Fix old Rubies

lib/rails-settings/setting_object.rb

@@ -1,6 +1,6 @@
 module RailsSettings
   class SettingObject < ActiveRecord::Base
-    self.table_name = 'settings'
+    self.table_name = "settings"
 
     belongs_to :target, :polymorphic => true
 
@@ -13,7 +13,7 @@ class SettingObject < ActiveRecord::Base
       end
     end
 
-    if ActiveRecord.version >= "7.1.0.beta1"
+    if ActiveRecord.version >= Gem::Version.new("7.1.0.beta1")
       serialize :value, type: Hash
     else
       serialize :value, Hash
@@ -28,15 +28,15 @@ class SettingObject < ActiveRecord::Base
     REGEX_SETTER = /\A([a-z]\w*)=\Z/i
     REGEX_GETTER = /\A([a-z]\w*)\Z/i
 
-    def respond_to?(method_name, include_priv=false)
+    def respond_to?(method_name, include_priv = false)
       super || method_name.to_s =~ REGEX_SETTER || _setting?(method_name)
     end
 
     def method_missing(method_name, *args, &block)
       if block_given?
         super
       else
-        if attribute_names.include?(method_name.to_s.sub('=',''))
+        if attribute_names.include?(method_name.to_s.sub("=", ""))
           super
         elsif method_name.to_s =~ REGEX_SETTER && args.size == 1
           _set_value($1, args.first)
@@ -48,15 +48,15 @@ def method_missing(method_name, *args, &block)
       end
     end
 
-  protected
+    protected
     if RailsSettings.can_protect_attributes?
       # Simulate attr_protected by removing all regular attributes
       def sanitize_for_mass_assignment(attributes, role = nil)
-        attributes.except('id', 'var', 'value', 'target_id', 'target_type', 'created_at', 'updated_at')
+        attributes.except("id", "var", "value", "target_id", "target_type", "created_at", "updated_at")
       end
     end
 
-  private
+    private
     def _get_value(name)
       if value[name].nil?
         default_value = _get_default_value(name)
@@ -65,17 +65,17 @@ def _get_value(name)
         value[name]
       end
     end
-  
+
     def _get_default_value(name)
       default_value = _target_class.default_settings[var.to_sym][name]
-  
+
       if default_value.respond_to?(:call)
         default_value.call(target)
       else
         default_value
       end
     end
-  
+
     def _deep_dup(nested_hashes_and_or_arrays)
       Marshal.load(Marshal.dump(nested_hashes_and_or_arrays))
     end