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shouts load query factory fixes

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This commit is contained in:
tonyrewin 2022-11-20 06:41:05 +03:00
parent 7b8dac062a
commit 35a3d75fe6
1 changed files with 32 additions and 41 deletions
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51
resolvers/zine.py
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@ -1,12 +1,12 @@
#!/usr/bin/env python3.10
from datetime import datetime, timedelta
import sqlalchemy as sa
from sqlalchemy.orm import selectinload
from sqlalchemy.sql.expression import or_, desc, asc, select, case
from timeit import default_timer as timer
from sqlalchemy.sql.expression import desc, asc, select, case
from auth.authenticate import login_required
from base.orm import local_session
from base.resolvers import mutation, query
from orm.shout import Shout, ShoutAuthor
from orm.shout import Shout
from orm.reaction import Reaction, ReactionKind
# from resolvers.community import community_follow, community_unfollow
from resolvers.profile import author_follow, author_unfollow
@ -55,7 +55,7 @@ async def load_shouts_by(_, info, options):
"""
q = select(Shout).options(
# TODO add cation
# TODO add caption
selectinload(Shout.authors),
selectinload(Shout.topics),
).where(
@ -67,10 +67,7 @@ async def load_shouts_by(_, info, options):
user = info.context["request"].user
q.join(Reaction, Reaction.createdBy == user.slug)
if options.get("filters").get("visibility"):
q = q.filter(or_(
Shout.visibility.ilike(f"%{options.get('filters').get('visibility')}%"),
Shout.visibility.ilike(f"%{'public'}%"),
))
q = q.filter(Shout.visibility == options.get("filters").get("visibility"))
if options.get("filters").get("layout"):
q = q.filter(Shout.layout == options.get("filters").get("layout"))
if options.get("filters").get("author"):
@ -84,13 +81,16 @@ async def load_shouts_by(_, info, options):
if options.get("filters").get("days"):
before = datetime.now() - timedelta(days=int(options.get("filter").get("days")) or 30)
q = q.filter(Shout.createdAt > before)
if options.get("order_by") == 'comments':
q = q.join(Reaction, Shout.slug == Reaction.shout and Reaction.body.is_not(None)).add_columns(
sa.func.count(Reaction.id).label(options.get("order_by")))
if options.get("order_by") == 'reacted':
q = q.join(Reaction).add_columns(sa.func.max(Reaction.createdAt).label(options.get("order_by")))
if options.get("order_by") == "rating":
o = options.get("order_by")
if o:
q = q.add_columns(sa.func.count(Reaction.id).label(o))
if o == 'comments':
q = q.join(Reaction, Shout.slug == Reaction.shout)
q = q.filter(Reaction.body.is_not(None))
elif o == 'reacted':
q = q.join(Reaction).add_columns(sa.func.max(
Reaction.createdAt).label(options.get("order_by")))
elif o == "rating":
q = q.join(Reaction).add_columns(sa.func.sum(case(
(Reaction.kind == ReactionKind.AGREE, 1),
(Reaction.kind == ReactionKind.DISAGREE, -1),
@ -102,31 +102,22 @@ async def load_shouts_by(_, info, options):
(Reaction.kind == ReactionKind.DISLIKE, -1),
else_=0
)).label(options.get("order_by")))
# if order_by == 'views':
# TODO dump ackee data to db periodically
order_by = options.get("order_by") if options.get("order_by") else 'createdAt'
order_by = o
else:
order_by = 'createdAt'
order_by_desc = True if options.get('order_by_desc') is None else options.get('order_by_desc')
query_order_by = desc(order_by) if order_by_desc else asc(order_by)
q = q.group_by(Shout.id).order_by(query_order_by).limit(options.get("limit")).offset(
options.get("offset") if options.get("offset") else 0)
offset = options.get("offset") if options.get("offset") else 0
limit = options.get("limit") or 10
q = q.group_by(Shout.id).order_by(query_order_by).limit(limit).offset(offset)
with local_session() as session:
# post query stats and author's captions
# start = timer()
shouts = list(map(lambda r: r.Shout, session.execute(q)))
for s in shouts:
s.stat = await ReactedStorage.get_shout_stat(s.slug)
for a in s.authors:
a.caption = await ShoutAuthorStorage.get_author_caption(s.slug, a.slug)
# end = timer()
# print(end - start)
# print(q)
return shouts