closed-social
/
mastodon


								# frozen_string_literal: true

								# == Schema Information

								#

								# Table name: accounts

								#

								#  id                      :integer          not null, primary key

								#  username                :string           default(""), not null

								#  domain                  :string

								#  secret                  :string           default(""), not null

								#  private_key             :text

								#  public_key              :text             default(""), not null

								#  remote_url              :string           default(""), not null

								#  salmon_url              :string           default(""), not null

								#  hub_url                 :string           default(""), not null

								#  created_at              :datetime         not null

								#  updated_at              :datetime         not null

								#  note                    :text             default(""), not null

								#  display_name            :string           default(""), not null

								#  uri                     :string           default(""), not null

								#  url                     :string

								#  avatar_file_name        :string

								#  avatar_content_type     :string

								#  avatar_file_size        :integer

								#  avatar_updated_at       :datetime

								#  header_file_name        :string

								#  header_content_type     :string

								#  header_file_size        :integer

								#  header_updated_at       :datetime

								#  avatar_remote_url       :string

								#  subscription_expires_at :datetime

								#  silenced                :boolean          default(FALSE), not null

								#  suspended               :boolean          default(FALSE), not null

								#  locked                  :boolean          default(FALSE), not null

								#  header_remote_url       :string           default(""), not null

								#  statuses_count          :integer          default(0), not null

								#  followers_count         :integer          default(0), not null

								#  following_count         :integer          default(0), not null

								#  last_webfingered_at     :datetime

								#


								class Account < ApplicationRecord

								  MENTION_RE = /(?:^|[^\/[:word:]])@([a-z0-9_]+(?:@[a-z0-9\.\-]+[a-z0-9]+)?)/i


								  include AccountAvatar

								  include AccountFinderConcern

								  include AccountHeader

								  include AccountInteractions

								  include Attachmentable

								  include Remotable


								  # Local users

								  has_one :user, inverse_of: :account


								  validates :username, presence: true


								  # Remote user validations

								  validates :username, uniqueness: { scope: :domain, case_sensitive: true }, if: -> { !local? && will_save_change_to_username? }


								  # Local user validations

								  validates :username, format: { with: /\A[a-z0-9_]+\z/i }, uniqueness: { scope: :domain, case_sensitive: false }, length: { maximum: 30 }, if: -> { local? && will_save_change_to_username? }

								  validates_with UnreservedUsernameValidator, if: -> { local? && will_save_change_to_username? }

								  validates :display_name, length: { maximum: 30 }, if: -> { local? && will_save_change_to_display_name? }

								  validates :note, length: { maximum: 160 }, if: -> { local? && will_save_change_to_note? }


								  # Timelines

								  has_many :stream_entries, inverse_of: :account, dependent: :destroy

								  has_many :statuses, inverse_of: :account, dependent: :destroy

								  has_many :favourites, inverse_of: :account, dependent: :destroy

								  has_many :mentions, inverse_of: :account, dependent: :destroy

								  has_many :notifications, inverse_of: :account, dependent: :destroy


								  # Media

								  has_many :media_attachments, dependent: :destroy


								  # PuSH subscriptions

								  has_many :subscriptions, dependent: :destroy


								  # Report relationships

								  has_many :reports

								  has_many :targeted_reports, class_name: 'Report', foreign_key: :target_account_id


								  scope :remote, -> { where.not(domain: nil) }

								  scope :local, -> { where(domain: nil) }

								  scope :without_followers, -> { where(followers_count: 0) }

								  scope :with_followers, -> { where('followers_count > 0') }

								  scope :expiring, ->(time) { where(subscription_expires_at: nil).or(where('subscription_expires_at < ?', time)).remote.with_followers }

								  scope :partitioned, -> { order('row_number() over (partition by domain)') }

								  scope :silenced, -> { where(silenced: true) }

								  scope :suspended, -> { where(suspended: true) }

								  scope :recent, -> { reorder(id: :desc) }

								  scope :alphabetic, -> { order(domain: :asc, username: :asc) }

								  scope :by_domain_accounts, -> { group(:domain).select(:domain, 'COUNT(*) AS accounts_count').order('accounts_count desc') }

								  scope :matches_username, ->(value) { where(arel_table[:username].matches("#{value}%")) }

								  scope :matches_display_name, ->(value) { where(arel_table[:display_name].matches("#{value}%")) }


								  delegate :email,

								           :current_sign_in_ip,

								           :current_sign_in_at,

								           :confirmed?,

								           :locale,

								           to: :user,

								           prefix: true,

								           allow_nil: true


								  delegate :filtered_languages, to: :user, prefix: false, allow_nil: true


								  def local?

								    domain.nil?

								  end


								  def acct

								    local? ? username : "#{username}@#{domain}"

								  end


								  def local_username_and_domain

								    "#{username}@#{Rails.configuration.x.local_domain}"

								  end


								  def to_webfinger_s

								    "acct:#{local_username_and_domain}"

								  end


								  def subscribed?

								    subscription_expires_at.present?

								  end


								  def keypair

								    OpenSSL::PKey::RSA.new(private_key || public_key)

								  end


								  def subscription(webhook_url)

								    OStatus2::Subscription.new(remote_url, secret: secret, lease_seconds: 86_400 * 30, webhook: webhook_url, hub: hub_url)

								  end


								  def save_with_optional_media!

								    save!

								  rescue ActiveRecord::RecordInvalid

								    self.avatar              = nil

								    self.header              = nil

								    self[:avatar_remote_url] = ''

								    self[:header_remote_url] = ''

								    save!

								  end


								  def object_type

								    :person

								  end


								  def to_param

								    username

								  end


								  def excluded_from_timeline_account_ids

								    Rails.cache.fetch("exclude_account_ids_for:#{id}") { blocking.pluck(:target_account_id) + blocked_by.pluck(:account_id) + muting.pluck(:target_account_id) }

								  end


								  def excluded_from_timeline_domains

								    Rails.cache.fetch("exclude_domains_for:#{id}") { domain_blocks.pluck(:domain) }

								  end


								  class << self

								    def domains

								      reorder(nil).pluck('distinct accounts.domain')

								    end


								    def triadic_closures(account, limit: 5, offset: 0)

								      sql = <<-SQL.squish

								        WITH first_degree AS (

								          SELECT target_account_id

								          FROM follows

								          WHERE account_id = :account_id

								        )

								        SELECT accounts.*

								        FROM follows

								        INNER JOIN accounts ON follows.target_account_id = accounts.id

								        WHERE

								          account_id IN (SELECT * FROM first_degree)

								          AND target_account_id NOT IN (SELECT * FROM first_degree)

								          AND target_account_id NOT IN (:excluded_account_ids)

								          AND accounts.suspended = false

								        GROUP BY target_account_id, accounts.id

								        ORDER BY count(account_id) DESC

								        OFFSET :offset

								        LIMIT :limit

								      SQL


								      excluded_account_ids = account.excluded_from_timeline_account_ids + [account.id]


								      find_by_sql(

								        [sql, { account_id: account.id, excluded_account_ids: excluded_account_ids, limit: limit, offset: offset }]

								      )

								    end


								    def search_for(terms, limit = 10)

								      textsearch, query = generate_query_for_search(terms)


								      sql = <<-SQL.squish

								        SELECT

								          accounts.*,

								          ts_rank_cd(#{textsearch}, #{query}, 32) AS rank

								        FROM accounts

								        WHERE #{query} @@ #{textsearch}

								          AND accounts.suspended = false

								        ORDER BY rank DESC

								        LIMIT ?

								      SQL


								      find_by_sql([sql, limit])

								    end


								    def advanced_search_for(terms, account, limit = 10)

								      textsearch, query = generate_query_for_search(terms)


								      sql = <<-SQL.squish

								        SELECT

								          accounts.*,

								          (count(f.id) + 1) * ts_rank_cd(#{textsearch}, #{query}, 32) AS rank

								        FROM accounts

								        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 = ?)

								        WHERE #{query} @@ #{textsearch}

								          AND accounts.suspended = false

								        GROUP BY accounts.id

								        ORDER BY rank DESC

								        LIMIT ?

								      SQL


								      find_by_sql([sql, account.id, account.id, limit])

								    end


								    private


								    def generate_query_for_search(terms)

								      terms      = Arel.sql(connection.quote(terms.gsub(/['?\\:]/, ' ')))

								      textsearch = "(setweight(to_tsvector('simple', accounts.display_name), 'A') || setweight(to_tsvector('simple', accounts.username), 'B') || setweight(to_tsvector('simple', coalesce(accounts.domain, '')), 'C'))"

								      query      = "to_tsquery('simple', ''' ' || #{terms} || ' ''' || ':*')"


								      [textsearch, query]

								    end

								  end


								  before_create :generate_keys

								  before_validation :normalize_domain


								  private


								  def generate_keys

								    return unless local?


								    keypair = OpenSSL::PKey::RSA.new(Rails.env.test? ? 1024 : 2048)

								    self.private_key = keypair.to_pem

								    self.public_key  = keypair.public_key.to_pem

								  end


								  def normalize_domain

								    return if local?


								    self.domain = TagManager.instance.normalize_domain(domain)

								  end

								end