def index():
boards = Board.all()
# you can set the quantity of unreplied_post by list slicing
unreplied_posts = [p for p in Post.cache_all() if len(p.replies()) == 0]
board_name = request.args.get('tab', '全部')
# current_page is str passed from url
# page 1 by default
current_page = int(request.args.get('page', 1))
if board_name == '全部':
# top_posts = Post.find_all(top=True)
# ordinary_posts = Post.find_all(top=False)
# for performance
ordinary_posts = Post.cache_all()
top_posts = find_all_and_separate(ordinary_posts, top=True)
top_posts = sorted(top_posts, key=lambda post: post.ct, reverse=True)
ordinary_posts = sorted(ordinary_posts,
key=lambda post: post.ct,
reverse=True)
sorted_posts = top_posts + ordinary_posts
else:
board = Board.find_by(name=board_name)
if board is not None:
# posts = Post.find_all(board_id=board.id)
# top_posts = [p for p in posts if p.top == True]
# ordinary_posts = [p for p in posts if p.top == False]
# for performance
ordinary_posts = Post.find_all(board_id=board.id)
top_posts = find_all_and_separate(ordinary_posts, top=True)
top_posts = sorted(top_posts,
key=lambda post: post.ct,
reverse=True)
ordinary_posts = sorted(ordinary_posts,
key=lambda post: post.ct,
reverse=True)
sorted_posts = top_posts + ordinary_posts
# print('sorted_posts', len(sorted_posts))
else:
# in order to keep the consistency down here
# we give the sorted_posts empty list
sorted_posts = []
page = Pagination(len(sorted_posts), current_page)
data = page.data_by_page(sorted_posts)
return render_template('index.html',
data=data,
page=page,
unreplied_posts=unreplied_posts,
boards=boards)
