Add: #483 特定の公開範囲を無効にするオプション (#712)

* Add: #483 特定の公開範囲を無効にするオプション

* Fix test partically

* Complete

app/models/user_settings/dsl.rb

@@ -14,6 +14,10 @@ module UserSettings::DSL
       @definitions[key] = @definitions[original_key].inverse_of(key)
     end
 
+    def setting_inverse_array(key, original_key, reverse_array)
+      @definitions[key] = @definitions[original_key].array_inverse_of(key, reverse_array)
+    end
+
     def namespace(key, &block)
       @definitions ||= {}
 

app/models/user_settings/namespace.rb

@@ -22,4 +22,8 @@ class UserSettings::Namespace
   def setting_inverse_alias(key, original_key)
     @definitions[key] = @definitions[original_key].inverse_of(key)
   end
+
+  def setting_inverse_array(key, original_key, reverse_array)
+    @definitions[key] = @definitions[original_key].array_inverse_of(key, reverse_array)
+  end
 end

app/models/user_settings/setting.rb

@@ -15,6 +15,12 @@ class UserSettings::Setting
     self
   end
 
+  def array_inverse_of(name, arr)
+    @inverse_of_array = name.to_sym
+    @reverse_array = arr
+    self
+  end
+
   def value_for(name, original_value)
     value = begin
       if original_value.nil?
@@ -24,13 +30,21 @@ class UserSettings::Setting
       end
     end
 
+    value = value.compact_blank if value.is_a?(Array)
+
     if !@inverse_of.nil? && @inverse_of == name.to_sym
       !value
+    elsif !@inverse_of_array.nil? && @inverse_of_array == name.to_sym
+      reverse_array(value)
     else
       value
     end
   end
 
+  def reverse_array(value)
+    @reverse_array.clone.filter { |v| value.exclude?(v) }
+  end
+
   def default_value
     if @default_value.respond_to?(:call)
       @default_value.call
@@ -39,7 +53,13 @@ class UserSettings::Setting
     end
   end
 
+  def array_type?
+    default_value.is_a?(Array) || default_value == []
+  end
+
   def type
+    return ActiveRecord::Type.lookup(:string, array: true) if array_type?
+
     case default_value
     when TrueClass, FalseClass
       ActiveModel::Type::Boolean.new