app/models/poll/stats.rb
class Poll
class Stats
def initialize(poll)
@poll = poll
end
def generate
stats = %w[total_participants total_participants_web total_web_valid total_web_white total_web_null
total_participants_booth total_booth_valid total_booth_white total_booth_null
total_valid_votes total_white_votes total_null_votes valid_percentage_web valid_percentage_booth
total_valid_percentage white_percentage_web white_percentage_booth total_white_percentage
null_percentage_web null_percentage_booth total_null_percentage total_participants_web_percentage
total_participants_booth_percentage]
stats.map { |stat_name| [stat_name.to_sym, send(stat_name)] }.to_h
end
private
def total_participants
stats_cache('total_participants') { total_participants_web + total_participants_booth }
end
def total_participants_web
stats_cache('total_participants_web') { total_web_valid + total_web_white + total_web_null }
end
def total_participants_web_percentage
stats_cache('total_participants_web_percentage') do
total_participants.zero? ? 0 : total_participants_web * 100 / total_participants
end
end
def total_participants_booth
stats_cache('total_participants_booth') { voters.where(origin: 'booth').count }
end
def total_participants_booth_percentage
stats_cache('total_participants_booth_percentage') do
total_participants.zero? ? 0 : total_participants_booth * 100 / total_participants.to_f
end
end
def total_web_valid
stats_cache('total_web_valid') { voters.where(origin: 'web').count }
end
def valid_percentage_web
stats_cache('valid_percentage_web') do
total_valid_votes.zero? ? 0 : total_web_valid * 100 / total_valid_votes.to_f
end
end
def total_web_white
stats_cache('total_web_white') { 0 }
end
def white_percentage_web
stats_cache('white_percentage_web') { 0 }
end
def total_web_null
stats_cache('total_web_null') { 0 }
end
def null_percentage_web
stats_cache('null_percentage_web') { 0 }
end
def total_booth_valid
stats_cache('total_booth_valid') { recounts.sum(:total_amount) }
end
def valid_percentage_booth
stats_cache('valid_percentage_booth') do
total_valid_votes.zero? ? 0 : total_booth_valid * 100 / total_valid_votes.to_f
end
end
def total_booth_white
stats_cache('total_booth_white') { recounts.sum(:white_amount) }
end
def white_percentage_booth
stats_cache('white_percentage_booth') do
total_white_votes.zero? ? 0 : total_booth_white * 100 / total_white_votes.to_f
end
end
def total_booth_null
stats_cache('total_booth_null') { recounts.sum(:null_amount) }
end
def null_percentage_booth
stats_cache('null_percentage_booth') do
total_null_votes.zero? ? 0 : total_booth_null * 100 / total_null_votes.to_f
end
end
def total_valid_votes
stats_cache('total_valid_votes') { total_web_valid + total_booth_valid }
end
def total_valid_percentage
stats_cache('total_valid_percentage') do
total_participants.zero? ? 0 : total_valid_votes * 100 / total_participants.to_f
end
end
def total_white_votes
stats_cache('total_white_votes') { total_web_white + total_booth_white }
end
def total_white_percentage
stats_cache('total_white_percentage') do
total_participants.zero? ? 0 : total_white_votes * 100 / total_participants.to_f
end
end
def total_null_votes
stats_cache('total_null_votes') { total_web_null + total_booth_null }
end
def total_null_percentage
stats_cache('total_null_percentage') do
total_participants.zero? ? 0 : total_null_votes * 100 / total_participants.to_f
end
end
def voters
stats_cache('voters') { @poll.voters }
end
def recounts
stats_cache('recounts') { @poll.recounts }
end
def stats_cache(key, &block)
Rails.cache.fetch("polls_stats/#{@poll.id}/#{key}", &block)
end
end
end