecialchars.
+ *
+ * @param string $title $title is the text to be used as title of the page
+ * @param string $jsFile path to a java script file to be included, default is "" i.e. no java script file
+ * @param bool $autoreload true: auto reload the page every 5 s, false: not auto reload
+ * @return void
+ */
+ protected function generatePageHeader(string $title = "", string $jsFile = "", bool $autoreload = false):void
+ {
+ $title = htmlspecialchars($title);
+ header("Content-type: text/html; charset=UTF-8");
+ //--------------------------------
+ if ($autoreload) {
+ header("Refresh: 10;");
+ }
+
+ //-------------------------------------
+ echo <<< HTML
+ <!DOCTYPE html>
+ <html lang="de">
+ <head>
+ <meta charset="UTF-8">
+ <title>{$title}</title>
+ </head>
+ <body>
+HTML;
+ if (is_file($jsFile)) {
+ echo "<script type='text/javascript' src='{$jsFile}'></script>\n";
+ }
+
+ }
+
+ /**
+ * Outputs the end of the HTML-file i.e. </body> etc.
+ * @return void
+ */
+ protected function generatePageFooter():void
+ {
+ echo <<< HTML
+ </body>
+ </html>
+HTML;
+ }
+
+ /**
+ * Processes the data that comes in via GET or POST.
+ * If every derived page is supposed to do something common
+ * with submitted data do it here.
+ * E.g. checking the settings of PHP that
+ * influence passing the parameters (e.g. magic_quotes).
+ * @return void
+ */
+ protected function processReceivedData():void
+ {
+
+ }
+} // end of class
+
+// Zend standard does not like closing php-tag!
+// PHP doesn't require the closing tag (it is assumed when the file ends).
+// Not specifying the closing ? > helps to prevent accidents
+// like additional whitespace which will cause session
+// initialization to fail ("headers already sent").
+//? >
diff --git a/src/Praktikum/Prak5/img/pizzaAfterburner.png b/src/Praktikum/Prak5/img/pizzaAfterburner.png
new file mode 100644
index 0000000000000000000000000000000000000000..2e1ec7b18078ec437044123e1d22f7d17f330a0e
Binary files /dev/null and b/src/Praktikum/Prak5/img/pizzaAfterburner.png differ
diff --git a/src/Praktikum/Prak5/img/pizzaSalami.png b/src/Praktikum/Prak5/img/pizzaSalami.png
new file mode 100644
index 0000000000000000000000000000000000000000..a5e3173732265805437e6003bf8bc17158a3b192
Binary files /dev/null and b/src/Praktikum/Prak5/img/pizzaSalami.png differ
diff --git a/src/Praktikum/Prak5/img/pizzaVegetaria.png b/src/Praktikum/Prak5/img/pizzaVegetaria.png
new file mode 100644
index 0000000000000000000000000000000000000000..7c4185fc015831c6d40db61c9cf7d854dc4741d9
Binary files /dev/null and b/src/Praktikum/Prak5/img/pizzaVegetaria.png differ
diff --git a/src/Praktikum/Prak5/index.php b/src/Praktikum/Prak5/index.php
new file mode 100644
index 0000000000000000000000000000000000000000..19e65e0300b9599f3fe7378f718a8f6ecb69cea1
--- /dev/null
+++ b/src/Praktikum/Prak5/index.php
@@ -0,0 +1,146 @@
+<?php declare(strict_types=1);
+// UTF-8 marker äöüÄÖÜ߀
+/**
+ * Class PageTemplate for the exercises of the EWA lecture
+ * Demonstrates use of PHP including class and OO.
+ * Implements Zend coding standards.
+ * Generate documentation with Doxygen or phpdoc
+ *
+ * PHP Version 7.4
+ *
+ * @file PageTemplate.php
+ * @package Page Templates
+ * @author Bernhard Kreling, <bernhard.kreling@h-da.de>
+ * @author Ralf Hahn, <ralf.hahn@h-da.de>
+ * @version 3.1
+ */
+
+// to do: change name 'PageTemplate' throughout this file
+require_once './Page.php';
+
+/**
+ * This is a template for top level classes, which represent
+ * a complete web page and which are called directly by the user.
+ * Usually there will only be a single instance of such a class.
+ * The name of the template is supposed
+ * to be replaced by the name of the specific HTML page e.g. baker.
+ * The order of methods might correspond to the order of thinking
+ * during implementation.
+ * @author Bernhard Kreling, <bernhard.kreling@h-da.de>
+ * @author Ralf Hahn, <ralf.hahn@h-da.de>
+ */
+class Index extends Page
+{
+ // to do: declare reference variables for members
+ // representing substructures/blocks
+
+ /**
+ * Instantiates members (to be defined above).
+ * Calls the constructor of the parent i.e. page class.
+ * So, the database connection is established.
+ * @throws Exception
+ */
+ protected function __construct()
+ {
+ parent::__construct();
+ // to do: instantiate members representing substructures/blocks
+ }
+
+ /**
+ * Cleans up whatever is needed.
+ * Calls the destructor of the parent i.e. page class.
+ * So, the database connection is closed.
+ */
+ public function __destruct()
+ {
+ parent::__destruct();
+ }
+
+ /**
+ * Fetch all data that is necessary for later output.
+ * Data is returned in an array e.g. as associative array.
+ * @return array An array containing the requested data.
+ * This may be a normal array, an empty array or an associative array.
+ */
+ protected function getViewData():array
+ {
+ return array("Bestellung" => "./Bestellung.php", "Baecker" => "./Baecker.php",
+ "Kunde" => "./Kunde.php", "Fahrer" => "./Fahrer.php", "Kundenstatus" => "./Kundenstatus.php");
+ }
+
+ /**
+ * First the required data is fetched and then the HTML is
+ * assembled for output. i.e. the header is generated, the content
+ * of the page ("view") is inserted and -if available- the content of
+ * all views contained is generated.
+ * Finally, the footer is added.
+ * @return void
+ */
+ protected function generateView():void
+ {
+ $data = $this->getViewData(); //NOSONAR ignore unused $data
+ $this->generatePageHeader('Ãœbersicht'); //to do: set optional parameters
+ // to do: output view of this page
+ echo <<< HTML
+
+ <header>
+ <h1>Ãœbersicht</h1>
+ </header>
+
+ <ul>
+ HTML;
+ foreach ($data as $linkKey => $linkElement) {
+ echo "\n<li> <a href='{$linkElement}' target='_blank'>$linkKey</a> </li>";
+ }
+ echo "\n</ul>\n";
+
+ $this->generatePageFooter();
+ }
+
+ /**
+ * Processes the data that comes via GET or POST.
+ * If this page is supposed to do something with submitted
+ * data do it here.
+ * @return void
+ */
+ protected function processReceivedData():void
+ {
+ parent::processReceivedData();
+ // to do: call processReceivedData() for all members
+ }
+
+ /**
+ * This main-function has the only purpose to create an instance
+ * of the class and to get all the things going.
+ * I.e. the operations of the class are called to produce
+ * the output of the HTML-file.
+ * The name "main" is no keyword for php. It is just used to
+ * indicate that function as the central starting point.
+ * To make it simpler this is a static function. That is you can simply
+ * call it without first creating an instance of the class.
+ * @return void
+ */
+ public static function main():void
+ {
+ try {
+ $page = new Index();
+ $page->processReceivedData();
+ $page->generateView();
+ } catch (Exception $e) {
+ //header("Content-type: text/plain; charset=UTF-8");
+ header("Content-type: text/html; charset=UTF-8");
+ echo $e->getMessage();
+ }
+ }
+}
+
+// This call is starting the creation of the page.
+// That is input is processed and output is created.
+Index::main();
+
+// Zend standard does not like closing php-tag!
+// PHP doesn't require the closing tag (it is assumed when the file ends).
+// Not specifying the closing ? > helps to prevent accidents
+// like additional whitespace which will cause session
+// initialization to fail ("headers already sent").
+//? >