feat: add openai-function-calling app

Author: lpm0073

api/terraform/apigateway_endpoints.tf

@@ -732,3 +732,27 @@ module "default_lesson_plan_writer" {
   aws_lambda_function_openai_text            = aws_lambda_function.lambda_openai_v2.function_name
   aws_iam_role_arn                           = aws_iam_role.apigateway.arn
 }
+
+###############################################################################
+# 31. Openai function calling example
+#
+#
+###############################################################################
+module "openai_function_calling" {
+  source    = "./endpoint"
+  path_part = "openai-function-calling"
+
+  # OpenAI application definition
+  mapping_object_type         = "chat.completion"
+  mapping_model               = "gpt-3.5-turbo"
+  mapping_role_system_content = "You are a helpful assistant."
+  mapping_max_tokens          = 2048
+
+  # integrate this endpoint to the AWS Gateway API.
+  aws_region                                 = var.aws_region
+  aws_api_gateway_rest_api_parent_id         = aws_api_gateway_resource.examples.id
+  aws_api_gateway_rest_api_id                = aws_api_gateway_rest_api.openai.id
+  aws_lambda_function_openai_text_invoke_arn = aws_lambda_function.lambda_openai_function.invoke_arn
+  aws_lambda_function_openai_text            = aws_lambda_function.lambda_openai_function.function_name
+  aws_iam_role_arn                           = aws_iam_role.apigateway.arn
+}

api/terraform/python/openai_api/lambda_openai_function/lambda_handler.py

@@ -99,6 +99,7 @@ def handler(event, context):
             max_tokens=max_tokens,
         )
         response_message = openai_results.choices[0].message
+        openai_results = openai_results.model_dump()
         tool_calls = response_message.tool_calls
         if tool_calls:
             # Step 3: call the function

client/.eslintignore

@@ -0,0 +1,2 @@
+dist
+node_modules

client/src/App.jsx

@@ -34,6 +34,7 @@ import Emojibot from "./applications/Emojibot";
 import Emojibot4 from "./applications/Emojibot4";
 import English2French from "./applications/English2French";
 import FunctionCreator from "./applications/FunctionCreator";
+import FunctionCalling from "./applications/FunctionCalling";
 import GrammarGenius from "./applications/GrammarGenius";
 import InterviewQuestions from "./applications/InterviewQuestions";
 import KeyWords from "./applications/KeyWords";
@@ -133,6 +134,13 @@ const App = () => {
                   >
                     {SarcasticChat.sidebar_title}
                   </MenuItem>
+                  <MenuItem
+                    onClick={() =>
+                      handleItemClick(APPLICATIONS.FunctionCalling)
+                    }
+                  >
+                    {FunctionCalling.sidebar_title}
+                  </MenuItem>
                   <MenuItem
                     onClick={() => handleItemClick(APPLICATIONS.Emojibot)}
                   >
@@ -385,6 +393,9 @@ const App = () => {
           {selectedItem === APPLICATIONS.SarcasticChat && (
             <ChatApp {...SarcasticChat} />
           )}
+          {selectedItem === APPLICATIONS.FunctionCalling && (
+            <ChatApp {...FunctionCalling} />
+          )}
           {selectedItem === APPLICATIONS.SinglePageWebapp && (
             <ChatApp {...SinglePageWebapp} />
           )}

client/src/applications/FunctionCalling.js

@@ -0,0 +1,35 @@
+// see https://platform.openai.com/docs/guides/function-calling
+import {
+  BACKEND_API_URL,
+  AWS_API_GATEWAY_KEY,
+  OPENAI_EXAMPLES_URL,
+} from "../config";
+
+const SLUG = "openai-function-calling";
+
+const FunctionCalling = {
+  sidebar_title: "OpenAI Function Calling",
+  api_url: BACKEND_API_URL + SLUG,
+  api_key: AWS_API_GATEWAY_KEY,
+  app_name: "OpenAI Function Calling",
+  assistant_name: "Lawrence McDaniel",
+  avatar_url: "/applications/SarcasticChat/Marv.svg",
+  background_image_url: "/applications/SarcasticChat/SarcasticChat-bg.png",
+  welcome_message: `Hello, I'm Lawrence McDaniel, an adaptive chatbot. I use natural language processing to adapt myself to your prompts. I also leverage OpenAI API 'Function Calling.' If you ask about Lawrence McDaniel then I'll turn into one heck of a shameless promotor on my own behalf. Otherwise, I'll behave like a regular chatbot.`,
+  example_prompts: [
+    '"In what year was William Shakespear 25 years old?"',
+    '"Is Lawrence McDaniel a web developer?"',
+    '"what is a good roast chicken recipe?"',
+    '"Is Lawrence McDaniel a good citizen?"',
+    '"Are Lawrence McDaniel and Chuck Norris friends?"',
+  ],
+  placeholder_text: `ask me anything about .... me!`,
+  info_url: OPENAI_EXAMPLES_URL + SLUG,
+  file_attach_button: false,
+  uses_openai: true,
+  uses_openai_api: false,
+  uses_langchain: true,
+  uses_memory: true,
+};
+
+export default FunctionCalling;