/**
* Method to import lists of episodes from a CSV file.
*
* @param file The file to import from.
*/
public void importFromCSV(File file) {
ShowsService showsService = serviceContext.newService(ShowsService.class);
EpisodesService episodesService = serviceContext.newService(EpisodesService.class);
SeasonsService seasonsService = serviceContext.newService(SeasonsService.class);
try {
CSVReader reader = new CSVReader(new FileReader(file), ';');
List<String[]> myEntries = reader.readAll();
// remove the headers
myEntries.remove(0);
for (String[] episode : myEntries) {
Show show = null;
Season season = null;
Episode newEpisode = null;
log.debug("Importing episode : " + episode[0] + " - " + episode[2]);
if (showsService.showExists(episode[0])) {
log.debug("The show exists, getting it from the database");
show = showsService.getShowByName(episode[0]);
} else {
log.debug("The show does not exist, creating it");
try {
show = showsService.createShow(episode[0]);
} catch (AlreadyExistException aee) {
log.error("Show already exists, not normal", aee);
}
}
log.debug("Using show : " + show.getTitle());
if (seasonsService.seasonExists(show, Integer.parseInt(episode[1]))) {
log.debug("Season exist, getting it from the database");
season = seasonsService.getSeasonByNumber(show, Integer.parseInt(episode[1]));
} else {
log.debug("The season does not exist, creating it");
try {
season = seasonsService.createSeason(show, Integer.parseInt(episode[1]));
} catch (AlreadyExistException aee) {
log.error("The season " + episode[1] + " already exists, it shouldn't");
}
}
log.debug("Using season " + season.getNumber() + ";");
if (episodesService.episodeExistsByNumber(season, Integer.parseInt(episode[6]))) {
log.debug("Episode already exists, updating it");
Collection<Episode> episodes = episodesService.getAllEpisodes(season);
for (Episode tempEpisode : episodes) {
if (tempEpisode.getTitle().equals(episode[2])) {
newEpisode = tempEpisode;
}
}
} else {
log.debug("Episode does not exist, creating it");
DateFormat formatter = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
try {
newEpisode =
episodesService.createEpisode(season, Integer.parseInt(episode[6]), episode[2]);
} catch (AlreadyExistException aee) {
log.error(episode[3] + "already exists but it should not");
}
newEpisode.setAcquired(Boolean.parseBoolean(episode[4]));
if (!"null".equals(episode[3])) {
newEpisode.setAiringDate(formatter.parse(episode[3]));
}
newEpisode.setViewed(Boolean.parseBoolean(episode[5]));
}
showsService.updateShow(show);
seasonsService.updateSeason(season);
episodesService.updateEpisode(newEpisode);
}
} catch (IOException ioe) {
log.error("An error occured while trying to import database from CSV", ioe);
} catch (ParseException pe) {
log.error("An error occured while trying to import database from CSV", pe);
}
}
/**
* Method to export database to CSV
*
* @param file The file in which to export.
*/
public void exportToCSV(File file) {
TopiaContext newContext = null;
try {
// Get all the episodes
newContext = serviceContext.getTransaction();
EpisodeDAO episodeDAO = EpisodesManagerDAOHelper.getEpisodeDAO(newContext);
Collection<Episode> episodes = episodeDAO.findAll();
log.info("Exporting : " + episodes.size() + " episodes");
BufferedWriter writer = null;
try {
// Create a writer for the directory/filename.csv file
Writer out = new FileWriter(file);
writer = new BufferedWriter(out);
// Write the column headers
writer.write(
"Show;Season;Season Number;Episode;"
+ "Episode Airing Date;Acquired;Viewed;Episode Number\n");
// Run through all episodes
for (Episode episode : episodes) {
log.info("Exporting episode : " + episode.getTitle());
// Write a line for each episode, with also the show and season infos
// Write the show info
writer.write(episode.getSeason().getShow().getTitle() + ";");
// Write the season info
writer.write(episode.getSeason().getNumber() + ";");
// Write the episode info
writer.write(
episode.getTitle()
+ ";"
+ episode.getAiringDate()
+ ";"
+ episode.getAcquired()
+ ";"
+ episode.getViewed()
+ ";"
+ episode.getNumber());
// Go to next line
writer.write("\n");
}
writer.close();
} catch (IOException ioe) {
newContext.closeContext();
log.error("An error occured while trying to export database to CSV", ioe);
} finally {
try {
writer.close();
} catch (IOException eee) {
log.error("Error trying to close file");
} catch (NullPointerException eee) {
log.debug("Stream was not existing");
}
}
} catch (TopiaException te) {
log.error("An error occurred", te);
} finally {
serviceContext.closeTransaction(newContext);
}
}