@DELETE
@Path("/feeds/{id}")
public Response remove(@PathParam("id") Long id) {
RssFeed originRssFeed = dao.getById(id);
if (originRssFeed == null) {
System.err.println("RSS item with such ID is not found.");
throw new FeedNotFoundException("RSS item with such ID is not found.");
}
dao.remove(id);
return Response.ok().build();
}
@POST
@Path("/feeds")
@Consumes(MediaType.APPLICATION_JSON)
public Response add(RssFeed rssFeed) {
if (dao.getByLink(rssFeed.getLink()) == null) {
dao.add(rssFeed);
URI location = URI.create("/rss/feeds" + rssFeed.getId());
return Response.created(location).build();
} else {
FeedInfo feedInfo = new FeedInfo();
feedInfo.setInfo(rssFeed);
System.err.println("Such feed is already in the DB");
throw new DataBaseFeedException("Such feed is already in the DB", feedInfo);
}
}
@PUT
@Consumes(MediaType.APPLICATION_JSON)
@Path("/feeds/{id}")
public Response update(@PathParam("id") Long id, RssFeed rssFeed) {
RssFeed originRssFeed = dao.getById(id);
if (originRssFeed == null) {
System.err.println("Nothing to update: no such element by this ID.");
throw new FeedNotFoundException("Nothing to update: no such element by this ID.");
} else {
System.err.print("RSS Feed was found.");
originRssFeed.setName(rssFeed.getName());
originRssFeed.setLink(rssFeed.getLink());
dao.update(originRssFeed);
System.err.println("Updated.");
return Response.ok().build();
}
}
@POST
@Path("/feeds/upload")
@Consumes(MediaType.MULTIPART_FORM_DATA)
public Response upload(@FormDataParam("file") InputStream file) {
FeedParser parser = new FeedParser();
List<RssFeed> feeds = parser.parseFeeds(file);
if (feeds == null) throw new MultiPartQueryException("Unable to read sources from document.");
feeds
.stream()
.forEach(
feed -> {
if (dao.getByLink(feed.getLink()) == null) {
dao.add(feed);
} else throw new DataBaseFeedException("Some feeds are already in the database.");
});
return Response.status(Response.Status.OK).build();
}
@GET
@Path("/feeds/{feed_id}/items/{item_id}")
public ItemInfo getBySource(
@PathParam("feed_id") Long feed_id, @PathParam("item_id") Long item_id) {
RssItem item = dao.getBySource(feed_id, item_id);
if (item == null) throw new ItemsNotFoundException("Item not found.");
ItemInfo information = new ItemInfo();
information.setInfo(item);
return information;
}
@GET
@Path("/feeds")
public List<FeedInfo> getFeeds(
@QueryParam("page") Integer page,
@QueryParam("pageSize") Integer pageSize,
@QueryParam("name") String name) {
List<RssFeed> feeds = dao.getFeeds(page, pageSize, name);
if (feeds.size() == 0) throw new NoFeedsFoundException("No feeds were found in DB.");
FeedInfo feedInfo = new FeedInfo();
List<FeedInfo> information = feedInfo.setFeedListInfo(feeds);
return information;
}