Class: Foobara::Agent::CliRunner

Inherits:
Object
  • Object
show all
Defined in:
foobara-agent-cli-0.1.0/src/foobara/cli_runner.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(agent, io_in: $stdin, io_out: $stdout, io_err: $stderr) ⇒ CliRunner

Returns a new instance of CliRunner.



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# File 'src/foobara/cli_runner.rb', line 6

def initialize(agent, io_in: $stdin, io_out: $stdout, io_err: $stderr)
  self.agent = agent
  self.io_in = io_in
  self.io_out = io_out
  self.io_err = io_err
end

Instance Attribute Details

#agent ⇒ Object

Returns the value of attribute agent.



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# File 'src/foobara/cli_runner.rb', line 4

def agent
  @agent
end

#io_err ⇒ Object

Returns the value of attribute io_err.



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# File 'src/foobara/cli_runner.rb', line 4

def io_err
  @io_err
end

#io_in ⇒ Object

Returns the value of attribute io_in.



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# File 'src/foobara/cli_runner.rb', line 4

def io_in
  @io_in
end

#io_out ⇒ Object

Returns the value of attribute io_out.



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# File 'src/foobara/cli_runner.rb', line 4

def io_out
  @io_out
end

Instance Method Details

#agent_name ⇒ Object 



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# File 'src/foobara/cli_runner.rb', line 100

def agent_name
  name = agent.agent_name

  if name && !name.empty?
    name
  end
end

#print_agent_message(message, stream = io_out) ⇒ Object 



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# File 'src/foobara/cli_runner.rb', line 81

def print_agent_message(message, stream = io_out)
  name = agent_name || "Agent"
  Util.pipe_writeline(stream, "\n#{name} says: #{message}\n")
end

#print_outcome(outcome) ⇒ Object 



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# File 'src/foobara/cli_runner.rb', line 69

def print_outcome(outcome)
  message, stream = if outcome.success?
                      [outcome.result[:message_to_user], io_out]
                    else
                      # :nocov:
                      ["ERROR: #{outcome.errors_hash}", io_err]
                      # :nocov:
                    end

  print_agent_message(message, stream)
end

#print_prompt ⇒ Object 



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# File 'src/foobara/cli_runner.rb', line 65

def print_prompt
  Util.pipe_write_with_flush(io_out, "\n> ")
end

#print_welcome_message ⇒ Object 



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# File 'src/foobara/cli_runner.rb', line 53

def print_welcome_message
  welcome_message = if agent_name
                      "Welcome! I am #{agent_name}!"
                    else
                      "Welcome to the Foobara Agent CLI!"
                    end

  welcome_message << " What would you like me to attempt to accomplish?"

  Util.pipe_writeline(io_out, "\n#{welcome_message}\n")
end

#run ⇒ Object 



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# File 'src/foobara/cli_runner.rb', line 13

def run
  print_welcome_message
  print_prompt

  loop do
    ready = Util.pipe_wait_readable(io_in, 1)

    break if agent.killed?
    break if io_in.closed?

    next unless ready

    line = Util.pipe_readline(io_in)

    break if line.nil? || io_in.closed? || agent.killed?

    goal = line.strip

    if user_wants_to_quit?(goal)
      print_agent_message("Goodbye for now!\n")
      agent.kill!
      break
    end

    next if goal.empty?

    begin
      print_agent_message("On it...")
      outcome = agent.accomplish_goal(goal)
      print_outcome(outcome)
      print_prompt
    rescue => e
      # :nocov:
      Util.pipe_writeline(io_err, e.message)
      Util.pipe_writeline(io_err, e.backtrace)
      # :nocov:
    end
  end
end

#user_wants_to_quit?(goal) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'src/foobara/cli_runner.rb', line 86

def user_wants_to_quit?(goal)
  if goal =~ /\/?(exit|quit|(good)?.?bye)/i
    remainder = "#{::Regexp.last_match.pre_match}#{::Regexp.last_match.post_match}."
    remainder.strip!

    remainder.gsub!(/thanks?.?(you)?[.!]*/i, "")
    remainder.gsub!(/\A\s*\w+[.!]*/i, "")
    remainder.gsub!(/[.!]*\z/i, "")

    remainder.strip!
    remainder.empty?
  end
end