Files
NaliiaBot/src/naliiabotapi/main.py

62 lines
1.7 KiB
Python

import os
from fastapi import FastAPI
from naliiabot.bot.agent.agent import AgentConfig
from naliiabot.bot.factories.llm_factory import LLMFactory
from naliiabot.bot.prompts.load_prompt import get_prompt_template
from naliiabot.bot.tools.naliia_tools import NaliiaTools
from naliiabotapi.api.v1.endpoints.chat import router as chat_router
from naliiabotapi.api.v1.webhooks.chat_hook import router as chat_hook_router
import naliiabotapi.api.dependencies as deps
from contextlib import asynccontextmanager
from langgraph.checkpoint.postgres.aio import AsyncPostgresSaver
@asynccontextmanager
async def lifespan(app: FastAPI):
deps.db_pool = deps.get_async_connection_pool()
await deps.db_pool.open()
async with deps.db_pool.connection() as conn:
checkpointer = AsyncPostgresSaver(conn)
await checkpointer.setup()
model_name = os.getenv("LLM_MODEL", "anthropic")
model = LLMFactory(model_name).get_model()
naliia_prompt = get_prompt_template("NALIIA_PROMPT")
naliia_tools = NaliiaTools().get_tools()
config = AgentConfig(system_prompt=naliia_prompt)
deps.agent_instance = deps.Agent(
model=model,
config=config,
checkpointer=checkpointer,
tools=naliia_tools
)
yield
await deps.db_pool.close()
app = FastAPI(
title="NaliiaBot API",
description=(
"API for NaliiaBot, a chatbot that provides "
"customer service and related topics."),
version="1.0.0",
lifespan=lifespan
)
app.include_router(chat_router)
app.include_router(chat_hook_router)
@app.get("/")
def read_root():
return {"Hello": "World"}
@app.get("/health")
def health_check():
return {"status": "ok"}