def find_post_by_category(cls, category_name, page=1, per_page=10):
"""
Find all post publish by specific author
:param category_name: category name
:param page: page index begin at 1
:param per_page:
:return:
"""
if not category_name:
raise InvalidFieldError("category cannot be empty", ["category"])
cat_slug = get_slug_from_string(category_name)
args = {"categories": "`%s`" % cat_slug}
# validate pagination info
if not is_id_valid(page):
page = 1
if int(per_page) <= 0 or int(per_page) >= 50:
per_page = 10
start = (page - 1) * per_page # id in sql start at 1
post_list = DBPost.search(search_dict=args, start=start, per_page=per_page, order_by="time desc")
return post_list
def __init__(self, name):
self.name = name
self.slug = get_slug_from_string(name)
