Module: OllamaChat::Dialog

Included in:
Chat
Defined in:
lib/ollama_chat/dialog.rb

Overview

A module that provides interactive selection and configuration functionality for OllamaChat.

The Dialog module encapsulates various helper methods for choosing models, system prompts, document policies, and voices, as well as displaying information and managing chat sessions. It leverages user interaction components like choosers and prompts to enable dynamic configuration during runtime.

Examples:

Selecting a model from available options

chat.choose_model('-m llama3.1', 'llama3.1')

Changing the system prompt

chat.change_system_prompt('default_prompt', system: '?sherlock')

Choosing a document policy

chat.choose_document_policy

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#document_policy=(value) ⇒ Object (writeonly)

The document_policy method sets the policy for handling document imports.

Parameters:

  • value (String) —

    the document policy to be set



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# File 'lib/ollama_chat/dialog.rb', line 110

def document_policy=(value)
  @document_policy = value
end

Instance Method Details

#ask?(prompt:) ⇒ String

The ask? method prompts the user with a question and returns their input.

Parameters:

  • prompt (String) —

    the message to display to the user

Returns:

  • (String) —

    the user’s response with trailing newline removed



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# File 'lib/ollama_chat/dialog.rb', line 77

def ask?(prompt:)
  print prompt
  STDIN.gets.chomp
end

#change_system_prompt(default, system: nil) ⇒ Object

The change_system_prompt method allows the user to select or enter a new system prompt for the chat session. It provides an interactive chooser when multiple prompts match the given selector, and sets the selected prompt as the current system prompt for the messages.

search for

Parameters:

  • default (String) —

    the default system prompt to fall back to

  • system (String) (defaults to: nil) —

    the system prompt identifier or pattern to



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# File 'lib/ollama_chat/dialog.rb', line 151

def change_system_prompt(default, system: nil)
  selector = if system =~ /\A\?(.+)\z/
               Regexp.new($1)
             else
               Regexp.new(system.to_s)
             end
  prompts = config.system_prompts.attribute_names.compact.grep(selector).sort
  if prompts.size == 1
    system = config.system_prompts.send(prompts.first)
  else
    prompts.unshift('[EXIT]').unshift('[NEW]')
    chosen = OllamaChat::Utils::Chooser.choose(prompts)
    system =
      case chosen
      when '[NEW]'
        ask?(prompt: "Enter new system prompt to use: ")
      when '[EXIT]'
        STDOUT.puts "Exiting chooser."
        return
      when nil
        default
      when *prompts
        config.system_prompts.send(chosen)
      else
        default
      end
  end
  @messages.set_system_prompt(system)
end

#change_voice ⇒ String

The change_voice method allows the user to select a voice from a list of available options. It uses the chooser to present the options and sets the selected voice as the current voice.

Returns:

  • (String) —

    the full name of the chosen voice



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# File 'lib/ollama_chat/dialog.rb', line 203

def change_voice
  chosen  = OllamaChat::Utils::Chooser.choose(config.voice.list)
  @current_voice = chosen.full? || config.voice.default
end

#choose_collection(current_collection) ⇒ Object

The choose_collection method presents a menu to select or create a document collection. It displays existing collections along with options to create a new one or exit. The method prompts the user for input and updates the document collection accordingly.

Parameters:

  • current_collection (String, nil) —

    the name of the currently active collection



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# File 'lib/ollama_chat/dialog.rb', line 89

def choose_collection(current_collection)
  collections = [ current_collection ] + @documents.collections
  collections = collections.compact.map(&:to_s).uniq.sort
  collections.unshift('[EXIT]').unshift('[NEW]')
  collection = OllamaChat::Utils::Chooser.choose(collections) || current_collection
  case collection
  when '[NEW]'
    @documents.collection = ask?(prompt: "Enter name of the new collection: ")
  when nil, '[EXIT]'
    STDOUT.puts "Exiting chooser."
  when /./
    @documents.collection = collection
  end
ensure
  STDOUT.puts "Using collection #{bold{@documents.collection}}."
  info
end

#choose_document_policy ⇒ Object

The choose_document_policy method presents a menu to select a document policy. It allows the user to choose from importing, embedding, summarizing, or ignoring documents. The method displays available policies and sets the selected policy as the current document policy. If no valid policy is found, it defaults to the first option. After selection, it outputs the chosen policy and displays the current configuration information.



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# File 'lib/ollama_chat/dialog.rb', line 120

def choose_document_policy
  policies = %w[ importing embedding summarizing ignoring ].sort
  current  = if policies.index(@document_policy)
               @document_policy
             elsif policies.index(config.document_policy)
               config.document_policy
             else
               policies.first
             end
  policies.unshift('[EXIT]')
  policy = OllamaChat::Utils::Chooser.choose(policies)
  case policy
  when nil, '[EXIT]'
    STDOUT.puts "Exiting chooser."
    policy = current
  end
  self.document_policy = policy
ensure
  STDOUT.puts "Using document policy #{bold{@document_policy}}."
  info
end

#choose_model(cli_model, current_model) ⇒ Object

The choose_model method selects a model from the available list based on CLI input or user interaction. It processes the provided CLI model parameter to determine if a regex selector is used, filters the models accordingly, and prompts the user to choose from the filtered list if needed. The method ensures that a model is selected and displays a connection message with the chosen model and base URL.



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# File 'lib/ollama_chat/dialog.rb', line 45

def choose_model(cli_model, current_model)
  selector = if cli_model =~ /\A\?+(.*)\z/
               cli_model = ''
               Regexp.new($1)
             end
  models = ollama.tags.models.sort_by(&:name).map { |m| model_with_size(m) }
  selector and models = models.grep(selector)
  model =
    if models.size == 1
      models.first
    elsif cli_model == ''
      OllamaChat::Utils::Chooser.choose(models) || current_model
    else
      cli_model || current_model
    end
ensure
  connect_message(model, ollama.base_url)
end

#choose_prompt ⇒ Object

The choose_prompt method presents a menu of available prompts for selection. It retrieves the list of prompt attributes from the configuration, adds an ‘[EXIT]’ option to the list, and displays it to the user. After the user makes a choice, the method either exits the chooser or applies the selected prompt configuration.



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# File 'lib/ollama_chat/dialog.rb', line 186

def choose_prompt
  prompts = config.prompts.attribute_names.sort
  prompts.unshift('[EXIT]')
  case chosen = OllamaChat::Utils::Chooser.choose(prompts)
  when '[EXIT]', nil
    STDOUT.puts "Exiting chooser."
    return
  when *prompts
    config.prompts.send(chosen)
  end
end

#connect_message(model, base_url) ⇒ Object

The connect_message method displays a connection status message.

Parameters:

  • model (String) —

    the model name to connect to

  • base_url (String) —

    the base URL of the connection



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# File 'lib/ollama_chat/dialog.rb', line 68

def connect_message(model, base_url)
  STDOUT.puts green { "Connecting to #{model}@#{base_url} now…" }
end

#message_list ⇒ MessageList

The message_list method creates and returns a new MessageList instance initialized with the current object as its argument.

Returns:



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# File 'lib/ollama_chat/dialog.rb', line 212

def message_list
  MessageList.new(self)
end