Federated social network node, running on kosmos.social https://kosmos.social
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mastodon/app/models/status.rb

213 lines
8.4 KiB

# frozen_string_literal: true
class Status < ApplicationRecord
include ActiveModel::Validations
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
belongs_to :in_reply_to_account, foreign_key: 'in_reply_to_account_id', class_name: 'Account'
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 :account, presence: true
validates :uri, uniqueness: true, unless: 'local?'
validates :text, presence: true, unless: 'reblog?'
validates_with StatusLengthValidator
validates :reblog, uniqueness: { scope: :account, message: 'of status already exists' }, if: 'reblog?'
default_scope { order('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') }
cache_associated :account, :application, :media_attachments, :tags, :stream_entry, mentions: :account, reblog: [:account, :application, :stream_entry, :tags, :media_attachments, mentions: :account], thread: :account
def reply?
super || !in_reply_to_id.nil?
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 permitted?(other_account = nil)
if direct_visibility?
account.id == other_account&.id || mentions.where(account: other_account).exists?
elsif private_visibility?
account.id == other_account&.id || other_account&.following?(account) || mentions.where(account: other_account).exists?
else
other_account.nil? || !account.blocking?(other_account)
end
end
def ancestors(account = nil)
ids = (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)
statuses = Status.where(id: ids).group_by(&:id)
results = ids.map { |id| statuses[id].first }
results = results.reject { |status| filter_from_context?(status, account) }
results
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)
statuses = Status.where(id: ids).group_by(&:id)
results = ids.map { |id| statuses[id].first }
results = results.reject { |status| filter_from_context?(status, account) }
results
end
def non_sensitive_with_media?
!sensitive? && media_attachments.any?
end
class << self
def as_home_timeline(account)
where(account: [account] + account.following)
end
def as_public_timeline(account = nil, local_only = false)
query = joins('LEFT OUTER JOIN accounts ON statuses.account_id = accounts.id')
.where(visibility: :public)
.without_replies
.without_reblogs
query = query.where('accounts.domain IS NULL') if local_only
account.nil? ? filter_timeline_default(query) : filter_timeline_default(filter_timeline(query, account))
end
def as_tag_timeline(tag, account = nil, local_only = false)
query = tag.statuses
.joins('LEFT OUTER JOIN accounts ON statuses.account_id = accounts.id')
.where(visibility: :public)
.without_reblogs
query = query.where('accounts.domain IS NULL') if local_only
account.nil? ? filter_timeline_default(query) : filter_timeline_default(filter_timeline(query, account))
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 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)
return where.not(visibility: [:private, :direct]) if account.nil?
if target_account.blocking?(account) # get rid of blocked peeps
none
elsif account.id == target_account.id # author can see own stuff
all
elsif account.following?(target_account) # followers can see followers-only stuff, but also things they are mentioned in
joins('LEFT OUTER JOIN mentions ON statuses.id = mentions.status_id AND mentions.account_id = ' + account.id.to_s)
.where('statuses.visibility != ? OR mentions.id IS NOT NULL', Status.visibilities[:direct])
else # non-followers can see everything that isn't private/direct, but can see stuff they are mentioned in
joins('LEFT OUTER JOIN mentions ON statuses.id = mentions.status_id AND mentions.account_id = ' + account.id.to_s)
.where('statuses.visibility NOT IN (?) OR mentions.id IS NOT NULL', [Status.visibilities[:direct], Status.visibilities[:private]])
end
end
private
def filter_timeline(query, account)
blocked = Block.where(account: account).pluck(:target_account_id) + Block.where(target_account: account).pluck(:account_id) + Mute.where(account: account).pluck(:target_account_id)
query = query.where('statuses.account_id NOT IN (?)', blocked) unless blocked.empty? # Only give us statuses from people we haven't blocked, or muted, or that have blocked us
query = query.where('accounts.silenced = TRUE') if account.silenced? # and if we're hellbanned, only people who are also hellbanned
query
end
def filter_timeline_default(query)
query.where('accounts.silenced = FALSE')
end
end
before_validation do
text&.strip!
spoiler_text&.strip!
self.reply = !(in_reply_to_id.nil? && thread.nil?) unless reply
self.reblog = reblog.reblog if reblog? && reblog.reblog?
self.in_reply_to_account_id = (thread.account_id == account_id && thread.reply? ? thread.in_reply_to_account_id : thread.account_id) if reply? && !thread.nil?
self.visibility = (account.locked? ? :private : :public) if visibility.nil?
end
private
def filter_from_context?(status, account)
account&.blocking?(status.account_id) || account&.muting?(status.account_id) || (status.account.silenced? && !account&.following?(status.account_id)) || !status.permitted?(account)
end
end