def create_post_as(comment: dict) -> str:
""" Given a new Steem post/comment, add it to appropriate community.
For a comment to be valid, these conditions apply:
- Post must be new (edits don't count)
- Author is allowed to post in this community (membership & privacy)
- Author is not muted in this community
Args:
comment (dict): Operation with the post to add.
Returns:
name (str): If all conditions apply, community name we're posting into.
Otherwise, authors own name (blog) is returned.
"""
if comment['json_metadata'] == "":
return None
md = None
try:
md = json.loads(comment['json_metadata'])
except:
return None
if md is not dict or 'community' not in md:
return None
author = comment['author']
community = md['community']
community_props = get_community(community)
if not community_props:
return None
if is_author_muted(author, community):
return None
privacy = privacy_map[community_props['privacy']]
if privacy == 'open':
pass
elif privacy == 'restricted':
# guests cannot create top-level posts in restricted communities
if comment['parent_author'] == "" and get_user_role(
author, community) == 'guest':
return None
elif privacy == 'closed':
# we need at least member permissions to post or comment
if get_user_role(author, community) == 'guest':
return None
return community
def is_community_post_valid(community, comment: dict) -> str:
""" Given a new Steem post/comment, check if valid as per community rules
For a comment to be valid, these conditions apply:
- Post must be new (edits don't count)
- Author is allowed to post in this community (membership & privacy)
- Author is not muted in this community
Args:
community (str): Community intended for this post op
comment (dict): Raw post operation
Returns:
is_valid (bool): If all checks pass, true
"""
if not community:
raise Exception("no community specified")
author = comment['author']
if author == community:
return True
community_props = get_community(community)
if not community_props:
# if this is not a defined community, it's free to post in.
return True
if is_author_muted(author, community):
return False
privacy = privacy_map[community_props['privacy']]
if privacy == 'open':
pass
elif privacy == 'restricted':
# guests cannot create top-level posts in restricted communities
if comment['parent_author'] == "" and get_user_role(
author, community) == 'guest':
return False
elif privacy == 'closed':
# we need at least member permissions to post or comment
if get_user_role(author, community) == 'guest':
return False
return True
def is_author_muted(author_name: str, community_name: str) -> bool:
return get_user_role(author_name, community_name) is 'muted'