toolInvocation.ts•1.89 kB
/**
* Copyright (C) 2025 by Fonoster Inc (https://fonoster.com)
* http://github.com/fonoster/fonoster
*
* This file is part of Fonoster
*
* Licensed under the MIT License (the "License");
* you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* https://opensource.org/licenses/MIT
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { getLogger } from "@fonoster/logger";
import { ToolsCatalog } from "../tools";
import { createChatHistory } from "./chatHistory";
const logger = getLogger({ service: "autopilot", filePath: __filename });
async function toolInvocation(params: {
toolName: string;
chatHistory: ReturnType<typeof createChatHistory>;
toolsCatalog: ToolsCatalog;
isFirstTool: boolean;
args: Record<string, unknown>;
}): Promise<string> {
const { isFirstTool, args, toolName, chatHistory, toolsCatalog } = params;
try {
if (isFirstTool) {
const tool = toolsCatalog.getTool(toolName);
const message = tool?.requestStartMessage ?? "";
if (message) {
await chatHistory.addAIMessage(message);
}
}
const toolResult = await toolsCatalog.invokeTool(toolName, args);
logger.verbose(`tool result (${toolName}):`, { result: toolResult.result });
await chatHistory.addAIMessage(
`tool result (${toolName}): ${toolResult.result}`
);
return toolResult.result;
} catch (error) {
logger.error(`tool error: ${error.message}`);
await chatHistory.addAIMessage(`tool error: ${error.message}`);
return "";
}
}
export { toolInvocation };