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metu.life/app/models/status.rb

299 lines
11 KiB

# frozen_string_literal: true
# == Schema Information
#
# Table name: statuses
#
# id :integer not null, primary key
# uri :string
# account_id :integer not null
# text :text default(""), not null
# created_at :datetime not null
# updated_at :datetime not null
# in_reply_to_id :integer
# reblog_of_id :integer
# url :string
# sensitive :boolean default(FALSE)
# visibility :integer default("public"), not null
# in_reply_to_account_id :integer
# application_id :integer
# spoiler_text :text default(""), not null
# reply :boolean default(FALSE)
# favourites_count :integer default(0), not null
# reblogs_count :integer default(0), not null
# language :string default("en"), not null
# conversation_id :integer
#
class Status < ApplicationRecord
include Paginable
include Streamable
include Cacheable
enum visibility: [:public, :unlisted, :private, :direct], _suffix: :visibility
belongs_to :application, class_name: 'Doorkeeper::Application'
belongs_to :account, inverse_of: :statuses, counter_cache: true, required: true
belongs_to :in_reply_to_account, foreign_key: 'in_reply_to_account_id', class_name: 'Account'
belongs_to :conversation
belongs_to :thread, foreign_key: 'in_reply_to_id', class_name: 'Status', inverse_of: :replies
belongs_to :reblog, foreign_key: 'reblog_of_id', class_name: 'Status', inverse_of: :reblogs, counter_cache: :reblogs_count
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
has_many :media_attachments, dependent: :destroy
has_and_belongs_to_many :tags
has_one :notification, as: :activity, dependent: :destroy
has_one :preview_card, dependent: :destroy
validates :uri, uniqueness: true, unless: :local?
validates :text, presence: true, unless: :reblog?
validates_with StatusLengthValidator
validates :reblog, uniqueness: { scope: :account }, if: :reblog?
default_scope { recent }
scope :recent, -> { reorder(id: :desc) }
scope :remote, -> { where.not(uri: nil) }
scope :local, -> { 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 :local_only, -> { left_outer_joins(:account).where(accounts: { domain: nil }) }
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, :tags, :stream_entry, mentions: :account, reblog: [:account, :application, :stream_entry, :tags, :media_attachments, mentions: :account], thread: :account
delegate :domain, to: :account, prefix: true
def reply?
!in_reply_to_id.nil? || attributes['reply']
end
def local?
uri.nil?
end
def reblog?
!reblog_of_id.nil?
end
def verb
reblog? ? :share : :post
end
def object_type
reply? ? :comment : :note
end
def proper
reblog? ? reblog : self
end
def content
proper.text
end
def target
reblog
end
def title
reblog? ? "#{account.acct} shared a status by #{reblog.account.acct}" : "New status by #{account.acct}"
end
def hidden?
private_visibility? || direct_visibility?
end
def ancestors(account = nil)
ids = Rails.cache.fetch("ancestors:#{id}") { (Status.find_by_sql(['WITH RECURSIVE search_tree(id, in_reply_to_id, path) AS (SELECT id, in_reply_to_id, ARRAY[id] FROM statuses WHERE id = ? UNION ALL SELECT statuses.id, statuses.in_reply_to_id, path || statuses.id FROM search_tree JOIN statuses ON statuses.id = search_tree.in_reply_to_id WHERE NOT statuses.id = ANY(path)) SELECT id FROM search_tree ORDER BY path DESC', id]) - [self]).pluck(:id) }
find_statuses_from_tree_path(ids, account)
end
def descendants(account = nil)
ids = (Status.find_by_sql(['WITH RECURSIVE search_tree(id, path) AS (SELECT id, ARRAY[id] FROM statuses WHERE id = ? UNION ALL SELECT statuses.id, path || statuses.id FROM search_tree JOIN statuses ON statuses.in_reply_to_id = search_tree.id WHERE NOT statuses.id = ANY(path)) SELECT id FROM search_tree ORDER BY path', id]) - [self]).pluck(:id)
find_statuses_from_tree_path(ids, account)
end
def non_sensitive_with_media?
!sensitive? && media_attachments.any?
end
before_validation :prepare_contents
before_validation :set_reblog
before_validation :set_visibility
before_validation :set_conversation
class << self
def not_in_filtered_languages(account)
where.not(language: account.filtered_languages)
end
def as_home_timeline(account)
where(account: [account] + account.following)
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).map { |f| [f.status_id, true] }.to_h
end
def reblogs_map(status_ids, account_id)
select('reblog_of_id').where(reblog_of_id: status_ids).where(account_id: account_id).map { |s| [s.reblog_of_id, true] }.to_h
end
def mutes_map(conversation_ids, account_id)
ConversationMute.select('conversation_id').where(conversation_id: conversation_ids).where(account_id: account_id).map { |m| [m.conversation_id, true] }.to_h
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
accounts = Account.where(id: account_ids.uniq).map { |a| [a.id, a] }.to_h
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)
joins("LEFT OUTER JOIN mentions ON statuses.id = mentions.status_id AND mentions.account_id = #{account.id}")
.where(arel_table[:visibility].in(visibility).or(Mention.arel_table[:id].not_eq(nil)))
.order(visibility: :desc)
end
end
private
def timeline_scope(local_only = false)
starting_scope = local_only ? Status.local_only : 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.not_in_filtered_languages(account) if account.filtered_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_silenced_accounts
else
excluding_silenced_accounts
end
end
end
private
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?
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?
create_conversation
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 find_statuses_from_tree_path(ids, account)
statuses = Status.where(id: ids).includes(:account).to_a
# FIXME: n+1 bonanza
statuses.reject! { |status| filter_from_context?(status, account) }
# Order ancestors/descendants by tree path
statuses.sort_by! { |status| ids.index(status.id) }
end
def filter_from_context?(status, account)
should_filter = account&.blocking?(status.account_id)
should_filter ||= account&.domain_blocking?(status.account_domain)
should_filter ||= account&.muting?(status.account_id)
should_filter ||= (status.account.silenced? && !account&.following?(status.account_id))
should_filter ||= !StatusPolicy.new(account, status).show?
should_filter
end
end