discourse-ai/lib/completions/dialects/command.rb

122 lines
3.1 KiB
Ruby

# frozen_string_literal: true
# see: https://docs.cohere.com/reference/chat
#
module DiscourseAi
module Completions
module Dialects
class Command < Dialect
def self.can_translate?(llm_model)
llm_model.provider == "cohere"
end
VALID_ID_REGEX = /\A[a-zA-Z0-9_]+\z/
def translate
messages = super
system_message = messages.shift[:message] if messages.first[:role] == "SYSTEM"
prompt = { preamble: +"#{system_message}" }
if messages.present?
with_mapped_tools = []
current_pair = nil
messages.each do |msg|
if current_pair == nil && msg[:type] == :tool_call
current_pair = [msg]
elsif current_pair && msg[:type] == :tool
current_pair << msg
tool_results = tools_dialect.tool_results(current_pair)
with_mapped_tools << { role: "TOOL", message: "", tool_results: tool_results }
current_pair = nil
else
with_mapped_tools << msg
current_pair = nil
end
end
messages = with_mapped_tools
prompt[:chat_history] = messages
end
tools = tools_dialect.translated_tools
prompt[:tools] = tools if tools.present?
tool_results =
messages.last && messages.last[:role] == "TOOL" && messages.last[:tool_results]
prompt[:tool_results] = tool_results if tool_results.present?
if tool_results.blank?
messages.reverse_each do |msg|
if msg[:role] == "USER"
prompt[:message] = msg[:message]
messages.delete(msg)
break
end
end
end
prompt
end
def max_prompt_tokens
llm_model.max_prompt_tokens
end
def native_tool_support?
true
end
private
def tools_dialect
@tools_dialect ||= DiscourseAi::Completions::Dialects::CohereTools.new(prompt.tools)
end
def per_message_overhead
0
end
def calculate_message_token(context)
llm_model.tokenizer_class.size(context[:content].to_s + context[:name].to_s)
end
def system_msg(msg)
cmd_msg = { role: "SYSTEM", message: msg[:content] }
if tools_dialect.instructions.present?
cmd_msg[:message] = [
msg[:content],
tools_dialect.instructions,
"NEVER attempt to run tools using JSON, always use XML. Lives depend on it.",
].join("\n")
end
cmd_msg
end
def model_msg(msg)
{ role: "CHATBOT", message: msg[:content] }
end
def tool_call_msg(msg)
msg
end
def tool_msg(msg)
msg
end
def user_msg(msg)
user_message = { role: "USER", message: msg[:content] }
user_message[:message] = "#{msg[:id]}: #{msg[:content]}" if msg[:id]
user_message
end
end
end
end
end