Module: Rtt::CmdLineParser

Included in:
Rtt
Defined in:
lib/rtt/cmd_line_parser.rb

Constant Summary collapse

COMMAND_MAPPING = 
{
 :project => SetProjectCommand,
 :client => SetClientCommand,
 :report => ReportCommand,
 :stop => StopCommand,
 :start => StartCommand,
 :rename => RenameCommand,
 :list => QueryCommand,
 :pause => PauseCommand,
 :resume => StartCommand,
 :user => SetUserCommand,
 :delete => DeleteCommand,
 :configure => ConfigureCommand,
 :export => ExportCommand,
 :import => ImportCommand
}

Instance Method Summary collapse

Instance Method Details

#capture(arguments) ⇒ Object 



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# File 'lib/rtt/cmd_line_parser.rb', line 72

def capture(arguments)
  unless arguments.length == 0
    operation = arguments.shift.to_sym
    if COMMAND_MAPPING.keys.include?(operation)
      klazz = COMMAND_MAPPING[operation]
      if arguments.length >= klazz::NUMBER_OF_PARAM_REQUIRED
        command = klazz.new
        first_argument = arguments.shift
        if /^--.*$/.match(first_argument)
          command.name = nil
          command.optional = [first_argument]
        else
          command.name = first_argument
          command.optional = arguments if arguments.present?
        end
        Array(command)
      end
    elsif operation.present?
      command = StartCommand.new
      command.name = operation
      command.optional = arguments if arguments.present?
      Array(command)
    end
  else
    puts_usage
  end
end

#env_filters ⇒ Object 



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# File 'lib/rtt/cmd_line_parser.rb', line 100

def env_filters
  [ 'date', 'nickname', 'from', 'to', 'client', 'project' ].inject({}) do |filters, key|
    if env_variable(key).present?
      value = if key == 'date' || key == 'from' || key == 'to'
        Date.parse(env_variable(key))
      else
        env_variable(key)
      end
      filters[key.to_sym] = value
    end
    filters
  end
end

#env_variable(key) ⇒ Object 



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# File 'lib/rtt/cmd_line_parser.rb', line 114

def env_variable(key)
  ENV[key] || ENV[key.upcase] || ENV[key.downcase]
end

#execute(cmds) ⇒ Object 



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# File 'lib/rtt/cmd_line_parser.rb', line 118

def execute(cmds)
  cmds.each { |cmd| execute_single(cmd) }
  say "Operation(s) succeded."
rescue => e
  handle_error(e)
end

#execute_single(cmd) ⇒ Object 



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# File 'lib/rtt/cmd_line_parser.rb', line 125

def execute_single(cmd)
  case cmd
    when SetProjectCommand
      client = cmd.optional.shift if cmd.optional.present? && (/^--.*$/.match(cmd.optional.first)).blank?
      set_project(cmd.name, client)
    when SetClientCommand
      set_client(cmd.name)
    when StartCommand
      start(cmd.name)
    when RenameCommand
      rename(cmd.name)
    when PauseCommand
      if current_task.present?
          pause
      else
        raise TaskNotStartedError
      end
    when StopCommand
      stop
    when ReportCommand
      options = env_filters.merge!(:pdf => cmd.name)
      report(options)
    when QueryCommand
      list(env_filters)
    when SetUserCommand
      set_user(cmd.name)
    when ImportCommand
      import(cmd.name)
    when ExportCommand
      export(cmd.name)
    when DeleteCommand
      name = cmd.name
      options = name.present? ? env_filters.merge!(:name => name) : env_filters
      delete(options)
    when ConfigureCommand
      case cmd.name.downcase
        when 'task'
          name = cmd.next_optional
          update_task(name, env_filters)
        when 'project'
          name = cmd.next_optional
          client = cmd.next_optional
          set_project(name, client, true)
        when 'client'
          name = cmd.next_optional
          set_client(name, true)
        when 'user'
          name = cmd.next_optional
          set_user(name, true)
        else
          raise CommandNotFoundError
      end
    else
      raise CommandNotFoundError
  end
end

#handle_error(e) ⇒ Object 



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# File 'lib/rtt/cmd_line_parser.rb', line 182

def handle_error(e)
  case e
    when CommandNotFoundError
      return puts_usage
    when TaskNotStartedError
      say "There is no active task. Pause is not valid at this point."
  end
end

#puts_usage ⇒ Object 



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# File 'lib/rtt/cmd_line_parser.rb', line 191

def puts_usage
  say('')
  File.open(File.join( File.dirname(__FILE__), '..', '..', "USAGE.txt")) do |file|
    while content = file.gets
      say content
    end
  end
  say('')
end