forked from treehouse/mastodon
478 lines
15 KiB
Ruby
478 lines
15 KiB
Ruby
# frozen_string_literal: true
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# == Schema Information
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#
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# Table name: accounts
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#
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# id :bigint(8) not null, primary key
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# username :string default(""), not null
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# domain :string
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# secret :string default(""), not null
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# private_key :text
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# public_key :text default(""), not null
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# remote_url :string default(""), not null
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# salmon_url :string default(""), not null
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# hub_url :string 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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# note :text default(""), not null
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# display_name :string default(""), not null
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# uri :string default(""), not null
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# url :string
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# avatar_file_name :string
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# avatar_content_type :string
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# avatar_file_size :integer
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# avatar_updated_at :datetime
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# header_file_name :string
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# header_content_type :string
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# header_file_size :integer
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# header_updated_at :datetime
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# avatar_remote_url :string
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# subscription_expires_at :datetime
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# silenced :boolean default(FALSE), not null
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# suspended :boolean default(FALSE), not null
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# locked :boolean default(FALSE), not null
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# header_remote_url :string default(""), not null
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# statuses_count :integer default(0), not null
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# followers_count :integer default(0), not null
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# following_count :integer default(0), not null
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# last_webfingered_at :datetime
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# inbox_url :string default(""), not null
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# outbox_url :string default(""), not null
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# shared_inbox_url :string default(""), not null
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# followers_url :string default(""), not null
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# protocol :integer default("ostatus"), not null
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# memorial :boolean default(FALSE), not null
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# moved_to_account_id :bigint(8)
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# featured_collection_url :string
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# fields :jsonb
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# actor_type :string
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#
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class Account < ApplicationRecord
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USERNAME_RE = /[a-z0-9_]+([a-z0-9_\.]+[a-z0-9_]+)?/i
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MENTION_RE = /(?<=^|[^\/[:word:]])@((#{USERNAME_RE})(?:@[a-z0-9\.\-]+[a-z0-9]+)?)/i
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include AccountAvatar
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include AccountFinderConcern
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include AccountHeader
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include AccountInteractions
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include Attachmentable
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include Paginable
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MAX_NOTE_LENGTH = 500
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enum protocol: [:ostatus, :activitypub]
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# Local users
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has_one :user, inverse_of: :account
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validates :username, presence: true
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# Remote user validations
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validates :username, uniqueness: { scope: :domain, case_sensitive: true }, if: -> { !local? && will_save_change_to_username? }
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validates :username, format: { with: /\A#{USERNAME_RE}\z/i }, if: -> { !local? && will_save_change_to_username? }
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# Local user validations
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validates :username, format: { with: /\A[a-z0-9_]+\z/i }, length: { maximum: 30 }, if: -> { local? && will_save_change_to_username? }
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validates_with UniqueUsernameValidator, if: -> { local? && will_save_change_to_username? }
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validates_with UnreservedUsernameValidator, if: -> { local? && will_save_change_to_username? }
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validates :display_name, length: { maximum: 30 }, if: -> { local? && will_save_change_to_display_name? }
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validate :note_length_does_not_exceed_length_limit, if: -> { local? && will_save_change_to_note? }
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validates :fields, length: { maximum: 4 }, if: -> { local? && will_save_change_to_fields? }
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# Timelines
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has_many :stream_entries, inverse_of: :account, dependent: :destroy
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has_many :statuses, inverse_of: :account, dependent: :destroy
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has_many :favourites, inverse_of: :account, dependent: :destroy
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has_many :bookmarks, inverse_of: :account, dependent: :destroy
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has_many :mentions, inverse_of: :account, dependent: :destroy
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has_many :notifications, inverse_of: :account, dependent: :destroy
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# Pinned statuses
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has_many :status_pins, inverse_of: :account, dependent: :destroy
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has_many :pinned_statuses, -> { reorder('status_pins.created_at DESC') }, through: :status_pins, class_name: 'Status', source: :status
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# Endorsements
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has_many :account_pins, inverse_of: :account, dependent: :destroy
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has_many :endorsed_accounts, through: :account_pins, class_name: 'Account', source: :target_account
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# Media
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has_many :media_attachments, dependent: :destroy
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# PuSH subscriptions
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has_many :subscriptions, dependent: :destroy
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# Report relationships
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has_many :reports
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has_many :targeted_reports, class_name: 'Report', foreign_key: :target_account_id
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has_many :report_notes, dependent: :destroy
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has_many :custom_filters, inverse_of: :account, dependent: :destroy
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# Moderation notes
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has_many :account_moderation_notes, dependent: :destroy
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has_many :targeted_moderation_notes, class_name: 'AccountModerationNote', foreign_key: :target_account_id, dependent: :destroy
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# Lists
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has_many :list_accounts, inverse_of: :account, dependent: :destroy
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has_many :lists, through: :list_accounts
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# Account migrations
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belongs_to :moved_to_account, class_name: 'Account', optional: true
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scope :remote, -> { where.not(domain: nil) }
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scope :local, -> { where(domain: nil) }
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scope :without_followers, -> { where(followers_count: 0) }
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scope :with_followers, -> { where('followers_count > 0') }
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scope :expiring, ->(time) { remote.where.not(subscription_expires_at: nil).where('subscription_expires_at < ?', time) }
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scope :partitioned, -> { order(Arel.sql('row_number() over (partition by domain)')) }
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scope :silenced, -> { where(silenced: true) }
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scope :suspended, -> { where(suspended: true) }
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scope :without_suspended, -> { where(suspended: false) }
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scope :recent, -> { reorder(id: :desc) }
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scope :alphabetic, -> { order(domain: :asc, username: :asc) }
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scope :by_domain_accounts, -> { group(:domain).select(:domain, 'COUNT(*) AS accounts_count').order('accounts_count desc') }
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scope :matches_username, ->(value) { where(arel_table[:username].matches("#{value}%")) }
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scope :matches_display_name, ->(value) { where(arel_table[:display_name].matches("#{value}%")) }
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scope :matches_domain, ->(value) { where(arel_table[:domain].matches("%#{value}%")) }
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scope :searchable, -> { where(suspended: false).where(moved_to_account_id: nil) }
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delegate :email,
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:unconfirmed_email,
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:current_sign_in_ip,
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:current_sign_in_at,
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:confirmed?,
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:admin?,
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:moderator?,
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:staff?,
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:locale,
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:hides_network?,
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to: :user,
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prefix: true,
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allow_nil: true
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delegate :chosen_languages, to: :user, prefix: false, allow_nil: true
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def local?
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domain.nil?
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end
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def moved?
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moved_to_account_id.present?
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end
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def bot?
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%w(Application Service).include? actor_type
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end
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alias bot bot?
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def bot=(val)
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self.actor_type = ActiveModel::Type::Boolean.new.cast(val) ? 'Service' : 'Person'
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end
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def acct
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local? ? username : "#{username}@#{domain}"
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end
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def local_username_and_domain
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"#{username}@#{Rails.configuration.x.local_domain}"
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end
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def to_webfinger_s
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"acct:#{local_username_and_domain}"
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end
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def subscribed?
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subscription_expires_at.present?
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end
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def possibly_stale?
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last_webfingered_at.nil? || last_webfingered_at <= 1.day.ago
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end
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def refresh!
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return if local?
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ResolveAccountService.new.call(acct)
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end
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def suspend!
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transaction do
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user&.disable! if local?
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update!(suspended: true)
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end
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end
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def unsuspend!
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transaction do
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user&.enable! if local?
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update!(suspended: false)
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end
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end
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def memorialize!
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transaction do
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user&.disable! if local?
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update!(memorial: true)
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end
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end
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def keypair
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@keypair ||= OpenSSL::PKey::RSA.new(private_key || public_key)
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end
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def fields
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(self[:fields] || []).map { |f| Field.new(self, f) }
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end
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def fields_attributes=(attributes)
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fields = []
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old_fields = self[:fields] || []
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if attributes.is_a?(Hash)
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attributes.each_value do |attr|
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next if attr[:name].blank?
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previous = old_fields.find { |item| item['value'] == attr[:value] }
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if previous && previous['verified_at'].present?
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attr[:verified_at] = previous['verified_at']
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end
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fields << attr
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end
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end
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self[:fields] = fields
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end
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DEFAULT_FIELDS_SIZE = 4
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def build_fields
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return if fields.size >= DEFAULT_FIELDS_SIZE
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tmp = self[:fields] || []
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(DEFAULT_FIELDS_SIZE - tmp.size).times do
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tmp << { name: '', value: '' }
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end
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self.fields = tmp
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end
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def magic_key
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modulus, exponent = [keypair.public_key.n, keypair.public_key.e].map do |component|
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result = []
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until component.zero?
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result << [component % 256].pack('C')
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component >>= 8
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end
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result.reverse.join
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end
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(['RSA'] + [modulus, exponent].map { |n| Base64.urlsafe_encode64(n) }).join('.')
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end
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def subscription(webhook_url)
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@subscription ||= OStatus2::Subscription.new(remote_url, secret: secret, webhook: webhook_url, hub: hub_url)
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end
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def save_with_optional_media!
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save!
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rescue ActiveRecord::RecordInvalid
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self.avatar = nil
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self.header = nil
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self[:avatar_remote_url] = ''
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self[:header_remote_url] = ''
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save!
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end
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def object_type
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:person
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end
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def to_param
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username
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end
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def excluded_from_timeline_account_ids
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Rails.cache.fetch("exclude_account_ids_for:#{id}") { blocking.pluck(:target_account_id) + blocked_by.pluck(:account_id) + muting.pluck(:target_account_id) }
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end
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def excluded_from_timeline_domains
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Rails.cache.fetch("exclude_domains_for:#{id}") { domain_blocks.pluck(:domain) }
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end
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def preferred_inbox_url
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shared_inbox_url.presence || inbox_url
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end
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class Field < ActiveModelSerializers::Model
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attributes :name, :value, :verified_at, :account, :errors
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def initialize(account, attributes)
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@account = account
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@attributes = attributes
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@name = attributes['name'].strip[0, 255]
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@value = attributes['value'].strip[0, 255]
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@verified_at = attributes['verified_at']&.to_datetime
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@errors = {}
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end
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def verified?
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verified_at.present?
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end
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def verifiable?
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value.present? && value.start_with?('http://', 'https://')
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end
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def mark_verified!
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@verified_at = Time.now.utc
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@attributes['verified_at'] = @verified_at
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end
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def to_h
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{ name: @name, value: @value, verified_at: @verified_at }
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end
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end
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class << self
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def readonly_attributes
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super - %w(statuses_count following_count followers_count)
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end
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def domains
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reorder(nil).pluck(Arel.sql('distinct accounts.domain'))
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end
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def inboxes
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urls = reorder(nil).where(protocol: :activitypub).pluck(Arel.sql("distinct coalesce(nullif(accounts.shared_inbox_url, ''), accounts.inbox_url)"))
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DeliveryFailureTracker.filter(urls)
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end
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def search_for(terms, limit = 10)
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textsearch, query = generate_query_for_search(terms)
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sql = <<-SQL.squish
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SELECT
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accounts.*,
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ts_rank_cd(#{textsearch}, #{query}, 32) AS rank
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FROM accounts
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WHERE #{query} @@ #{textsearch}
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AND accounts.suspended = false
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AND accounts.moved_to_account_id IS NULL
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ORDER BY rank DESC
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LIMIT ?
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SQL
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find_by_sql([sql, limit])
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end
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def advanced_search_for(terms, account, limit = 10, following = false)
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textsearch, query = generate_query_for_search(terms)
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if following
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sql = <<-SQL.squish
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WITH first_degree AS (
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SELECT target_account_id
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FROM follows
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WHERE account_id = ?
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)
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SELECT
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accounts.*,
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(count(f.id) + 1) * ts_rank_cd(#{textsearch}, #{query}, 32) AS rank
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FROM accounts
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LEFT OUTER JOIN follows AS f ON (accounts.id = f.account_id AND f.target_account_id = ?) OR (accounts.id = f.target_account_id AND f.account_id = ?)
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WHERE accounts.id IN (SELECT * FROM first_degree)
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AND #{query} @@ #{textsearch}
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AND accounts.suspended = false
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AND accounts.moved_to_account_id IS NULL
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GROUP BY accounts.id
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ORDER BY rank DESC
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LIMIT ?
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SQL
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find_by_sql([sql, account.id, account.id, account.id, limit])
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else
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sql = <<-SQL.squish
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SELECT
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accounts.*,
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(count(f.id) + 1) * ts_rank_cd(#{textsearch}, #{query}, 32) AS rank
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FROM accounts
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LEFT OUTER JOIN follows AS f ON (accounts.id = f.account_id AND f.target_account_id = ?) OR (accounts.id = f.target_account_id AND f.account_id = ?)
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WHERE #{query} @@ #{textsearch}
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AND accounts.suspended = false
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AND accounts.moved_to_account_id IS NULL
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GROUP BY accounts.id
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ORDER BY rank DESC
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LIMIT ?
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SQL
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find_by_sql([sql, account.id, account.id, limit])
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end
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end
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private
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def generate_query_for_search(terms)
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terms = Arel.sql(connection.quote(terms.gsub(/['?\\:]/, ' ')))
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textsearch = "(setweight(to_tsvector('simple', accounts.display_name), 'A') || setweight(to_tsvector('simple', accounts.username), 'B') || setweight(to_tsvector('simple', coalesce(accounts.domain, '')), 'C'))"
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query = "to_tsquery('simple', ''' ' || #{terms} || ' ''' || ':*')"
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[textsearch, query]
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end
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end
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def emojis
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@emojis ||= CustomEmoji.from_text(emojifiable_text, domain)
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end
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before_create :generate_keys
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before_validation :normalize_domain
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before_validation :prepare_contents, if: :local?
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private
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def prepare_contents
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display_name&.strip!
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note&.strip!
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end
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def generate_keys
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return unless local? && !Rails.env.test?
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keypair = OpenSSL::PKey::RSA.new(2048)
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self.private_key = keypair.to_pem
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self.public_key = keypair.public_key.to_pem
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end
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YAML_START = "---\r\n"
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YAML_END = "\r\n...\r\n"
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def note_length_does_not_exceed_length_limit
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note_without_metadata = note
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if note.start_with? YAML_START
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idx = note.index YAML_END
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unless idx.nil?
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note_without_metadata = note[(idx + YAML_END.length) .. -1]
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end
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end
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if note_without_metadata.mb_chars.grapheme_length > MAX_NOTE_LENGTH
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errors.add(:note, "can't be longer than 500 graphemes")
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end
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end
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def normalize_domain
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return if local?
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self.domain = TagManager.instance.normalize_domain(domain)
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end
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def emojifiable_text
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[note, display_name, fields.map(&:value)].join(' ')
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end
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end
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