public ItemPresentation(Item item, String previous, Boolean loadParents) {
this.uri = item.getUri();
this.content = item.getTaggedContent();
this.previous = previous;
number = item.getNumber();
next = item.getNext();
parents = loadParents ? getParents(item.getNumber()) : null;
}
@RequestMapping
@ResponseBody
public ItemPresentation get(@RequestParam String number) {
final Item item = itemDao.getByNumber(number);
notNull(item, format("Item `%s` not found", number));
if (item.getNext() != null) {
taskExecutor.execute(
new Runnable() {
@Override
public void run() {
final Item nextItem = itemDao.get(item.getNext());
taggingUpdater.update(nextItem);
}
});
}
return new ItemPresentation(item, generate(Item.class, getPrev(item.getNumber())), true);
}
@RequestMapping("range")
@ResponseBody
public List<ItemPresentation> get(@RequestParam String from, @RequestParam String to) {
Item item = itemDao.getByNumber(from);
notNull(item, format("Item `%s` not found", from));
notNull(itemDao.getByNumber(to), format("Item `%s` not found", to));
List<ItemPresentation> items = new ArrayList<ItemPresentation>();
final ItemPresentation itemPresentation = new ItemPresentation(item);
// itemPresentation.parents = getParents(item.getNumber());
items.add(itemPresentation);
while (!item.getNumber().equals(to)) {
item = itemDao.get(item.getNext());
items.add(new ItemPresentation(item));
if (items.size() > MAXIMUM_RANGE_SIZE) {
throw new RuntimeException(format("Maximum range size reached (from %s to %s)", from, to));
}
}
return items;
}