117 lines
3.4 KiB
Elixir
117 lines
3.4 KiB
Elixir
# Pleroma: A lightweight social networking server
|
|
# Copyright © 2017-2023 Pleroma Authors <https://pleroma.social/>
|
|
# SPDX-License-Identifier: AGPL-3.0-only
|
|
|
|
defmodule Pleroma.Repo.Migrations.FixBlockedFollows do
|
|
use Ecto.Migration
|
|
|
|
import Ecto.Query
|
|
alias Pleroma.Config
|
|
alias Pleroma.Repo
|
|
|
|
def up do
|
|
unfollow_blocked = Config.get([:activitypub, :unfollow_blocked])
|
|
|
|
if unfollow_blocked do
|
|
"activities"
|
|
|> where([activity], fragment("? ->> 'type' = 'Block'", activity.data))
|
|
|> distinct([activity], [
|
|
activity.actor,
|
|
fragment(
|
|
"coalesce((?)->'object'->>'id', (?)->>'object')",
|
|
activity.data,
|
|
activity.data
|
|
)
|
|
])
|
|
|> order_by([activity], [fragment("? desc nulls last", activity.id)])
|
|
|> select([activity], %{
|
|
blocker: activity.actor,
|
|
blocked:
|
|
fragment("coalesce((?)->'object'->>'id', (?)->>'object')", activity.data, activity.data),
|
|
created_at: activity.id
|
|
})
|
|
|> Repo.stream()
|
|
|> Enum.map(&unfollow_if_blocked/1)
|
|
|> Enum.uniq()
|
|
|> Enum.each(&update_follower_count/1)
|
|
end
|
|
end
|
|
|
|
def down do
|
|
end
|
|
|
|
def unfollow_if_blocked(%{blocker: blocker_id, blocked: blocked_id, created_at: blocked_at}) do
|
|
query =
|
|
from(
|
|
activity in "activities",
|
|
where: fragment("? ->> 'type' = 'Follow'", activity.data),
|
|
where: activity.actor == ^blocked_id,
|
|
# this is to use the index
|
|
where:
|
|
fragment(
|
|
"coalesce((?)->'object'->>'id', (?)->>'object') = ?",
|
|
activity.data,
|
|
activity.data,
|
|
^blocker_id
|
|
),
|
|
where: activity.id > ^blocked_at,
|
|
where: fragment("(?)->>'state' = 'accept'", activity.data),
|
|
order_by: [fragment("? desc nulls last", activity.id)]
|
|
)
|
|
|
|
unless Repo.exists?(query) do
|
|
blocker = "users" |> select([:id, :local]) |> Repo.get_by(ap_id: blocker_id)
|
|
blocked = "users" |> select([:id]) |> Repo.get_by(ap_id: blocked_id)
|
|
|
|
if !is_nil(blocker) && !is_nil(blocked) do
|
|
unfollow(blocked, blocker)
|
|
end
|
|
end
|
|
end
|
|
|
|
def unfollow(%{id: follower_id}, %{id: followed_id} = followed) do
|
|
following_relationship =
|
|
"following_relationships"
|
|
|> where(follower_id: ^follower_id, following_id: ^followed_id, state: "accept")
|
|
|> select([:id])
|
|
|> Repo.one()
|
|
|
|
case following_relationship do
|
|
nil ->
|
|
{:ok, nil}
|
|
|
|
%{id: following_relationship_id} ->
|
|
"following_relationships"
|
|
|> where(id: ^following_relationship_id)
|
|
|> Repo.delete_all()
|
|
|
|
followed
|
|
end
|
|
end
|
|
|
|
def update_follower_count(%{id: user_id} = user) do
|
|
if user.local or !Pleroma.Config.get([:instance, :external_user_synchronization]) do
|
|
follower_count_query =
|
|
"users"
|
|
|> where([u], u.id != ^user_id)
|
|
|> where([u], u.deactivated != ^true)
|
|
|> join(:inner, [u], r in "following_relationships",
|
|
as: :relationships,
|
|
on: r.following_id == ^user_id and r.follower_id == u.id
|
|
)
|
|
|> where([relationships: r], r.state == "accept")
|
|
|> select([u], %{count: count(u.id)})
|
|
|
|
"users"
|
|
|> where(id: ^user_id)
|
|
|> join(:inner, [u], s in subquery(follower_count_query))
|
|
|> update([u, s],
|
|
set: [follower_count: s.count]
|
|
)
|
|
|> Repo.update_all([])
|
|
end
|
|
end
|
|
|
|
def update_follower_count(_), do: :noop
|
|
end
|