Add: #90 スタンプに対応していないと思われるサーバーの投稿からスタンプボタンを隠す設定 (#215)

app/models/concerns/has_user_settings.rb

@@ -259,6 +259,10 @@ module HasUserSettings
     settings['lock_follow_from_bot']
   end
 
+  def setting_hide_emoji_reaction_unavailable_server
+    settings['web.hide_emoji_reaction_unavailable_server']
+  end
+
   def allows_report_emails?
     settings['notification_emails.report']
   end

app/models/instance_info.rb

@@ -14,4 +14,36 @@
 #
 
 class InstanceInfo < ApplicationRecord
+  EMOJI_REACTION_AVAILABLE_SOFTWARES = %w(
+    misskey
+    calckey
+    cherrypick
+    meisskey
+    firefish
+    renedon
+    fedibird
+    kmyblue
+    pleroma
+    akkoma
+  ).freeze
+
+  def self.emoji_reaction_available?(domain)
+    return Setting.enable_emoji_reaction if domain.nil?
+
+    Rails.cache.fetch("emoji_reaction_available_domain:#{domain}") { fetch_emoji_reaction_available(domain) }
+  end
+
+  def self.fetch_emoji_reaction_available(domain)
+    return Setting.enable_emoji_reaction if domain.nil?
+
+    info = InstanceInfo.find_by(domain: domain)
+    return false if info.nil?
+
+    return true if EMOJI_REACTION_AVAILABLE_SOFTWARES.include?(info['software'])
+
+    features = info.data.dig('metadata', 'features')
+    return false if features.nil? || !features.is_a?(Array)
+
+    features.include?('emoji_reaction')
+  end
 end

app/models/status.rb

@@ -525,6 +525,10 @@ class Status < ApplicationRecord
       Status.where(id: status_ids).pluck(:account_id).uniq.index_with { |a| Account.find_by(id: a).show_emoji_reaction?(my_account) }
     end
 
+    def emoji_reaction_availables_map(domains)
+      domains.index_with { |d| InstanceInfo.emoji_reaction_available?(d) }
+    end
+
     def reload_stale_associations!(cached_items)
       account_ids = []
 

app/models/user_settings.rb

@@ -71,6 +71,7 @@ class UserSettings
     setting :show_quote_in_home, default: true
     setting :show_quote_in_public, default: false
     setting :hide_blocking_quote, default: true
+    setting :hide_emoji_reaction_unavailable_server, default: false
   end
 
   namespace :notification_emails do