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# frozen_string_literal: true
class Status < ApplicationRecord
include Paginable
include Streamable
include Cacheable
enum visibility: [:public, :unlisted, :private], _suffix: :visibility
belongs_to :account, inverse_of: :statuses
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, touch: 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
has_many :media_attachments, dependent: :destroy
has_and_belongs_to_many :tags
has_one :notification, as: :activity, dependent: :destroy
validates :account, presence: true
validates :uri, uniqueness: true, unless: 'local?'
validates :text, presence: true, length: { maximum: 500 }, if: proc { |s| s.local? && !s.reblog? }
validates :text, presence: true, if: proc { |s| !s.local? && !s.reblog? }
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) }
cache_associated :account, :media_attachments, :tags, :stream_entry, mentions: :account, reblog: [:account, :stream_entry, :tags, :media_attachments, mentions: :account], thread: :account
def local?
uri.nil?
end
def reblog?
!reblog_of_id.nil?
end
def reply?
!in_reply_to_id.nil?
end
def verb
reblog? ? :share : :post
end
def object_type
reply? ? :comment : :note
end
def content
reblog? ? reblog.text : text
end
def target
reblog
end
def title
content
end
def hidden?
private_visibility?
end
def permitted?(other_account = nil)
private_visibility? ? (account.id == other_account&.id || other_account&.following?(account)) : true
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).with_includes.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).with_includes.group_by(&:id)
results = ids.map { |id| statuses[id].first }
results = results.reject { |status| filter_from_context?(status, account) }
results
end
class << self
def as_home_timeline(account)
where(account: [account] + account.following)
end
def as_mentions_timeline(account)
where(id: Mention.where(account: account).select(:status_id))
end
def as_public_timeline(account = nil)
query = joins('LEFT OUTER JOIN accounts ON statuses.account_id = accounts.id')
.where(visibility: :public)
.where('(statuses.in_reply_to_id IS NULL OR statuses.in_reply_to_account_id = statuses.account_id)')
.where('statuses.reblog_of_id IS NULL')
account.nil? ? filter_timeline_default(query) : filter_timeline_default(filter_timeline(query, account))
end
def as_tag_timeline(tag, account = nil)
query = tag.statuses
.joins('LEFT OUTER JOIN accounts ON statuses.account_id = accounts.id')
.where(visibility: :public)
.where('(statuses.in_reply_to_id IS NULL OR statuses.in_reply_to_account_id = statuses.account_id)')
.where('statuses.reblog_of_id IS NULL')
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 permitted_for(target_account, account)
if account&.id == target_account.id || account&.following?(target_account)
self
else
where.not(visibility: :private)
end
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
private
def filter_timeline(query, account)
blocked = Block.where(account: account).pluck(:target_account_id)
query = query.where('statuses.account_id NOT IN (?)', blocked) unless blocked.empty?
query = query.where('accounts.silenced = TRUE') if account.silenced?
query
end
def filter_timeline_default(query)
query.where('accounts.silenced = FALSE')
end
end
before_validation do
text.strip!
self.reblog = reblog.reblog if reblog? && reblog.reblog?
self.in_reply_to_account_id = thread.account_id if reply?
self.visibility = (account.locked? ? :private : :public) if visibility.nil?
end
private
def filter_from_context?(status, account)
account&.blocking?(status.account) || !status.permitted?(account)
end
end
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