forked from fedi/mastodon
476 lines
15 KiB
Ruby
476 lines
15 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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#
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class Status < ApplicationRecord
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include Paginable
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include Streamable
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include Cacheable
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include StatusThreadingConcern
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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#status', :proper) if Chewy.enabled?
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enum visibility: [:public, :unlisted, :private, :direct], _suffix: :visibility
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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, foreign_key: 'in_reply_to_account_id', class_name: 'Account', optional: true
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belongs_to :conversation, optional: true
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belongs_to :thread, foreign_key: 'in_reply_to_id', class_name: 'Status', inverse_of: :replies, optional: true
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belongs_to :reblog, foreign_key: 'reblog_of_id', class_name: 'Status', inverse_of: :reblogs, optional: true
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has_many :favourites, 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 :replies, foreign_key: 'in_reply_to_id', class_name: 'Status', inverse_of: :thread
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has_many :mentions, dependent: :destroy
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has_many :media_attachments, dependent: :nullify
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has_and_belongs_to_many :tags
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has_and_belongs_to_many :preview_cards
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has_one :notification, as: :activity, dependent: :destroy
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has_one :stream_entry, as: :activity, inverse_of: :status
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has_one :status_stat, inverse_of: :status
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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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default_scope { recent }
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scope :recent, -> { reorder(id: :desc) }
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scope :remote, -> { where(local: false).or(where.not(uri: nil)) }
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scope :local, -> { where(local: true).or(where(uri: nil)) }
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scope :without_replies, -> { where('statuses.reply = FALSE OR statuses.in_reply_to_account_id = statuses.account_id') }
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scope :without_reblogs, -> { where('statuses.reblog_of_id IS NULL') }
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scope :with_public_visibility, -> { where(visibility: :public) }
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scope :tagged_with, ->(tag) { joins(:statuses_tags).where(statuses_tags: { tag_id: tag }) }
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scope :excluding_silenced_accounts, -> { left_outer_joins(:account).where(accounts: { silenced: false }) }
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scope :including_silenced_accounts, -> { left_outer_joins(:account).where(accounts: { silenced: true }) }
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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).where('accounts.domain IS NULL OR accounts.domain NOT IN (?)', account.excluded_from_timeline_domains) }
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cache_associated :account,
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: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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:stream_entry,
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mentions: :account,
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reblog: [
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:account,
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:application,
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:stream_entry,
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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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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 searchable_by(preloaded = nil)
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ids = [account_id]
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if preloaded.nil?
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ids += mentions.pluck(:account_id)
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ids += favourites.pluck(:account_id)
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ids += reblogs.pluck(:account_id)
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else
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ids += preloaded.mentions[id] || []
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ids += preloaded.favourites[id] || []
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ids += preloaded.reblogs[id] || []
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end
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ids.uniq
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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 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 title
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if destroyed?
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"#{account.acct} deleted status"
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else
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reblog? ? "#{account.acct} shared a status by #{reblog.account.acct}" : "New status by #{account.acct}"
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end
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end
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def hidden?
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private_visibility? || direct_visibility?
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end
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def with_media?
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media_attachments.any?
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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 emojis
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@emojis ||= CustomEmoji.from_text([spoiler_text, text].join(' '), account.domain)
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end
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def mark_for_mass_destruction!
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@marked_for_mass_destruction = true
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end
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def marked_for_mass_destruction?
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@marked_for_mass_destruction
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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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def increment_count!(key)
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update_status_stat!(key => public_send(key) + 1)
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end
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def decrement_count!(key)
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update_status_stat!(key => [public_send(key) - 1, 0].max)
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end
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after_create :increment_counter_caches
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after_destroy :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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around_create Mastodon::Snowflake::Callbacks
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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_visibility
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before_validation :set_conversation
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before_validation :set_local
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class << self
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def cache_ids
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left_outer_joins(:status_stat).select('statuses.id, greatest(statuses.updated_at, status_stats.updated_at) AS updated_at')
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end
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def in_chosen_languages(account)
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where(language: nil).or where(language: account.chosen_languages)
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end
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def as_home_timeline(account)
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where(account: [account] + account.following).where(visibility: [:public, :unlisted, :private])
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end
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def as_direct_timeline(account, limit = 20, max_id = nil, since_id = nil, cache_ids = false)
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# direct timeline is mix of direct message from_me and to_me.
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# 2 querys are executed with pagination.
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# constant expression using arel_table is required for partial index
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# _from_me part does not require any timeline filters
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query_from_me = where(account_id: account.id)
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.where(Status.arel_table[:visibility].eq(3))
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.limit(limit)
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.order('statuses.id DESC')
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# _to_me part requires mute and block filter.
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# FIXME: may we check mutes.hide_notifications?
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query_to_me = Status
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.joins(:mentions)
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.merge(Mention.where(account_id: account.id))
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.where(Status.arel_table[:visibility].eq(3))
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.limit(limit)
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.order('mentions.status_id DESC')
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.not_excluded_by_account(account)
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if max_id.present?
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query_from_me = query_from_me.where('statuses.id < ?', max_id)
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query_to_me = query_to_me.where('mentions.status_id < ?', max_id)
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end
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if since_id.present?
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query_from_me = query_from_me.where('statuses.id > ?', since_id)
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query_to_me = query_to_me.where('mentions.status_id > ?', since_id)
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end
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if cache_ids
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# returns array of cache_ids object that have id and updated_at
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(query_from_me.cache_ids.to_a + query_to_me.cache_ids.to_a).uniq(&:id).sort_by(&:id).reverse.take(limit)
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else
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# returns ActiveRecord.Relation
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items = (query_from_me.select(:id).to_a + query_to_me.select(:id).to_a).uniq(&:id).sort_by(&:id).reverse.take(limit)
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Status.where(id: items.map(&:id))
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end
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end
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def as_public_timeline(account = nil, local_only = false)
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query = timeline_scope(local_only).without_replies
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apply_timeline_filters(query, account, local_only)
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end
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def as_tag_timeline(tag, account = nil, local_only = false)
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query = timeline_scope(local_only).tagged_with(tag)
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apply_timeline_filters(query, account, local_only)
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end
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def as_outbox_timeline(account)
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where(account: account, visibility: :public)
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end
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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).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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select('reblog_of_id').where(reblog_of_id: status_ids).where(account_id: account_id).reorder(nil).map { |s| [s.reblog_of_id, true] }.to_h
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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).map { |m| [m.conversation_id, true] }.to_h
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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).map { |p| [p.status_id, true] }.to_h
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end
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def reload_stale_associations!(cached_items)
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account_ids = []
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cached_items.each do |item|
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account_ids << item.account_id
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account_ids << item.reblog.account_id if item.reblog?
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end
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account_ids.uniq!
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return if account_ids.empty?
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accounts = Account.where(id: account_ids).map { |a| [a.id, a] }.to_h
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cached_items.each do |item|
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item.account = accounts[item.account_id]
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item.reblog.account = accounts[item.reblog.account_id] if item.reblog?
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end
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end
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def permitted_for(target_account, account)
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visibility = [:public, :unlisted]
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if account.nil?
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where(visibility: visibility)
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elsif target_account.blocking?(account) # get rid of blocked peeps
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none
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elsif account.id == target_account.id # author can see own stuff
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all
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else
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# followers can see followers-only stuff, but also things they are mentioned in.
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# non-followers can see everything that isn't private/direct, but can see stuff they are mentioned in.
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visibility.push(:private) if account.following?(target_account)
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scope = left_outer_joins(:reblog)
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scope.where(visibility: visibility)
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.or(scope.where(id: account.mentions.select(:status_id)))
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.merge(scope.where(reblog_of_id: nil).or(scope.where.not(reblogs_statuses: { account_id: account.excluded_from_timeline_account_ids })))
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end
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end
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private
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def timeline_scope(local_only = false)
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starting_scope = local_only ? Status.local : Status
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starting_scope
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.with_public_visibility
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.without_reblogs
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end
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def apply_timeline_filters(query, account, local_only)
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if account.nil?
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filter_timeline_default(query)
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else
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filter_timeline_for_account(query, account, local_only)
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end
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end
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def filter_timeline_for_account(query, account, local_only)
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query = query.not_excluded_by_account(account)
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query = query.not_domain_blocked_by_account(account) unless local_only
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query = query.in_chosen_languages(account) if account.chosen_languages.present?
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query.merge(account_silencing_filter(account))
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end
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def filter_timeline_default(query)
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query.excluding_silenced_accounts
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end
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def account_silencing_filter(account)
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if account.silenced?
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including_silenced_accounts
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else
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excluding_silenced_accounts
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end
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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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record = status_stat || build_status_stat
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record.update(attrs)
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end
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def store_uri
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update_attribute(: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?
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end
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def set_visibility
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self.visibility = (account.locked? ? :private : :public) if visibility.nil?
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self.visibility = reblog.visibility if reblog?
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self.sensitive = false if sensitive.nil?
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end
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def set_conversation
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self.reply = !(in_reply_to_id.nil? && thread.nil?) unless reply
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if reply? && !thread.nil?
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self.in_reply_to_account_id = carried_over_reply_to_account_id
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self.conversation_id = thread.conversation_id if conversation_id.nil?
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elsif conversation_id.nil?
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self.conversation = Conversation.new
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end
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end
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def carried_over_reply_to_account_id
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if thread.account_id == account_id && thread.reply?
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thread.in_reply_to_account_id
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else
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thread.account_id
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end
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end
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def set_local
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self.local = account.local?
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end
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def update_statistics
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return unless public_visibility? || unlisted_visibility?
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ActivityTracker.increment('activity:statuses:local')
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end
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def increment_counter_caches
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return if direct_visibility?
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if association(:account).loaded?
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account.update_attribute(:statuses_count, account.statuses_count + 1)
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else
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Account.where(id: account_id).update_all('statuses_count = COALESCE(statuses_count, 0) + 1')
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end
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reblog&.increment_count!(:reblogs_count) if reblog?
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thread&.increment_count!(:replies_count) if in_reply_to_id.present? && (public_visibility? || unlisted_visibility?)
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end
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def decrement_counter_caches
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return if direct_visibility? || marked_for_mass_destruction?
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if association(:account).loaded?
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account.update_attribute(:statuses_count, [account.statuses_count - 1, 0].max)
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else
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Account.where(id: account_id).update_all('statuses_count = GREATEST(COALESCE(statuses_count, 0) - 1, 0)')
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end
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reblog&.decrement_count!(:reblogs_count) if reblog?
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thread&.decrement_count!(:replies_count) if in_reply_to_id.present? && (public_visibility? || unlisted_visibility?)
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end
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end
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