app/models/status.rb

   1 # frozen_string_literal: true
   2 # == Schema Information
   3 #
   4 # Table name: statuses
   5 #
   6 #  id                     :integer          not null, primary key
   7 #  uri                    :string
   8 #  account_id             :integer          not null
   9 #  text                   :text             default(""), not null
  10 #  created_at             :datetime         not null
  11 #  updated_at             :datetime         not null
  12 #  in_reply_to_id         :integer
  13 #  reblog_of_id           :integer
  14 #  url                    :string
  15 #  sensitive              :boolean          default(FALSE), not null
  16 #  visibility             :integer          default("public"), not null
  17 #  in_reply_to_account_id :integer
  18 #  application_id         :integer
  19 #  spoiler_text           :text             default(""), not null
  20 #  reply                  :boolean          default(FALSE), not null
  21 #  favourites_count       :integer          default(0), not null
  22 #  reblogs_count          :integer          default(0), not null
  23 #  language               :string
  24 #  conversation_id        :integer
  25 #  local                  :boolean
  26 #
  27
  28 class Status < ApplicationRecord
  29   include Paginable
  30   include Streamable
  31   include Cacheable
  32   include StatusThreadingConcern
  33   include EmojiHelper
  34
  35   enum visibility: [:public, :unlisted, :private, :direct], _suffix: :visibility
  36
  37   belongs_to :application, class_name: 'Doorkeeper::Application'
  38
  39   belongs_to :account, inverse_of: :statuses, counter_cache: true, required: true
  40   belongs_to :in_reply_to_account, foreign_key: 'in_reply_to_account_id', class_name: 'Account'
  41   belongs_to :conversation
  42
  43   belongs_to :thread, foreign_key: 'in_reply_to_id', class_name: 'Status', inverse_of: :replies
  44   belongs_to :reblog, foreign_key: 'reblog_of_id', class_name: 'Status', inverse_of: :reblogs, counter_cache: :reblogs_count
  45
  46   has_many :favourites, inverse_of: :status, dependent: :destroy
  47   has_many :reblogs, foreign_key: 'reblog_of_id', class_name: 'Status', inverse_of: :reblog, dependent: :destroy
  48   has_many :replies, foreign_key: 'in_reply_to_id', class_name: 'Status', inverse_of: :thread
  49   has_many :mentions, dependent: :destroy
  50   has_many :media_attachments, dependent: :destroy
  51
  52   has_and_belongs_to_many :tags
  53   has_and_belongs_to_many :preview_cards
  54
  55   has_one :notification, as: :activity, dependent: :destroy
  56   has_one :stream_entry, as: :activity, inverse_of: :status
  57
  58   validates :uri, uniqueness: true, presence: true, unless: :local?
  59   validates :text, presence: true, unless: :reblog?
  60   validates_with StatusLengthValidator
  61   validates :reblog, uniqueness: { scope: :account }, if: :reblog?
  62
  63   default_scope { recent }
  64
  65   scope :recent, -> { reorder(id: :desc) }
  66   scope :remote, -> { where(local: false).or(where.not(uri: nil)) }
  67   scope :local,  -> { where(local: true).or(where(uri: nil)) }
  68
  69   scope :without_replies, -> { where('statuses.reply = FALSE OR statuses.in_reply_to_account_id = statuses.account_id') }
  70   scope :without_reblogs, -> { where('statuses.reblog_of_id IS NULL') }
  71   scope :with_public_visibility, -> { where(visibility: :public) }
  72   scope :tagged_with, ->(tag) { joins(:statuses_tags).where(statuses_tags: { tag_id: tag }) }
  73   scope :excluding_silenced_accounts, -> { left_outer_joins(:account).where(accounts: { silenced: false }) }
  74   scope :including_silenced_accounts, -> { left_outer_joins(:account).where(accounts: { silenced: true }) }
  75   scope :not_excluded_by_account, ->(account) { where.not(account_id: account.excluded_from_timeline_account_ids) }
  76   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) }
  77
  78   cache_associated :account, :application, :media_attachments, :tags, :stream_entry, mentions: :account, reblog: [:account, :application, :stream_entry, :tags, :media_attachments, mentions: :account], thread: :account
  79
  80   delegate :domain, to: :account, prefix: true
  81
  82   def reply?
  83     !in_reply_to_id.nil? || attributes['reply']
  84   end
  85
  86   def local?
  87     attributes['local'] || uri.nil?
  88   end
  89
  90   def reblog?
  91     !reblog_of_id.nil?
  92   end
  93
  94   def verb
  95     if destroyed?
  96       :delete
  97     else
  98       reblog? ? :share : :post
  99     end
 100   end
 101
 102   def object_type
 103     reply? ? :comment : :note
 104   end
 105
 106   def proper
 107     reblog? ? reblog : self
 108   end
 109
 110   def content
 111     proper.text
 112   end
 113
 114   def target
 115     reblog
 116   end
 117
 118   def title
 119     if destroyed?
 120       "#{account.acct} deleted status"
 121     else
 122       reblog? ? "#{account.acct} shared a status by #{reblog.account.acct}" : "New status by #{account.acct}"
 123     end
 124   end
 125
 126   def hidden?
 127     private_visibility? || direct_visibility?
 128   end
 129
 130   def non_sensitive_with_media?
 131     !sensitive? && media_attachments.any?
 132   end
 133
 134   def emojis
 135     CustomEmoji.from_text(text, account.domain)
 136   end
 137
 138   after_create :store_uri, if: :local?
 139
 140   before_validation :prepare_contents, if: :local?
 141   before_validation :set_reblog
 142   before_validation :set_visibility
 143   before_validation :set_conversation
 144   before_validation :set_sensitivity
 145   before_validation :set_local
 146
 147   class << self
 148     def not_in_filtered_languages(account)
 149       where(language: nil).or where.not(language: account.filtered_languages)
 150     end
 151
 152     def as_home_timeline(account)
 153       where(account: [account] + account.following).where(visibility: [:public, :unlisted, :private])
 154     end
 155
 156     def as_public_timeline(account = nil, local_only = false)
 157       query = timeline_scope(local_only).without_replies
 158
 159       apply_timeline_filters(query, account, local_only)
 160     end
 161
 162     def as_tag_timeline(tag, account = nil, local_only = false)
 163       query = timeline_scope(local_only).tagged_with(tag)
 164
 165       apply_timeline_filters(query, account, local_only)
 166     end
 167
 168     def as_outbox_timeline(account)
 169       where(account: account, visibility: :public)
 170     end
 171
 172     def favourites_map(status_ids, account_id)
 173       Favourite.select('status_id').where(status_id: status_ids).where(account_id: account_id).map { |f| [f.status_id, true] }.to_h
 174     end
 175
 176     def reblogs_map(status_ids, account_id)
 177       select('reblog_of_id').where(reblog_of_id: status_ids).where(account_id: account_id).map { |s| [s.reblog_of_id, true] }.to_h
 178     end
 179
 180     def mutes_map(conversation_ids, account_id)
 181       ConversationMute.select('conversation_id').where(conversation_id: conversation_ids).where(account_id: account_id).map { |m| [m.conversation_id, true] }.to_h
 182     end
 183
 184     def pins_map(status_ids, account_id)
 185       StatusPin.select('status_id').where(status_id: status_ids).where(account_id: account_id).map { |p| [p.status_id, true] }.to_h
 186     end
 187
 188     def reload_stale_associations!(cached_items)
 189       account_ids = []
 190
 191       cached_items.each do |item|
 192         account_ids << item.account_id
 193         account_ids << item.reblog.account_id if item.reblog?
 194       end
 195
 196       accounts = Account.where(id: account_ids.uniq).map { |a| [a.id, a] }.to_h
 197
 198       cached_items.each do |item|
 199         item.account = accounts[item.account_id]
 200         item.reblog.account = accounts[item.reblog.account_id] if item.reblog?
 201       end
 202     end
 203
 204     def permitted_for(target_account, account)
 205       visibility = [:public, :unlisted]
 206
 207       if account.nil?
 208         where(visibility: visibility)
 209       elsif target_account.blocking?(account) # get rid of blocked peeps
 210         none
 211       elsif account.id == target_account.id # author can see own stuff
 212         all
 213       else
 214         # followers can see followers-only stuff, but also things they are mentioned in.
 215         # non-followers can see everything that isn't private/direct, but can see stuff they are mentioned in.
 216         visibility.push(:private) if account.following?(target_account)
 217
 218         joins("LEFT OUTER JOIN mentions ON statuses.id = mentions.status_id AND mentions.account_id = #{account.id}")
 219           .where(arel_table[:visibility].in(visibility).or(Mention.arel_table[:id].not_eq(nil)))
 220           .order(visibility: :desc)
 221       end
 222     end
 223
 224     private
 225
 226     def timeline_scope(local_only = false)
 227       starting_scope = local_only ? Status.local : Status
 228       starting_scope
 229         .with_public_visibility
 230         .without_reblogs
 231     end
 232
 233     def apply_timeline_filters(query, account, local_only)
 234       if account.nil?
 235         filter_timeline_default(query)
 236       else
 237         filter_timeline_for_account(query, account, local_only)
 238       end
 239     end
 240
 241     def filter_timeline_for_account(query, account, local_only)
 242       query = query.not_excluded_by_account(account)
 243       query = query.not_domain_blocked_by_account(account) unless local_only
 244       query = query.not_in_filtered_languages(account) if account.filtered_languages.present?
 245       query.merge(account_silencing_filter(account))
 246     end
 247
 248     def filter_timeline_default(query)
 249       query.excluding_silenced_accounts
 250     end
 251
 252     def account_silencing_filter(account)
 253       if account.silenced?
 254         including_silenced_accounts
 255       else
 256         excluding_silenced_accounts
 257       end
 258     end
 259   end
 260
 261   private
 262
 263   def store_uri
 264     update_attribute(:uri, ActivityPub::TagManager.instance.uri_for(self)) if uri.nil?
 265   end
 266
 267   def prepare_contents
 268     text&.strip!
 269     spoiler_text&.strip!
 270
 271     self.text         = emojify(text)
 272     self.spoiler_text = emojify(spoiler_text)
 273   end
 274
 275   def set_reblog
 276     self.reblog = reblog.reblog if reblog? && reblog.reblog?
 277   end
 278
 279   def set_visibility
 280     self.visibility = (account.locked? ? :private : :public) if visibility.nil?
 281     self.sensitive  = false if sensitive.nil?
 282   end
 283
 284   def set_sensitivity
 285     self.sensitive = sensitive || spoiler_text.present?
 286   end
 287
 288   def set_conversation
 289     self.reply = !(in_reply_to_id.nil? && thread.nil?) unless reply
 290
 291     if reply? && !thread.nil?
 292       self.in_reply_to_account_id = carried_over_reply_to_account_id
 293       self.conversation_id        = thread.conversation_id if conversation_id.nil?
 294     elsif conversation_id.nil?
 295       create_conversation
 296     end
 297   end
 298
 299   def carried_over_reply_to_account_id
 300     if thread.account_id == account_id && thread.reply?
 301       thread.in_reply_to_account_id
 302     else
 303       thread.account_id
 304     end
 305   end
 306
 307   def set_local
 308     self.local = account.local?
 309   end
 310 end