settings.rb in ditty-0.8.0

- old
+ new

@@ -14,16 +14,23 @@
     # It has the concept of sections which can either be included in the main
     # settings.yml file, or as separate files in the `config` folder. The values
     # in separate files will be used in preference of those in the `settings.yml`
     # file.
     module Settings
-      CONFIG_FOLDER = './config'.freeze
-      CONFIG_FILE = "#{CONFIG_FOLDER}/settings.yml".freeze
+      CONFIG_FOLDER = './config'
+      CONFIG_FILE = "#{CONFIG_FOLDER}/settings.yml"
 
       class << self
         def [](key)
-          values(key.to_sym)
+          keys = key.to_s.split('.').map(&:to_sym)
+          from = values
+          if keys.count > 1 && scope?(keys.first)
+            from = values(keys.first)
+            keys = keys[1..-1]
+            key = keys.join('.')
+          end
+          from[key.to_sym] || from.dig(*keys)
         end
 
         def values(scope = :settings)
           @values ||= begin
             v = Hash.new do |h, k|
@@ -36,9 +43,13 @@
             end
             v[:settings] = File.file?(CONFIG_FILE) ? read(CONFIG_FILE) : {}
             v
           end
           @values[scope]
+        end
+
+        def scope?(name)
+          @values.key?(name.to_sym) || File.file?("#{CONFIG_FOLDER}/#{name}.yml")
         end
 
         attr_writer :values
 
         def read(filename)