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Merge branch 'atomic-note-count-updates' into 'develop'

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Atomic update for note count and follower count

See merge request pleroma/pleroma!885
This commit is contained in:
kaniini 2019-03-03 15:50:41 +00:00
commit 413cf00cc3
1 changed files with 56 additions and 31 deletions
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87
lib/pleroma/user.ex
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@ -636,23 +636,43 @@ defmodule Pleroma.User do
end
def increase_note_count(%User{} = user) do
info_cng = User.Info.add_to_note_count(user.info, 1)
cng =
change(user)
|> put_embed(:info, info_cng)
update_and_set_cache(cng)
User
|> where(id: ^user.id)
|> update([u],
set: [
info:
fragment(
"jsonb_set(?, '{note_count}', ((?->>'note_count')::int + 1)::varchar::jsonb, true)",
u.info,
u.info
)
]
)
|> Repo.update_all([], returning: true)
|> case do
{1, [user]} -> set_cache(user)
_ -> {:error, user}
end
end
def decrease_note_count(%User{} = user) do
info_cng = User.Info.add_to_note_count(user.info, -1)
cng =
change(user)
|> put_embed(:info, info_cng)
update_and_set_cache(cng)
User
|> where(id: ^user.id)
|> update([u],
set: [
info:
fragment(
"jsonb_set(?, '{note_count}', (greatest(0, (?->>'note_count')::int - 1))::varchar::jsonb, true)",
u.info,
u.info
)
]
)
|> Repo.update_all([], returning: true)
|> case do
{1, [user]} -> set_cache(user)
_ -> {:error, user}
end
end
def update_note_count(%User{} = user) do
@ -676,24 +696,29 @@ defmodule Pleroma.User do
def update_follower_count(%User{} = user) do
follower_count_query =
from(
u in User,
where: ^user.follower_address in u.following,
where: u.id != ^user.id,
select: count(u.id)
)
User
|> where([u], ^user.follower_address in u.following)
|> where([u], u.id != ^user.id)
|> select([u], %{count: count(u.id)})
follower_count = Repo.one(follower_count_query)
info_cng =
user.info
|> User.Info.set_follower_count(follower_count)
cng =
change(user)
|> put_embed(:info, info_cng)
update_and_set_cache(cng)
User
|> where(id: ^user.id)
|> join(:inner, [u], s in subquery(follower_count_query))
|> update([u, s],
set: [
info:
fragment(
"jsonb_set(?, '{follower_count}', ?::varchar::jsonb, true)",
u.info,
s.count
)
]
)
|> Repo.update_all([], returning: true)
|> case do
{1, [user]} -> set_cache(user)
_ -> {:error, user}
end
end
def get_users_from_set_query(ap_ids, false) do