Add /api/v1/accounts/familiar_followers to REST API (#17700)

* Add `/api/v1/accounts/familiar_followers` to REST API

* Change hide network preference to be stored consistently for local and remote accounts

* Add dummy classes to migration

* Apply suggestions from code review

Co-authored-by: Claire <claire.github-309c@sitedethib.com>

Co-authored-by: Claire <claire.github-309c@sitedethib.com>

app/controllers/api/v1/accounts/familiar_followers_controller.rb

@@ -0,0 +1,25 @@
+# frozen_string_literal: true
+
+class Api::V1::Accounts::FamiliarFollowersController < Api::BaseController
+  before_action -> { doorkeeper_authorize! :read, :'read:follows' }
+  before_action :require_user!
+  before_action :set_accounts
+
+  def index
+    render json: familiar_followers.accounts, each_serializer: REST::FamiliarFollowersSerializer
+  end
+
+  private
+
+  def set_accounts
+    @accounts = Account.without_suspended.where(id: account_ids).select('id, hide_collections').index_by(&:id).values_at(*account_ids).compact
+  end
+
+  def familiar_followers
+    FamiliarFollowersPresenter.new(@accounts, current_user.account_id)
+  end
+
+  def account_ids
+    Array(params[:id]).map(&:to_i)
+  end
+end

app/controllers/follower_accounts_controller.rb

@@ -15,13 +15,13 @@ class FollowerAccountsController < ApplicationController
       format.html do
         expires_in 0, public: true unless user_signed_in?
 
-        next if @account.user_hides_network?
+        next if @account.hide_collections?
 
         follows
       end
 
       format.json do
-        raise Mastodon::NotPermittedError if page_requested? && @account.user_hides_network?
+        raise Mastodon::NotPermittedError if page_requested? && @account.hide_collections?
 
         expires_in(page_requested? ? 0 : 3.minutes, public: public_fetch_mode?)
 
@@ -82,7 +82,7 @@ class FollowerAccountsController < ApplicationController
   end
 
   def restrict_fields_to
-    if page_requested? || !@account.user_hides_network?
+    if page_requested? || !@account.hide_collections?
       # Return all fields
     else
       %i(id type total_items)

app/controllers/following_accounts_controller.rb

@@ -15,13 +15,13 @@ class FollowingAccountsController < ApplicationController
       format.html do
         expires_in 0, public: true unless user_signed_in?
 
-        next if @account.user_hides_network?
+        next if @account.hide_collections?
 
         follows
       end
 
       format.json do
-        raise Mastodon::NotPermittedError if page_requested? && @account.user_hides_network?
+        raise Mastodon::NotPermittedError if page_requested? && @account.hide_collections?
 
         expires_in(page_requested? ? 0 : 3.minutes, public: public_fetch_mode?)
 
@@ -82,7 +82,7 @@ class FollowingAccountsController < ApplicationController
   end
 
   def restrict_fields_to
-    if page_requested? || !@account.user_hides_network?
+    if page_requested? || !@account.hide_collections?
       # Return all fields
     else
       %i(id type total_items)

app/controllers/settings/preferences_controller.rb

@@ -47,7 +47,6 @@ class Settings::PreferencesController < Settings::BaseController
       :setting_system_font_ui,
       :setting_noindex,
       :setting_theme,
-      :setting_hide_network,
       :setting_aggregate_reblogs,
       :setting_show_application,
       :setting_advanced_layout,

app/controllers/settings/profiles_controller.rb

@@ -20,7 +20,7 @@ class Settings::ProfilesController < Settings::BaseController
   private
 
   def account_params
-    params.require(:account).permit(:display_name, :note, :avatar, :header, :locked, :bot, :discoverable, fields_attributes: [:name, :value])
+    params.require(:account).permit(:display_name, :note, :avatar, :header, :locked, :bot, :discoverable, :hide_collections, fields_attributes: [:name, :value])
   end
 
   def set_account

app/lib/user_settings_decorator.rb

@@ -31,7 +31,6 @@ class UserSettingsDecorator
     user.settings['system_font_ui']      = system_font_ui_preference if change?('setting_system_font_ui')
     user.settings['noindex']             = noindex_preference if change?('setting_noindex')
     user.settings['theme']               = theme_preference if change?('setting_theme')
-    user.settings['hide_network']        = hide_network_preference if change?('setting_hide_network')
     user.settings['aggregate_reblogs']   = aggregate_reblogs_preference if change?('setting_aggregate_reblogs')
     user.settings['show_application']    = show_application_preference if change?('setting_show_application')
     user.settings['advanced_layout']     = advanced_layout_preference if change?('setting_advanced_layout')
@@ -97,10 +96,6 @@ class UserSettingsDecorator
     boolean_cast_setting 'setting_noindex'
   end
 
-  def hide_network_preference
-    boolean_cast_setting 'setting_hide_network'
-  end
-
   def show_application_preference
     boolean_cast_setting 'setting_show_application'
   end

app/models/account.rb

@@ -349,11 +349,11 @@ class Account < ApplicationRecord
   end
 
   def hides_followers?
-    hide_collections? || user_hides_network?
+    hide_collections?
   end
 
   def hides_following?
-    hide_collections? || user_hides_network?
+    hide_collections?
   end
 
   def object_type

app/models/user.rb

@@ -126,7 +126,7 @@ class User < ApplicationRecord
   has_many :session_activations, dependent: :destroy
 
   delegate :auto_play_gif, :default_sensitive, :unfollow_modal, :boost_modal, :delete_modal,
-           :reduce_motion, :system_font_ui, :noindex, :theme, :display_media, :hide_network,
+           :reduce_motion, :system_font_ui, :noindex, :theme, :display_media,
            :expand_spoilers, :default_language, :aggregate_reblogs, :show_application,
            :advanced_layout, :use_blurhash, :use_pending_items, :trends, :crop_images,
            :disable_swiping,
@@ -273,10 +273,6 @@ class User < ApplicationRecord
     settings.notification_emails['trending_tag']
   end
 
-  def hides_network?
-    @hides_network ||= settings.hide_network
-  end
-
   def aggregates_reblogs?
     @aggregates_reblogs ||= settings.aggregate_reblogs
   end

app/presenters/familiar_followers_presenter.rb

@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+class FamiliarFollowersPresenter
+  class Result < ActiveModelSerializers::Model
+    attributes :id, :accounts
+  end
+
+  def initialize(accounts, current_account_id)
+    @accounts           = accounts
+    @current_account_id = current_account_id
+  end
+
+  def accounts
+    map = Follow.includes(account: :account_stat).where(target_account_id: @accounts.map(&:id)).where(account_id: Follow.where(account_id: @current_account_id).joins(:target_account).merge(Account.where(hide_collections: [nil, false])).select(:target_account_id)).group_by(&:target_account_id)
+    @accounts.map { |account| Result.new(id: account.id, accounts: (account.hide_collections? ? [] : (map[account.id] || [])).map(&:account)) }
+  end
+end

app/serializers/rest/familiar_followers_serializer.rb

@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+class REST::FamiliarFollowersSerializer < ActiveModel::Serializer
+  attribute :id
+
+  has_many :accounts, serializer: REST::AccountSerializer
+
+  def id
+    object.id.to_s
+  end
+end

app/views/follower_accounts/index.html.haml

@@ -7,7 +7,7 @@
 
 = render 'accounts/header', account: @account
 
-- if @account.user_hides_network?
+- if @account.hide_collections?
   .nothing-here= t('accounts.network_hidden')
 - elsif user_signed_in? && @account.blocking?(current_account)
   .nothing-here= t('accounts.unavailable')

app/views/following_accounts/index.html.haml

@@ -7,7 +7,7 @@
 
 = render 'accounts/header', account: @account
 
-- if @account.user_hides_network?
+- if @account.hide_collections?
   .nothing-here= t('accounts.network_hidden')
 - elsif user_signed_in? && @account.blocking?(current_account)
   .nothing-here= t('accounts.unavailable')

app/views/settings/preferences/other/show.html.haml

@@ -10,9 +10,6 @@
   .fields-group
     = f.input :setting_noindex, as: :boolean, wrapper: :with_label
 
-  .fields-group
-    = f.input :setting_hide_network, as: :boolean, wrapper: :with_label
-
   .fields-group
     = f.input :setting_aggregate_reblogs, as: :boolean, wrapper: :with_label, recommended: true
 

app/views/settings/profiles/show.html.haml

@@ -30,7 +30,10 @@
     = f.input :bot, as: :boolean, wrapper: :with_label, hint: t('simple_form.hints.defaults.bot')
 
   .fields-group
-    = f.input :discoverable, as: :boolean, wrapper: :with_label, hint: t(Setting.profile_directory ? 'simple_form.hints.defaults.discoverable' : 'simple_form.hints.defaults.discoverable_no_directory'), recommended: true
+    = f.input :discoverable, as: :boolean, wrapper: :with_label, hint: t('simple_form.hints.defaults.discoverable'), recommended: true
+
+  .fields-group
+    = f.input :hide_collections, as: :boolean, wrapper: :with_label, label: t('simple_form.labels.defaults.setting_hide_network'), hint: t('simple_form.hints.defaults.setting_hide_network')
 
   %hr.spacer/