Add support for `indexable` attribute on remote actors (#26485)

Co-authored-by: Eugen Rochko <eugen@zeonfederated.com>

app/helpers/context_helper.rb

@@ -20,6 +20,7 @@ module ContextHelper
     focal_point: { 'toot' => 'http://joinmastodon.org/ns#', 'focalPoint' => { '@container' => '@list', '@id' => 'toot:focalPoint' } },
     blurhash: { 'toot' => 'http://joinmastodon.org/ns#', 'blurhash' => 'toot:blurhash' },
     discoverable: { 'toot' => 'http://joinmastodon.org/ns#', 'discoverable' => 'toot:discoverable' },
+    indexable: { 'toot' => 'http://joinmastodon.org/ns#', 'indexable' => 'toot:indexable' },
     voters_count: { 'toot' => 'http://joinmastodon.org/ns#', 'votersCount' => 'toot:votersCount' },
     olm: {
       'toot' => 'http://joinmastodon.org/ns#', 'Device' => 'toot:Device', 'Ed25519Signature' => 'toot:Ed25519Signature', 'Ed25519Key' => 'toot:Ed25519Key', 'Curve25519Key' => 'toot:Curve25519Key', 'EncryptedMessage' => 'toot:EncryptedMessage', 'publicKeyBase64' => 'toot:publicKeyBase64', 'deviceId' => 'toot:deviceId',

app/models/account.rb

@@ -50,6 +50,7 @@
 #  trendable                     :boolean
 #  reviewed_at                   :datetime
 #  requested_review_at           :datetime
+#  indexable                     :boolean          default(FALSE), not null
 #
 
 class Account < ApplicationRecord

app/services/activitypub/process_account_service.rb

@@ -115,6 +115,7 @@ class ActivityPub::ProcessAccountService < BaseService
     @account.fields                  = property_values || {}
     @account.also_known_as           = as_array(@json['alsoKnownAs'] || []).map { |item| value_or_id(item) }
     @account.discoverable            = @json['discoverable'] || false
+    @account.indexable               = @json['indexable'] || false
   end
 
   def set_fetchable_key!

db/migrate/20230814223300_add_indexable_to_accounts.rb

@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+require Rails.root.join('lib', 'mastodon', 'migration_helpers')
+
+class AddIndexableToAccounts < ActiveRecord::Migration[7.0]
+  include Mastodon::MigrationHelpers
+
+  disable_ddl_transaction!
+
+  def up
+    safety_assured { add_column_with_default :accounts, :indexable, :boolean, default: false, allow_null: false }
+  end
+
+  def down
+    remove_column :accounts, :indexable
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.0].define(version: 2023_08_11_103651) do
+ActiveRecord::Schema[7.0].define(version: 2023_08_14_223300) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
@@ -185,6 +185,7 @@ ActiveRecord::Schema[7.0].define(version: 2023_08_11_103651) do
     t.boolean "trendable"
     t.datetime "reviewed_at", precision: nil
     t.datetime "requested_review_at", precision: nil
+    t.boolean "indexable", default: false, null: false
     t.index "(((setweight(to_tsvector('simple'::regconfig, (display_name)::text), 'A'::\"char\") || setweight(to_tsvector('simple'::regconfig, (username)::text), 'B'::\"char\")) || setweight(to_tsvector('simple'::regconfig, (COALESCE(domain, ''::character varying))::text), 'C'::\"char\")))", name: "search_index", using: :gin
     t.index "lower((username)::text), COALESCE(lower((domain)::text), ''::text)", name: "index_accounts_on_username_and_domain_lower", unique: true
     t.index ["domain", "id"], name: "index_accounts_on_domain_and_id"