runner.rb in ruboclean-0.5.0

- old
+ new
@@ -1,23 +1,74 @@
 # frozen_string_literal: true
 
+require "pathname"
+require "yaml"
+
 module Ruboclean
-  # Proxy for invoking the cleaning
+  # Entry point for processing
   class Runner
-    def initialize(arguments)
-      @arguments = arguments
+    def initialize(args = [])
+      @cli_arguments = CliArguments.new(args)
     end
 
     def run!
-      rubocop_configuration_path = RubocopConfigurationPath.new(arguments.path)
-      rubocop_configuration = rubocop_configuration_path.load
+      return if source_file_pathname.empty?
 
-      return if rubocop_configuration.nil?
+      load_file.then(&method(:order))
+               .then(&method(:cleanup_paths))
+               .then(&method(:convert_to_yaml))
+               .then(&method(:write_file!))
+    end
 
-      rubocop_configuration_path.write(rubocop_configuration.order, preserve_comments: arguments.preserve_comments?)
+    def verbose?
+      cli_arguments.verbose?
     end
 
+    def path
+      cli_arguments.path
+    end
+
     private
 
-    attr_reader :arguments
+    attr_reader :cli_arguments
+
+    def source_yaml
+      @source_yaml ||= source_file_pathname.read
+    end
+
+    def load_file
+      YAML.safe_load(source_yaml, permitted_classes: [Regexp])
+    end
+
+    def order(configuration_hash)
+      Orderer.new(configuration_hash).order
+    end
+
+    def cleanup_paths(configuration_hash)
+      return configuration_hash if cli_arguments.preserve_paths?
+
+      PathCleanup.new(configuration_hash, source_file_pathname.dirname).cleanup
+    end
+
+    def convert_to_yaml(configuration_hash)
+      ToYamlConverter.new(configuration_hash, cli_arguments.preserve_comments?, source_yaml).to_yaml
+    end
+
+    def write_file!(target_yaml)
+      source_file_pathname.write(target_yaml)
+    end
+
+    def source_file_pathname
+      @source_file_pathname ||= find_source_file_pathname
+    end
+
+    def find_source_file_pathname
+      source_path = Pathname.new(cli_arguments.path)
+
+      source_path = source_path.join(".rubocop.yml") if source_path.directory?
+
+      return source_path if source_path.exist?
+
+      raise ArgumentError, "path does not exist: '#{source_path}'"
+    end
   end
 end