Merge commit 'fc5ab2dc83' into kb_migration

app/models/user_settings.rb

@@ -33,6 +33,8 @@ class UserSettings
   setting :emoji_reaction_streaming_notify_impl2, default: false
   setting :unsafe_limited_distribution, default: false
 
+  setting_inverse_alias :indexable, :noindex
+
   namespace :web do
     setting :advanced_layout, default: false
     setting :trends, default: true
@@ -82,31 +84,26 @@ class UserSettings
   end
 
   def [](key)
-    key = key.to_sym
+    definition = self.class.definition_for(key)
 
-    raise KeyError, "Undefined setting: #{key}" unless self.class.definition_for?(key)
+    raise KeyError, "Undefined setting: #{key}" if definition.nil?
 
-    if @original_hash.key?(key)
-      @original_hash[key]
-    else
-      self.class.definition_for(key).default_value
-    end
+    definition.value_for(key, @original_hash[definition.key])
   end
 
   def []=(key, value)
-    key = key.to_sym
+    definition = self.class.definition_for(key)
 
-    raise KeyError, "Undefined setting: #{key}" unless self.class.definition_for?(key)
+    raise KeyError, "Undefined setting: #{key}" if definition.nil?
 
-    setting_definition = self.class.definition_for(key)
-    typecast_value = setting_definition.type_cast(value)
+    typecast_value = definition.type_cast(value)
 
-    raise ArgumentError, "Invalid value for setting #{key}: #{typecast_value}" if setting_definition.in.present? && setting_definition.in.exclude?(typecast_value)
+    raise ArgumentError, "Invalid value for setting #{definition.key}: #{typecast_value}" if definition.in.present? && definition.in.exclude?(typecast_value)
 
     if typecast_value.nil?
-      @original_hash.delete(key)
+      @original_hash.delete(definition.key)
     else
-      @original_hash[key] = typecast_value
+      @original_hash[definition.key] = definition.value_for(key, typecast_value)
     end
   end
 

app/models/user_settings/dsl.rb

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

app/models/user_settings/setting.rb

@@ -10,6 +10,27 @@ class UserSettings::Setting
     @in            = options[:in]
   end
 
+  def inverse_of(name)
+    @inverse_of = name.to_sym
+    self
+  end
+
+  def value_for(name, original_value)
+    value = begin
+      if original_value.nil?
+        default_value
+      else
+        original_value
+      end
+    end
+
+    if !@inverse_of.nil? && @inverse_of == name.to_sym
+      !value
+    else
+      value
+    end
+  end
+
   def default_value
     if @default_value.respond_to?(:call)
       @default_value.call