cache-events-fix

This commit is contained in:
2024-03-12 14:59:36 +03:00
parent 91ffcb85df
commit 37319c2091
5 changed files with 142 additions and 132 deletions

View File

@@ -2,7 +2,7 @@ import asyncio
import json
import time
from sqlalchemy import select, or_, and_, text, desc, literal
from sqlalchemy import select, or_, and_, text, desc
from sqlalchemy.orm import aliased
from sqlalchemy_searchable import search
@@ -52,7 +52,7 @@ async def get_author(_, _info, slug='', author_id=None):
if author_id:
cache = await redis.execute('GET', f'id:{author_id}:author')
logger.debug(f'result from cache: {cache}')
q = select(Author).where(Author.id == literal(author_id))
q = select(Author).where(Author.id == author_id)
author_dict = None
if cache:
author_dict = json.loads(cache)

View File

@@ -2,7 +2,7 @@ import json
import time
from typing import List
from sqlalchemy import select, or_, column
from sqlalchemy import select, or_
from sqlalchemy.sql import and_
from orm.author import Author, AuthorFollower
@@ -34,7 +34,7 @@ async def follow(_, info, what, slug):
user_id = info.context.get('user_id')
if not user_id:
return {"error": "unauthorized"}
[follower] = get_with_stat(select(Author).select_from(Author).filter(column(Author.user) == user_id))
[follower] = get_with_stat(select(Author).select_from(Author).filter(Author.user == user_id))
if not follower:
return {"error": "cant find follower"}
@@ -42,7 +42,7 @@ async def follow(_, info, what, slug):
error = author_follow(follower.id, slug)
if not error:
logger.debug(f'@{follower.slug} followed @{slug}')
[author] = get_with_stat(select(Author).select_from(Author).where(column(Author.slug) == slug))
[author] = get_with_stat(select(Author).select_from(Author).where(Author.slug == slug))
if not author:
return {"error": "author is not found"}
follows = await update_follows_for_author(follower, 'author', author.dict(), True)
@@ -52,7 +52,7 @@ async def follow(_, info, what, slug):
elif what == 'TOPIC':
error = topic_follow(follower.id, slug)
if not error:
[topic] = get_with_stat(select(Topic).where(column(Topic.slug) == slug))
[topic] = get_with_stat(select(Topic).where(Topic.slug == slug))
if not topic:
return {"error": "topic is not found"}
follows = await update_follows_for_author(follower, 'topic', topic.dict(), True)
@@ -63,7 +63,7 @@ async def follow(_, info, what, slug):
elif what == 'SHOUT':
error = reactions_follow(follower.id, slug)
if not error:
[shout] = local_session().execute(select(Shout).where(column(Shout.slug) == slug))
[shout] = local_session().execute(select(Shout).where(Shout.slug == slug))
if not shout:
return {"error": "cant find shout"}
follows = await update_follows_for_author(follower, 'shout', shout.dict(), True)
@@ -79,7 +79,7 @@ async def unfollow(_, info, what, slug):
user_id = info.context.get('user_id')
if not user_id:
return {"error": "unauthorized"}
follower_query = select(Author).filter(column(Author.user) == user_id)
follower_query = select(Author).filter(Author.user == user_id)
[follower] = get_with_stat(follower_query)
if not follower:
return {"error": "follower profile is not found"}
@@ -88,7 +88,7 @@ async def unfollow(_, info, what, slug):
error = author_unfollow(follower.id, slug)
if not error:
logger.info(f'@{follower.slug} unfollowing @{slug}')
[author] = get_with_stat(select(Author).where(column(Author.slug) == slug))
[author] = get_with_stat(select(Author).where(Author.slug == slug))
if not author:
return {"error": "cant find author"}
_followers = await update_followers_for_author(follower, author, False)
@@ -99,7 +99,7 @@ async def unfollow(_, info, what, slug):
error = topic_unfollow(follower.id, slug)
if not error:
logger.info(f'@{follower.slug} unfollowing §{slug}')
[topic] = get_with_stat(select(Topic).where(column(Topic.slug) == slug))
[topic] = get_with_stat(select(Topic).where(Topic.slug == slug))
if not topic:
return {"error": "cant find topic"}
follows = await update_follows_for_author(follower, 'topic', topic.dict(), False)
@@ -111,7 +111,7 @@ async def unfollow(_, info, what, slug):
error = reactions_unfollow(follower.id, slug)
if not error:
logger.info(f'@{follower.slug} unfollowing §{slug}')
[shout] = local_session().execute(select(Shout).where(column(Shout.slug) == slug))
[shout] = local_session().execute(select(Shout).where(Shout.slug == slug))
if not shout:
return {"error": "cant find shout"}
if not error:
@@ -276,8 +276,8 @@ def author_unfollow(follower_id, slug):
def get_topic_followers(_, _info, slug: str, topic_id: int) -> List[Author]:
q = select(Author)
q = (
q.join(TopicFollower, column(TopicFollower.follower) == Author.id)
.join(Topic, column(Topic.id) == column(TopicFollower.topic))
q.join(TopicFollower, TopicFollower.follower == Author.id)
.join(Topic, Topic.id == TopicFollower.topic)
.filter(or_(Topic.slug == slug, Topic.id == topic_id))
)
return get_with_stat(q)

View File

@@ -6,6 +6,7 @@ from orm.topic import TopicFollower, Topic
from services.db import local_session
from orm.author import AuthorFollower, Author, AuthorRating
from orm.shout import ShoutTopic, ShoutAuthor, Shout
from services.logger import root_logger as logger
def add_topic_stat_columns(q):
@@ -16,26 +17,26 @@ def add_topic_stat_columns(q):
q = (
q.outerjoin(aliased_shout_topic, aliased_shout_topic.topic == Topic.id)
.add_columns(
func.count(distinct(aliased_shout_topic.shout)).label('shouts_stat')
func.count(distinct(aliased_shout_topic.shout)).label("shouts_stat")
)
.outerjoin(
aliased_shout_author,
aliased_shout_topic.shout == aliased_shout_author.shout,
)
.add_columns(
func.count(distinct(aliased_shout_author.author)).label('authors_stat')
func.count(distinct(aliased_shout_author.author)).label("authors_stat")
)
.outerjoin(aliased_topic_follower)
.add_columns(
func.count(distinct(aliased_topic_follower.follower)).label(
'followers_stat'
"followers_stat"
)
)
)
# Create a subquery for comments count
_sub_comments = (
select(
Shout.id, func.coalesce(func.count(Reaction.id), 0).label('comments_count')
Shout.id, func.coalesce(func.count(Reaction.id), 0).label("comments_count")
)
.join(
Reaction,
@@ -66,23 +67,23 @@ def add_author_stat_columns(q):
q = q.outerjoin(aliased_shout_author, aliased_shout_author.author == Author.id)
q = q.add_columns(
func.count(distinct(aliased_shout_author.shout)).label('shouts_stat')
func.count(distinct(aliased_shout_author.shout)).label("shouts_stat")
)
q = q.outerjoin(aliased_authors, aliased_authors.follower == Author.id)
q = q.add_columns(
func.count(distinct(aliased_authors.author)).label('authors_stat')
func.count(distinct(aliased_authors.author)).label("authors_stat")
)
q = q.outerjoin(aliased_followers, aliased_followers.author == Author.id)
q = q.add_columns(
func.count(distinct(aliased_followers.follower)).label('followers_stat')
func.count(distinct(aliased_followers.follower)).label("followers_stat")
)
# Create a subquery for comments count
sub_comments = (
select(
Author.id, func.coalesce(func.count(Reaction.id), 0).label('comments_stat')
Author.id, func.coalesce(func.count(Reaction.id), 0).label("comments_stat")
)
.outerjoin(
Reaction,
@@ -99,23 +100,10 @@ def add_author_stat_columns(q):
q = q.outerjoin(sub_comments, Author.id == sub_comments.c.id)
q = q.add_columns(sub_comments.c.comments_stat)
# Create a subquery for topics
_sub_topics = (
select(
ShoutAuthor.author,
func.count(distinct(ShoutTopic.topic)).label('topics_stat'),
)
.join(Shout, ShoutTopic.shout == Shout.id)
.join(ShoutAuthor, Shout.id == ShoutAuthor.shout)
.group_by(ShoutAuthor.author)
.subquery()
q = q.group_by(
Author.id, sub_comments.c.comments_stat
)
# q = q.outerjoin(sub_topics, Author.id == sub_topics.c.author)
# q = q.add_columns(sub_topics.c.topics_stat)
q = q.group_by(Author.id, sub_comments.c.comments_stat) #, sub_topics.c.topics_stat)
return q
@@ -124,7 +112,7 @@ def add_author_ratings(q):
ratings_subquery = (
select(
[
aliased_author.id.label('author_id'),
aliased_author.id.label("author_id"),
func.count()
.filter(
and_(
@@ -133,12 +121,12 @@ def add_author_ratings(q):
Reaction.deleted_at.is_(None),
)
)
.label('comments_count'),
.label("comments_count"),
func.sum(case((AuthorRating.plus == true(), 1), else_=0)).label(
'likes_count'
"likes_count"
),
func.sum(case((AuthorRating.plus != true(), 1), else_=0)).label(
'dislikes_count'
"dislikes_count"
),
func.sum(
case(
@@ -151,7 +139,7 @@ def add_author_ratings(q):
),
else_=0,
)
).label('shouts_likes'),
).label("shouts_likes"),
func.sum(
case(
(
@@ -163,7 +151,7 @@ def add_author_ratings(q):
),
else_=0,
)
).label('shouts_dislikes'),
).label("shouts_dislikes"),
]
)
.select_from(aliased_author)
@@ -171,42 +159,47 @@ def add_author_ratings(q):
.outerjoin(Shout, Shout.authors.any(id=aliased_author.id))
.filter(Reaction.deleted_at.is_(None))
.group_by(aliased_author.id)
.alias('ratings_subquery')
.alias("ratings_subquery")
)
return q.join(ratings_subquery, Author.id == ratings_subquery.c.author_id)
def get_with_stat(q):
is_author = f'{q}'.lower().startswith('select author')
is_topic = f'{q}'.lower().startswith('select topic')
if is_author:
q = add_author_stat_columns(q)
# q = add_author_ratings(q) # TODO: move rating to cols down there
elif is_topic:
q = add_topic_stat_columns(q)
records = []
# logger.debug(f'{q}'.replace('\n', ' '))
with local_session() as session:
for cols in session.execute(q):
entity = cols[0]
entity.stat = {}
entity.stat['shouts'] = cols[1]
entity.stat['authors'] = cols[2]
entity.stat['followers'] = cols[3]
if is_author:
entity.stat['comments'] = cols[4]
# entity.stat['topics'] = cols[5]
# entity.stat['rating'] = cols[5] - cols[6]
# entity.stat['rating_shouts'] = cols[7] - cols[8]
records.append(entity)
try:
is_author = f"{q}".lower().startswith("select author")
is_topic = f"{q}".lower().startswith("select topic")
if is_author:
q = add_author_stat_columns(q)
# q = add_author_ratings(q) # TODO: move rating to cols down there
elif is_topic:
q = add_topic_stat_columns(q)
records = []
# logger.debug(f'{q}'.replace('\n', ' '))
with local_session() as session:
for cols in session.execute(q):
entity = cols[0]
if not isinstance(entity, dict):
entity = entity.dict()
stat = dict()
stat["shouts"] = cols[1]
stat["authors"] = cols[2]
stat["followers"] = cols[3]
if is_author:
stat["comments"] = cols[4]
# entity.stat['topics'] = cols[5]
# entity.stat['rating'] = cols[5] - cols[6]
# entity.stat['rating_shouts'] = cols[7] - cols[8]
entity['stat'] = stat
records.append(entity)
except Exception as exc:
logger.debug(cols)
raise Exception(exc)
return records
def author_follows_authors(author_id: int):
af = aliased(AuthorFollower, name='af')
af = aliased(AuthorFollower, name="af")
q = (
select(Author)
.select_from(join(Author, af, Author.id == af.author))