def delete_post(post_id, username):
"""
Deletes a post (as well as its related set of tags).
"""
debug("DELETE POST. username:"******",post:" + str(post_id))
post_id = str(post_id)
if _is_post_created(post_id):
# Delete each of the tags (to decrement the score in the ranking)
for temp_tag in get_post_tags(post_id):
delete_tag_from_post(post_id, temp_tag)
# Delete the set of tags that the post has
tags_id = db.hget(post_id + APPEND_KEY_POSTS, KEY_TAGS)
db.delete(tags_id + APPEND_KEY_TAG)
# Delete the counter of votes that the post has
votes_id = db.hget(post_id + APPEND_KEY_POSTS, KEY_VOTES)
db.delete(votes_id + APPEND_KEY_VOTE)
# Delete the post from the sorted set of posts by date
db.zrem(username + APPEND_SEARCH_POST_TIMEDATE, post_id)
# Delete the post id from the user's post list
# (1 is the number of items to be removed)
db.lrem(username + APPEND_KEY_POSTS, 1, post_id)
# Delete the post from the last updates
_delete_post_last_updates(post_id)
# Delete the post from the global ranking
db.zrem(POPULAR_TOP_POSTS, post_id)
# Delete the hash of the post
db.delete(post_id + APPEND_KEY_POSTS)
"""
db.hdel(post_id + APPEND_KEY_POSTS, KEY_TAGS)
db.hdel(post_id + APPEND_KEY_POSTS, KEY_TITLE)
db.hdel(post_id + APPEND_KEY_POSTS, KEY_DATE)
db.hdel(post_id + APPEND_KEY_POSTS, KEY_CONTENTS)
"""
return True
else:
return False
def _delete_post_last_updates(post_id):
""" Removes the post from the capped list of last updates if present. """
db.lrem(GLOBAL_POST_UPDATE_ID, 1, post_id)