134 lines
4.1 KiB
Python
134 lines
4.1 KiB
Python
from sqlalchemy import and_
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from sqlalchemy.orm import aliased
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from orm.author import AuthorRating, Author
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from orm.reaction import Reaction, ReactionKind
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from orm.shout import Shout
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from services.auth import login_required
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from services.db import local_session
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from services.schema import mutation
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@mutation.field('rate_author')
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@login_required
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async def rate_author(_, info, rated_slug, value):
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user_id = info.context['user_id']
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with local_session() as session:
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rated_author = session.query(Author).filter(Author.slug == rated_slug).first()
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rater = session.query(Author).filter(Author.slug == user_id).first()
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if rater and rated_author:
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rating: AuthorRating = (
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session.query(AuthorRating)
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.filter(
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and_(
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AuthorRating.rater == rater.id,
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AuthorRating.author == rated_author.id,
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)
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)
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.first()
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)
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if rating:
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rating.plus = value > 0
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session.add(rating)
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session.commit()
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return {}
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else:
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try:
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rating = AuthorRating(
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rater=rater.id, author=rated_author.id, plus=value > 0
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)
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session.add(rating)
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session.commit()
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except Exception as err:
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return {'error': err}
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return {}
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def count_author_comments_rating(session, author_id) -> int:
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replied_alias = aliased(Reaction)
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replies_likes = (
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session.query(replied_alias)
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.join(Reaction, replied_alias.id == Reaction.reply_to)
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.where(
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and_(
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replied_alias.created_by == author_id,
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replied_alias.kind == ReactionKind.COMMENT.value,
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)
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)
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.filter(replied_alias.kind == ReactionKind.LIKE.value)
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.count()
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) or 0
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replies_dislikes = (
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session.query(replied_alias)
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.join(Reaction, replied_alias.id == Reaction.reply_to)
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.where(
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and_(
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replied_alias.created_by == author_id,
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replied_alias.kind == ReactionKind.COMMENT.value,
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)
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)
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.filter(replied_alias.kind == ReactionKind.DISLIKE.value)
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.count()
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) or 0
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return replies_likes - replies_dislikes
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def count_author_shouts_rating(session, author_id) -> int:
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shouts_likes = (
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session.query(Reaction, Shout)
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.join(Shout, Shout.id == Reaction.shout)
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.filter(
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and_(
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Shout.authors.any(id=author_id),
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Reaction.kind == ReactionKind.LIKE.value,
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)
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)
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.count()
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or 0
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)
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shouts_dislikes = (
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session.query(Reaction, Shout)
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.join(Shout, Shout.id == Reaction.shout)
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.filter(
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and_(
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Shout.authors.any(id=author_id),
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Reaction.kind == ReactionKind.DISLIKE.value,
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)
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)
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.count()
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or 0
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)
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return shouts_likes - shouts_dislikes
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def load_author_ratings(session, author: Author):
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comments_count = (
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session.query(Reaction)
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.filter(
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and_(
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Reaction.created_by == author.id,
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Reaction.kind == ReactionKind.COMMENT.value,
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Reaction.deleted_at.is_(None),
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)
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)
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.count()
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)
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likes_count = (
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session.query(AuthorRating)
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.filter(and_(AuthorRating.author == author.id, AuthorRating.plus.is_(True)))
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.count()
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)
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dislikes_count = (
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session.query(AuthorRating)
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.filter(and_(AuthorRating.author == author.id, AuthorRating.plus.is_not(True)))
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.count()
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)
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author.stat = author.stat if isinstance(author.stat, dict) else {}
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author.stat['rating'] = likes_count - dislikes_count
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author.stat['rating_shouts'] = count_author_shouts_rating(session, author.id)
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author.stat['rating_comments'] = count_author_comments_rating(session, author.id)
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author.stat['commented'] = comments_count
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return author
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