Class: OllamaChat::Chat

Inherits:
Object
  • Object
show all
Includes:
Clipboard, Dialog, DocumentCache, Information, MessageType, ModelHandling, Parsing, SourceFetching, Switches, WebSearching, Term::ANSIColor, Tins::GO
Defined in:
lib/ollama_chat/chat.rb

Class Attribute Summary collapse

Instance Attribute Summary collapse

Attributes included from Dialog

#document_policy

Attributes included from Switches

#embedding, #embedding_enabled, #embedding_paused, #location, #markdown, #stream, #voice

Instance Method Summary collapse

Methods included from MessageType

#message_type

Methods included from Clipboard

#copy_to_clipboard, #paste_from_input

Methods included from Information

#collection_stats, #display_chat_help, #info, #server_version, #usage, #version

Methods included from Dialog

#ask?, #change_system_prompt, #change_voice, #choose_collection, #choose_document_policy, #choose_model, #message_list

Methods included from WebSearching

#search_web

Methods included from SourceFetching

#add_image, #embed, #embed_source, #fetch_source, #http_options, #import, #import_source, #summarize, #summarize_source

Methods included from Parsing

#parse_atom, #parse_content, #parse_csv, #parse_rss, #parse_source, #pdf_read, #ps_read, #reverse_markdown

Methods included from ModelHandling

#model_present?, #pull_model_from_remote, #pull_model_unless_present

Methods included from Switches

#setup_switches

Methods included from DocumentCache

#configure_cache, #document_cache_class

Constructor Details

#initialize(argv: ARGV.dup) ⇒ Chat

Returns a new instance of Chat.



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# File 'lib/ollama_chat/chat.rb', line 28

def initialize(argv: ARGV.dup)
  @opts               = go 'f:u:m:s:c:C:D:MEVh', argv
  @opts[?h] and exit usage
  @opts[?V] and exit version
  @ollama_chat_config = OllamaChat::OllamaChatConfig.new(@opts[?f])
  self.config         = @ollama_chat_config.config
  setup_switches(config)
  base_url         = @opts[?u] || config.url
  @ollama          = Ollama::Client.new(
    base_url:   base_url,
    debug:      config.debug,
    user_agent:
  )
  server_version
  @document_policy = config.document_policy
  @model           = choose_model(@opts[?m], config.model.name)
  @model_options   = Ollama::Options[config.model.options]
  model_system     = pull_model_unless_present(@model, @model_options)
  embedding_enabled.set(config.embedding.enabled && !@opts[?E])
  @messages        = OllamaChat::MessageList.new(self)
  if @opts[?c]
    @messages.load_conversation(@opts[?c])
  else
    default = config.system_prompts.default? || model_system
    if @opts[?s] =~ /\A\?/
      change_system_prompt(default, system: @opts[?s])
    else
      system = OllamaChat::Utils::FileArgument.get_file_argument(@opts[?s], default:)
      system.present? and @messages.set_system_prompt(system)
    end
  end
  @documents     = setup_documents
  @cache         = setup_cache
  @current_voice = config.voice.default
  @images        = []
end

Class Attribute Details

.config ⇒ Object

Returns the value of attribute config.



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# File 'lib/ollama_chat/chat.rb', line 74

def config
  @config
end

Instance Attribute Details

#documents ⇒ Object (readonly)

Returns the value of attribute documents.



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# File 'lib/ollama_chat/chat.rb', line 67

def documents
  @documents
end

#ollama ⇒ Object (readonly)

Returns the value of attribute ollama.



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# File 'lib/ollama_chat/chat.rb', line 65

def ollama
  @ollama
end

Instance Method Details

#config ⇒ Object 



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# File 'lib/ollama_chat/chat.rb', line 81

def config
  self.class.config
end

#config=(config) ⇒ Object 



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

def config=(config)
  self.class.config = config
end

#links ⇒ Object 



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# File 'lib/ollama_chat/chat.rb', line 69

def links
  @links ||= Set.new
end

#start ⇒ Object 



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# File 'lib/ollama_chat/chat.rb', line 85

def start
  info
  STDOUT.puts "\nType /help to display the chat help."

  loop do
    parse_content = true
    input_prompt = bold { color(172) { message_type(@images) + " user" } } + bold { "> " }
    content = Reline.readline(input_prompt, true)&.chomp

    case content
    when %r(^/copy$)
      copy_to_clipboard
      next
    when %r(^/paste$)
      content = paste_from_input
    when %r(^/markdown$)
      markdown.toggle
      next
    when %r(^/stream$)
      stream.toggle
      next
    when %r(^/location$)
      location.toggle
      next
    when %r(^/voice(?:\s+(change))?$)
      if $1 == 'change'
        change_voice
      else
        voice.toggle
      end
      next
    when %r(^/list(?:\s+(\d*))?$)
      last = 2 * $1.to_i if $1
      @messages.list_conversation(last)
      next
    when %r(^/clear$)
      @messages.clear
      STDOUT.puts "Cleared messages."
      next
    when %r(^/clobber$)
      if ask?(prompt: 'Are you sure to clear messages and collection? (y/n) ') =~ /\Ay/i
        @messages.clear
        @documents.clear
        links.clear
        STDOUT.puts "Cleared messages and collection #{bold{@documents.collection}}."
      else
        STDOUT.puts 'Cancelled.'
      end
      next
    when %r(^/drop(?:\s+(\d*))?$)
      @messages.drop($1)
      @messages.list_conversation(2)
      next
    when %r(^/model$)
      @model = choose_model('', @model)
      next
    when %r(^/system$)
      change_system_prompt(@system)
      info
      next
    when %r(^/regenerate$)
      if content = @messages.second_last&.content
        content.gsub!(/\nConsider these chunks for your answer.*\z/, '')
        @messages.drop(2)
      else
        STDOUT.puts "Not enough messages in this conversation."
        redo
      end
      parse_content = false
      content
    when %r(^/collection(?:\s+(clear|change))?$)
      case $1 || 'change'
      when 'clear'
        loop do
          tags = @documents.tags.add('[EXIT]').add('[ALL]')
          tag = OllamaChat::Utils::Chooser.choose(tags, prompt: 'Clear? %s')
          case tag
          when nil, '[EXIT]'
            STDOUT.puts "Exiting chooser."
            break
          when '[ALL]'
            if ask?(prompt: 'Are you sure? (y/n) ') =~ /\Ay/i
              @documents.clear
              STDOUT.puts "Cleared collection #{bold{@documents.collection}}."
              break
            else
              STDOUT.puts 'Cancelled.'
              sleep 3
            end
          when /./
            @documents.clear(tags: [ tag ])
            STDOUT.puts "Cleared tag #{tag} from collection #{bold{@documents.collection}}."
            sleep 3
          end
        end
      when 'change'
        choose_collection(@documents.collection)
      end
      next
    when %r(^/info$)
      info
      next
    when %r(^/document_policy$)
      choose_document_policy
      next
    when %r(^/import\s+(.+))
      parse_content = false
      content       = import($1) or next
    when %r(^/summarize\s+(?:(\d+)\s+)?(.+))
      parse_content = false
      content       = summarize($2, words: $1) or next
    when %r(^/embedding$)
      embedding_paused.toggle(show: false)
      embedding.show
      next
    when %r(^/embed\s+(.+))
      parse_content = false
      content       = embed($1) or next
    when %r(^/web\s+(?:(\d+)\s+)?(.+))
      parse_content   = false
      urls            = search_web($2, $1.to_i) or next
      urls.each do |url|
        fetch_source(url) { |url_io| embed_source(url_io, url) }
      end
      urls_summarized = urls.map { summarize(_1) }
      query   = $2.inspect
      results = urls.zip(urls_summarized).
        map { |u, s| "%s as \n:%s" % [ u, s ] } * "\n\n"
      content = config.prompts.web % { query:, results: }
    when %r(^/save\s+(.+)$)
      @messages.save_conversation($1)
      STDOUT.puts "Saved conversation to #$1."
      next
    when %r(^/links(?:\s+(clear))?$)
      case $1
      when 'clear'
        loop do
          links_options = links.dup.add('[EXIT]').add('[ALL]')
          link = OllamaChat::Utils::Chooser.choose(links_options, prompt: 'Clear? %s')
          case link
          when nil, '[EXIT]'
            STDOUT.puts "Exiting chooser."
            break
          when '[ALL]'
            if ask?(prompt: 'Are you sure? (y/n) ') =~ /\Ay/i
              links.clear
              STDOUT.puts "Cleared all links in list."
              break
            else
              STDOUT.puts 'Cancelled.'
              sleep 3
            end
          when /./
            links.delete(link)
            STDOUT.puts "Cleared link from links in list."
            sleep 3
          end
        end
      when nil
        if links.empty?
          STDOUT.puts "List is empty."
        else
          Math.log10(links.size).ceil
          format  = "% #{}s. %s"
          connect = -> link { hyperlink(link) { link } }
          STDOUT.puts links.each_with_index.map { |x, i| format % [ i + 1, connect.(x) ] }
        end
      end
      next
    when %r(^/load\s+(.+)$)
      @messages.load_conversation($1)
      STDOUT.puts "Loaded conversation from #$1."
      next
    when %r(^/config$)
      default_pager = ENV['PAGER'].full?
      if fallback_pager = `which less`.chomp.full? || `which more`.chomp.full?
        fallback_pager << ' -r'
      end
      my_pager = default_pager || fallback_pager
      rendered = config.to_s
      Kramdown::ANSI::Pager.pager(
        lines: rendered.count(?\n),
        command: my_pager
      ) do |output|
        output.puts rendered
      end
      next
    when %r(^/quit$)
      STDOUT.puts "Goodbye."
      return
    when %r(^/)
      display_chat_help
      next
    when ''
      STDOUT.puts "Type /quit to quit."
      next
    when nil
      STDOUT.puts "Goodbye."
      return
    end

    content, tags = if parse_content
                      parse_content(content, @images)
                    else
                      [ content, Documentrix::Utils::Tags.new ]
                    end

    if embedding.on? && content
      records = @documents.find_where(
        content.downcase,
        tags:,
        prompt:     config.embedding.model.prompt?,
        text_size:  config.embedding.found_texts_size?,
        text_count: config.embedding.found_texts_count?,
      )
      unless records.empty?
        content += "\nConsider these chunks for your answer:\n\n"\
          "#{records.map { [ _1.text, _1.tags_set ] * ?\n }.join("\n\n---\n\n")}"
      end
    end

    @messages << Ollama::Message.new(role: 'user', content:, images: @images.dup)
    @images.clear
    handler = OllamaChat::FollowChat.new(
      chat:     self,
      messages: @messages,
      voice:    (@current_voice if voice.on?)
    )
    ollama.chat(
      model: @model,
      messages: @messages,
      options: @model_options,
      stream: stream.on?,
      &handler
    )
    if embedding.on? && !records.empty?
      STDOUT.puts "", records.map { |record|
        link = if record.source =~ %r(\Ahttps?://)
                 record.source
               else
                 'file://%s' % File.expand_path(record.source)
               end
        [ link, record.tags.first ]
      }.uniq.map { |l, t| hyperlink(l, t) }.join(' ')
      config.debug and jj @messages.to_ary
    end
  rescue Interrupt
    STDOUT.puts "Type /quit to quit."
  end
  0
end