Contents

# encoding: utf-8
module RailsBestPractices
  module Core
    class ChecksLoader
      def initialize(config)
        @config = config
      end

      # load all lexical checks.
      def load_lexicals
        load_checks_from_config { |check_name| RailsBestPractices::Lexicals.const_get(check_name) }
      end

      # load all reviews according to configuration.
      def load_reviews
        load_checks_from_config { |check_name| RailsBestPractices::Reviews.const_get(check_name.gsub(/Check$/, 'Review')) }
      end

      private

        # read the checks from yaml config.
        def checks_from_config
          @checks ||= YAML.load_file @config
        end

        # load all checks from the configuration
        def load_checks_from_config(&block)
          checks_from_config.inject([]) do |active_checks, check|
            check_instance = instantiate_check(block, *check)
            active_checks << check_instance unless check_instance.nil?
            active_checks
          end
        end

        # instantiates a check
        def instantiate_check(block, check_name, options)
          check_class = load_check_class(check_name, &block)
          check_class.new(options || {}) unless check_class.nil?
        end

        # loads the class for a check by calling the given block
        def load_check_class(check_name, &block)
          block.call(check_name)
        rescue NameError
          # nothing to do, the check does not exist
        end
    end
  end
end

Version data entries

5 entries across 5 versions & 1 rubygems

Version	Path
rails_best_practices-1.19.1	lib/rails_best_practices/core/checks_loader.rb
rails_best_practices-1.19.0	lib/rails_best_practices/core/checks_loader.rb
rails_best_practices-1.18.1	lib/rails_best_practices/core/checks_loader.rb
rails_best_practices-1.18.0	lib/rails_best_practices/core/checks_loader.rb
rails_best_practices-1.17.0	lib/rails_best_practices/core/checks_loader.rb