Class: Richat::Command

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

Constant Summary collapse

EXIT_CODE = 
0
NEXT_CODE = 
1
PROMPT_CHANGED_CODE = 
2
SYS_CMD_CODE = 
3
SYS_CHAT_CODE = 
4
TOGGLE_CONTEXT_CODE = 
5
RESET_CONTEXT_CODE = 
6

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.prompt ⇒ Object (readonly)

Returns the value of attribute prompt.



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# File 'lib/richat/command.rb', line 12

def prompt
  @prompt
end

.prompt_id ⇒ Object (readonly)

Returns the value of attribute prompt_id.



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# File 'lib/richat/command.rb', line 12

def prompt_id
  @prompt_id
end

Class Method Details

.call(user_input, sys_cmd_mode) ⇒ Object 



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# File 'lib/richat/command.rb', line 14

def call(user_input, sys_cmd_mode)
  user_input = user_input.strip

  if sys_cmd_mode
    return SYS_CHAT_CODE if Config.get("sys_cmd", "deactivate_keywords").include?(user_input)
    handle_system_command(user_input)
  else
    return SYS_CMD_CODE if Config.get("sys_cmd", "activate_keywords").include?(user_input)
    return handle_exit if Config.get("shell", "exit_keywords").include?(user_input)
    return unless user_input.start_with?("/")
    if user_input == "/help"
      handle_help
    elsif user_input == "/config"
      handle_config
    elsif user_input =~ /^\/prompt\s*/
      if user_input == "/prompt"
        handle_prompt
      else
        handle_choose_prompt(user_input.split(" ").last)
      end
    elsif user_input == "/context"
      TOGGLE_CONTEXT_CODE
    elsif user_input == "/context-reset"
      RESET_CONTEXT_CODE
    end
  end
end

.handle_choose_prompt(arg) ⇒ Object 



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# File 'lib/richat/command.rb', line 131

def handle_choose_prompt(arg)
  id_list = prompt_id_list
  if id_list.empty?
    print_exception("Prompt files not found.")
    return NEXT_CODE
  end

  if id_list.include?(arg)
    current_prompt_id = arg
  elsif arg =~ /\d/
    pt_id = id_list[arg.to_i]
    if pt_id.nil?
      print_exception("Prompt not found.")
      return NEXT_CODE
    end
    current_prompt_id = pt_id
  else
    print_exception("Prompt not found.")
    return NEXT_CODE
  end

  if current_prompt_id == @prompt_id
    print_exception("Prompt not changed.")
    return NEXT_CODE
  end

  prompt_content = File.read(File.join(File.expand_path(Config.get("prompt", "prompt_dir")), current_prompt_id))
  if prompt_content.empty?
    print_exception("Prompt is empty.")
    return NEXT_CODE
  end

  puts "Changed prompt to #{current_prompt_id}."
  @prompt_id = current_prompt_id
  @prompt = prompt_content
  PROMPT_CHANGED_CODE
end

.handle_config ⇒ Object 



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# File 'lib/richat/command.rb', line 88

def handle_config
  puts "\e[32mConfiguration file path is #{File.expand_path("~/.richat/config.json")}\e[0m"
  puts JSON.pretty_generate(Config.get_config)
  NEXT_CODE
end

.handle_exit ⇒ Object 



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# File 'lib/richat/command.rb', line 58

def handle_exit
  kill_process
  puts "Bye!"
  EXIT_CODE
end

.handle_help ⇒ Object 



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# File 'lib/richat/command.rb', line 94

def handle_help
  puts "Version #{VERSION}"
  puts "\e[32m/exit\e[0m exit Richat"
  puts "\e[32m/config\e[0m show configuration"
  puts "\e[32m/prompt\e[0m show prompt list"
  puts "\e[32m/context\e[0m toggle chat context"
  puts "\e[32m/context-reset\e[0m reset chat context"
  puts "\e[32m/help\e[0m show help info"
  NEXT_CODE
end

.handle_prompt ⇒ Object 



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# File 'lib/richat/command.rb', line 109

def handle_prompt
  id_list = prompt_id_list
  if id_list.empty?
    print_exception "#{File.expand_path(Config.get("prompt", "prompt_dir"))} has no prompt files."
    return NEXT_CODE
  end

  if prompt.nil? || prompt.empty?
    puts "\e[32mCurrent prompt not set.\e[0m"
    puts "Use command \e[32m/prompt prompt_index\e[0m or \e[32m/prompt prompt_id\e[0m to set prompt."
  end

  id_list.each_with_index do |pt, idx|
    if pt == prompt_id
      puts "#{idx}. \e[32m#{pt}\e[0m"
    else
      puts "#{idx}. #{pt}"
    end
  end
  NEXT_CODE
end

.handle_system_command(cmd) ⇒ Object 



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# File 'lib/richat/command.rb', line 42

def handle_system_command(cmd)
  if (match = /^cd\s?(.*)$/.match(cmd))
    fp = File.expand_path(match[1].empty? ? "~" : match[1])
    begin
      Dir.chdir(fp)
    rescue
      puts "cd: no such file or directory: #{fp}"
    end
  else
    @pid = Process.spawn(cmd)
    Process.wait(@pid)
  end

  NEXT_CODE
end

.kill_process ⇒ Object 



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# File 'lib/richat/command.rb', line 64

def kill_process
  return if @pid.nil?
  if Gem.win_platform?
    system("taskkill /F /PID #{@pid}", err: File::NULL)
  else
    return unless process_exist?
    begin
      Process.kill("TERM", @pid)
    rescue
      nil
    end
  end
  @pid = nil
end

.load_default_prompt ⇒ Object 



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# File 'lib/richat/command.rb', line 181

def load_default_prompt
  @prompt ||= begin
    @prompt_id = Config.get("prompt", "default")
    if @prompt_id.nil? || @prompt_id.empty?
      @prompt_id = nil
      return
    end

    begin
      File.read(File.join(File.expand_path(Config.get("prompt", "prompt_dir")), @prompt_id))
    rescue => e
      print_exception(e.message)
      exit
    end
  end
end

.print_exception(message) ⇒ Object 



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# File 'lib/richat/command.rb', line 169

def print_exception(message)
  puts "\e[31m#{message}\e[0m"
end

.print_info(message) ⇒ Object 



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# File 'lib/richat/command.rb', line 173

def print_info(message)
  puts "\e[32m#{message}\e[0m"
end

.print_welcome ⇒ Object 



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# File 'lib/richat/command.rb', line 177

def print_welcome
  puts "Richat is a command-line ChatGPT tool implemented in Ruby that supports highly customizable configuration, press \e[32m/help\e[0m to display help info. If you have any suggestions or questions, please feel free to provide feedback on https://github.com/fzdp/richat."
end

.process_exist? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/richat/command.rb', line 79

def process_exist?
  begin
    Process.getpgid(@pid)
    true
  rescue
    false
  end
end

.prompt_id_list ⇒ Object 



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# File 'lib/richat/command.rb', line 105

def prompt_id_list
  Dir.entries(File.expand_path(Config.get("prompt", "prompt_dir"))).delete_if {|s| [".",".."].include?(s)}
end