mirror of
https://github.com/lunaisnotaboy/mastodon.git
synced 2024-12-15 01:46:35 +00:00
96f905f409
* Add optimistic lock to avoid race conditions when handling votes * Force-reload polls when getting `ActiveRecord::StaleObjectError`
40 lines
833 B
Ruby
40 lines
833 B
Ruby
# frozen_string_literal: true
|
|
# == Schema Information
|
|
#
|
|
# Table name: poll_votes
|
|
#
|
|
# id :bigint(8) not null, primary key
|
|
# account_id :bigint(8)
|
|
# poll_id :bigint(8)
|
|
# choice :integer default(0), not null
|
|
# created_at :datetime not null
|
|
# updated_at :datetime not null
|
|
# uri :string
|
|
#
|
|
|
|
class PollVote < ApplicationRecord
|
|
belongs_to :account
|
|
belongs_to :poll, inverse_of: :votes
|
|
|
|
validates :choice, presence: true
|
|
validates_with VoteValidator
|
|
|
|
after_create_commit :increment_counter_cache
|
|
|
|
delegate :local?, to: :account
|
|
|
|
def object_type
|
|
:vote
|
|
end
|
|
|
|
private
|
|
|
|
def increment_counter_cache
|
|
poll.cached_tallies[choice] = (poll.cached_tallies[choice] || 0) + 1
|
|
poll.save
|
|
rescue ActiveRecord::StaleObjectError
|
|
poll.reload
|
|
retry
|
|
end
|
|
end
|