Examples with CategoryVO run.halo.app.model.vo.CategoryVO used on opensource projects

Example 1 with CategoryVO

use of run.halo.app.model.vo.CategoryVO in project halo by ruibaby.

the class PostCategoryServiceImpl method walkCategoryTree.

private void walkCategoryTree(List<CategoryVO> categoryTree, Consumer<CategoryVO> consumer) {
    Queue<CategoryVO> queue = new ArrayDeque<>(categoryTree);
    while (!queue.isEmpty()) {
        CategoryVO category = queue.poll();
        consumer.accept(category);
        if (HaloUtils.isNotEmpty(category.getChildren())) {
            queue.addAll(category.getChildren());
        }
    }
}

Example 2 with CategoryVO

use of run.halo.app.model.vo.CategoryVO in project halo by ruibaby.

the class PostCategoryServiceImpl method populatePostIds.

private void populatePostIds(List<CategoryVO> categoryTree) {
    Assert.notNull(categoryTree, "The categoryTree must not be null.");
    Map<Integer, Set<Integer>> categoryPostIdsMap = postCategoryRepository.findAll().stream().collect(Collectors.groupingBy(PostCategory::getCategoryId, Collectors.mapping(PostCategory::getPostId, Collectors.toSet())));
    walkCategoryTree(categoryTree, category -> {
        // Set post count
        Set<Integer> postIds = categoryPostIdsMap.getOrDefault(category.getId(), new LinkedHashSet<>());
        category.setPostIds(postIds);
    });
    CategoryVO categoryTreeRootNode = new CategoryVO();
    categoryTreeRootNode.setChildren(categoryTree);
    mergePostIdsFromBottomToTop(categoryTreeRootNode);
}

Example 3 with CategoryVO

use of run.halo.app.model.vo.CategoryVO in project halo by ruibaby.

the class CategoryServiceImpl method walkCategoryTree.

/**
 * Walk a category tree with root node.
 *
 * @param root a root node of category tree.
 * @return a flattened category list
 */
@NonNull
private List<Category> walkCategoryTree(CategoryVO root) {
    Assert.notNull(root, "The category 'root' must not be null");
    List<Category> categories = new LinkedList<>();
    Queue<CategoryVO> queue = new ArrayDeque<>();
    queue.add(root);
    while (!queue.isEmpty()) {
        CategoryVO categoryNode = queue.poll();
        Category category = new Category();
        BeanUtils.updateProperties(categoryNode, category);
        categories.add(category);
        if (HaloUtils.isNotEmpty(categoryNode.getChildren())) {
            queue.addAll(categoryNode.getChildren());
        }
    }
    return categories;
}

Example 4 with CategoryVO

use of run.halo.app.model.vo.CategoryVO in project halo by ruibaby.

the class CategoryServiceImpl method convertToCategoryVo.

@NonNull
private CategoryVO convertToCategoryVo(Category category) {
    Assert.notNull(category, "The category must not be null.");
    CategoryVO categoryVo = new CategoryVO().convertFrom(category);
    categoryVo.setFullPath(buildCategoryFullPath(categoryVo.getSlug()));
    return categoryVo;
}

Example 5 with CategoryVO

use of run.halo.app.model.vo.CategoryVO in project halo by ruibaby.

the class PostCategoryServiceImpl method mergePostIdsFromBottomToTop.

private void mergePostIdsFromBottomToTop(CategoryVO root) {
    if (root == null) {
        return;
    }
    List<CategoryVO> children = root.getChildren();
    if (CollectionUtils.isEmpty(children)) {
        return;
    }
    for (CategoryVO category : children) {
        mergePostIdsFromBottomToTop(category);
        if (root.getPostIds() == null) {
            root.setPostIds(new LinkedHashSet<>());
        }
        // merge post ids.
        root.getPostIds().addAll(category.getPostIds());
    }
}