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scope :unpublished, -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