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Demonstration of page flow design patterns.
<p/>

#if ($courseBooking)

<b>Course Booking Completed</b>
 
<style type="text/css">
td.value { 
  border: 1px dotted gray; 
}
td.title { 
  font-weight: bold;
  background-color: #e0e0e0; 
}
</style>
<table style="border: 1px solid gray; margin: 1em;" cellpadding="8" cellspacing="8">
 <tr>
  <td class="title">Booking No.</td>
  <td class="value">$courseBooking.id</td>
 </tr>
 <tr>
  <td class="title">Booking Created</td>
  <td class="value">$format.date($courseBooking.createdAt, "dd MMM yyyy - h:mm:ss a")</td>
 </tr>
 <tr>
  <td class="title">Customer Name</td>
  <td class="value">$customer.name</td>
 </tr>
 <tr>
  <td class="title">Customer No.</td>
  <td class="value">$customer.id</td>
 </tr>
 <tr>
  <td class="title">Course Date</td>
  <td class="value">$format.date($courseBooking.bookingDate, "dd MMM yyyy")</td>
 </tr>
 <tr>
  <td class="title">Course Type</td>
  <td class="value">$courseBooking.courseType</td>
 </tr>
</table>
 
#else

No course booking has been made.
 
#end

<p/>
<a href="start-page.htm">Create Another Booking ?</a>

<p>&nbsp;</p>

The LastPage gets the booking details from a "bookingId" URL request parameter. 
<pre class="codeJava">
String bookingId = getContext().getRequest().getParameter(<span class="st">"bookingId="</span>);

CourseBooking courseBooking = getBookingService().findCourseBookingByID(<span class="kw">new</span> Integer(bookingId));
</pre>

The advantage of the Post-Redirect pattern is that it will not make the POST
request again of the previous page even if the users does a refresh.

<p/>

To prevent users from submitting the order twice by pressing the back button,
the <tt>StartPage</tt> of this page flow uses a form submit check.

<pre class="codeJava">
<span class="kw">public class</span> StartPage <span class="kw">extends</span> BorderedPage {
    ..
    
    <span class="kw">public boolean</span> onSecurityCheck() {
        <span class="kw">return</span> form.onSubmitCheck(<span class="kw">this</span>, <span class="st">"/invalid-submit.html"</span>);
    }
}
</pre>