adding the up to date order and orders views

week-6/record-store-app/views/order.php

+<?php
+
+// check the order_id parameter has been set in the URL
+if (isset($_GET['order_id']))
+{
+	$order_id = $_GET['order_id'];
+} else { 
+	$order_id = -1; // if not, set to an implausible value
+}
+
+// fetch order details associated with current order id
+$sql = "SELECT r.ean, r.title, ol.quantity, ol.transaction_id, r.price 
+	FROM record r
+	INNER JOIN orderline ol 
+		ON ol.record_ean=r.ean
+	WHERE ol.transaction_id=".$order_id;
+$result = mysqli_query($link, $sql);
+
+// check query returned a result
+if ($result === false) {
+    	echo mysqli_error($link);
+} else {
+
+	// Find the number of rows returned
+	$num_rows = mysqli_num_rows($result);
+
+	// Check it's not 0
+	if ($num_rows == 0) {
+		$content = "<h1>Order not found</h1>";
+	} else {
+		// create variable for content HTML
+		$content = "<h1>Order ".$order_id."</h1>";
+		$content .= "<table border='1'>";
+		$content .= "<thead><tr>
+				<th>EAN</th>
+				<th>Title</th>
+				<th>Quantity</th>
+				<th>Price</th>
+				<th>Total</th>
+			     </tr></thead>";
+		$content .= "<tbody>";
+		// initialise total order price to 0
+		$total = 0.00;
+		// fetch associative array
+		while ($row = mysqli_fetch_assoc($result)) {
+			$subtotal = $row['quantity'] * $row['price'];
+			$total = $total + $subtotal;
+			$content .= "<tr>";
+			$content .= "<td>".$row['ean']."</td>";
+			$content .= "<td>".$row['title']."</td>";
+			$content .= "<td>".$row['quantity']."</td>";
+			$content .= "<td>&pound;".$row['price']."</td>";
+			$content .= "<td>&pound;".$subtotal."</td>";
+			$content .= "</tr>";
+	        }
+		$content .= "<tr><td colspan=4><b>TOTAL</b><td><b>&pound;".$total."</b></td></tr>";
+		$content .= "</tbody></table>";
+		// free result set
+		mysqli_free_result($result);
+	
+	}
+}
+
+// output the content HTML
+echo $content;
+
+?>

week-6/record-store-app/views/orders.php

+<?php
+
+// initialise string variable for content HTML
+$content = "<h1>Orders</h1>";
+
+// fetch all transactions (orders) and group by customer id
+$sql = "SELECT id, customer_id FROM transaction
+	ORDER BY customer_id";
+$result = mysqli_query($link, $sql);
+
+// check query returned a result
+if ($result === false) 
+{
+    echo mysqli_error($link);
+} else {
+	$num_rows = mysqli_num_rows($result);
+	if ($num_rows > 0)
+	{
+	    	$content .= "<table border='1'>";
+	    	$content .= "<thead><tr><th>Order ID</th><th>Customer ID</th></tr></thead>";
+	    	$content .= "<tbody>";
+	    // fetch each row in result set as an associative array
+	    	while ($row = mysqli_fetch_assoc($result)) {
+			$content .= "<tr>";
+			$content .= "<td><a href=\"?page=order&order_id=".$row['id']."\">".$row['id']."</a></td>";
+			$content .= "<td>".$row['customer_id']."</td>";
+			$content .= "</tr>";
+		}
+		$content .= "</tbody></table>";
+	} else {
+		$content .= "<p>There are no orders to display.</p>";
+	}
+	// free result set
+	mysqli_free_result($result);
+}
+
+// output the content HTML
+echo $content;
+
+?>