removed wicket and tomee, use dropwizard instead. remove wro4j, use gulp instead

src/main/java/com/commafeed/backend/service/FeedSubscriptionService.java

@@ -0,0 +1,109 @@
+package com.commafeed.backend.service;
+
+import java.util.List;
+import java.util.Map;
+
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+
+import org.apache.commons.lang.StringUtils;
+
+import com.commafeed.CommaFeedConfiguration;
+import com.commafeed.backend.cache.CacheService;
+import com.commafeed.backend.dao.FeedEntryStatusDAO;
+import com.commafeed.backend.dao.FeedSubscriptionDAO;
+import com.commafeed.backend.feed.FeedQueues;
+import com.commafeed.backend.feed.FeedUtils;
+import com.commafeed.backend.model.Feed;
+import com.commafeed.backend.model.FeedCategory;
+import com.commafeed.backend.model.FeedSubscription;
+import com.commafeed.backend.model.Models;
+import com.commafeed.backend.model.User;
+import com.commafeed.frontend.model.UnreadCount;
+import com.google.common.collect.Maps;
+
+@Slf4j
+@RequiredArgsConstructor
+public class FeedSubscriptionService {
+
+	@SuppressWarnings("serial")
+	public static class FeedSubscriptionException extends RuntimeException {
+		public FeedSubscriptionException(String msg) {
+			super(msg);
+		}
+	}
+
+	private final FeedEntryStatusDAO feedEntryStatusDAO;
+	private final FeedSubscriptionDAO feedSubscriptionDAO;
+	private final FeedService feedService;
+	private final FeedQueues queues;
+	private final CacheService cache;
+	private final CommaFeedConfiguration config;
+
+	public Feed subscribe(User user, String url, String title, FeedCategory category) {
+
+		final String pubUrl = config.getApplicationSettings().getPublicUrl();
+		if (StringUtils.isBlank(pubUrl)) {
+			throw new FeedSubscriptionException("Public URL of this CommaFeed instance is not set");
+		}
+		if (url.startsWith(pubUrl)) {
+			throw new FeedSubscriptionException("Could not subscribe to a feed from this CommaFeed instance");
+		}
+
+		Feed feed = feedService.findOrCreate(url);
+
+		FeedSubscription sub = feedSubscriptionDAO.findByFeed(user, feed);
+		if (sub == null) {
+			sub = new FeedSubscription();
+			sub.setFeed(feed);
+			sub.setUser(user);
+		}
+		sub.setCategory(category);
+		sub.setPosition(0);
+		sub.setTitle(FeedUtils.truncate(title, 128));
+		feedSubscriptionDAO.saveOrUpdate(sub);
+
+		queues.add(feed, false);
+		cache.invalidateUserRootCategory(user);
+		return feed;
+	}
+
+	public boolean unsubscribe(User user, Long subId) {
+		FeedSubscription sub = feedSubscriptionDAO.findById(user, subId);
+		if (sub != null) {
+			feedSubscriptionDAO.delete(sub);
+			cache.invalidateUserRootCategory(user);
+			return true;
+		} else {
+			return false;
+		}
+	}
+
+	public void refreshAll(User user) {
+		List<FeedSubscription> subs = feedSubscriptionDAO.findAll(user);
+		for (FeedSubscription sub : subs) {
+			Feed feed = sub.getFeed();
+			queues.add(feed, true);
+		}
+	}
+
+	public UnreadCount getUnreadCount(User user, FeedSubscription sub) {
+		UnreadCount count = cache.getUnreadCount(sub);
+		if (count == null) {
+			log.debug("unread count cache miss for {}", Models.getId(sub));
+			count = feedEntryStatusDAO.getUnreadCount(user, sub);
+			cache.setUnreadCount(sub, count);
+		}
+		return count;
+	}
+
+	public Map<Long, UnreadCount> getUnreadCount(User user) {
+		Map<Long, UnreadCount> map = Maps.newHashMap();
+		List<FeedSubscription> subs = feedSubscriptionDAO.findAll(user);
+		for (FeedSubscription sub : subs) {
+			map.put(sub.getId(), getUnreadCount(user, sub));
+		}
+		return map;
+	}
+
+}