/**
* Handles the HTTP
* <code>POST</code> method.
*
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
PrintWriter out=response.getWriter();
response.setContentType("text/html");
String song=request.getParameter("song");
DB db=Connection.getMongoConnection2();
DBCollection collection1=db.getCollection("data");
System.out.println("22 ::: ");
DBObject dbo3=(DBObject)JSON.parse("{'title.0':\""+song+"\"}");
DBObject dbo4=(DBObject)JSON.parse("{'artist_name.0':\""+song+"\"}");
System.out.println("11 ::: "+dbo3);
DBCursor cursor1=collection1.find(dbo3);
DBObject dbob;
if(cursor1.hasNext())
dbob=cursor1.next();
else
{
cursor1=collection1.find(dbo4);
dbob=cursor1.next();
}
DBObject a= (DBObject) dbob.get("track_id");
String choice=(String) a.get("0");
System.out.println("choice: "+choice);
String song_title=(String)(((DBObject)(dbob.get("title"))).get("0"));
String a_name=(String)(((DBObject)(dbob.get("artist_name"))).get("0"));
if(song_title.equals(song))
{
DBCollection collection2=db.getCollection("trending_songs");
DBObject dbo_trend_check=(DBObject)JSON.parse("{'song': '"+song_title+"'}");
DBCursor cur=collection2.find(dbo_trend_check);
if(cur.hasNext())
{
Long count=(Long)(cur.next().get("count"));
count++;
DBObject x=(DBObject)JSON.parse("{'song':'"+song_title+"'}");
DBObject y=(DBObject)JSON.parse("{ '$set':{'count':" +count+"}}");
collection2.update(x,y);
}
else
{
DBObject z=(DBObject)JSON.parse("{'song':'"+song_title+"','count':1}");
collection2.insert(z);
}
out.println("<link rel=\"stylesheet\" type=\"text/css\" href=\"css/style.css\">");
out.println("You have entered <b>song</b> "+song);
out.println("<br>Your recommendation are:: <br>");
DBCollection collection=db.getCollection("similiar");
DBObject dbo1=(DBObject)JSON.parse("{\"track_id\":\""+choice+"\"}");
// DBObject dbo2=(DBObject)JSON.parse("{'similiar':1,'_id':0}");
System.out.println(dbo1);
DBCursor cursor=collection.find(dbo1,(DBObject)JSON.parse("{'similar_songs':0,'track_id':0,'_id':0}"));
// if(cursor.hasNext()==true)
// out.println("recommendations::123:: "+cursor.next().get("similiar_songs"));
List similiar= (List) cursor.next().get("similiar_songs");
//String songs[]=similiar.split("[a-z]\",");
for(int i=0;i<similiar.size();i++)
{
DBObject dbo2=(DBObject)JSON.parse("{\"track_id.0\":\""+similiar.get(i)+"\"}");
DBCursor cursor3=collection1.find(dbo2);
DBObject c=cursor3.next();
DBObject name=(DBObject) c.get("title");
String rec_name=(String) name.get("0");
DBObject duration=(DBObject) c.get("duration");
Double rec_duration=(Double)duration.get("0");
DBObject artist_name=(DBObject) c.get("artist_name");
String rec_artist_name=(String)artist_name.get("0");
// response.setHeader("song", rec_name);
out.println("<a href=\"play_song.jsp?name="+rec_name+"\">"+rec_name+"</a> duration:"+rec_duration+" Artist: "+rec_artist_name+ "<br>");
}
}
else if(a_name.equals(song)){
try{
out.println("You have entered artist <b> " +a_name+"</b>");
out.println("<br>I recommend: <br>");
String API_KEY="JUOWXQDOIOXAEDIZS";
EchoNestAPI echoNestAPI=new EchoNestAPI(API_KEY);
List<Artist> artist_names = echoNestAPI.searchArtists(a_name);
if (artist_names.size() > 0) {
Artist ar = artist_names.get(0);
for (Artist simArtist : ar.getSimilar(5)) {
out.println(simArtist.getName()+"<br>");
}
out.println(" <ul class=\"collection with-header\">\n" +
" <li class=\"collection-header\"><h4>First Names</h4></li>\n" +
" <li class=\"collection-item\">Alvin</li>\n" +
" <li class=\"collection-item\">Alvin</li>\n" +
" <li class=\"collection-item\">Alvin</li>\n" +
" <li class=\"collection-item\">Alvin</li>\n" +
" </ul>");
}
out.println("<div class=\"card-content white-text\">\n" +
" <span class=\"card-title\">name</span>\n" +
" \n" +
" </div>");
out.println("div class=\"card blue-grey darken-1\">\n" +
" <div class=\"card-content white-text\">\n" +
" <span class=\"card-title\">Card Title</span>\n" +
" <p>I am a very simple card. I am good at containing small bits of information.\n" +
" I am convenient because I require little markup to use effectively.</p>\n" +
" </div>\n" +
" <div class=\"card-action\">\n" +
" <a href=\"#\">This is a link</a>\n" +
" <a href='#'>This is a link</a>\n" +
" </div>\n" +
" </div>");
}catch(Exception e)
{
e.printStackTrace();
}
}
out.println(" <div align=\"center\">\n" +
" <form action=\"rate.jsp\" >\n" +
" <input type=\"radio\" name=\"rating\" value=\"1\" class=\"star\">\n" +
" <input type=\"radio\" name=\"rating\" value=\"2\" class=\"star\">\n" +
" <input type=\"radio\" name=\"rating\" value=\"3\" class=\"star\">\n" +
" <input type=\"radio\" name=\"rating\" value=\"4\" class=\"star\">\n" +
" <input type=\"radio\" name=\"rating\" value=\"5\" class=\"star\">\n" +
" \n" +
" <input type=\"hidden\" name=\"song\" value=\"<%=name%>\" >\n" +
" <input type=\"submit\" value=\"Rate\">\n" +
" </form>\n" +
" </div>");
}
public static void extractSimilarArtists() {
long before = System.currentTimeMillis();
try {
log.info("[SIMILAR_ARTIST_EXTRACTION_JOB] Started SimilarArtistJob on {}.", new Date());
EchoNestAPI echonest =
new EchoNestAPI(TCBookProperties.getInstance().getString("echonest.api_key"));
List<MusicalArtist> musicalArtists = musicalArtistBO.getAll();
for (MusicalArtist artist : musicalArtists) {
boolean extractedArtists = false;
while (!extractedArtists) {
try {
List<Artist> echonestArtists = echonest.searchArtists(artist.getArtisticName());
extractedArtists = Boolean.TRUE;
if (echonestArtists != null && !echonestArtists.isEmpty()) {
Artist echonestArtist = echonestArtists.get(0);
boolean extractedSimilar = false;
while (!extractedSimilar) {
try {
List<Artist> similarArtists = echonestArtist.getSimilar(5);
extractedSimilar = Boolean.TRUE;
if (similarArtists != null && !similarArtists.isEmpty()) {
for (Artist similarArtist : similarArtists) {
String similarName = similarArtist.getName();
String similarMbid = similarArtist.getForeignID("musicbrainz");
if (StringUtils.isNotBlank(similarMbid)) {
similarMbid = similarMbid.replace("musicbrainz:artist:", "");
}
SimilarMusicalArtist similarMusicalArtist = new SimilarMusicalArtist();
similarMusicalArtist.setMbid(similarMbid);
similarMusicalArtist.setArtisticName(similarName);
musicalArtistBO.setSimilarArtist(similarMusicalArtist, artist);
}
}
} catch (EchoNestException e) {
log.error("Echonest limit exceeded. will retry.");
try {
Thread.sleep(10000);
} catch (Exception e1) {
// do nothing
}
}
}
}
} catch (EchoNestException e) {
log.error("Echonest limit exceeded. will retry.");
try {
Thread.sleep(10000);
} catch (Exception e1) {
// do nothing
}
}
}
}
} catch (Exception e) {
log.error("[SIMILAR_ARTIST_EXTRACTION_JOB] Error performing job. Exception: " + e);
logEx.error("Error performing job.", e);
} finally {
log.info(
"[SIMILAR_ARTIST_EXTRACTION_JOB] Finished SimilarArtistJob in {}ms.",
(System.currentTimeMillis() - before));
}
}
