api: refactor only param.

app/models/application_record.rb

@@ -215,7 +215,7 @@ class ApplicationRecord < ActiveRecord::Base
   module ApiMethods
     extend ActiveSupport::Concern
 
-    def as_json(options = {})
+    def serializable_hash(options = {})
       options ||= {}
 
       options[:include] ||= []
@@ -226,51 +226,12 @@ class ApplicationRecord < ActiveRecord::Base
       options[:methods] ||= []
       options[:methods] += method_attributes
 
-      if !options.key?(:only) && RequestStore.exist?(:only_param)
-        options[:only] = RequestStore[:only_param]
-      end
-
-      if options[:only].is_a?(String)
-        options[:only] = options[:only].split(/,/)
-      end
-
       if options[:only]
         options[:methods] = options[:methods] & options[:only].map(&:to_sym)
         options[:include] = options[:include] & options[:only].map(&:to_sym)
       end
 
-      super(options)
-    end
-
-    def to_xml(options = {}, &block)
-      options ||= {}
-
-      options[:include] ||= []
-
-      options[:except] ||= []
-      options[:except] += hidden_attributes
-
-      options[:methods] ||= []
-      options[:methods] += method_attributes
-
-      if !options.key?(:only) && RequestStore.exist?(:only_param)
-        options[:only] = RequestStore[:only_param]
-      end
-
-      if options[:only].is_a?(String)
-        options[:only] = options[:only].split(/,/)
-      end
-
-      if options[:only]
-        options[:methods] = options[:methods] & options[:only]
-        options[:include] = options[:include] & options[:only]
-      end
-
-      super(options, &block)
-    end
-
-    def serializable_hash(*args)
-      hash = super(*args)
+      hash = super(options)
       hash.transform_keys { |key| key.delete("?") }
     end