/**
* Retrieves the specified attachment from a ticket.
*
* @param repository
* @param ticketId
* @param filename
* @return an attachment, if found, null otherwise
*/
@Override
public Attachment getAttachment(RepositoryModel repository, long ticketId, String filename) {
if (ticketId <= 0L) {
return null;
}
// deserialize the ticket model so that we have the attachment metadata
TicketModel ticket = getTicket(repository, ticketId);
Attachment attachment = ticket.getAttachment(filename);
// attachment not found
if (attachment == null) {
return null;
}
// retrieve the attachment content
Repository db = repositoryManager.getRepository(repository.name);
try {
String attachmentPath = toAttachmentPath(ticketId, attachment.name);
RevTree tree = JGitUtils.getCommit(db, BRANCH).getTree();
byte[] content = JGitUtils.getByteContent(db, tree, attachmentPath, false);
attachment.content = content;
attachment.size = content.length;
return attachment;
} finally {
db.close();
}
}
/**
* Retrieves the ticket from the repository by first looking-up the changeId associated with the
* ticketId.
*
* @param repository
* @param ticketId
* @return a ticket, if it exists, otherwise null
*/
@Override
protected TicketModel getTicketImpl(RepositoryModel repository, long ticketId) {
Repository db = repositoryManager.getRepository(repository.name);
try {
List<Change> changes = getJournal(db, ticketId);
if (ArrayUtils.isEmpty(changes)) {
log.warn("Empty journal for {}:{}", repository, ticketId);
return null;
}
TicketModel ticket = TicketModel.buildTicket(changes);
if (ticket != null) {
ticket.project = repository.projectPath;
ticket.repository = repository.name;
ticket.number = ticketId;
}
return ticket;
} finally {
db.close();
}
}
/**
* Returns all the tickets in the repository. Querying tickets from the repository requires
* deserializing all tickets. This is an expensive process and not recommended. Tickets are
* indexed by Lucene and queries should be executed against that index.
*
* @param repository
* @param filter optional filter to only return matching results
* @return a list of tickets
*/
@Override
public List<TicketModel> getTickets(RepositoryModel repository, TicketFilter filter) {
List<TicketModel> list = new ArrayList<TicketModel>();
Repository db = repositoryManager.getRepository(repository.name);
try {
RefModel ticketsBranch = getTicketsBranch(db);
if (ticketsBranch == null) {
return list;
}
// Collect the set of all json files
List<PathModel> paths = JGitUtils.getDocuments(db, Arrays.asList("json"), BRANCH);
// Deserialize each ticket and optionally filter out unwanted tickets
for (PathModel path : paths) {
String name = path.name.substring(path.name.lastIndexOf('/') + 1);
if (!JOURNAL.equals(name)) {
continue;
}
String json = readTicketsFile(db, path.path);
if (StringUtils.isEmpty(json)) {
// journal was touched but no changes were written
continue;
}
try {
// Reconstruct ticketId from the path
// id/26/326/journal.json
String tid = path.path.split("/")[2];
long ticketId = Long.parseLong(tid);
List<Change> changes = TicketSerializer.deserializeJournal(json);
if (ArrayUtils.isEmpty(changes)) {
log.warn("Empty journal for {}:{}", repository, path.path);
continue;
}
TicketModel ticket = TicketModel.buildTicket(changes);
ticket.project = repository.projectPath;
ticket.repository = repository.name;
ticket.number = ticketId;
// add the ticket, conditionally, to the list
if (filter == null) {
list.add(ticket);
} else {
if (filter.accept(ticket)) {
list.add(ticket);
}
}
} catch (Exception e) {
log.error(
"failed to deserialize {}/{}\n{}",
new Object[] {repository, path.path, e.getMessage()});
log.error(null, e);
}
}
// sort the tickets by creation
Collections.sort(list);
return list;
} finally {
db.close();
}
}