Filter languages with opt out (#3175)

* Remove allowed_languages and add filtered_languages

* Use filtered_languages instead of allowed_languages

app/controllers/settings/preferences_controller.rb

@@ -26,7 +26,7 @@ class Settings::PreferencesController < ApplicationController
   def user_params
     params.require(:user).permit(
       :locale,
-      allowed_languages: []
+      filtered_languages: []
     )
   end
 

app/javascript/styles/forms.scss

@@ -352,7 +352,7 @@ code {
   }
 }
 
-.user_allowed_languages {
+.user_filtered_languages {
   li {
     float: left;
     width: 50%;

app/models/account.rb

@@ -99,7 +99,7 @@ class Account < ApplicationRecord
            prefix: true,
            allow_nil: true
 
-  delegate :allowed_languages, to: :user, prefix: false, allow_nil: true
+  delegate :filtered_languages, to: :user, prefix: false, allow_nil: true
 
   def local?
     domain.nil?

app/models/status.rb

@@ -142,8 +142,8 @@ class Status < ApplicationRecord
   before_validation :set_conversation
 
   class << self
-    def in_allowed_languages(account)
-      where(language: account.allowed_languages)
+    def not_in_filtered_languages(account)
+      where.not(language: account.filtered_languages)
     end
 
     def as_home_timeline(account)
@@ -234,7 +234,7 @@ class Status < ApplicationRecord
     def filter_timeline_for_account(query, account, local_only)
       query = query.not_excluded_by_account(account)
       query = query.not_domain_blocked_by_account(account) unless local_only
-      query = query.in_allowed_languages(account) if account.allowed_languages.present?
+      query = query.not_in_filtered_languages(account) if account.filtered_languages.present?
       query.merge(account_silencing_filter(account))
     end
 

app/models/user.rb

@@ -30,7 +30,7 @@
 #  otp_required_for_login    :boolean
 #  last_emailed_at           :datetime
 #  otp_backup_codes          :string           is an Array
-#  allowed_languages         :string           default([]), not null, is an Array
+#  filtered_languages        :string           default([]), not null, is an Array
 #
 
 class User < ApplicationRecord
@@ -83,6 +83,6 @@ class User < ApplicationRecord
   private
 
   def sanitize_languages
-    allowed_languages.reject!(&:blank?)
+    filtered_languages.reject!(&:blank?)
   end
 end

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

@@ -12,7 +12,7 @@
       label_method: lambda { |locale| human_locale(locale) },
       selected: I18n.locale
 
-    = f.input :allowed_languages,
+    = f.input :filtered_languages,
       collection: I18n.available_locales,
       wrapper: :with_label,
       include_blank: false,

config/locales/simple_form.ar.yml

@@ -12,8 +12,6 @@ ar:
         data: ملف CSV تم تصديره من خادوم مثيل  آخر لماستدون
       sessions:
         otp: أدخل الرمز الثنائي من هاتفك أو استخدم أحد رموز الاسترداد.
-      user:
-        allowed_languages: سوف يتم السماح بعرض اللغات المختارة على خيوطك المتسلسلة العامة أما التي لم يتم تحديدها فسوف تصفّى.
     labels:
       defaults:
         avatar: الصورة الرمزية

config/locales/simple_form.en.yml

@@ -17,7 +17,7 @@ en:
       sessions:
         otp: Enter the Two-factor code from your phone or use one of your recovery codes.
       user:
-        allowed_languages: These languages will be allowed in your public timelines. Languages that are not selected will be filtered out.
+        filtered_languages: Selected languages will be removed from your public timelines.
     labels:
       defaults:
         avatar: Avatar

config/locales/simple_form.fa.yml

@@ -12,8 +12,6 @@ fa:
         data: پروندهٔ CSV که از سرور ماستدون دیگری برون‌سپاری شده
       sessions:
         otp: کد تأیید دومرحله‌ای را از تلفن خود وارد کنید یا یکی از کدهای بازیابی را به کار ببرید.
-      user:
-        allowed_languages: این زبان‌ها در فهرست عمومی نوشته‌ها مجاز خواهند بود. زبان‌هایی که انتخاب نشده باشند به این فهرست راه پیدا نمی‌کنند.
     labels:
       defaults:
         avatar: تصویر نمایه

config/locales/simple_form.he.yml

@@ -16,8 +16,6 @@ he:
         data: 'קובץ CSV שיוצא משרת מסטודון אחר'
       sessions:
         otp: 'נא להקליד קוד אימות דו-שלבי ממכשירך או קוד אחזור גישה.'
-      user:
-        allowed_languages: אלו השפות שיהיה מותרות בצירי הזמן הציבוריים שלך. שפות שלא ייבחרו יפולטרו מעיני הקוראים.
     labels:
       defaults:
         avatar: תמונת פרופיל

config/locales/simple_form.ja.yml

@@ -12,11 +12,8 @@ ja:
         data: 他の Mastodon インスタンスからエクスポートしたCSVファイルを選択して下さい
       sessions:
         otp: 携帯電話に表示された2段階認証コードを入力するか、生成したリカバリーコードを使用してください。
-      user:
-        allowed_languages: 選択した言語があなたの公開タイムラインに表示されます。選択していない言語は取り除かれます。
     labels:
       defaults:
-        allowed_languages: 許可する言語
         avatar: アイコン
         confirm_new_password: 新しいパスワード（確認用）
         confirm_password: パスワード（確認用）

config/locales/simple_form.oc.yml

@@ -12,11 +12,8 @@ oc:
         data: Fichièr CSV exportat d’una autra instància Mastodon
       sessions:
         otp: Picatz lo còdi d’autentificacion en dos temps (Two factor code) de vòstre mobil o utilizatz un de vòstres còdis de recuperacion.
-      user:
-        allowed_languages: Aquestas lengas seràn las que seràn autorizadas dins vòstre flux public. Las lengas pas causidas seràn rescondudas.
     labels:
       defaults:
-        allowed_languages: Lengas autorizadas
         avatar: Avatar
         confirm_new_password: Confirmacion del nòu senhal
         confirm_password: Confirmatz lo nòu senhal

config/locales/simple_form.pl.yml

@@ -12,8 +12,6 @@ pl:
         data: Plik CSV wyeksportowany z innej instancji Mastodona
       sessions:
         otp: Wprowadź kod weryfikacji dwuetapowej z telefonu lub wykorzystaj jeden z kodów zapasowych.
-      user:
-        allowed_languages: Te języki będą wyświetlać się na Twojej osi czasu. Wpisy w niezaznaczonych językach nie będą widoczne.
     labels:
       defaults:
         avatar: Awatar

config/locales/simple_form.pt-BR.yml

@@ -12,8 +12,6 @@ pt-BR:
         data: Arquivo CSV exportado de outra instancia Mastodon
       sessions:
         otp: Entre com o código de 2 passos do seu telefone ou use os códiogos de recuperação.
-      user:
-        allowed_languages: Essas línguas vão ser permitidas na sua timeline pública. Línguas que não forem selecionadas serão filtradas.
     labels:
       defaults:
         avatar: Avatar

config/locales/simple_form.th.yml

@@ -16,8 +16,6 @@ th:
         data: CSV file exported from another Mastodon instance
       sessions:
         otp: Enter the Two-factor code from your phone or use one of your recovery codes.
-      user:
-        allowed_languages: These languages will be allowed in your public timelines. Languages that are not selected will be filtered out.
     labels:
       defaults:
         avatar: Avatar

config/locales/simple_form.zh-CN.yml

@@ -12,8 +12,6 @@ zh-CN:
         data: 自其他服务站导出的 CSV 文件
       sessions:
         otp: 输入你手机生成的两步验证码，或者恢复代码。
-      user:
-        allowed_languages: 允许下列语言的内容出现在你的公共时间线上。
     labels:
       defaults:
         avatar: 头像

db/migrate/20170520145338_change_language_filter_to_opt_out.rb

@@ -0,0 +1,9 @@
+class ChangeLanguageFilterToOptOut < ActiveRecord::Migration[5.0]
+  def change
+    remove_index :users, :allowed_languages
+    remove_column :users, :allowed_languages
+
+    add_column :users, :filtered_languages, :string, array: true, default: [], null: false
+    add_index :users, :filtered_languages, using: :gin
+  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.define(version: 20170517205741) do
+ActiveRecord::Schema.define(version: 20170520145338) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -350,11 +350,11 @@ ActiveRecord::Schema.define(version: 20170517205741) do
     t.boolean  "otp_required_for_login"
     t.datetime "last_emailed_at"
     t.string   "otp_backup_codes",                                       array: true
-    t.string   "allowed_languages",         default: [],    null: false, array: true
+    t.string   "filtered_languages",        default: [],    null: false, array: true
     t.index ["account_id"], name: "index_users_on_account_id", using: :btree
-    t.index ["allowed_languages"], name: "index_users_on_allowed_languages", using: :gin
     t.index ["confirmation_token"], name: "index_users_on_confirmation_token", unique: true, using: :btree
     t.index ["email"], name: "index_users_on_email", unique: true, using: :btree
+    t.index ["filtered_languages"], name: "index_users_on_filtered_languages", using: :gin
     t.index ["reset_password_token"], name: "index_users_on_reset_password_token", unique: true, using: :btree
   end
 

spec/controllers/settings/preferences_controller_spec.rb

@@ -3,7 +3,7 @@ require 'rails_helper'
 describe Settings::PreferencesController do
   render_views
 
-  let(:user) { Fabricate(:user, allowed_languages: []) }
+  let(:user) { Fabricate(:user, filtered_languages: []) }
 
   before do
     sign_in user, scope: :user
@@ -18,12 +18,12 @@ describe Settings::PreferencesController do
 
   describe 'PUT #update' do
     it 'updates the user record' do
-      put :update, params: { user: { locale: 'en', allowed_languages: ['es', 'fr', ''] } }
+      put :update, params: { user: { locale: 'en', filtered_languages: ['es', 'fr', ''] } }
 
       expect(response).to redirect_to(settings_preferences_path)
       user.reload
       expect(user.locale).to eq 'en'
-      expect(user.allowed_languages).to eq ['es', 'fr']
+      expect(user.filtered_languages).to eq ['es', 'fr']
     end
 
     it 'updates user settings' do

spec/models/status_spec.rb

@@ -512,7 +512,7 @@ RSpec.describe Status, type: :model do
 
       context 'with language preferences' do
         it 'excludes statuses in languages not allowed by the account user' do
-          user = Fabricate(:user, allowed_languages: [:en, :es])
+          user = Fabricate(:user, filtered_languages: [:fr])
           @account.update(user: user)
           en_status = Fabricate(:status, language: 'en')
           es_status = Fabricate(:status, language: 'es')
@@ -525,7 +525,7 @@ RSpec.describe Status, type: :model do
         end
 
         it 'includes all languages when user does not have a setting' do
-          user = Fabricate(:user, allowed_languages: [])
+          user = Fabricate(:user, filtered_languages: [])
           @account.update(user: user)
 
           en_status = Fabricate(:status, language: 'en')

spec/models/user_spec.rb

@@ -24,9 +24,9 @@ RSpec.describe User, type: :model do
     end
 
     it 'cleans out empty string from languages' do
-      user = Fabricate.build(:user, allowed_languages: [''])
+      user = Fabricate.build(:user, filtered_languages: [''])
       user.valid?
-      expect(user.allowed_languages).to eq []
+      expect(user.filtered_languages).to eq []
     end
   end