@SuppressWarnings("unchecked")
@GET
@Produces(MediaType.APPLICATION_JSON)
public Response volumes(
@QueryParam("categoryId") Long categoryId,
@QueryParam("page") Integer page,
@QueryParam("q") String q) {
Volumes volumes = new Volumes();
VolumeDAO volumeDAO = DAOFactory.getInstance().getVolumeDAO();
FullTextSession fts = org.hibernate.search.Search.getFullTextSession(volumeDAO.getSession());
try {
Query query = buildLuceneQuery(categoryId, page, q);
FullTextQuery createFullTextQuery =
fts.createFullTextQuery(query, com.book.identification.model.Volume.class);
addPaginationToQuery(createFullTextQuery, page);
List<Volume> list = createFullTextQuery.list();
for (Volume volume : list) {
volume.setPage(page);
volume.setQ(q);
}
volumes.setVolumes(createFullTextQuery.list());
} catch (ParseException e1) {
e1.printStackTrace();
}
if (volumes.getVolumes().isEmpty()) {
return Response.ok("volumes : {}").build();
}
return Response.ok(volumes).build();
}
private Query buildLuceneQuery(Long categoryId, Integer page, String q) throws ParseException {
StringBuilder query = new StringBuilder();
QueryParser queryParser =
new org.apache.lucene.queryParser.QueryParser(
Version.LUCENE_31, "title", new StandardAnalyzer((Version.LUCENE_31)));
if (StringUtils.isNotBlank(q)) {
query.append(buildQuery(q));
}
if (categoryId != null) {
List<Long> childCategories =
DAOFactory.getInstance().getCategoryDAO().childCategories(categoryId);
if (StringUtils.isNotBlank(q)) {
query.append("AND ( " + buildQuery(childCategories) + ")");
} else {
query.append(buildQuery(childCategories));
}
buildQuery(childCategories);
}
if (!StringUtils.isNotBlank(query)) {
query.append("id:*");
}
queryParser.setAllowLeadingWildcard(true);
return queryParser.parse(query.toString());
}
@GET
@Produces(MediaType.APPLICATION_JSON)
@Path("reindex/")
public Response reindex() {
VolumeDAO volumeDAO = DAOFactory.getInstance().getVolumeDAO();
FullTextSession fts = org.hibernate.search.Search.getFullTextSession(volumeDAO.getSession());
try {
fts.createIndexer().startAndWait();
} catch (InterruptedException e) {
e.printStackTrace();
}
return Response.ok("reindex").build();
}
@GET
@Produces(MediaType.APPLICATION_JSON)
@Path("hash/")
public Response hashing() throws IOException {
VolumeDAO volumeDAO = DAOFactory.getInstance().getVolumeDAO();
List<Volume> findAll = volumeDAO.findAll();
Transaction beginTransaction = volumeDAO.getSession().beginTransaction();
for (Volume volume : findAll) {
String fileSHA1 = DigestUtils.shaHex(FileUtils.openInputStream(new File(volume.getPath())));
volume.setHashSH1(fileSHA1);
}
beginTransaction.commit();
return Response.ok("hashed").build();
}