118 lines
3.7 KiB
Python
118 lines
3.7 KiB
Python
import random
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from sqlalchemy import and_
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from auth.authenticate import login_required
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from base.orm import local_session
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from base.resolvers import mutation, query
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from orm.topic import Topic, TopicFollower
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from services.zine.shoutscache import ShoutsCache
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from services.zine.topics import TopicStorage
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from services.stat.reacted import ReactedStorage
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from services.stat.topicstat import TopicStat
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from services.stat.viewed import ViewedStorage
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async def get_topic_stat(slug):
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return {
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"shouts": len(TopicStat.shouts_by_topic.get(slug, [])),
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"authors": len(TopicStat.authors_by_topic.get(slug, [])),
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"followers": len(TopicStat.followers_by_topic.get(slug, [])),
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"viewed": await ViewedStorage.get_topic(slug),
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"reacted": len(await ReactedStorage.get_topic(slug)),
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"commented": len(await ReactedStorage.get_topic_comments(slug)),
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"rating": await ReactedStorage.get_topic_rating(slug)
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}
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@query.field("topicsAll")
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async def topics_all(_, _info):
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topics = await TopicStorage.get_topics_all()
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for topic in topics:
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topic.stat = await get_topic_stat(topic.slug)
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return topics
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@query.field("topicsByCommunity")
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async def topics_by_community(_, info, community):
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topics = await TopicStorage.get_topics_by_community(community)
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for topic in topics:
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topic.stat = await get_topic_stat(topic.slug)
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return topics
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@query.field("topicsByAuthor")
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async def topics_by_author(_, _info, author):
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shouts = ShoutsCache.by_author.get(author)
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author_topics = set()
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for s in shouts:
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for tpc in s.topics:
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tpc = await TopicStorage.topics[tpc.slug]
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tpc.stat = await get_topic_stat(tpc.slug)
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author_topics.add(tpc)
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return list(author_topics)
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@mutation.field("createTopic")
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@login_required
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async def create_topic(_, _info, inp):
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with local_session() as session:
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# TODO: check user permissions to create topic for exact community
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new_topic = Topic.create(**inp)
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session.add(new_topic)
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session.commit()
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await TopicStorage.update_topic(new_topic)
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return {"topic": new_topic}
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@mutation.field("updateTopic")
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@login_required
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async def update_topic(_, _info, inp):
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slug = inp["slug"]
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with local_session() as session:
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topic = session.query(Topic).filter(Topic.slug == slug).first()
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if not topic:
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return {"error": "topic not found"}
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else:
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topic.update(**inp)
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session.commit()
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await TopicStorage.update_topic(topic.slug)
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return {"topic": topic}
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async def topic_follow(user, slug):
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with local_session() as session:
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following = TopicFollower.create(topic=slug, follower=user.slug)
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session.add(following)
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session.commit()
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await TopicStorage.update_topic(slug)
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async def topic_unfollow(user, slug):
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with local_session() as session:
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sub = (
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session.query(TopicFollower)
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.filter(
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and_(TopicFollower.follower == user.slug, TopicFollower.topic == slug)
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)
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.first()
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)
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if not sub:
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raise Exception("[resolvers.topics] follower not exist")
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else:
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session.delete(sub)
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session.commit()
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await TopicStorage.update_topic(slug)
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@query.field("topicsRandom")
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async def topics_random(_, info, amount=12):
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topics = await TopicStorage.get_topics_all()
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normalized_topics = []
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for topic in topics:
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topic.stat = await get_topic_stat(topic.slug)
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if topic.stat["shouts"] > 2:
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normalized_topics.append(topic)
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sample_length = min(len(normalized_topics), amount)
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return random.sample(normalized_topics, sample_length)
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