mastodon/app/models/status.rb

589 lines
19 KiB
Ruby

# frozen_string_literal: true
# == Schema Information
#
# Table name: statuses
#
# id :bigint(8) not null, primary key
# uri :string
# text :text default(""), not null
# created_at :datetime not null
# updated_at :datetime not null
# in_reply_to_id :bigint(8)
# reblog_of_id :bigint(8)
# url :string
# sensitive :boolean default(FALSE), not null
# visibility :integer default("public"), not null
# spoiler_text :text default(""), not null
# reply :boolean default(FALSE), not null
# language :string
# conversation_id :bigint(8)
# local :boolean
# account_id :bigint(8) not null
# application_id :bigint(8)
# in_reply_to_account_id :bigint(8)
# local_only :boolean
# poll_id :bigint(8)
# content_type :string
# deleted_at :datetime
# edited_at :datetime
# trendable :boolean
# ordered_media_attachment_ids :bigint(8) is an Array
#
class Status < ApplicationRecord
before_destroy :unlink_from_conversations
include Discard::Model
include Paginable
include Cacheable
include StatusThreadingConcern
include StatusSnapshotConcern
include RateLimitable
rate_limit by: :account, family: :statuses
self.discard_column = :deleted_at
# If `override_timestamps` is set at creation time, Snowflake ID creation
# will be based on current time instead of `created_at`
attr_accessor :override_timestamps
update_index('statuses', :proper)
enum visibility: [:public, :unlisted, :private, :direct, :limited], _suffix: :visibility
belongs_to :application, class_name: 'Doorkeeper::Application', optional: true
belongs_to :account, inverse_of: :statuses
belongs_to :in_reply_to_account, foreign_key: 'in_reply_to_account_id', class_name: 'Account', optional: true
belongs_to :conversation, optional: true
belongs_to :preloadable_poll, class_name: 'Poll', foreign_key: 'poll_id', optional: true
belongs_to :thread, foreign_key: 'in_reply_to_id', class_name: 'Status', inverse_of: :replies, optional: true
belongs_to :reblog, foreign_key: 'reblog_of_id', class_name: 'Status', inverse_of: :reblogs, optional: true
has_many :favourites, inverse_of: :status, dependent: :destroy
has_many :bookmarks, inverse_of: :status, dependent: :destroy
has_many :reblogs, foreign_key: 'reblog_of_id', class_name: 'Status', inverse_of: :reblog, dependent: :destroy
has_many :reblogged_by_accounts, through: :reblogs, class_name: 'Account', source: :account
has_many :replies, foreign_key: 'in_reply_to_id', class_name: 'Status', inverse_of: :thread
has_many :mentions, dependent: :destroy, inverse_of: :status
has_many :active_mentions, -> { active }, class_name: 'Mention', inverse_of: :status
has_many :media_attachments, dependent: :nullify
has_and_belongs_to_many :tags
has_and_belongs_to_many :preview_cards
has_one :notification, as: :activity, dependent: :destroy
has_one :status_stat, inverse_of: :status
has_one :poll, inverse_of: :status, dependent: :destroy
validates :uri, uniqueness: true, presence: true, unless: :local?
validates :text, presence: true, unless: -> { with_media? || reblog? }
validates_with StatusLengthValidator
validates_with DisallowedHashtagsValidator
validates :reblog, uniqueness: { scope: :account }, if: :reblog?
validates :visibility, exclusion: { in: %w(direct limited) }, if: :reblog?
validates :content_type, inclusion: { in: %w(text/plain text/markdown text/html) }, allow_nil: true
accepts_nested_attributes_for :poll
default_scope { recent.kept }
scope :recent, -> { reorder(id: :desc) }
scope :remote, -> { where(local: false).where.not(uri: nil) }
scope :local, -> { where(local: true).or(where(uri: nil)) }
scope :with_accounts, ->(ids) { where(id: ids).includes(:account) }
scope :without_replies, -> { where('statuses.reply = FALSE OR statuses.in_reply_to_account_id = statuses.account_id') }
scope :without_reblogs, -> { where('statuses.reblog_of_id IS NULL') }
scope :with_public_visibility, -> { where(visibility: :public) }
scope :tagged_with, ->(tag_ids) { joins(:statuses_tags).where(statuses_tags: { tag_id: tag_ids }) }
scope :in_chosen_languages, ->(account) { where(language: nil).or where(language: account.chosen_languages) }
scope :excluding_silenced_accounts, -> { left_outer_joins(:account).where(accounts: { silenced_at: nil }) }
scope :including_silenced_accounts, -> { left_outer_joins(:account).where.not(accounts: { silenced_at: nil }) }
scope :not_excluded_by_account, ->(account) { where.not(account_id: account.excluded_from_timeline_account_ids) }
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) }
scope :tagged_with_all, ->(tag_ids) {
Array(tag_ids).map(&:to_i).reduce(self) do |result, id|
result.joins("INNER JOIN statuses_tags t#{id} ON t#{id}.status_id = statuses.id AND t#{id}.tag_id = #{id}")
end
}
scope :tagged_with_none, ->(tag_ids) {
where('NOT EXISTS (SELECT * FROM statuses_tags forbidden WHERE forbidden.status_id = statuses.id AND forbidden.tag_id IN (?))', tag_ids)
}
scope :not_local_only, -> { where(local_only: [false, nil]) }
cache_associated :application,
:media_attachments,
:conversation,
:status_stat,
:tags,
:preview_cards,
:preloadable_poll,
account: [:account_stat, :user],
active_mentions: { account: :account_stat },
reblog: [
:application,
:tags,
:preview_cards,
:media_attachments,
:conversation,
:status_stat,
:preloadable_poll,
account: [:account_stat, :user],
active_mentions: { account: :account_stat },
],
thread: { account: :account_stat }
delegate :domain, to: :account, prefix: true
REAL_TIME_WINDOW = 6.hours
def searchable_by(preloaded = nil)
ids = []
ids << account_id if local?
if preloaded.nil?
ids += mentions.where(account: Account.local, silent: false).pluck(:account_id)
ids += favourites.where(account: Account.local).pluck(:account_id)
ids += reblogs.where(account: Account.local).pluck(:account_id)
ids += bookmarks.where(account: Account.local).pluck(:account_id)
else
ids += preloaded.mentions[id] || []
ids += preloaded.favourites[id] || []
ids += preloaded.reblogs[id] || []
ids += preloaded.bookmarks[id] || []
end
ids.uniq
end
def searchable_text
[
spoiler_text,
FormattingHelper.extract_status_plain_text(self),
preloadable_poll ? preloadable_poll.options.join("\n\n") : nil,
ordered_media_attachments.map(&:description).join("\n\n"),
].compact.join("\n\n")
end
def reply?
!in_reply_to_id.nil? || attributes['reply']
end
def local?
attributes['local'] || uri.nil?
end
def in_reply_to_local_account?
reply? && thread&.account&.local?
end
def reblog?
!reblog_of_id.nil?
end
def within_realtime_window?
created_at >= REAL_TIME_WINDOW.ago
end
def verb
if destroyed?
:delete
else
reblog? ? :share : :post
end
end
def object_type
reply? ? :comment : :note
end
def proper
reblog? ? reblog : self
end
def content
proper.text
end
def target
reblog
end
def preview_card
preview_cards.first
end
def hidden?
!distributable?
end
def distributable?
public_visibility? || unlisted_visibility?
end
alias sign? distributable?
def with_media?
ordered_media_attachments.any?
end
def with_preview_card?
preview_cards.any?
end
def non_sensitive_with_media?
!sensitive? && with_media?
end
def reported?
@reported ||= Report.where(target_account: account).unresolved.where('? = ANY(status_ids)', id).exists?
end
def emojis
return @emojis if defined?(@emojis)
fields = [spoiler_text, text]
fields += preloadable_poll.options unless preloadable_poll.nil?
@emojis = CustomEmoji.from_text(fields.join(' '), account.domain)
end
def ordered_media_attachments
if ordered_media_attachment_ids.nil?
media_attachments
else
map = media_attachments.index_by(&:id)
ordered_media_attachment_ids.map { |media_attachment_id| map[media_attachment_id] }
end
end
def replies_count
status_stat&.replies_count || 0
end
def reblogs_count
status_stat&.reblogs_count || 0
end
def favourites_count
status_stat&.favourites_count || 0
end
def increment_count!(key)
update_status_stat!(key => public_send(key) + 1)
end
def decrement_count!(key)
update_status_stat!(key => [public_send(key) - 1, 0].max)
end
def trendable?
if attributes['trendable'].nil?
account.trendable?
else
attributes['trendable']
end
end
def requires_review?
attributes['trendable'].nil? && account.requires_review?
end
def requires_review_notification?
attributes['trendable'].nil? && account.requires_review_notification?
end
after_create_commit :increment_counter_caches
after_destroy_commit :decrement_counter_caches
after_create_commit :store_uri, if: :local?
after_create_commit :update_statistics, if: :local?
around_create Mastodon::Snowflake::Callbacks
before_create :set_locality
before_validation :prepare_contents, if: :local?
before_validation :set_reblog
before_validation :set_visibility
before_validation :set_conversation
before_validation :set_local
after_create :set_poll_id
class << self
def selectable_visibilities
visibilities.keys - %w(direct limited)
end
def in_chosen_languages(account)
where(language: nil).or where(language: account.chosen_languages)
end
def as_direct_timeline(account, limit = 20, max_id = nil, since_id = nil, cache_ids = false)
# direct timeline is mix of direct message from_me and to_me.
# 2 queries are executed with pagination.
# constant expression using arel_table is required for partial index
# _from_me part does not require any timeline filters
query_from_me = where(account_id: account.id)
.where(Status.arel_table[:visibility].eq(3))
.limit(limit)
.order('statuses.id DESC')
# _to_me part requires mute and block filter.
# FIXME: may we check mutes.hide_notifications?
query_to_me = Status
.joins(:mentions)
.merge(Mention.where(account_id: account.id))
.where(Status.arel_table[:visibility].eq(3))
.limit(limit)
.order('mentions.status_id DESC')
.not_excluded_by_account(account)
if max_id.present?
query_from_me = query_from_me.where('statuses.id < ?', max_id)
query_to_me = query_to_me.where('mentions.status_id < ?', max_id)
end
if since_id.present?
query_from_me = query_from_me.where('statuses.id > ?', since_id)
query_to_me = query_to_me.where('mentions.status_id > ?', since_id)
end
if cache_ids
# returns array of cache_ids object that have id and updated_at
(query_from_me.cache_ids.to_a + query_to_me.cache_ids.to_a).uniq(&:id).sort_by(&:id).reverse.take(limit)
else
# returns ActiveRecord.Relation
items = (query_from_me.select(:id).to_a + query_to_me.select(:id).to_a).uniq(&:id).sort_by(&:id).reverse.take(limit)
Status.where(id: items.map(&:id))
end
end
def favourites_map(status_ids, account_id)
Favourite.select('status_id').where(status_id: status_ids).where(account_id: account_id).each_with_object({}) { |f, h| h[f.status_id] = true }
end
def bookmarks_map(status_ids, account_id)
Bookmark.select('status_id').where(status_id: status_ids).where(account_id: account_id).map { |f| [f.status_id, true] }.to_h
end
def reblogs_map(status_ids, account_id)
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 }
end
def mutes_map(conversation_ids, account_id)
ConversationMute.select('conversation_id').where(conversation_id: conversation_ids).where(account_id: account_id).each_with_object({}) { |m, h| h[m.conversation_id] = true }
end
def pins_map(status_ids, account_id)
StatusPin.select('status_id').where(status_id: status_ids).where(account_id: account_id).each_with_object({}) { |p, h| h[p.status_id] = true }
end
def reload_stale_associations!(cached_items)
account_ids = []
cached_items.each do |item|
account_ids << item.account_id
account_ids << item.reblog.account_id if item.reblog?
end
account_ids.uniq!
return if account_ids.empty?
accounts = Account.where(id: account_ids).includes(:account_stat, :user).index_by(&:id)
cached_items.each do |item|
item.account = accounts[item.account_id]
item.reblog.account = accounts[item.reblog.account_id] if item.reblog?
end
end
def from_text(text)
return [] if text.blank?
text.scan(FetchLinkCardService::URL_PATTERN).map(&:second).uniq.filter_map do |url|
status = begin
if TagManager.instance.local_url?(url)
ActivityPub::TagManager.instance.uri_to_resource(url, Status)
else
EntityCache.instance.status(url)
end
end
status&.distributable? ? status : nil
end
end
end
def marked_local_only?
# match both with and without U+FE0F (the emoji variation selector)
/#{local_only_emoji}\ufe0f?\z/.match?(content)
end
def local_only_emoji
'👁'
end
def status_stat
super || build_status_stat
end
# Hack to use a "INSERT INTO ... SELECT ..." query instead of "INSERT INTO ... VALUES ..." query
def self._insert_record(values)
if values.is_a?(Hash) && values['reblog_of_id'].present?
primary_key = self.primary_key
primary_key_value = nil
if primary_key
primary_key_value = values[primary_key]
if !primary_key_value && prefetch_primary_key?
primary_key_value = next_sequence_value
values[primary_key] = primary_key_value
end
end
# The following line is where we differ from stock ActiveRecord implementation
im = _compile_reblog_insert(values)
# Since we are using SELECT instead of VALUES, a non-error `nil` return is possible.
# For our purposes, it's equivalent to a foreign key constraint violation
result = connection.insert(im, "#{self} Create", primary_key || false, primary_key_value)
raise ActiveRecord::InvalidForeignKey, "(reblog_of_id)=(#{values['reblog_of_id']}) is not present in table \"statuses\"" if result.nil?
result
else
super
end
end
def self._compile_reblog_insert(values)
# This is somewhat equivalent to the following code of ActiveRecord::Persistence:
# `arel_table.compile_insert(_substitute_values(values))`
# The main difference is that we use a `SELECT` instead of a `VALUES` clause,
# which means we have to build the `SELECT` clause ourselves and do a bit more
# manual work.
# Instead of using Arel::InsertManager#values, we are going to use Arel::InsertManager#select
im = Arel::InsertManager.new
im.into(arel_table)
binds = []
reblog_bind = nil
values.each do |name, value|
attr = arel_table[name]
bind = predicate_builder.build_bind_attribute(attr.name, value)
im.columns << attr
binds << bind
reblog_bind = bind if name == 'reblog_of_id'
end
im.select(arel_table.where(arel_table[:id].eq(reblog_bind)).where(arel_table[:deleted_at].eq(nil)).project(*binds))
im
end
private
def update_status_stat!(attrs)
return if marked_for_destruction? || destroyed?
status_stat.update(attrs)
end
def store_uri
update_column(:uri, ActivityPub::TagManager.instance.uri_for(self)) if uri.nil?
end
def prepare_contents
text&.strip!
spoiler_text&.strip!
end
def set_reblog
self.reblog = reblog.reblog if reblog? && reblog.reblog?
end
def set_poll_id
update_column(:poll_id, poll.id) unless poll.nil?
end
def set_visibility
self.visibility = reblog.visibility if reblog? && visibility.nil?
self.visibility = (account.locked? ? :private : :public) if visibility.nil?
self.sensitive = false if sensitive.nil?
end
def set_locality
if account.domain.nil? && !attribute_changed?(:local_only)
self.local_only = marked_local_only?
end
end
def set_conversation
self.thread = thread.reblog if thread&.reblog?
self.reply = !(in_reply_to_id.nil? && thread.nil?) unless reply
if reply? && !thread.nil?
self.in_reply_to_account_id = carried_over_reply_to_account_id
self.conversation_id = thread.conversation_id if conversation_id.nil?
elsif conversation_id.nil?
self.conversation = Conversation.new
end
end
def carried_over_reply_to_account_id
if thread.account_id == account_id && thread.reply?
thread.in_reply_to_account_id
else
thread.account_id
end
end
def set_local
self.local = account.local?
end
def update_statistics
return unless distributable?
ActivityTracker.increment('activity:statuses:local')
end
def increment_counter_caches
return if direct_visibility?
account&.increment_count!(:statuses_count)
reblog&.increment_count!(:reblogs_count) if reblog?
thread&.increment_count!(:replies_count) if in_reply_to_id.present? && distributable?
end
def decrement_counter_caches
return if direct_visibility? || new_record?
account&.decrement_count!(:statuses_count)
reblog&.decrement_count!(:reblogs_count) if reblog?
thread&.decrement_count!(:replies_count) if in_reply_to_id.present? && distributable?
end
def unlink_from_conversations
return unless direct_visibility?
mentioned_accounts = (association(:mentions).loaded? ? mentions : mentions.includes(:account)).map(&:account)
inbox_owners = mentioned_accounts.select(&:local?) + (account.local? ? [account] : [])
inbox_owners.each do |inbox_owner|
AccountConversation.remove_status(inbox_owner, self)
end
end
end