122 lines
3.2 KiB
Ruby
122 lines
3.2 KiB
Ruby
# frozen_string_literal: true
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# == Schema Information
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#
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# Table name: polls
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#
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# id :bigint(8) not null, primary key
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# account_id :bigint(8)
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# status_id :bigint(8)
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# expires_at :datetime
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# options :string default([]), not null, is an Array
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# cached_tallies :bigint(8) default([]), not null, is an Array
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# multiple :boolean default(FALSE), not null
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# hide_totals :boolean default(FALSE), not null
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# votes_count :bigint(8) default(0), not null
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# last_fetched_at :datetime
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# created_at :datetime not null
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# updated_at :datetime not null
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# lock_version :integer default(0), not null
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# voters_count :bigint(8)
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#
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class Poll < ApplicationRecord
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include Expireable
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belongs_to :account
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belongs_to :status
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has_many :votes, class_name: 'PollVote', inverse_of: :poll, dependent: :delete_all
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has_many :voters, -> { group('accounts.id') }, through: :votes, class_name: 'Account', source: :account
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has_many :notifications, as: :activity, dependent: :destroy
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validates :options, presence: true
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validates :expires_at, presence: true, if: :local?
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validates_with PollValidator, on: :create, if: :local?
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scope :attached, -> { where.not(status_id: nil) }
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scope :unattached, -> { where(status_id: nil) }
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before_validation :prepare_options, if: :local?
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before_validation :prepare_votes_count
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before_validation :prepare_cached_tallies
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after_commit :reset_parent_cache, on: :update
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def loaded_options
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options.map.with_index { |title, key| Option.new(self, key.to_s, title, show_totals_now? ? (cached_tallies[key] || 0) : nil) }
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end
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def possibly_stale?
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remote? && last_fetched_before_expiration? && time_passed_since_last_fetch?
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end
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def voted?(account)
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account.id == account_id || votes.where(account: account).exists?
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end
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def own_votes(account)
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votes.where(account: account).pluck(:choice)
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end
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delegate :local?, to: :account
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def remote?
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!local?
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end
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def emojis
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@emojis ||= CustomEmoji.from_text(options.join(' '), account.domain)
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end
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class Option < ActiveModelSerializers::Model
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attributes :id, :title, :votes_count, :poll
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def initialize(poll, id, title, votes_count)
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super(
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poll: poll,
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id: id,
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title: title,
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votes_count: votes_count,
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)
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end
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end
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def reset_votes!
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self.cached_tallies = options.map { 0 }
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self.votes_count = 0
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votes.delete_all unless new_record?
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end
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private
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def prepare_cached_tallies
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self.cached_tallies = options.map { 0 } if cached_tallies.empty?
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end
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def prepare_votes_count
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self.votes_count = cached_tallies.sum unless cached_tallies.empty?
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end
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def prepare_options
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self.options = options.map(&:strip).reject(&:blank?)
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end
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def reset_parent_cache
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return if status_id.nil?
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Rails.cache.delete("statuses/#{status_id}")
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end
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def last_fetched_before_expiration?
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last_fetched_at.nil? || expires_at.nil? || last_fetched_at < expires_at
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end
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def time_passed_since_last_fetch?
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last_fetched_at.nil? || last_fetched_at < 1.minute.ago
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end
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def show_totals_now?
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expired? || !hide_totals?
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end
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end
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