my feed query fixed

This commit is contained in:
bniwredyc 2023-07-05 16:08:17 +02:00
parent be7b79e181
commit f52b068b7d
2 changed files with 40 additions and 29 deletions

View File

@ -129,6 +129,23 @@ async def load_shout(_, info, slug=None, shout_id=None):
raise ObjectNotExist("Slug was not found: %s" % slug)
def add_viewed_stat(session, shouts_map):
viewed_stat_query = select(
Shout.id
).where(
Shout.id.in_(shouts_map.keys())
).join(
ViewedEntry
).group_by(
Shout.id
).add_columns(
func.sum(ViewedEntry.amount).label('viewed_stat')
)
for [shout_id, viewed_stat] in session.execute(viewed_stat_query).unique():
shouts_map[shout_id].stat['viewed'] = viewed_stat
@query.field("loadShouts")
async def load_shouts_by(_, info, options):
"""
@ -174,8 +191,8 @@ async def load_shouts_by(_, info, options):
q = q.group_by(Shout.id).order_by(query_order_by).limit(limit).offset(offset)
shouts = []
with local_session() as session:
shouts = []
shouts_map = {}
for [shout, reacted_stat, commented_stat, rating_stat] in session.execute(q).unique():
@ -188,20 +205,7 @@ async def load_shouts_by(_, info, options):
}
shouts_map[shout.id] = shout
viewed_stat_query = select(
Shout.id
).where(
Shout.id.in_(shouts_map.keys())
).join(
ViewedEntry
).group_by(
Shout.id
).add_columns(
func.sum(ViewedEntry.amount).label('viewed_stat')
)
for [shout_id, viewed_stat] in session.execute(viewed_stat_query).unique():
shouts_map[shout_id].stat['viewed'] = viewed_stat
add_viewed_stat(session, shouts_map)
return shouts
@ -234,29 +238,32 @@ async def get_my_feed(_, info, options):
auth: AuthCredentials = info.context["request"].auth
user_id = auth.user_id
subquery = select(Shout.id)
subquery = subquery.join(
ShoutAuthor
).join(
AuthorFollower, AuthorFollower.follower == user_id
).join(
ShoutTopic
).join(
TopicFollower, TopicFollower.follower == user_id
)
q = select(Shout).options(
joinedload(Shout.authors),
joinedload(Shout.topics),
).where(
Shout.deletedAt.is_(None)
and_(
Shout.publishedAt.is_not(None),
Shout.deletedAt.is_(None),
Shout.id.in_(subquery)
)
)
q = q.join(
ShoutAuthor
).join(
AuthorFollower
).where(
AuthorFollower.follower == user_id
).join(
ShoutTopic
).join(
TopicFollower
).where(TopicFollower.follower == user_id)
q = add_stat_columns(q)
q = apply_filters(q, options.get("filters", {}), user_id)
order_by = options.get("order_by", Shout.createdAt)
order_by = options.get("order_by", Shout.publishedAt)
if order_by == 'reacted':
aliased_reaction = aliased(Reaction)
q.outerjoin(aliased_reaction).add_columns(func.max(aliased_reaction.createdAt).label('reacted'))
@ -269,6 +276,7 @@ async def get_my_feed(_, info, options):
shouts = []
with local_session() as session:
shouts_map = {}
for [shout, reacted_stat, commented_stat, rating_stat] in session.execute(q).unique():
shouts.append(shout)
shout.stat = {
@ -277,5 +285,8 @@ async def get_my_feed(_, info, options):
"commented": commented_stat,
"rating": rating_stat
}
shouts_map[shout.id] = shout
add_viewed_stat(session, shouts_map)
return shouts