[amazon_albumcover] at tagSwap.net: Open Source Lasso Code

[amazon_albumcover]

Description

Link: [amazon_albumcover]

Author: Jason Huck

Category: Utility

Version: 8.x

License:

Posted: Apr. 26, 2006

Updated: Apr. 26, 2006

More by this author...

This tag returns the first Large Image URL for the given album from Amazon Web Services. Requires a valid AWS Access Key ID.

Parameters

-key	string, required	A valid AWS Access Key ID.
-artist	string, required	The name of the artist.
-album	string, required	The name of the album.

Sample Usage

var('coverURL') = amazon_albumcover(
	-key=$key,
	-artist=$artist,
	-album=$album
);

$coverURL->size ? '<img src="' + $coverURL + '">';

Source Code

Click the "Download" button below to retrieve a copy of this tag, including the complete documentation and sample usage shown on this page. Place the downloaded ".inc" file in your LassoStartup folder, restart Lasso, and you can begin using this tag immediately.

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define_tag(
	'albumcover',
	-namespace='amazon_',
	-required='key',
	-type='string',
	-required='artist',
	-type='string',
	-required='album',
	-type='string',
	-priority='replace',
	-description='Returns the first Large Image URL for the given album from Amazon Web Services.'
);
	local('baseurl' = 'http://webservices.amazon.com/onca/xml');

	local('params') = array(
		'Service' = 'AWSECommerceService',
		'AWSAccessKeyId' = #key,
		'Operation' = 'ItemSearch',
		'SearchIndex' = 'Music',
		'Artist' = encode_url(#artist),
		'Title' = encode_url(#album),
		'ResponseGroup' = 'Images'
	);
	
	local('response') = include_url(
		#baseurl,
		-getparams=#params
	);

	#response = string_replaceregexp(
		#response,
		-find='xmlns=".+?"',
		-replace=''
	);
	
	#response = xml(#response);
	
	local('imagedata') = #response->extract('//LargeImage/URL/text()');
	
	#imagedata->size ? return(#imagedata->first) | return;
/define_tag;

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