Revision: 977
http://dl-learner.svn.sourceforge.net/dl-learner/?rev=977&view=rev
Author: jenslehmann
Date: 2008-06-23 09:20:34 -0700 (Mon, 23 Jun 2008)
Log Message:
-----------
Jamendo artist search
Modified Paths:
--------------
trunk/src/music-recommender/ajax.php
trunk/src/music-recommender/index.php
Modified: trunk/src/music-recommender/ajax.php
===================================================================
--- trunk/src/music-recommender/ajax.php 2008-06-23 11:11:48 UTC (rev 976)
+++ trunk/src/music-recommender/ajax.php 2008-06-23 16:20:34 UTC (rev 977)
@@ -31,17 +31,19 @@
$xajax = new xajax();
+// set to debug during development if needed
+$xajax->configureMany(array('debug'=>false));
+
// register functions
$xajax->registerFunction("doSearch");
-
$xajax->processRequest();
// search for songs matching the search string
function doSearch($searchString)
{
// ToDo: execute a SPARQL query (find labels matching search string) by contacting DL-Learner web service
- $query = 'PREFIX geo:<http://www.geonames.org/ontology#>
+ /*$query = 'PREFIX geo:<http://www.geonames.org/ontology#>
PREFIX wgs:<http://www.w3.org/2003/01/geo/wgs84_pos#>
SELECT ?a ?place ?lat ?long
WHERE {
@@ -52,7 +54,20 @@
wgs:lat ?lat;
wgs:long ?long
}
- LIMIT 1';
+ LIMIT 1';*/
+ // unfortunately full text search does not work yet - I am in contact with Yves Raimond to find a solution
+ // currently, we look for exact matches
+ $query = '
+ SELECT ?artist ?name ?image ?homepage
+ WHERE {
+ ?artist a mo:MusicArtist .
+ ?artist foaf:name "'.$searchString.'" .
+ ?artist foaf:name ?name .
+ ?artist foaf:img ?image .
+ ?artist foaf:homepage ?homepage .
+ }
+ LIMIT 10';
+
/*PREFIX geo: <http://www.geonames.org/ontology#>
PREFIX wgs: <http://www.w3.org/2003/01/geo/wgs84_pos#>
SELECT DISTINCT ?an ?lat ?long ?name ?population
@@ -72,8 +87,29 @@
try {
$connection = new DLLearnerConnection();
- $result = $connection->sparqlQuery($query);
- $newContent = 'searching for '.$searchString.' ... not implemented '.$result;
+ $json = $connection->sparqlQuery($query);
+ $result = json_decode($json);
+ $bindings = $result->results->bindings;
+
+ // preprocessing phase
+ // found artists (currently all results are artists)
+ /*
+ $artists = array();
+ $count = 0;
+ foreach($bindings as $binding) {
+ $artists[$count]['image'] = $binding->image;
+ $count++;
+ }*/
+
+ // var_dump($bindings);
+ // $newContent = 'searching for '.$searchString.' ... not implemented <pre>test</pre>';
+ $newContent = '<h3>Search Results</h3>';
+ foreach($bindings as $binding) {
+ $newContent .= '<img style="float:right" src="'.$binding->image->value.'" />';
+ $newContent .= '<b>'.$binding->name->value.'</b><br />';
+ $newContent .= '<a href="'.$binding->homepage->value.'">'.$binding->homepage->value.'</a><br />';
+ $newContent .= 'TODO: make author name clickable such that people can get tracks from this artist and listen to them';
+ }
} catch (Exception $e) {
$newContent = '<b>Search aborted: '.$e->getMessage().'</b>';
}
Modified: trunk/src/music-recommender/index.php
===================================================================
--- trunk/src/music-recommender/index.php 2008-06-23 11:11:48 UTC (rev 976)
+++ trunk/src/music-recommender/index.php 2008-06-23 16:20:34 UTC (rev 977)
@@ -45,6 +45,8 @@
require_once 'ajax.php';
+// doSearch('Allison Crowe');
+
echo '<?xml version="1.0" encoding="UTF-8"?>';
?>
<!DOCTYPE html
@@ -64,9 +66,11 @@
<!-- search form -->
<input type="text" id="label" />
<button onclick="xajax_doSearch(document.getElementById('label').value);">search</button>
+ <p>Enter an artist and click the search button. (TODO: Enable search also for tracks and tags. Enable hitting enter instead of clicking button.)</p>
+ <p>Example artist: Allison Crowe</p>
<!-- search result display -->
- <div id="searchElement"></div>
+ <div id="searchElement" style="max-width:500px;"></div>
<h2>Song List</h2>
<a href="http://mediaplayer.yahoo.com/example1.mp3">song 1</a> <br />
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