Add a per-user setting to hide followers count

This is only available if the instance-wide setting isn't set and allows
people to hide their own followers count. This does not hide others' to
them.

app/controllers/follower_accounts_controller.rb

@@ -37,7 +37,7 @@ class FollowerAccountsController < ApplicationController
 
   def collection_presenter
     options = { type: :ordered }
-    options[:size] = @account.followers_count unless Setting.hide_followers_count
+    options[:size] = @account.followers_count unless Setting.hide_followers_count || @account.user&.setting_hide_followers_count
     if params[:page].present?
       ActivityPub::CollectionPresenter.new(
         id: account_followers_url(@account, page: params.fetch(:page, 1)),

app/controllers/settings/preferences_controller.rb

@@ -43,6 +43,7 @@ class Settings::PreferencesController < Settings::BaseController
       :setting_system_font_ui,
       :setting_noindex,
       :setting_hide_network,
+      :setting_hide_followers_count,
       :setting_aggregate_reblogs,
       notification_emails: %i(follow follow_request reblog favourite mention digest report),
       interactions: %i(must_be_follower must_be_following)

app/helpers/stream_entries_helper.rb

@@ -73,7 +73,7 @@ module StreamEntriesHelper
       ].join(' '),
     ]
 
-    unless Setting.hide_followers_count
+    unless Setting.hide_followers_count || account.user&.setting_hide_followers_count
       prepend_stats << [
         number_to_human(account.followers_count, strip_insignificant_zeros: true),
         I18n.t('accounts.followers', count: account.followers_count),

app/lib/user_settings_decorator.rb

@@ -30,6 +30,7 @@ class UserSettingsDecorator
     user.settings['reduce_motion']       = reduce_motion_preference if change?('setting_reduce_motion')
     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['hide_followers_count']= hide_followers_count_preference if change?('setting_hide_followers_count')
     user.settings['flavour']             = flavour_preference if change?('setting_flavour')
     user.settings['skin']                = skin_preference if change?('setting_skin')
     user.settings['hide_network']        = hide_network_preference if change?('setting_hide_network')
@@ -92,6 +93,10 @@ class UserSettingsDecorator
     boolean_cast_setting 'setting_noindex'
   end
 
+  def hide_followers_count_preference
+    boolean_cast_setting 'setting_hide_followers_count'
+  end
+
   def flavour_preference
     settings['setting_flavour']
   end

app/models/user.rb

@@ -94,7 +94,7 @@ class User < ApplicationRecord
   has_many :session_activations, dependent: :destroy
 
   delegate :auto_play_gif, :default_sensitive, :unfollow_modal, :boost_modal, :favourite_modal, :delete_modal,
-           :reduce_motion, :system_font_ui, :noindex, :flavour, :skin, :display_media, :hide_network,
+           :reduce_motion, :system_font_ui, :noindex, :flavour, :skin, :display_media, :hide_network, :hide_followers_count,
            :expand_spoilers, :default_language, :aggregate_reblogs, to: :settings, prefix: :setting, allow_nil: false
 
   attr_reader :invite_code

app/serializers/rest/account_serializer.rb

@@ -53,6 +53,6 @@ class REST::AccountSerializer < ActiveModel::Serializer
   end
 
   def followers_count
-    Setting.hide_followers_count ? -1 : object.followers_count
+    (Setting.hide_followers_count || object.user&.setting_hide_followers_count) ? -1 : object.followers_count
   end
 end

app/views/accounts/_header.html.haml

@@ -24,8 +24,8 @@
               %span.counter-label= t('accounts.following', count: account.following_count)
 
           .counter{ class: active_nav_class(account_followers_url(account)) }
-            = link_to account_followers_url(account), title: Setting.hide_followers_count ? nil : number_with_delimiter(account.followers_count) do
-              %span.counter-number= Setting.hide_followers_count ? '-' : (number_to_human account.followers_count, strip_insignificant_zeros: true)
+            = link_to account_followers_url(account), title: (Setting.hide_followers_count || account.user&.setting_hide_followers_count) ? nil : number_with_delimiter(account.followers_count) do
+              %span.counter-number= (Setting.hide_followers_count || account.user&.setting_hide_followers_count) ? '-' : (number_to_human account.followers_count, strip_insignificant_zeros: true)
               %span.counter-label= t('accounts.followers', count: account.followers_count)
         .spacer
         .public-account-header__tabs__tabs__buttons

app/views/directories/index.html.haml

@@ -29,7 +29,7 @@
                   = number_to_human account.statuses_count, strip_insignificant_zeros: true
                   %small= t('accounts.posts', count: account.statuses_count).downcase
                 %td.accounts-table__count.optional
-                  = Setting.hide_followers_count ? '-' : (number_to_human account.followers_count, strip_insignificant_zeros: true)
+                  = (Setting.hide_followers_count || account.user&.setting_hide_followers_count) ? '-' : (number_to_human account.followers_count, strip_insignificant_zeros: true)
                   %small= t('accounts.followers', count: account.followers_count).downcase
                 %td.accounts-table__count
                   - if account.last_status_at.present?

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

@@ -34,6 +34,10 @@
   .fields-group
     = f.input :setting_hide_network, as: :boolean, wrapper: :with_label
 
+  - unless Setting.hide_followers_count
+    .fields-group
+      = f.input :setting_hide_followers_count, as: :boolean, wrapper: :with_label
+
   %hr#settings_web/
 
   .fields-group

config/locales/simple_form.en.yml

@@ -79,6 +79,7 @@ en:
         setting_display_media_show_all: Show all
         setting_expand_spoilers: Always expand toots marked with content warnings
         setting_favourite_modal: Show confirmation dialog before favouriting (applies to Glitch flavour only)
+        setting_hide_followers_count: Hide your followers count
         setting_hide_network: Hide your network
         setting_noindex: Opt-out of search engine indexing
         setting_reduce_motion: Reduce motion in animations