@Override
public RandomList getRandomList(User user) {
int year = Calendar.getInstance().get(Calendar.YEAR);
int fromYear = Util.randInt(daoAlbum.findOldestAlbum(user.getLogin()), year);
int toYear = fromYear + 10; // Util.randInt( fromYear, year );
List<MDOAlbum> albums = daoAlbum.findAlbumsBasedOnDate(user.getLogin(), fromYear, toYear);
if (albums != null && albums.size() > 0) {
RandomList rl = new RandomList("RandomListName-Date", "RandomListTitle-Date");
rl.addDetail(fromYear + " - " + toYear);
for (int i = 0; i < albums.size() && rl.getSongs().size() < MAX_ELEMENTS; i++) {
List<MDOSong> songs = albums.get(i).getSongs();
for (int j = 0; j < songs.size() && rl.getSongs().size() < MAX_ELEMENTS; j++) {
MDOSong mdoSong = songs.get(j);
Song song = new Song(mdoSong, true, true);
rl.addSong(song);
}
}
long seed = System.nanoTime();
if (rl.getSongs() != null) {
Collections.shuffle(rl.getSongs(), new Random(seed));
}
return rl;
}
return null;
}
/**
* Return the current user logged. Throws an exception if nobody logged depending on the parameter
* completeUser, the function will return an {@link User} with only the username, or an {@link
* User} with all the information.
*
* @param completeUser boolean flag to know if the returned user must be complete with all the
* user information or just the login information
* @param daoUser {@link DAOUser} this param is only necessary when param completeUser is true. If
* not, it can be null
* @return {@link User} user logged
* @throws NotAuthorizedMessicRESTException
*/
public static User getCurrentUser(boolean completeUser, DAOUser daoUser)
throws NotAuthorizedMessicRESTException {
Authentication auth = SecurityContextHolder.getContext().getAuthentication();
if (auth != null && auth.getPrincipal().equals("anonymousUser")) {
return null;
}
if (auth != null) {
if (!completeUser) {
User user = new User();
user.setLogin(auth.getName());
return user;
} else {
MDOUser mdoUser = daoUser.getUserByLogin(auth.getName());
User user = new User(mdoUser);
return user;
}
} else {
return null;
}
}