474 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			474 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
# frozen_string_literal: true
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# == Schema Information
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#
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# Table name: statuses
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#
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#  id                           :bigint(8)        not null, primary key
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#  uri                          :string
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#  text                         :text             default(""), not null
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#  created_at                   :datetime         not null
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#  updated_at                   :datetime         not null
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#  in_reply_to_id               :bigint(8)
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#  reblog_of_id                 :bigint(8)
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#  url                          :string
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#  sensitive                    :boolean          default(FALSE), not null
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#  visibility                   :integer          default("public"), not null
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#  spoiler_text                 :text             default(""), not null
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#  reply                        :boolean          default(FALSE), not null
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#  language                     :string
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#  conversation_id              :bigint(8)
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#  local                        :boolean
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#  account_id                   :bigint(8)        not null
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#  application_id               :bigint(8)
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#  in_reply_to_account_id       :bigint(8)
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#  poll_id                      :bigint(8)
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#  deleted_at                   :datetime
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#  edited_at                    :datetime
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#  trendable                    :boolean
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#  ordered_media_attachment_ids :bigint(8)        is an Array
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#
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class Status < ApplicationRecord
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  include Cacheable
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  include Discard::Model
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  include Paginable
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  include RateLimitable
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  include Status::SafeReblogInsert
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  include Status::SearchConcern
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  include Status::SnapshotConcern
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  include Status::ThreadingConcern
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  include Status::Visibility
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  MEDIA_ATTACHMENTS_LIMIT = 4
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  rate_limit by: :account, family: :statuses
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  self.discard_column = :deleted_at
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  # If `override_timestamps` is set at creation time, Snowflake ID creation
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  # will be based on current time instead of `created_at`
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  attr_accessor :override_timestamps
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  update_index('statuses', :proper)
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  update_index('public_statuses', :proper)
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  belongs_to :application, class_name: 'Doorkeeper::Application', optional: true
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  belongs_to :account, inverse_of: :statuses
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  belongs_to :in_reply_to_account, class_name: 'Account', optional: true
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  belongs_to :conversation, optional: true
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  belongs_to :preloadable_poll, class_name: 'Poll', foreign_key: 'poll_id', optional: true, inverse_of: false
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  with_options class_name: 'Status', optional: true do
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    belongs_to :thread, foreign_key: 'in_reply_to_id', inverse_of: :replies
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    belongs_to :reblog, foreign_key: 'reblog_of_id', inverse_of: :reblogs
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  end
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  has_many :favourites, inverse_of: :status, dependent: :destroy
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  has_many :bookmarks, inverse_of: :status, dependent: :destroy
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  has_many :reblogs, foreign_key: 'reblog_of_id', class_name: 'Status', inverse_of: :reblog, dependent: :destroy
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  has_many :reblogged_by_accounts, through: :reblogs, class_name: 'Account', source: :account
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  has_many :replies, foreign_key: 'in_reply_to_id', class_name: 'Status', inverse_of: :thread, dependent: nil
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  has_many :mentions, dependent: :destroy, inverse_of: :status
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  has_many :mentioned_accounts, through: :mentions, source: :account, class_name: 'Account'
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  has_many :media_attachments, dependent: :nullify
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  # The `dependent` option is enabled by the initial `mentions` association declaration
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  has_many :active_mentions, -> { active }, class_name: 'Mention', inverse_of: :status # rubocop:disable Rails/HasManyOrHasOneDependent
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  # Those associations are used for the private search index
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  has_many :local_mentioned, -> { merge(Account.local) }, through: :active_mentions, source: :account
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  has_many :local_favorited, -> { merge(Account.local) }, through: :favourites, source: :account
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  has_many :local_reblogged, -> { merge(Account.local) }, through: :reblogs, source: :account
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  has_many :local_bookmarked, -> { merge(Account.local) }, through: :bookmarks, source: :account
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  has_and_belongs_to_many :tags # rubocop:disable Rails/HasAndBelongsToMany
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  has_one :preview_cards_status, inverse_of: :status, dependent: :delete
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  has_one :notification, as: :activity, dependent: :destroy
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  has_one :status_stat, inverse_of: :status, dependent: nil
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  has_one :poll, inverse_of: :status, dependent: :destroy
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  has_one :trend, class_name: 'StatusTrend', inverse_of: :status, dependent: nil
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  validates :uri, uniqueness: true, presence: true, unless: :local?
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  validates :text, presence: true, unless: -> { with_media? || reblog? }
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  validates_with StatusLengthValidator
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  validates_with DisallowedHashtagsValidator
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  validates :reblog, uniqueness: { scope: :account }, if: :reblog?
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  accepts_nested_attributes_for :poll
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  default_scope { recent.kept }
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  scope :recent, -> { reorder(id: :desc) }
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  scope :remote, -> { where(local: false).where.not(uri: nil) }
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  scope :local,  -> { where(local: true).or(where(uri: nil)) }
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  scope :with_accounts, ->(ids) { where(id: ids).includes(:account) }
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  scope :without_replies, -> { not_reply.or(reply_to_account) }
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  scope :not_reply, -> { where(reply: false) }
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  scope :reply_to_account, -> { where(arel_table[:in_reply_to_account_id].eq arel_table[:account_id]) }
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  scope :without_reblogs, -> { where(statuses: { reblog_of_id: nil }) }
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  scope :tagged_with, ->(tag_ids) { joins(:statuses_tags).where(statuses_tags: { tag_id: tag_ids }) }
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  scope :not_excluded_by_account, ->(account) { where.not(account_id: account.excluded_from_timeline_account_ids) }
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  scope :not_domain_blocked_by_account, ->(account) { account.excluded_from_timeline_domains.blank? ? left_outer_joins(:account) : left_outer_joins(:account).merge(Account.not_domain_blocked_by_account(account)) }
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  scope :tagged_with_all, lambda { |tag_ids|
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    Array(tag_ids).map(&:to_i).reduce(self) do |result, id|
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      result.where(<<~SQL.squish, tag_id: id)
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        EXISTS(SELECT 1 FROM statuses_tags WHERE statuses_tags.status_id = statuses.id AND statuses_tags.tag_id = :tag_id)
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      SQL
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    end
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  }
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  scope :tagged_with_none, lambda { |tag_ids|
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    where('NOT EXISTS (SELECT * FROM statuses_tags forbidden WHERE forbidden.status_id = statuses.id AND forbidden.tag_id IN (?))', tag_ids)
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  }
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  after_create_commit :trigger_create_webhooks
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  after_update_commit :trigger_update_webhooks
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  after_create_commit  :increment_counter_caches
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  after_destroy_commit :decrement_counter_caches
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  after_create_commit :store_uri, if: :local?
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  after_create_commit :update_statistics, if: :local?
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  before_validation :prepare_contents, if: :local?
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  before_validation :set_reblog
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  before_validation :set_conversation
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  before_validation :set_local
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  around_create Mastodon::Snowflake::Callbacks
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  after_create :set_poll_id
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  # The `prepend: true` option below ensures this runs before
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  # the `dependent: destroy` callbacks remove relevant records
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  before_destroy :unlink_from_conversations!, prepend: true
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  cache_associated :application,
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                   :media_attachments,
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                   :conversation,
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                   :status_stat,
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                   :tags,
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                   :preloadable_poll,
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                   preview_cards_status: { preview_card: { author_account: [:account_stat, user: :role] } },
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                   account: [:account_stat, user: :role],
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                   active_mentions: :account,
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                   reblog: [
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                     :application,
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                     :tags,
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                     :media_attachments,
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                     :conversation,
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                     :status_stat,
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                     :preloadable_poll,
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                     preview_cards_status: { preview_card: { author_account: [:account_stat, user: :role] } },
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                     account: [:account_stat, user: :role],
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                     active_mentions: :account,
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                   ],
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                   thread: :account
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  delegate :domain, to: :account, prefix: true
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  REAL_TIME_WINDOW = 6.hours
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  def cache_key
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    "v3:#{super}"
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  end
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  def to_log_human_identifier
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    account.acct
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  end
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  def to_log_permalink
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    ActivityPub::TagManager.instance.uri_for(self)
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  end
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  def reply?
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    !in_reply_to_id.nil? || attributes['reply']
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  end
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  def local?
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    attributes['local'] || uri.nil?
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  end
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  def in_reply_to_local_account?
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    reply? && thread&.account&.local?
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  end
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  def reblog?
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    !reblog_of_id.nil?
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  end
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  def within_realtime_window?
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    created_at >= REAL_TIME_WINDOW.ago
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  end
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  def verb
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    if destroyed?
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      :delete
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    else
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      reblog? ? :share : :post
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    end
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  end
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  def object_type
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    reply? ? :comment : :note
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  end
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  def proper
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    reblog? ? reblog : self
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  end
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  def content
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    proper.text
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  end
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  def target
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    reblog
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  end
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  def preview_card
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    preview_cards_status&.preview_card&.tap { |x| x.original_url = preview_cards_status.url }
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  end
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  def reset_preview_card!
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    PreviewCardsStatus.where(status_id: id).delete_all
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  end
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  def with_media?
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    ordered_media_attachments.any?
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  end
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  def with_preview_card?
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    preview_cards_status.present?
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  end
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  def with_poll?
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    preloadable_poll.present?
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  end
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  def non_sensitive_with_media?
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    !sensitive? && with_media?
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  end
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  def reported?
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    @reported ||= account.targeted_reports.unresolved.exists?(['? = ANY(status_ids)', id]) || account.strikes.exists?(['? = ANY(status_ids)', id.to_s])
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  end
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  def emojis
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    return @emojis if defined?(@emojis)
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    fields  = [spoiler_text, text]
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    fields += preloadable_poll.options unless preloadable_poll.nil?
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    @emojis = CustomEmoji.from_text(fields.join(' '), account.domain)
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  end
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  def ordered_media_attachments
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    if ordered_media_attachment_ids.nil?
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      # NOTE: sort Ruby-side to avoid hitting the database when the status is
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      # not persisted to database yet
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      media_attachments.sort_by(&:id)
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    else
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      map = media_attachments.index_by(&:id)
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      ordered_media_attachment_ids.filter_map { |media_attachment_id| map[media_attachment_id] }
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    end.take(MEDIA_ATTACHMENTS_LIMIT)
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  end
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  def replies_count
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    status_stat&.replies_count || 0
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  end
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  def reblogs_count
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    status_stat&.reblogs_count || 0
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  end
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  def favourites_count
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    status_stat&.favourites_count || 0
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  end
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  # Reblogs count received from an external instance
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  def untrusted_reblogs_count
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    status_stat&.untrusted_reblogs_count unless local?
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  end
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  # Favourites count received from an external instance
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  def untrusted_favourites_count
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    status_stat&.untrusted_favourites_count unless local?
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  end
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  def increment_count!(key)
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    if key == :favourites_count && !untrusted_favourites_count.nil?
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      update_status_stat!(favourites_count: favourites_count + 1, untrusted_favourites_count: untrusted_favourites_count + 1)
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    elsif key == :reblogs_count && !untrusted_reblogs_count.nil?
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      update_status_stat!(reblogs_count: reblogs_count + 1, untrusted_reblogs_count: untrusted_reblogs_count + 1)
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    else
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      update_status_stat!(key => public_send(key) + 1)
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    end
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  end
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  def decrement_count!(key)
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    if key == :favourites_count && !untrusted_favourites_count.nil?
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      update_status_stat!(favourites_count: [favourites_count - 1, 0].max, untrusted_favourites_count: [untrusted_favourites_count - 1, 0].max)
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    elsif key == :reblogs_count && !untrusted_reblogs_count.nil?
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      update_status_stat!(reblogs_count: [reblogs_count - 1, 0].max, untrusted_reblogs_count: [untrusted_reblogs_count - 1, 0].max)
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    else
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      update_status_stat!(key => [public_send(key) - 1, 0].max)
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    end
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  end
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  def trendable?
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    if attributes['trendable'].nil?
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      account.trendable?
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    else
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      attributes['trendable']
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    end
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  end
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  def requires_review?
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    attributes['trendable'].nil? && account.requires_review?
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  end
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  def requires_review_notification?
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    attributes['trendable'].nil? && account.requires_review_notification?
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  end
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  class << self
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    def favourites_map(status_ids, account_id)
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      Favourite.select(:status_id).where(status_id: status_ids).where(account_id: account_id).each_with_object({}) { |f, h| h[f.status_id] = true }
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    end
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    def bookmarks_map(status_ids, account_id)
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      Bookmark.select(:status_id).where(status_id: status_ids).where(account_id: account_id).map { |f| [f.status_id, true] }.to_h
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    end
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    def reblogs_map(status_ids, account_id)
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      unscoped.select(:reblog_of_id).where(reblog_of_id: status_ids).where(account_id: account_id).each_with_object({}) { |s, h| h[s.reblog_of_id] = true }
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    end
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    def mutes_map(conversation_ids, account_id)
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      ConversationMute.select(:conversation_id).where(conversation_id: conversation_ids).where(account_id: account_id).each_with_object({}) { |m, h| h[m.conversation_id] = true }
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    end
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    def pins_map(status_ids, account_id)
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      StatusPin.select(:status_id).where(status_id: status_ids).where(account_id: account_id).each_with_object({}) { |p, h| h[p.status_id] = true }
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    end
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    def from_text(text)
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      return [] if text.blank?
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      text.scan(FetchLinkCardService::URL_PATTERN).map(&:second).uniq.filter_map do |url|
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        status = if TagManager.instance.local_url?(url)
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                   ActivityPub::TagManager.instance.uri_to_resource(url, Status)
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                 else
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                   EntityCache.instance.status(url)
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                 end
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        status&.distributable? ? status : nil
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      end
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    end
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  end
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  def status_stat
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    super || build_status_stat
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  end
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  def discard_with_reblogs
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    discard_time = Time.current
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    Status.unscoped.where(reblog_of_id: id, deleted_at: [nil, deleted_at]).in_batches.update_all(deleted_at: discard_time) unless reblog?
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    update_attribute(:deleted_at, discard_time)
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  end
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  def unlink_from_conversations!
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    return unless direct_visibility?
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    inbox_owners = mentioned_accounts.local
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    inbox_owners += [account] if account.local?
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    inbox_owners.each do |inbox_owner|
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      AccountConversation.remove_status(inbox_owner, self)
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    end
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  end
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  private
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  def update_status_stat!(attrs)
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    return if marked_for_destruction? || destroyed?
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    status_stat.update(attrs)
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  end
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  def store_uri
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    update_column(:uri, ActivityPub::TagManager.instance.uri_for(self)) if uri.nil?
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  end
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  def prepare_contents
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    text&.strip!
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    spoiler_text&.strip!
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  end
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  def set_reblog
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    self.reblog = reblog.reblog if reblog? && reblog.reblog?
 | 
						|
  end
 | 
						|
 | 
						|
  def set_poll_id
 | 
						|
    update_column(:poll_id, poll.id) if association(:poll).loaded? && poll.present?
 | 
						|
  end
 | 
						|
 | 
						|
  def set_conversation
 | 
						|
    self.thread = thread.reblog if thread&.reblog?
 | 
						|
 | 
						|
    self.reply = !(in_reply_to_id.nil? && thread.nil?) unless reply
 | 
						|
 | 
						|
    if reply? && !thread.nil?
 | 
						|
      self.in_reply_to_account_id = carried_over_reply_to_account_id
 | 
						|
      self.conversation_id        = thread.conversation_id if conversation_id.nil?
 | 
						|
    elsif conversation_id.nil?
 | 
						|
      self.conversation = Conversation.new
 | 
						|
    end
 | 
						|
  end
 | 
						|
 | 
						|
  def carried_over_reply_to_account_id
 | 
						|
    if thread.account_id == account_id && thread.reply?
 | 
						|
      thread.in_reply_to_account_id
 | 
						|
    else
 | 
						|
      thread.account_id
 | 
						|
    end
 | 
						|
  end
 | 
						|
 | 
						|
  def set_local
 | 
						|
    self.local = account.local?
 | 
						|
  end
 | 
						|
 | 
						|
  def update_statistics
 | 
						|
    return unless distributable?
 | 
						|
 | 
						|
    ActivityTracker.increment('activity:statuses:local')
 | 
						|
  end
 | 
						|
 | 
						|
  def increment_counter_caches
 | 
						|
    return if direct_visibility?
 | 
						|
 | 
						|
    account&.increment_count!(:statuses_count)
 | 
						|
    reblog&.increment_count!(:reblogs_count) if reblog?
 | 
						|
    thread&.increment_count!(:replies_count) if in_reply_to_id.present? && distributable?
 | 
						|
  end
 | 
						|
 | 
						|
  def decrement_counter_caches
 | 
						|
    return if direct_visibility? || new_record?
 | 
						|
 | 
						|
    account&.decrement_count!(:statuses_count)
 | 
						|
    reblog&.decrement_count!(:reblogs_count) if reblog?
 | 
						|
    thread&.decrement_count!(:replies_count) if in_reply_to_id.present? && distributable?
 | 
						|
  end
 | 
						|
 | 
						|
  def trigger_create_webhooks
 | 
						|
    TriggerWebhookWorker.perform_async('status.created', 'Status', id) if local?
 | 
						|
  end
 | 
						|
 | 
						|
  def trigger_update_webhooks
 | 
						|
    TriggerWebhookWorker.perform_async('status.updated', 'Status', id) if local?
 | 
						|
  end
 | 
						|
end
 |