forked from treehouse/mastodon
91 lines
2.4 KiB
Ruby
91 lines
2.4 KiB
Ruby
# frozen_string_literal: true
|
|
# == Schema Information
|
|
#
|
|
# Table name: polls
|
|
#
|
|
# id :bigint(8) not null, primary key
|
|
# account_id :bigint(8)
|
|
# status_id :bigint(8)
|
|
# expires_at :datetime
|
|
# options :string default([]), not null, is an Array
|
|
# cached_tallies :bigint(8) default([]), not null, is an Array
|
|
# multiple :boolean default(FALSE), not null
|
|
# hide_totals :boolean default(FALSE), not null
|
|
# votes_count :bigint(8) default(0), not null
|
|
# last_fetched_at :datetime
|
|
# created_at :datetime not null
|
|
# updated_at :datetime not null
|
|
#
|
|
|
|
class Poll < ApplicationRecord
|
|
include Expireable
|
|
|
|
belongs_to :account
|
|
belongs_to :status
|
|
|
|
has_many :votes, class_name: 'PollVote', inverse_of: :poll, dependent: :destroy
|
|
|
|
validates :options, presence: true
|
|
validates :expires_at, presence: true, if: :local?
|
|
validates_with PollValidator, if: :local?
|
|
|
|
scope :attached, -> { where.not(status_id: nil) }
|
|
scope :unattached, -> { where(status_id: nil) }
|
|
|
|
before_validation :prepare_votes_count
|
|
after_initialize :prepare_cached_tallies
|
|
after_commit :reset_parent_cache, on: :update
|
|
|
|
def loaded_options
|
|
options.map.with_index { |title, key| Option.new(self, key.to_s, title, cached_tallies[key]) }
|
|
end
|
|
|
|
def unloaded_options
|
|
options.map.with_index { |title, key| Option.new(self, key.to_s, title, nil) }
|
|
end
|
|
|
|
def possibly_stale?
|
|
remote? && last_fetched_before_expiration? && time_passed_since_last_fetch?
|
|
end
|
|
|
|
delegate :local?, to: :account
|
|
|
|
def remote?
|
|
!local?
|
|
end
|
|
|
|
class Option < ActiveModelSerializers::Model
|
|
attributes :id, :title, :votes_count, :poll
|
|
|
|
def initialize(poll, id, title, votes_count)
|
|
@poll = poll
|
|
@id = id
|
|
@title = title
|
|
@votes_count = votes_count
|
|
end
|
|
end
|
|
|
|
private
|
|
|
|
def prepare_cached_tallies
|
|
self.cached_tallies = options.map { 0 } if cached_tallies.empty?
|
|
end
|
|
|
|
def prepare_votes_count
|
|
self.votes_count = cached_tallies.sum unless cached_tallies.empty?
|
|
end
|
|
|
|
def reset_parent_cache
|
|
return if status_id.nil?
|
|
Rails.cache.delete("statuses/#{status_id}")
|
|
end
|
|
|
|
def last_fetched_before_expiration?
|
|
last_fetched_at.nil? || expires_at.nil? || last_fetched_at < expires_at
|
|
end
|
|
|
|
def time_passed_since_last_fetch?
|
|
last_fetched_at.nil? || last_fetched_at < 1.minute.ago
|
|
end
|
|
end
|