mastodon/app/models/announcement.rb

101 lines
2.8 KiB
Ruby

# frozen_string_literal: true
# == Schema Information
#
# Table name: announcements
#
# id :bigint(8) not null, primary key
# text :text default(""), not null
# published :boolean default(FALSE), not null
# all_day :boolean default(FALSE), not null
# scheduled_at :datetime
# starts_at :datetime
# ends_at :datetime
# created_at :datetime not null
# updated_at :datetime not null
# published_at :datetime
# status_ids :bigint(8) is an Array
#
class Announcement < ApplicationRecord
scope :unpublished, -> { where(published: false) }
scope :published, -> { where(published: true) }
scope :chronological, -> { order(coalesced_chronology_timestamps.asc) }
scope :reverse_chronological, -> { order(coalesced_chronology_timestamps.desc) }
has_many :announcement_mutes, dependent: :destroy
has_many :announcement_reactions, dependent: :destroy
validates :text, presence: true
validates :starts_at, presence: true, if: :ends_at?
validates :ends_at, presence: true, if: :starts_at?
before_validation :set_published, on: :create
class << self
def coalesced_chronology_timestamps
Arel.sql(
<<~SQL.squish
COALESCE(announcements.starts_at, announcements.scheduled_at, announcements.published_at, announcements.created_at)
SQL
)
end
end
def to_log_human_identifier
text
end
def publish!
update!(published: true, published_at: Time.now.utc, scheduled_at: nil)
end
def unpublish!
update!(published: false, scheduled_at: nil)
end
def mentions
@mentions ||= Account.from_text(text)
end
def statuses
@statuses ||= if status_ids.nil?
[]
else
Status.where(id: status_ids, visibility: [:public, :unlisted])
end
end
def tags
@tags ||= Tag.find_or_create_by_names(Extractor.extract_hashtags(text))
end
def emojis
@emojis ||= CustomEmoji.from_text(text)
end
def reactions(account = nil)
records = begin
scope = announcement_reactions.group(:announcement_id, :name, :custom_emoji_id).order(Arel.sql('MIN(created_at) ASC'))
if account.nil?
scope.select('name, custom_emoji_id, count(*) as count, false as me')
else
scope.select("name, custom_emoji_id, count(*) as count, exists(select 1 from announcement_reactions r where r.account_id = #{account.id} and r.announcement_id = announcement_reactions.announcement_id and r.name = announcement_reactions.name) as me")
end
end.to_a
ActiveRecord::Associations::Preloader.new(records: records, associations: :custom_emoji).call
records
end
private
def set_published
return unless scheduled_at.blank? || scheduled_at.past?
self.published = true
self.published_at = Time.now.utc
end
end