def _delete_tag_from_all_user_posts(username, tag):
"""
Deletes a tag from all the posts a given user has.
"""
debug("DELETE TAG FROM USER POSTS. tag:" + tag + ", user:" + username)
for post_id in db.lrange(username + APPEND_KEY_POSTS, 0, -1):
delete_tag_from_post(post_id, tag)
def get_last_post_updates():
""" Gets the last post updates. """
post_ids = db.lrange(GLOBAL_POST_UPDATE_ID, 0, -1)
ret = []
for post_id in post_ids:
post = get_post(post_id)
if post != None:
ret.append(post)
return ret
def get_posts(username, int_page=0): # OK
"""
Returns all the posts written by a user, ordered by latest - oldest.
int_page: is used for the pagination.
"""
debug("GET POSTS OF USER: " + username)
if _is_user_created(username):
if int_page == 0:
# Return all the posts
posts_ids = db.lrange(username + APPEND_KEY_POSTS, 0, -1)
else:
# Get the posts specified in the pagination
posts_ids = db.lrange(username + APPEND_KEY_POSTS,
# Start index
(int_page - 1) * API_PAGINATION,
# End index (included in lrange)
int_page * API_PAGINATION - 1)
posts = []
for key in posts_ids:
posts.append(get_post(key))
return posts
else:
return None
def _get_posts(username):
""" Returns the posts ids of a user. """
return db.lrange(username + APPEND_KEY_POSTS, 0, -1)