core/services/zine/topics.py
2022-11-19 16:18:17 +03:00

69 lines
1.9 KiB
Python

import asyncio
from orm.topic import Topic
class TopicStorage:
topics = {}
lock = asyncio.Lock()
@staticmethod
def init(session):
self = TopicStorage
topics = session.query(Topic)
self.topics = dict([(topic.slug, topic) for topic in topics])
for tpc in self.topics.values():
# self.load_parents(tpc)
pass
print("[zine.topics] %d precached" % len(self.topics.keys()))
# @staticmethod
# def load_parents(topic):
# self = TopicStorage
# parents = []
# for parent in self.topics.values():
# if topic.slug in parent.children:
# parents.append(parent.slug)
# topic.parents = parents
# return topic
@staticmethod
async def get_topics_all():
self = TopicStorage
async with self.lock:
return list(self.topics.values())
@staticmethod
async def get_topics_by_slugs(slugs):
self = TopicStorage
async with self.lock:
if not slugs:
return self.topics.values()
topics = filter(lambda topic: topic.slug in slugs, self.topics.values())
return list(topics)
@staticmethod
async def get_topics_by_community(community):
self = TopicStorage
async with self.lock:
topics = filter(
lambda topic: topic.community == community, self.topics.values()
)
return list(topics)
@staticmethod
async def get_topics_by_author(author):
self = TopicStorage
async with self.lock:
topics = filter(
lambda topic: topic.community == author, self.topics.values()
)
return list(topics)
@staticmethod
async def update_topic(topic):
self = TopicStorage
async with self.lock:
self.topics[topic.slug] = topic
# self.load_parents(topic)