Using Amazon Web Services With PHP And SOAP (part 2) - Bagging It (
Page 6 of 7 )
Finally, after providing you with the API to build a product
catalog, search for products, and obtain detailed product descriptions, AWS rounds
things out by allowing you an entry point into Amazon's transaction system, providing
constructs to add products to an Amazon.com shopping cart or wish list.
For the first time in a while, accomplishing this doesn't involve using any special
SOAP commands - all you need is a plain ol' HTML form, containing certain mandatory
fields.
<form method="POST"
action="http://www.amazon.com/o/dt/assoc/handle-buy-box=<ASIN>">
<input
type="hidden" name="asin. <ASIN>" value="1">
<input type="hidden" name="tag-value"
value="<YOUR-ASSOCIATES-ID>">
<input type="hidden" name="tag_value" value="<YOUR-ASSOCIATES-ID>">
<input
type="hidden" name="dev-tag-value" value="<YOUR-TOKEN>"> <input
type="submit"
name="submit.add-to-cart" value="Buy From Amazon.com"> or
<input type="submit"
name="submit.add-to-registry.wishlist" value="Add
to Amazon.com Wish List">
</form>
So, if you wanted to place a "Buy!" link on each product page for the book "XML
and PHP" - Amazon.com ASIN 0735712271 - your form would look like this:
<form method="POST"
action="http://www.amazon.com/o/dt/assoc/handle-buy-box=0735712271">
<input
type="hidden" name="asin.0735712271" value="1">
<input type="hidden" name="tag-value"
value="melonfire-20"> <input
type="hidden" name="tag_value" value="melonfire-20">
<input
type="hidden" name="dev-tag-value" value="YOUR-TOKEN-HERE"> <input
type="submit"
name="submit.add-to-cart" value="Buy From Amazon.com"> or
<input type="submit"
name="submit.add-to-registry.wishlist" value="Add
to Amazon.com Wish List">
</form>
Needless to say, it's pretty easy to incorporate this into the product information
page designed in the previous example - here's the script:
<?php
// include class
include("nusoap.php");
// create a instance of the
SOAP client object
$soapclient = new
soapclient("http://soap.amazon.com/schemas2/AmazonWebServices.wsdl",
true);
//
create a proxy so that WSDL methods can be accessed directly
$proxy = $soapclient->getProxy();
//
format ASIN to ten-character format
$asin = sprintf("%010d", $_GET['asin']);
//
set up an array containing input parameters to be
// passed to the remote procedure
$params
= array(
'asin' => $asin,
'mode' => 'books',
'tag'
=> 'melonfire-20',
'type' => 'heavy',
'devtag'
=> 'YOUR-TOKEN-HERE'
);
// get item details
$result = $proxy->ASINSearchRequest($params);
$items
= $result['Details'];
// get list of similar items
$simResult = $proxy->SimilaritySearchRequest($params);
$simItems
= $simResult['Details'];
// display the result
?>
<html>
<head>
<basefont
face="Verdana">
</head>
<body bgcolor="white">
<p> <p>
<table
width="100%" cellspacing="0" cellpadding="5">
<tr>
<td bgcolor="Navy"><font
color="white" size="-1"><b>Welcome to
The Mystery Bookstore!</b></font></td>
<td
bgcolor="Navy" align="right"><font color="white"
size="-1"><b><? echo
date("d M Y", mktime());?></b></font></td> </tr>
</table>
<p>
<table
width="100%" border="0" cellspacing="5" cellpadding="0"> <tr> <td
align="center"
valign="top" rowspan="8"><a href="<? echo
$items[0]['Url']; ?>"><img
border="0" src=<? echo
$items[0]['ImageUrlMedium']; ?>></a></td> <td><font
size="-1"><b><? echo
$items[0]['ProductName']; ?></b></font></td>
</tr> <tr> <td align="left"
valign="top"><font size="-1">List Price:
<? echo $items[0]['ListPrice'];
?></font></td> </tr> <tr> <td
align="left" valign="top"><font
size="-1">Amazon.com Price: <? echo $items[0]['OurPrice'];
?></font></td>
</tr> <tr> <td align="left" valign="top"><font
size="-1">Publisher:
<? echo $items[0]['Manufacturer']; ?></font></td>
</tr> <tr> <td
align="left" valign="top"><font size="-1">Availability:
<? echo $items[0]['Availability'];
?></font></td> </tr> <tr> <td
align="left" valign="top"><font
size="-1">Amazon.com sales rank: <? echo
$items[0]['SalesRank']; ?></font></td>
</tr> <tr> <td align="left"
valign="top"><font size="-1">Average customer
rating: <? echo
$items[0]['Reviews']['AvgCustomerRating']; ?></font></td>
</tr> <tr> <td
align="left" valign="top"><font size="-1"> <form
method="POST"
action="http://www.amazon.com/o/dt/assoc/handle-buy-box=<? echo
$asin;
?>"> <input type="hidden" name="asin.<? echo $asin; ?>" value="1">
<input
type="hidden" name="tag-value" value="melonfire-20"> <input
type="hidden" name="tag_value"
value="melonfire-20"> <input
type="hidden" name="dev-tag-value" value="YOUR-TOKEN-HERE">
<input
type="submit" name="submit.add-to-cart" value="Buy From Amazon.com">
or
<input type="submit" name="submit.add-to-registry.wishlist" value="Add
to
Amazon.com Wish List">
</form></font>
</td>
</tr>
<tr>
<td
colspan="2">
<font size="-1">
<hr>
<?
foreach($items[0]['Reviews']['CustomerReviews']
as $r)
{
?>
<b><? echo $r['Summary']; ?></b>
<br>
<? echo $r['Comment'];
?>
<hr>
<?
}
?>
</font>
</td>
</tr>
<tr>
<td colspan="2">
<font
size="-1">
Customers who shopped for this item also bought:
<ul>
<?
foreach($simItems
as $s)
{
echo "<li><a href="" . $_SERVER['PHP_SELF'] . "?asin=" .
$s['Asin']
. "">" . $s['ProductName'] . "</a>"; }
?>
</ul></font>
</td>
</tr>
</table>
</body>
</html>
And here's an example of the page generated:
Clicking either of the form buttons will redirect the user to Amazon.com, where
the selected item gets added to a shopping cart/wish list. Consummating the transaction
is currently outside the scope of AWS, and is handled by the main Amazon.com site;
if you're an Amazon.com Associate, your account will get credited with appropriate
commission, since the URL passed to Amazon.com includes your Associate ID. It
all fits together pretty neatly.
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