mirror of
https://github.com/discourse/discourse.git
synced 2024-11-29 19:44:36 +08:00
dd5502f166
This commit introduces a way to fetch the "serialized voters" for multiple polls. * Use a single query to fetch voters for all types of polls * Refactor to introduce all_serialized_voters * Cache serialized voters
134 lines
3.7 KiB
Ruby
134 lines
3.7 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
class Poll < ActiveRecord::Base
|
|
# because we want to use the 'type' column and don't want to use STI
|
|
self.inheritance_column = nil
|
|
|
|
belongs_to :post, -> { with_deleted }
|
|
|
|
has_many :poll_options, -> { order(:id) }, dependent: :destroy
|
|
has_many :poll_votes
|
|
|
|
enum type: { regular: 0, multiple: 1, number: 2, ranked_choice: 3 }, _scopes: false
|
|
|
|
enum status: { open: 0, closed: 1 }, _scopes: false
|
|
|
|
enum results: { always: 0, on_vote: 1, on_close: 2, staff_only: 3 }, _scopes: false
|
|
|
|
enum visibility: { secret: 0, everyone: 1 }, _scopes: false
|
|
|
|
enum chart_type: { bar: 0, pie: 1 }, _scopes: false
|
|
|
|
validates :min, numericality: { allow_nil: true, only_integer: true, greater_than_or_equal_to: 0 }
|
|
validates :max, numericality: { allow_nil: true, only_integer: true, greater_than: 0 }
|
|
validates :step, numericality: { allow_nil: true, only_integer: true, greater_than: 0 }
|
|
|
|
attr_writer :voters_count
|
|
attr_accessor :has_voted
|
|
attr_accessor :serialized_voters_cache
|
|
|
|
after_initialize { @has_voted = {} }
|
|
|
|
def reload
|
|
@has_voted = {}
|
|
super
|
|
end
|
|
|
|
def is_closed?
|
|
closed? || (close_at && close_at <= Time.zone.now)
|
|
end
|
|
|
|
def can_see_results?(user)
|
|
return !!user&.staff? if staff_only?
|
|
!!(always? || (on_vote? && (is_me?(user) || has_voted?(user))) || is_closed?)
|
|
end
|
|
|
|
def is_me?(user)
|
|
user && post && post.user&.id == user&.id
|
|
end
|
|
|
|
def has_voted?(user)
|
|
if user&.id
|
|
return @has_voted[user.id] if @has_voted.key?(user.id)
|
|
|
|
@has_voted[user.id] = poll_votes.where(user_id: user.id).exists?
|
|
end
|
|
end
|
|
|
|
def voters_count
|
|
return @voters_count if defined?(@voters_count)
|
|
|
|
@voters_count = poll_votes.count("DISTINCT user_id")
|
|
end
|
|
|
|
def can_see_voters?(user)
|
|
everyone? && can_see_results?(user)
|
|
end
|
|
|
|
def ranked_choice?
|
|
type == "ranked_choice"
|
|
end
|
|
|
|
def self.preload!(polls, user_id: nil)
|
|
poll_ids = polls.map(&:id)
|
|
|
|
voters_count =
|
|
PollVote
|
|
.where(poll_id: poll_ids)
|
|
.group(:poll_id)
|
|
.pluck(:poll_id, "COUNT(DISTINCT user_id)")
|
|
.to_h
|
|
|
|
option_voters_count =
|
|
PollVote
|
|
.where(poll_option_id: PollOption.where(poll_id: poll_ids).select(:id))
|
|
.group(:poll_option_id)
|
|
.pluck(:poll_option_id, "COUNT(*)")
|
|
.to_h
|
|
|
|
polls.each do |poll|
|
|
poll.voters_count = voters_count[poll.id] || 0
|
|
poll.poll_options.each do |poll_option|
|
|
poll_option.voters_count = option_voters_count[poll_option.id] || 0
|
|
end
|
|
end
|
|
|
|
if user_id
|
|
has_voted = PollVote.where(poll_id: poll_ids, user_id: user_id).pluck(:poll_id).to_set
|
|
polls.each { |poll| poll.has_voted[user_id] = has_voted.include?(poll.id) }
|
|
end
|
|
end
|
|
end
|
|
|
|
# == Schema Information
|
|
#
|
|
# Table name: polls
|
|
#
|
|
# id :bigint not null, primary key
|
|
# post_id :bigint
|
|
# name :string default("poll"), not null
|
|
# close_at :datetime
|
|
# type :integer default("regular"), not null
|
|
# status :integer default("open"), not null
|
|
# results :integer default("always"), not null
|
|
# visibility :integer default("secret"), not null
|
|
# min :integer
|
|
# max :integer
|
|
# step :integer
|
|
# anonymous_voters :integer
|
|
# created_at :datetime not null
|
|
# updated_at :datetime not null
|
|
# chart_type :integer default("bar"), not null
|
|
# groups :string
|
|
# title :string
|
|
#
|
|
# Indexes
|
|
#
|
|
# index_polls_on_post_id (post_id)
|
|
# index_polls_on_post_id_and_name (post_id,name) UNIQUE
|
|
#
|
|
# Foreign Keys
|
|
#
|
|
# fk_rails_... (post_id => posts.id)
|
|
#
|