lib/cascade/columns_matching.rb in cascade-rb-0.2.3 vs lib/cascade/columns_matching.rb in cascade-rb-0.3.0

@@ -1,42 +1,43 @@
-require "yaml"
+# frozen_string_literal: true
+
+require 'yaml'
 require 'forwardable'
-require "cascade/exceptions"
-require "cascade/helpers/configuration"
+require 'cascade/exceptions'
 
 module Cascade
   class ColumnsMatching
     extend Forwardable
-    extend Configuration
 
-    define_setting :mapping_file
+    ROOT_KEY = 'mapping'
 
     def_delegator :supported_keys, :index
 
     def initialize(options = {})
-      @filepath = options[:filepath]
-      @content = options.fetch(:content) { parse_content_file }
+      @content = options.fetch(:content) do
+        parse_content_file(options.fetch(:filepath))
+      end
     end
 
     # Defines set of possible keys that can be used for iterating through
-    # parsed line
+    # the parsed line
     #
-    # @return [Array] of supported keys
+    # @return [Array] of the supported keys
     def supported_keys
       @supported_keys ||= @content.keys
     end
 
     # Presenter for passed key
     #
-    # @return [Symbol] with curresponding value
+    # @return [Symbol] with the corresponding value
     def column_type(key)
       @content[key].to_sym
     end
 
     private
 
-    def parse_content_file
-      content = YAML.load_file(@filepath || self.class.mapping_file)
-      (content && content["mapping"]) || raise(Cascade::WrongMappingFormat.new)
+    def parse_content_file(filepath)
+      content = YAML.load_file(filepath)
+      (content && content[ROOT_KEY]) || raise(Cascade::WrongMappingFormat)
     end
   end
 end