def find_post_by_author(cls, author_id, page=1, per_page=10):
"""
Find all post publish by specific author
:param author_id: id of author to find post by
:param page: page index begin at 1
:param per_page:
:return:
"""
# valid user if
if not is_id_valid(author_id):
raise InvalidFieldError("author id does not valid.", ["author_id"])
# confirm user existent
author = DBUser.get_by_id(author_id)
if not author:
raise UserNotFoundError("User with id = %d does not exist")
args = {"user_id": author_id}
# 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.get(filter_dict=args, start=start, per_page=per_page, order_by="time desc")
return post_list, author
def get_posts(cls, page=1, per_page=10):
"""
Get many post at a time, order by post time
:param page: page index begin at 1
:param per_page:
:return:
"""
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.get(start=start, per_page=per_page, order_by="time desc")
return post_list