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author | Scott Jackson <daneren2005@gmail.com> | 2012-07-02 21:24:02 -0700 |
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committer | Scott Jackson <daneren2005@gmail.com> | 2012-07-02 21:24:02 -0700 |
commit | a1a18f77a50804e0127dfa4b0f5240c49c541184 (patch) | |
tree | 19a38880afe505beddb5590379a8134d7730a277 /subsonic-main/src/main/java/net/sourceforge/subsonic/service/RatingService.java | |
parent | b61d787706979e7e20f4c3c4f93c1f129d92273f (diff) | |
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Initial Commit
Diffstat (limited to 'subsonic-main/src/main/java/net/sourceforge/subsonic/service/RatingService.java')
-rw-r--r-- | subsonic-main/src/main/java/net/sourceforge/subsonic/service/RatingService.java | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/subsonic-main/src/main/java/net/sourceforge/subsonic/service/RatingService.java b/subsonic-main/src/main/java/net/sourceforge/subsonic/service/RatingService.java new file mode 100644 index 00000000..6208faf2 --- /dev/null +++ b/subsonic-main/src/main/java/net/sourceforge/subsonic/service/RatingService.java @@ -0,0 +1,101 @@ +/* + This file is part of Subsonic. + + Subsonic is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + Subsonic is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with Subsonic. If not, see <http://www.gnu.org/licenses/>. + + Copyright 2009 (C) Sindre Mehus + */ +package net.sourceforge.subsonic.service; + +import net.sourceforge.subsonic.dao.*; +import net.sourceforge.subsonic.domain.*; +import net.sourceforge.subsonic.util.FileUtil; + +import java.util.*; +import java.io.File; + +/** + * Provides services for user ratings. + * + * @author Sindre Mehus + */ +public class RatingService { + + private RatingDao ratingDao; + private SecurityService securityService; + private MediaFileService mediaFileService; + + /** + * Returns the highest rated music files. + * + * @param offset Number of files to skip. + * @param count Maximum number of files to return. + * @return The highest rated music files. + */ + public List<MediaFile> getHighestRated(int offset, int count) { + List<String> highestRated = ratingDao.getHighestRated(offset, count); + List<MediaFile> result = new ArrayList<MediaFile>(); + for (String path : highestRated) { + File file = new File(path); + if (FileUtil.exists(file) && securityService.isReadAllowed(file)) { + result.add(mediaFileService.getMediaFile(path)); + } + } + return result; + } + + /** + * Sets the rating for a music file and a given user. + * + * @param username The user name. + * @param mediaFile The music file. + * @param rating The rating between 1 and 5, or <code>null</code> to remove the rating. + */ + public void setRatingForUser(String username, MediaFile mediaFile, Integer rating) { + ratingDao.setRatingForUser(username, mediaFile, rating); + } + + /** + * Returns the average rating for the given music file. + * + * @param mediaFile The music file. + * @return The average rating, or <code>null</code> if no ratings are set. + */ + public Double getAverageRating(MediaFile mediaFile) { + return ratingDao.getAverageRating(mediaFile); + } + + /** + * Returns the rating for the given user and music file. + * + * @param username The user name. + * @param mediaFile The music file. + * @return The rating, or <code>null</code> if no rating is set. + */ + public Integer getRatingForUser(String username, MediaFile mediaFile) { + return ratingDao.getRatingForUser(username, mediaFile); + } + + public void setRatingDao(RatingDao ratingDao) { + this.ratingDao = ratingDao; + } + + public void setSecurityService(SecurityService securityService) { + this.securityService = securityService; + } + + public void setMediaFileService(MediaFileService mediaFileService) { + this.mediaFileService = mediaFileService; + } +} |