Add bin and edit workflow

bin/gems/ethon-0.16.0/lib/ethon/loggable.rb

@@ -0,0 +1,59 @@
+# encoding: utf-8
+# frozen_string_literal: true
+module Ethon
+
+  # Contains logging behaviour.
+  module Loggable
+
+    # Get the logger.
+    #
+    # @note Will try to grab Rails' logger first before creating a new logger
+    #   with stdout.
+    #
+    # @example Get the logger.
+    #   Loggable.logger
+    #
+    # @return [ Logger ] The logger.
+    def logger
+      return @logger if defined?(@logger)
+      @logger = rails_logger || default_logger
+    end
+
+    # Set the logger.
+    #
+    # @example Set the logger.
+    #   Loggable.logger = Logger.new($stdout)
+    #
+    # @param [ Logger ] logger The logger to set.
+    #
+    # @return [ Logger ] The new logger.
+    def logger=(logger)
+      @logger = logger
+    end
+
+    private
+
+    # Gets the default Ethon logger - stdout.
+    #
+    # @example Get the default logger.
+    #   Loggable.default_logger
+    #
+    # @return [ Logger ] The default logger.
+    def default_logger
+      logger = Logger.new($stdout)
+      logger.level = Logger::INFO
+      logger
+    end
+
+    # Get the Rails logger if it's defined.
+    #
+    # @example Get Rails' logger.
+    #   Loggable.rails_logger
+    #
+    # @return [ Logger ] The Rails logger.
+    def rails_logger
+      defined?(::Rails) && ::Rails.respond_to?(:logger) && ::Rails.logger
+    end
+  end
+  extend Loggable
+end