Class: PostageApp::CLI::Command

Inherits:
Object
  • Object
show all
Defined in:
lib/postageapp/cli/command.rb

Defined Under Namespace

Classes: APICallError, MissingArguments

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(command_name) ⇒ Command

Returns a new instance of Command.



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# File 'lib/postageapp/cli/command.rb', line 21

def initialize(command_name)
  @command_name = command_name
  @api_key_context = :project
  @argument = { }
end

Class Method Details

.define(command_name = nil, &block) ⇒ Object 



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# File 'lib/postageapp/cli/command.rb', line 14

def self.define(command_name = nil, &block)
  command_name ||= $command_name
  command = self.defined[command_name] = new(command_name)

  command.instance_eval(&block) if (block_given?)
end

.defined ⇒ Object 



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# File 'lib/postageapp/cli/command.rb', line 10

def self.defined
  @defined ||= { }
end

Instance Method Details

#api_key(context) ⇒ Object 



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# File 'lib/postageapp/cli/command.rb', line 27

def api_key(context)
  @api_key_context = context
end

#argument(name, optional: false, type: String, desc: nil, boolean: false) ⇒ Object 



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# File 'lib/postageapp/cli/command.rb', line 31

def argument(name, optional: false, type: String, desc: nil, boolean: false)
  @argument[name] = {
    optional: optional,
    type: String,
    desc: desc,
    boolean: boolean
  }
end

#parse!(*args) ⇒ Object 



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# File 'lib/postageapp/cli/command.rb', line 44

def parse!(*args)
  arguments = { }

  op = OptionParser.new do |parser|
    parser.banner = "Usage: postageapp #{@command_name} [options]"

    @argument.each do |name, attributes|
      if (attributes[:boolean])
        parser.on("--#{name}", attributes[:desc]) do
          arguments[name] = true
        end
      else
        parser.on("--#{name} VALUE", "#{attributes[:desc]} (#{attributes[:optional] ? 'optional' : 'required'})") do |v|
          arguments[name] = v
        end
      end
    end
  end
  
  op.parse!(args)

  missing = @argument.select do |name, attributes|
    !attributes[:optional] && arguments[name].nil?
  end.keys

  if (missing.any?)
    $stderr.puts("Error: missing options #{missing.join(', ')}")

    puts op.help

    raise MissingArguments
  end

  case (@api_key_context)
  when :account
    arguments['api_key'] = PostageApp.configuration.
  end

  case (@perform&.arity)
  when 1
    return @perform.call(arguments)
  when 0
    return @perform.call
  end

  response = PostageApp::Request.new(@command_name, arguments).send

  case (response.status)
  when "ok"
    puts JSON.pretty_generate(response.data)
  else
    $stderr.puts("Received error: #{response.status}")

    if (response.message)
      $stderr.puts('  ' + response.message)
    end

    raise APICallError
  end
end

#perform(&block) ⇒ Object 



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# File 'lib/postageapp/cli/command.rb', line 40

def perform(&block)
  @perform = block
end