app/models/status.rb
# 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)
#
class Status < ApplicationRecord
before_destroy :unlink_from_conversations
include Paginable
include Streamable
include Cacheable
include StatusThreadingConcern
# 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#status', :proper) if Chewy.enabled?
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 :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 :reblogs, foreign_key: 'reblog_of_id', class_name: 'Status', inverse_of: :reblog, dependent: :destroy
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 :stream_entry, as: :activity, inverse_of: :status
has_one :status_stat, inverse_of: :status
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?
default_scope { recent }
scope :recent, -> { reorder(id: :desc) }
scope :remote, -> { where(local: false).or(where.not(uri: nil)) }
scope :local, -> { where(local: true).or(where(uri: nil)) }
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) { joins(:statuses_tags).where(statuses_tags: { tag_id: tag }) }
scope :excluding_silenced_accounts, -> { left_outer_joins(:account).where(accounts: { silenced: false }) }
scope :including_silenced_accounts, -> { left_outer_joins(:account).where(accounts: { silenced: true }) }
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) }
cache_associated :account,
:application,
:media_attachments,
:conversation,
:status_stat,
:tags,
:preview_cards,
:stream_entry,
active_mentions: :account,
reblog: [
:account,
:application,
:stream_entry,
:tags,
:preview_cards,
:media_attachments,
:conversation,
:status_stat,
active_mentions: :account,
],
thread: :account
delegate :domain, to: :account, prefix: true
REAL_TIME_WINDOW = 6.hours
def searchable_by(preloaded = nil)
ids = [account_id]
if preloaded.nil?
ids += mentions.pluck(:account_id)
ids += favourites.pluck(:account_id)
ids += reblogs.pluck(:account_id)
else
ids += preloaded.mentions[id] || []
ids += preloaded.favourites[id] || []
ids += preloaded.reblogs[id] || []
end
ids.uniq
end
def reply?
!in_reply_to_id.nil? || attributes['reply']
end
def local?
attributes['local'] || uri.nil?
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 title
if destroyed?
"#{account.acct} deleted status"
else
reblog? ? "#{account.acct} shared a status by #{reblog.account.acct}" : "New status by #{account.acct}"
end
end
def hidden?
private_visibility? || direct_visibility? || limited_visibility?
end
def distributable?
public_visibility? || unlisted_visibility?
end
def with_media?
media_attachments.any?
end
def non_sensitive_with_media?
!sensitive? && with_media?
end
def emojis
@emojis ||= CustomEmoji.from_text([spoiler_text, text].join(' '), account.domain)
end
def mark_for_mass_destruction!
@marked_for_mass_destruction = true
end
def marked_for_mass_destruction?
@marked_for_mass_destruction
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
after_create :increment_counter_caches
after_destroy :decrement_counter_caches
after_create_commit :store_uri, if: :local?
after_create_commit :update_statistics, if: :local?
around_create Mastodon::Snowflake::Callbacks
before_validation :prepare_contents, if: :local?
before_validation :set_reblog
before_validation :set_visibility
before_validation :set_conversation
before_validation :set_local
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_home_timeline(account)
where(account: [account] + account.following).where(visibility: [:public, :unlisted, :private])
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 as_public_timeline(account = nil, local_only = false)
query = timeline_scope(local_only).without_replies
apply_timeline_filters(query, account, local_only)
end
def as_tag_timeline(tag, account = nil, local_only = false)
query = timeline_scope(local_only).tagged_with(tag)
apply_timeline_filters(query, account, local_only)
end
def as_outbox_timeline(account)
where(account: account, visibility: :public)
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 reblogs_map(status_ids, account_id)
select('reblog_of_id').where(reblog_of_id: status_ids).where(account_id: account_id).reorder(nil).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).each_with_object({}) { |a, h| h[a.id] = a }
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 permitted_for(target_account, account)
visibility = [:public, :unlisted]
if account.nil?
where(visibility: visibility)
elsif target_account.blocking?(account) # get rid of blocked peeps
none
elsif account.id == target_account.id # author can see own stuff
all
else
# followers can see followers-only stuff, but also things they are mentioned in.
# non-followers can see everything that isn't private/direct, but can see stuff they are mentioned in.
visibility.push(:private) if account.following?(target_account)
scope = left_outer_joins(:reblog)
scope.where(visibility: visibility)
.or(scope.where(id: account.mentions.select(:status_id)))
.merge(scope.where(reblog_of_id: nil).or(scope.where.not(reblogs_statuses: { account_id: account.excluded_from_timeline_account_ids })))
end
end
private
def timeline_scope(local_only = false)
starting_scope = local_only ? Status.local : Status
starting_scope
.with_public_visibility
.without_reblogs
end
def apply_timeline_filters(query, account, local_only)
if account.nil?
filter_timeline_default(query)
else
filter_timeline_for_account(query, account, local_only)
end
end
def filter_timeline_for_account(query, account, local_only)
query = query.not_excluded_by_account(account)
query = query.not_domain_blocked_by_account(account) unless local_only
query = query.in_chosen_languages(account) if account.chosen_languages.present?
query.merge(account_silencing_filter(account))
end
def filter_timeline_default(query)
query.excluding_silenced_accounts
end
def account_silencing_filter(account)
if account.silenced?
including_myself = left_outer_joins(:account).where(account_id: account.id).references(:accounts)
excluding_silenced_accounts.or(including_myself)
else
excluding_silenced_accounts
end
end
end
private
def update_status_stat!(attrs)
return if marked_for_destruction? || destroyed?
record = status_stat || build_status_stat
record.update(attrs)
end
def store_uri
update_attribute(: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_visibility
self.visibility = (account.locked? ? :private : :public) if visibility.nil?
self.visibility = reblog.visibility if reblog?
self.sensitive = false if sensitive.nil?
end
def set_conversation
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 public_visibility? || unlisted_visibility?
ActivityTracker.increment('activity:statuses:local')
end
def increment_counter_caches
return if direct_visibility?
if association(:account).loaded?
account.update_attribute(:statuses_count, account.statuses_count + 1)
else
Account.where(id: account_id).update_all('statuses_count = COALESCE(statuses_count, 0) + 1')
end
reblog&.increment_count!(:reblogs_count) if reblog?
thread&.increment_count!(:replies_count) if in_reply_to_id.present? && (public_visibility? || unlisted_visibility?)
end
def decrement_counter_caches
return if direct_visibility? || marked_for_mass_destruction?
if association(:account).loaded?
account.update_attribute(:statuses_count, [account.statuses_count - 1, 0].max)
else
Account.where(id: account_id).update_all('statuses_count = GREATEST(COALESCE(statuses_count, 0) - 1, 0)')
end
reblog&.decrement_count!(:reblogs_count) if reblog?
thread&.decrement_count!(:replies_count) if in_reply_to_id.present? && (public_visibility? || unlisted_visibility?)
end
def unlink_from_conversations
return unless direct_visibility?
mentioned_accounts = 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