private CatalogLevel getSetLevel(Catalog catalog) {
if (catalog.getPid() != null && catalog.getPid() > 0) {
Long pid = catalog.getPid();
Catalog pcatalog = catalogDao.findOne(pid);
if (pcatalog.getLevel().ordinal() == CatalogLevel.FIRST.ordinal()) {
return CatalogLevel.SECOND;
} else if (pcatalog.getLevel().ordinal() == CatalogLevel.SECOND.ordinal()) {
return CatalogLevel.THIRD;
} else {
throw new AppException(ErrorCode.ILLEGAL_PARAM, "父栏目非法！");
}
} else {
return CatalogLevel.FIRST;
}
}
@Override
public List<CatalogItem> listCatalogItems() {
List<Catalog> catalogs = findAll();
if (CollectionUtils.isEmpty(catalogs)) return new ArrayList<CatalogItem>();
Map<Long, List<CatalogItem>> thirdChildrenMap = new LinkedHashMap<Long, List<CatalogItem>>();
for (Catalog c : catalogs) {
if (c.getLevel().ordinal() == CatalogLevel.THIRD.ordinal()) {
if (!thirdChildrenMap.containsKey(c.getPid()))
thirdChildrenMap.put(c.getPid(), new ArrayList<CatalogItem>());
CatalogItem ct = new CatalogItem();
ct.setCatalog(c);
thirdChildrenMap.get(c.getPid()).add(ct);
}
}
Map<Long, List<CatalogItem>> secondChildrenMap = new LinkedHashMap<Long, List<CatalogItem>>();
for (Catalog c : catalogs) {
if (c.getLevel().ordinal() == CatalogLevel.SECOND.ordinal()) {
if (!secondChildrenMap.containsKey(c.getPid()))
secondChildrenMap.put(c.getPid(), new ArrayList<CatalogItem>());
CatalogItem ct = new CatalogItem();
ct.setCatalog(c);
ct.setSubCatalog(thirdChildrenMap.get(c.getId()));
secondChildrenMap.get(c.getPid()).add(ct);
}
}
List<CatalogItem> list = new ArrayList<CatalogItem>();
for (Catalog c : catalogs) {
if (c.getLevel().ordinal() == CatalogLevel.FIRST.ordinal()) {
CatalogItem ct = new CatalogItem();
ct.setCatalog(c);
ct.setSubCatalog(secondChildrenMap.get(c.getId()));
list.add(ct);
}
}
return list;
}