private Category buildCategory(
Long id,
List<FeedCategory> categories,
List<FeedSubscription> subscriptions,
Map<Long, UnreadCount> unreadCount) {
Category category = new Category();
category.setId(String.valueOf(id));
category.setExpanded(true);
for (FeedCategory c : categories) {
if ((id == null && c.getParent() == null)
|| (c.getParent() != null && ObjectUtils.equals(c.getParent().getId(), id))) {
Category child = buildCategory(c.getId(), categories, subscriptions, unreadCount);
child.setId(String.valueOf(c.getId()));
child.setName(c.getName());
child.setPosition(c.getPosition());
if (c.getParent() != null && c.getParent().getId() != null) {
child.setParentId(String.valueOf(c.getParent().getId()));
}
child.setExpanded(!c.isCollapsed());
category.getChildren().add(child);
}
}
Collections.sort(
category.getChildren(),
new Comparator<Category>() {
@Override
public int compare(Category o1, Category o2) {
return ObjectUtils.compare(o1.getPosition(), o2.getPosition());
}
});
for (FeedSubscription subscription : subscriptions) {
if ((id == null && subscription.getCategory() == null)
|| (subscription.getCategory() != null
&& ObjectUtils.equals(subscription.getCategory().getId(), id))) {
UnreadCount uc = unreadCount.get(subscription.getId());
Subscription sub =
Subscription.build(subscription, applicationSettingsService.get().getPublicUrl(), uc);
category.getFeeds().add(sub);
}
}
Collections.sort(
category.getFeeds(),
new Comparator<Subscription>() {
@Override
public int compare(Subscription o1, Subscription o2) {
return ObjectUtils.compare(o1.getPosition(), o2.getPosition());
}
});
return category;
}
@GET
@Path("/get")
@ApiOperation(
value = "Get feed categories",
notes = "Get all categories and subscriptions of the user",
responseClass = "com.commafeed.frontend.model.Category")
public Response getSubscriptions() {
User user = getUser();
Category root = cache.getUserRootCategory(user);
if (root == null) {
log.debug("tree cache miss for {}", user.getId());
List<FeedCategory> categories = feedCategoryDAO.findAll(user);
List<FeedSubscription> subscriptions = feedSubscriptionDAO.findAll(user);
Map<Long, UnreadCount> unreadCount = feedSubscriptionService.getUnreadCount(user);
root = buildCategory(null, categories, subscriptions, unreadCount);
root.setId("all");
root.setName("All");
cache.setUserRootCategory(user, root);
}
return Response.ok(root).build();
}