functionManager: don't return empty function array for openai

openai doesn't accept empty function parameter,
it was discovered after I removed the testing buildin function

Dockerfile

@@ -17,3 +17,4 @@ RUN npx tsc
 
 # Run the app
 CMD ["node", "dist/src/index.js"]
+STOPSIGNAL SIGINT

src/execution.ts

@@ -246,7 +246,7 @@ async function executeFromQueue(channel: string) {
         ...config.chatCompletionParams,
         messages: OpenAImessages,
         // FIXME: don't use new instance of FunctionManager
-        functions: new FunctionManager().getFunctions(),
+        functions: new FunctionManager().getFunctionsForOpenAi(),
       });
 
       logUsedTokens(answer, message, ++functionRanCounter);

src/funcitonManager.ts

@@ -62,6 +62,11 @@ export default class FunctionManager {
     return rvalue;
   }
 
+  public getFunctionsForOpenAi(): ChatCompletionFunctions[] | undefined {
+    const rvalue = this.getFunctions();
+    return rvalue.length > 0 ? rvalue : undefined;
+  }
+
   public handleFunction(request: ChatCompletionFunctionCall): ChatCompletionMessageParam {
     // eslint-disable-next-line @typescript-eslint/no-explicit-any
     let parsedArguments: any;

src/index.ts

@@ -63,4 +63,17 @@ discord.on("messageCreate", message => {
   return queueRequest(message);
 });
 
-if (require.main === module) void discord.login(config.tokens.Discord);
+if (require.main === module) {
+  void discord.login(config.tokens.Discord);
+  process.on("SIGINT", () => {
+    console.log("got SIGINT, exiting");
+    //FIXME: finish executing requests then exit
+    discord.destroy()
+    .then(() => process.exit())
+    .catch((e) => {
+      console.error("Failed to gracefully exit");
+      console.error(e);
+      process.exit();
+    });
+  });
+}