discourse-ai/lib/ai_bot/personas/persona.rb

173 lines
4.8 KiB
Ruby

#frozen_string_literal: true
module DiscourseAi
module AiBot
module Personas
class Persona
class << self
def system_personas
@system_personas ||= {
Personas::General => -1,
Personas::SqlHelper => -2,
Personas::Artist => -3,
Personas::SettingsExplorer => -4,
Personas::Researcher => -5,
Personas::Creative => -6,
Personas::DallE3 => -7,
Personas::DiscourseHelper => -8,
}
end
def system_personas_by_id
@system_personas_by_id ||= system_personas.invert
end
def all(user:)
# listing tools has to be dynamic cause site settings may change
AiPersona.all_personas.filter do |persona|
next false if !user.in_any_groups?(persona.allowed_group_ids)
if persona.system
instance = persona.new
(
instance.required_tools == [] ||
(instance.required_tools - all_available_tools).empty?
)
else
true
end
end
end
def find_by(id: nil, name: nil, user:)
all(user: user).find { |persona| persona.id == id || persona.name == name }
end
def name
I18n.t("discourse_ai.ai_bot.personas.#{to_s.demodulize.underscore}.name")
end
def description
I18n.t("discourse_ai.ai_bot.personas.#{to_s.demodulize.underscore}.description")
end
def all_available_tools
tools = [
Tools::ListCategories,
Tools::Time,
Tools::Search,
Tools::Summarize,
Tools::Read,
Tools::DbSchema,
Tools::SearchSettings,
Tools::Summarize,
Tools::SettingContext,
Tools::RandomPicker,
Tools::DiscourseMetaSearch,
]
tools << Tools::ListTags if SiteSetting.tagging_enabled
tools << Tools::Image if SiteSetting.ai_stability_api_key.present?
tools << Tools::DallE if SiteSetting.ai_openai_api_key.present?
if SiteSetting.ai_google_custom_search_api_key.present? &&
SiteSetting.ai_google_custom_search_cx.present?
tools << Tools::Google
end
tools
end
end
def tools
[]
end
def required_tools
[]
end
def temperature
nil
end
def top_p
nil
end
def options
{}
end
def available_tools
self.class.all_available_tools.filter { |tool| tools.include?(tool) }
end
def craft_prompt(context)
system_insts =
system_prompt.gsub(/\{(\w+)\}/) do |match|
found = context[match[1..-2].to_sym]
found.nil? ? match : found.to_s
end
prompt =
DiscourseAi::Completions::Prompt.new(
<<~TEXT.strip,
#{system_insts}
#{available_tools.map(&:custom_system_message).compact_blank.join("\n")}
TEXT
messages: context[:conversation_context].to_a,
topic_id: context[:topic_id],
post_id: context[:post_id],
)
prompt.tools = available_tools.map(&:signature) if available_tools
prompt
end
def find_tools(partial)
return [] if !partial.include?("</invoke>")
parsed_function = Nokogiri::HTML5.fragment(partial)
parsed_function.css("invoke").map { |fragment| find_tool(fragment) }.compact
end
protected
def find_tool(parsed_function)
function_id = parsed_function.at("tool_id")&.text
function_name = parsed_function.at("tool_name")&.text
return false if function_name.nil?
tool_klass = available_tools.find { |c| c.signature.dig(:name) == function_name }
return false if tool_klass.nil?
arguments = {}
tool_klass.signature[:parameters].to_a.each do |param|
name = param[:name]
value = parsed_function.at(name)&.text
if param[:type] == "array" && value
value =
begin
JSON.parse(value)
rescue JSON::ParserError
nil
end
end
arguments[name.to_sym] = value if value
end
tool_klass.new(
arguments,
tool_call_id: function_id,
persona_options: options[tool_klass].to_h,
)
end
end
end
end
end