Class: Arcus::Cli

Inherits:
Object
  • Object
show all
Includes:
Api
Defined in:
lib/arcus/cli.rb

Instance Method Summary collapse

Methods included from Api

configure, load_config_file, parse_action, #scoped, settings, settings=, targets

Constructor Details

#initialize(options = {}) ⇒ Cli

Returns a new instance of Cli.



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# File 'lib/arcus/cli.rb', line 10

def initialize(options = {})
  Api.configure do |c|
    c.api_uri = options[:api_uri] if options[:api_uri]
    c.api_key = options[:api_key] if options[:api_key]
    c.api_secret = options[:api_secret] if options[:api_secret]
    c.default_response = options[:default_response] if options[:default_response]
  end
end

Instance Method Details

#class_string(clazz) ⇒ Object 



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# File 'lib/arcus/cli.rb', line 35

def class_string(clazz)
  clazz.name.split('::').last
end

#class_sym(clazz) ⇒ Object 



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# File 'lib/arcus/cli.rb', line 39

def class_sym(clazz)
  class_string(clazz).to_sym
end

#method_string(meth) ⇒ Object 



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# File 'lib/arcus/cli.rb', line 47

def method_string(meth)
  meth["name"]
end

#method_sym(meth) ⇒ Object 



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# File 'lib/arcus/cli.rb', line 43

def method_sym(meth)
  meth["name"].to_sym
end

#run ⇒ Object 



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# File 'lib/arcus/cli.rb', line 51

def run
  cmd = CmdParse::CommandParser.new(true, true)
  cmd.program_name = $0

  cmd.program_version = [0, 0, 1]
  cmd.options = CmdParse::OptionParserWrapper.new do |opt|
    opt.separator "Global options:"
    opt.on("--verbose", "Be verbose when outputting info") { Arcus::Api.settings.verbose = true }
  end
  cmd.add_command(CmdParse::HelpCommand.new)
  cmd.add_command(CmdParse::VersionCommand.new)

  Api.targets.each do |t|
    target_name = class_string(t).downcase
    target_cmd = CmdParse::Command.new(target_name, true, true)
    cmd.add_command(target_cmd)
    t.actions.each do |a|
      action_name = a.action_name
      action_cmd = CmdParse::Command.new(action_name, false)
      action_cmd.short_desc = a.description.split(".").first

      required_params = optional_params = {}
      action_cmd.options = CmdParse::OptionParserWrapper.new do |opt|

        if !a.required_args.empty?
          opt.separator "Required:"
          opt.separator ""
          a.required_args.each do |ra|
            opt.on("--#{ra['name']} #{ra['name'].upcase}", *text_width(ra["description"], 100)) do |val|
              required_params[ra["name"].to_sym] = val
            end
          end
        end
        if !a.optional_args.empty?
          opt.separator ""
          opt.separator "Optional:"
          opt.separator ""
          a.optional_args.each do |ra|
            opt.on("--#{ra['name']} #{ra['name'].upcase}", *text_width(ra["description"], 100)) do |val|
              required_params[ra["name"].to_sym] = val
            end
          end
        end
        if a.is_async
          opt.on("--sync POLL_INTERVAL", "continuously poll the job for results ever POLL_INTERVAL seconds") do |val|
            a.sync = val
          end
        end
      end
      action_cmd.set_execution_block {
        missing_params = a.required_args.map { |n| n["name"].to_sym } - required_params.keys
        if (missing_params.empty?)
          begin
            response_type = optional_params[:response] || Api.settings.default_response
            if a.sync
              result = a.new.prepare(required_params.merge(optional_params)).fetch
              job_id = result["#{a.name.downcase}response"]["jobid"]
              job_finished = false
              until job_finished
                sleep a.sync.to_i.seconds
                job_result = AsyncJobResult.new.query({:jobid => job_id}).fetch
                if job_result["queryasyncjobresultresponse"]["jobstatus"] != 0
                  job_finished = true
                end
              end
              puts AsyncJobResult.new.query({:jobid => job_id}).fetch(response_type.to_sym)
            else
              puts a.new.prepare(required_params.merge(optional_params)).fetch(response_type.to_sym)
            end
          rescue Timeout::Error => e
            puts "Timeout connecting to #{e.api_uri}"
            exit(false)
          end
        else
          puts "Missing required ARGS: #{missing_params.map { |n| "--#{n}" }.join(", ")}\n"
          action_cmd.show_help
          exit(false)
        end
      }
      target_cmd.add_command(action_cmd)
    end
  end
  cmd.parse
end

#text_width(text, width) ⇒ Object 



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# File 'lib/arcus/cli.rb', line 31

def text_width(text, width)
  word_wrap(text, :line_width => width).split("\n") if !text.nil?
end

#word_wrap(text, *args) ⇒ Object 



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# File 'lib/arcus/cli.rb', line 19

def word_wrap(text, *args)
  options = args.extract_options!
  unless args.blank?
    options[:line_width] = args[0] || 80
  end
  options.reverse_merge!(:line_width => 80)

  text.split("\n").collect do |line|
    line.length > options[:line_width] ? line.gsub(/(.{1,#{options[:line_width]}})(\s+|$)/, "\\1\n").strip : line
  end * "\n"
end