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Untone 2024-02-23 22:24:48 +03:00
parent f16f345040
commit fbbc408df6
1 changed files with 3 additions and 129 deletions
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132
resolvers/stat.py
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@ -1,4 +1,4 @@
from sqlalchemy import func, select, distinct, alias
from sqlalchemy import func, distinct
from sqlalchemy.orm import aliased
from orm.topic import TopicFollower, Topic
@ -92,138 +92,12 @@ def get_topics_with_stat(q):
def author_follows_authors(author_id: int):
aliased_shout_authors = aliased(ShoutAuthor)
subquery_shout_author = (
select(
[
aliased_shout_authors.author,
func.count(distinct(aliased_shout_authors.shout)).label('shouts_stat'),
]
)
.group_by(aliased_shout_authors.author)
.where(aliased_shout_authors.author == author_id)
.alias()
)
alias_author_authors = aliased(AuthorFollower)
subquery_author_authors = (
select(
[
alias_author_authors.author,
func.count(distinct(alias_author_authors.author)).label('authors_stat'),
]
)
.group_by(alias_author_authors.author)
.where(alias_author_authors.follower == author_id)
.alias()
)
alias_author_followers = aliased(AuthorFollower)
subquery_author_followers = (
select(
[
alias_author_followers.follower,
func.count(distinct(alias_author_followers.follower)).label('followers_stat'),
]
)
.group_by(alias_author_followers.follower)
.where(alias_author_followers.author == author_id)
.alias()
)
subq_shout_author_alias = alias(subquery_shout_author)
subq_author_followers_alias = alias(
subquery_author_authors, name='subq_author_followers'
)
subq_author_authors_alias = alias(
subquery_author_followers, name='subq_author_authors'
)
authors_query = (
select(
[
Author,
subq_shout_author_alias.shouts_stat,
subq_author_authors_alias.authors_stat,
subq_author_followers_alias.followers_stat,
]
)
.select_from(Author)
.outerjoin(
subq_shout_author_alias, Author.id == subq_shout_author_alias.author
)
.outerjoin(
subq_author_authors_alias, Author.id == subq_author_followers_alias.author
)
.outerjoin(
subq_author_followers_alias,
Author.id == subq_author_followers_alias.follower,
)
)
authors = execute_with_ministat(authors_query)
authors = []
return authors
def author_follows_topics(author_id: int):
subquery_shout_topic = (
select(
[
ShoutTopic.topic,
func.count(distinct(ShoutTopic.shout)).label('shouts_stat'),
]
)
.group_by(ShoutTopic.topic)
.alias()
)
subquery_shout_topic_authors = (
select(
[
ShoutTopic.topic,
func.count(distinct(ShoutTopic.author)).label('authors_stat'),
]
)
.group_by(ShoutTopic.topic)
.alias()
)
subquery_topic_followers = (
select(
[
TopicFollower.topic,
func.count(distinct(TopicFollower.follower)).label('followers_stat'),
]
)
.group_by(TopicFollower.topic)
.alias()
)
topics_query = (
select(
[
Topic,
subquery_shout_topic.columns.shouts_stat,
subquery_shout_topic_authors.columns.authors_stat,
subquery_topic_followers.columns.followers_stat,
]
)
.select_from(Topic)
.outerjoin(
subquery_shout_topic,
Topic.id == subquery_shout_topic.c.topic,
)
.outerjoin(
subquery_shout_topic_authors,
Topic.id == subquery_shout_topic_authors.c.topic,
)
.outerjoin(
subquery_topic_followers,
Topic.id == subquery_topic_followers.c.topic,
)
)
topics = execute_with_ministat(topics_query)
topics = []
return topics