def insert_sensor_to_node(node_id, sensor): """ Adds a new sensor to the node. """ debug(CODE, "INSERT SENSOR TO NODE: params (node_id, sensor):" + \ str(node_id) + " " + str(sensor)) sensor_id = _insert_sensor(sensor) db.sadd(KEY_LIST_SENSORS_IN_NODE + str(node_id), sensor_id) return sensor_id
def insert_post(post, username): # OK
"""
Inserts a new post in the db.
"""
debug("INSERT POST. username: "******"post: " + str(post))
post_id = str(db.incr(POST_ID))
db_post_id = post_id + APPEND_KEY_POSTS
debug("\tASIGNED ID:" + str(post_id))
# Post fields
# Set id
db.hset(db_post_id, KEY_ID, post_id)
# Create the vote counter and set it to 0 votes
vote_id = str(db.incr(VOTE_ID)) # get the next vote id
debug("\tASIGNED POST-VOTE-ID:" + str(vote_id))
db.set(vote_id + APPEND_KEY_VOTE, "0")
# Set the id of the vote counter
db.hset(db_post_id, KEY_VOTES, vote_id)
# Set author
db.hset(db_post_id, KEY_AUTHOR, username)
# Set title
db.hset(db_post_id, KEY_TITLE, post[KEY_TITLE])
# Set date-time
timedatenow = datetime.now()
date = timedatenow.strftime(FORMAT_TIME)
db.hset(db_post_id, KEY_DATE, date)
# Set contents
db.hset(db_post_id, KEY_CONTENTS, post[KEY_CONTENTS])
# Set a new set of tags-post to the db
tag_id = str(db.incr(TAG_ID))
db_tag_id = tag_id + APPEND_KEY_TAG
debug("\tASIGNED POST-TAGS-ID:" + str(tag_id))
for tag in post[KEY_TAGS]:
# Add tag to the tag-post
db.sadd(db_tag_id, tag)
# Add tag to the user's tags
insert_tag_user_tags(username, tag)
## Add tag to the global tags
_insert_tags_global(tag)
# Add to popular
_inc_dec_tag(tag, True)
# Add to the sorted set of tag-name -- post-ids
_insert_post_tag_name(post_id, tag)
# Insert to the index of tags
_insert_symbol_index(tag[0])
# Insert to the specific index of tag[0] -- tags
_insert_tag_index_letter_tags(tag)
# Add link to the tags in the post
db.hset(db_post_id, KEY_TAGS, tag_id)
# Add post id to the head of the user's post-list
db.lpush(username + APPEND_KEY_POSTS, post_id)
## Add post id to the sset of timedate-user-posts
_insert_post_user_date_ss(post_id, timedatenow, username)
## Add post id to the capped list of last post updates
_insert_post_last_updates(post_id)
## Add post's title to the title search sorted set
_insert_title_ss(post[KEY_TITLE], post_id)
debug("POST CREATED")
return get_post(post_id)
def insert_tag_user_tags(username, tag):
"""
Inserts a tag to the user's set of tags.
"""
debug("INSERT TAG :" + tag + ", to:" + username)
# Since it is a set, the elements aren't inserted if present
db.sadd(username + APPEND_KEY_TAG, tag)
# Add to global
_insert_tags_global(tag)
def add_favourite(username, post_id):
""" Adds the specified post to the user's set of favourites. """
if _is_user_created(username):
post_id = str(post_id)
if _is_post_created(post_id):
# If the id is already present the insertion is ignored
db.sadd(username + APPEND_KEY_FAVS, str(post_id))
return True
else:
return False
else:
return False
def insert_tag_post_tags(post_id, tag):
"""
Inserts a tag to the post's set of tags.
"""
get_post_tags(str(post_id))
debug("INSERT TAG to post. tag:" + tag + " post #:" + str(post_id))
# Element isn't inserted if present
if _is_post_created(post_id):
db.sadd(db.hget(post_id + APPEND_KEY_POSTS, KEY_TAGS) + APPEND_KEY_TAG,
tag)
# Add to global tags
_insert_tags_global(tag)
# Add to popular
_inc_dec_tag(tag, True)
# Add to the sorted set of tag-name -- post-ids
_insert_post_tag_name(post_id, tag)
# Insert to the index of tags
_insert_symbol_index(tag[0])
# Insert to the specific index of tag[0] -- tags
_insert_tag_index_letter_tags(tag)
get_post_tags(str(post_id))
def _insert_symbol_index(symbol):
""" Ads a symbol to the index. """
if len(symbol) == 1:
db.sadd(GLOBAL_INDEX_LETTER_TAG, symbol.upper())
def _insert_post_tag_name(post_id, tag_name):
""" Inserts a post id to the set of tag-name -- post-ids. """
db.sadd(tag_name + APPEND_TAG_NAME_POSTS, str(post_id))