Add link_preview setting

app/models/account.rb

@@ -323,6 +323,13 @@ class Account < ApplicationRecord
     user&.setting_translatable_private || (settings.present? && settings['translatable_private']) || false
   end
 
+  def link_preview?
+    return user.setting_link_preview if local? && user.present?
+    return settings['link_preview'] if settings.present? && settings.key?('link_preview')
+
+    true
+  end
+
   def public_statuses_count
     hide_statuses_count? ? 0 : statuses_count
   end
@@ -389,6 +396,7 @@ class Account < ApplicationRecord
       'hide_following_count' => hide_following_count?,
       'hide_followers_count' => hide_followers_count?,
       'translatable_private' => translatable_private?,
+      'link_preview' => link_preview?,
     }
     if Setting.enable_block_emoji_reaction_settings
       config = config.merge({

app/models/concerns/has_user_settings.rb

@@ -103,6 +103,10 @@ module HasUserSettings
     settings['translatable_private']
   end
 
+  def setting_link_preview
+    settings['link_preview']
+  end
+
   def setting_hide_statuses_count
     settings['hide_statuses_count']
   end

app/models/user_settings.rb

@@ -13,6 +13,7 @@ class UserSettings
   setting :noindex, default: -> { ::Setting.noindex }
   setting :noai, default: true
   setting :translatable_private, default: false
+  setting :link_preview, default: true
   setting :bio_markdown, default: false
   setting :discoverable_local, default: false
   setting :hide_statuses_count, default: false

app/services/fetch_link_card_service.rb

@@ -20,7 +20,7 @@ class FetchLinkCardService < BaseService
     @status       = status
     @original_url = parse_urls
 
-    return if @original_url.nil? || @status.preview_cards.any?
+    return if @original_url.nil? || @status.preview_cards.any? || !@status.account.link_preview?
 
     @url = @original_url.to_s
 

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

@@ -17,6 +17,9 @@
     .fields-group
       = ff.input :translatable_private, wrapper: :with_label, kmyblue: true, label: I18n.t('simple_form.labels.defaults.setting_translatable_private')
 
+    .fields-group
+      = ff.input :link_preview, wrapper: :with_label, kmyblue: true, label: I18n.t('simple_form.labels.defaults.setting_link_preview')
+
     %h4= t 'preferences.posting_defaults'
 
     .fields-row

config/locales/simple_form.en.yml

@@ -242,6 +242,7 @@ en:
         setting_hide_network: Hide your social graph
         setting_hide_recent_emojis: Hide recent emojis
         setting_hide_statuses_count: Hide statuses count
+        setting_link_preview: Generate post link preview card
         setting_noai: Set noai meta tags
         setting_public_post_to_unlisted: Convert public post to public unlisted if not using Web app
         setting_reduce_motion: Reduce motion in animations

config/locales/simple_form.ja.yml

@@ -251,6 +251,7 @@ ja:
         setting_hide_network: 繋がりを隠す
         setting_hide_recent_emojis: 絵文字ピッカーで最近使用した絵文字を隠す（リアクションデッキのみを表示する）
         setting_hide_statuses_count: 投稿数を隠す
+        setting_link_preview: リンクのプレビューを生成する
         setting_stay_privacy: 投稿時に公開範囲を保存する
         setting_noai: 自分のコンテンツのAI学習利用に対して不快感を表明する
         setting_public_post_to_unlisted: サードパーティから公開範囲「公開」で投稿した場合、「ローカル公開」に変更する