Dynamised executable

dynamised.rb

#!/usr/bin/env ruby
require_relative '../lib/dynamised'
require 'commander'



module Dynamised
  class CLI
    include Commander::Methods

    def run
      program :name, "Dynamised"
      program :version, META::Version
      program :description, META::Description

      command :run do |c|
        c.syntax = 'dynamised run <script>'
        c.description = 'scrapes with given scraper'
        c.option "--[no-]db", 'Turns off db, scraper will pull and store directly to end file, no resume'
        c.action do |args,options|
          options.default db: true
          # nodb = {nodb: options.db}
          script_path = check_and_convert(args.first)
          class_name = get_class_name(args.first)
          create_temp_class(class_name,File.read(script_path))
          class_ref = Scraper.fetch(class_name)
          spinner = TTY::Spinner.new("[:spinner] scraping with %s" % class_name)
          class_ref.new.pull_and_store do
            spinner.spin
          end
          spinner.success("(Successfull)")
        end
      end

      command :test do |c|
        c.syntax = 'dynamised test <script>'
        c.description = "tests given scraper"
        c.action do |args,options|
          script_path = check_and_convert(args.first)
          class_name = get_class_name(args.first)
          create_temp_class(class_name,File.read(script_path))
          class_ref = Scraper.fetch(class_name)
          class_ref.new.pull_and_check
        end
      end

      alias_command :r, :run
      alias_command :t, :test
      default_command :help
      run!
    end

    def check_and_convert(path)
      unless path
        puts "No script file given"
        exit
      end
      script_path = File.expand_path(path, Dir.pwd )
      unless File.exists?(script_path)
        puts "File name %s doesn't exist" % script_path
        exit
      end
      script_path
    end

    def get_class_name(string)
      string.split('/').last.split('.').first.gsub(/ /,'_').capitalize
    end


    def create_temp_class(class_name,script)
      Dynamised.module_eval <<-RUBY
        class #{class_name} < Scraper
          #{script}
        end
        RUBY
    end

  end
end

Dynamised::CLI.new.run if $0 == __FILE__