core/services/stat/topicstat.py
2022-09-07 22:36:40 +03:00

89 lines
3.0 KiB
Python

import asyncio
from base.orm import local_session
from services.stat.reacted import ReactedStorage
from services.stat.viewed import ViewedStorage
from services.zine.shoutauthor import ShoutAuthorStorage
from orm.topic import ShoutTopic, TopicFollower
def unique(list1):
# insert the list to the set
list_set = set(list1)
# convert the set to the list
unique_list = (list(list_set))
return unique_list
class TopicStat:
shouts_by_topic = {}
authors_by_topic = {}
followers_by_topic = {}
lock = asyncio.Lock()
period = 30 * 60 # sec
@staticmethod
async def load_stat(session):
self = TopicStat
shout_topics = session.query(ShoutTopic).all()
for shout_topic in shout_topics:
topic = shout_topic.topic
shout = shout_topic.shout
if not self.shouts_by_topic.get(topic):
self.shouts_by_topic[topic] = []
self.shouts_by_topic[topic].append(shout)
authors = await ShoutAuthorStorage.get_authors(shout)
if not self.authors_by_topic.get(topic):
self.authors_by_topic[topic] = []
self.authors_by_topic[topic] = unique(self.authors_by_topic[topic] + authors)
print("[stat.topics] authors sorted")
print("[stat.topics] shouts sorted")
self.followers_by_topic = {}
followings = session.query(TopicFollower)
for flw in followings:
topic = flw.topic
user = flw.follower
if topic in self.followers_by_topic:
self.followers_by_topic[topic].append(user)
else:
self.followers_by_topic[topic] = [user, ]
print("[stat.topics] followers sorted")
@staticmethod
async def get_shouts(topic):
self = TopicStat
async with self.lock:
return self.shouts_by_topic.get(topic, [])
@staticmethod
async def get_stat(topic):
self = TopicStat
async with self.lock:
shouts = self.shouts_by_topic.get(topic, [])
followers = self.followers_by_topic.get(topic, [])
authors = self.authors_by_topic.get(topic, [])
return {
"shouts": len(shouts),
"authors": len(authors),
"followers": len(followers),
"viewed": await ViewedStorage.get_topic(topic),
"reacted": len(await ReactedStorage.get_topic(topic)),
"commented": len(await ReactedStorage.get_topic_comments(topic)),
"rating": await ReactedStorage.get_topic_rating(topic),
}
@staticmethod
async def worker():
self = TopicStat
while True:
try:
with local_session() as session:
async with self.lock:
await self.load_stat(session)
print("[stat.topics] periodical update")
except Exception as err:
print("[stat.topics] errror: %s" % (err))
await asyncio.sleep(self.period)