513 lines
16 KiB
Ruby
513 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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before_destroy :unlink_from_conversations
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include Discard::Model
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include Paginable
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include Cacheable
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include StatusThreadingConcern
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include StatusSnapshotConcern
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include RateLimitable
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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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enum visibility: [:public, :unlisted, :private, :direct, :limited], _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 :preloadable_poll, class_name: 'Poll', foreign_key: 'poll_id', 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 :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
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has_many :mentions, dependent: :destroy, inverse_of: :status
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has_many :active_mentions, -> { active }, class_name: 'Mention', inverse_of: :status
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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 :status_stat, inverse_of: :status
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has_one :poll, inverse_of: :status, dependent: :destroy
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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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validates :visibility, exclusion: { in: %w(direct limited) }, 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, -> { 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_ids) { joins(:statuses_tags).where(statuses_tags: { tag_id: tag_ids }) }
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scope :in_chosen_languages, ->(account) { where(language: nil).or where(language: account.chosen_languages) }
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scope :excluding_silenced_accounts, -> { left_outer_joins(:account).where(accounts: { silenced_at: nil }) }
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scope :including_silenced_accounts, -> { left_outer_joins(:account).where.not(accounts: { silenced_at: nil }) }
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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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scope :tagged_with_all, ->(tag_ids) {
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Array(tag_ids).map(&:to_i).reduce(self) do |result, id|
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result.joins("INNER JOIN statuses_tags t#{id} ON t#{id}.status_id = statuses.id AND t#{id}.tag_id = #{id}")
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end
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}
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scope :tagged_with_none, ->(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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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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:preview_cards,
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:preloadable_poll,
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account: [:account_stat, :user],
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active_mentions: { account: :account_stat },
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reblog: [
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:application,
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:tags,
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:preview_cards,
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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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account: [:account_stat, :user],
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active_mentions: { account: :account_stat },
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],
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thread: { account: :account_stat }
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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 = []
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ids << account_id if local?
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if preloaded.nil?
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ids += mentions.where(account: Account.local, silent: false).pluck(:account_id)
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ids += favourites.where(account: Account.local).pluck(:account_id)
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ids += reblogs.where(account: Account.local).pluck(:account_id)
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ids += bookmarks.where(account: Account.local).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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ids += preloaded.bookmarks[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 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.first
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end
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def hidden?
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!distributable?
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end
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def distributable?
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public_visibility? || unlisted_visibility?
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end
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alias sign? distributable?
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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.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 reported?
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@reported ||= Report.where(target_account: account).unresolved.where('? = ANY(status_ids)', id).exists?
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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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media_attachments
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else
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map = media_attachments.index_by(&:id)
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ordered_media_attachment_ids.map { |media_attachment_id| map[media_attachment_id] }
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end
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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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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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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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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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after_create :set_poll_id
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class << self
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def selectable_visibilities
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visibilities.keys - %w(direct limited)
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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).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 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).includes(:account_stat, :user).index_by(&:id)
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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 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 = begin
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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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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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# Hack to use a "INSERT INTO ... SELECT ..." query instead of "INSERT INTO ... VALUES ..." query
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def self._insert_record(values)
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if values.is_a?(Hash) && values['reblog_of_id'].present?
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primary_key = self.primary_key
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primary_key_value = nil
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if primary_key
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primary_key_value = values[primary_key]
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if !primary_key_value && prefetch_primary_key?
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primary_key_value = next_sequence_value
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values[primary_key] = primary_key_value
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end
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end
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# The following line is where we differ from stock ActiveRecord implementation
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im = _compile_reblog_insert(values)
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# Since we are using SELECT instead of VALUES, a non-error `nil` return is possible.
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# For our purposes, it's equivalent to a foreign key constraint violation
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result = connection.insert(im, "#{self} Create", primary_key || false, primary_key_value)
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raise ActiveRecord::InvalidForeignKey, "(reblog_of_id)=(#{values['reblog_of_id']}) is not present in table \"statuses\"" if result.nil?
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result
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else
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super
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end
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end
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def self._compile_reblog_insert(values)
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# This is somewhat equivalent to the following code of ActiveRecord::Persistence:
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# `arel_table.compile_insert(_substitute_values(values))`
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# The main difference is that we use a `SELECT` instead of a `VALUES` clause,
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# which means we have to build the `SELECT` clause ourselves and do a bit more
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# manual work.
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# Instead of using Arel::InsertManager#values, we are going to use Arel::InsertManager#select
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im = Arel::InsertManager.new
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im.into(arel_table)
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binds = []
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reblog_bind = nil
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values.each do |name, value|
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attr = arel_table[name]
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bind = predicate_builder.build_bind_attribute(attr.name, value)
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im.columns << attr
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binds << bind
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reblog_bind = bind if name == 'reblog_of_id'
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end
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im.select(arel_table.where(arel_table[:id].eq(reblog_bind)).where(arel_table[:deleted_at].eq(nil)).project(*binds))
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im
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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?
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end
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def set_poll_id
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update_column(:poll_id, poll.id) unless poll.nil?
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end
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def set_visibility
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self.visibility = reblog.visibility if reblog? && visibility.nil?
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self.visibility = (account.locked? ? :private : :public) if visibility.nil?
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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.thread = thread.reblog if thread&.reblog?
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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 distributable?
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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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account&.increment_count!(:statuses_count)
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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? && distributable?
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end
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def decrement_counter_caches
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return if direct_visibility? || new_record?
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account&.decrement_count!(:statuses_count)
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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? && distributable?
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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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mentioned_accounts = (association(:mentions).loaded? ? mentions : mentions.includes(:account)).map(&:account)
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inbox_owners = mentioned_accounts.select(&:local?) + (account.local? ? [account] : [])
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inbox_owners.each do |inbox_owner|
|
|
AccountConversation.remove_status(inbox_owner, self)
|
|
end
|
|
end
|
|
end
|