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glitchier-soc/db/migrate/20180608213548_reject_follo...

43 lines
1.4 KiB

# frozen_string_literal: true
class RejectFollowingBlockedUsers < ActiveRecord::Migration[5.2]
disable_ddl_transaction!
def up
blocked_follows = Follow.find_by_sql(<<-SQL.squish)
select f.* from follows f
inner join blocks b on
f.account_id = b.target_account_id and
f.target_account_id = b.account_id
SQL
domain_blocked_follows = Follow.find_by_sql(<<-SQL.squish)
select f.* from follows f
inner join accounts following on f.account_id = following.id
inner join account_domain_blocks b on
lower(b.domain) = lower(following.domain) and
f.target_account_id = b.account_id
SQL
follows = (blocked_follows + domain_blocked_follows).uniq
say "Destroying #{follows.size} blocked follow relationships..."
follows.each do |follow|
blocked_account = follow.account
followed_account = follow.target_account
next follow.destroy! if blocked_account.local?
reject_follow_json = Oj.dump(ActivityPub::LinkedDataSignature.new(ActiveModelSerializers::SerializableResource.new(follow, serializer: ActivityPub::RejectFollowSerializer, adapter: ActivityPub::Adapter).as_json).sign!(followed_account))
ActivityPub::DeliveryWorker.perform_async(reject_follow_json, followed_account, blocked_account.inbox_url)
follow.destroy!
end
end
def down
raise ActiveRecord::IrreversibleMigration
end
end