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import requests
import json
from bridge.context import Context, ContextType # Import Context, ContextType
from bridge.reply import Reply, ReplyType # Import Reply, ReplyType
from bridge import *
from common.log import logger
from config import conf
from plugins import Plugin, register # Import Plugin and register
from plugins.event import Event, EventContext, EventAction # Import event-related classes
@register(name="RAGFlowChat", desc="Use RAGFlow API to chat", version="1.0", author="Your Name")
class RAGFlowChat(Plugin):
def __init__(self):
super().__init__()
# Load plugin configuration
self.cfg = self.load_config()
# Bind event handling function
self.handlers[Event.ON_HANDLE_CONTEXT] = self.on_handle_context
# Store conversation_id for each user
self.conversations = {}
logger.info("[RAGFlowChat] Plugin initialized")
def on_handle_context(self, e_context: EventContext):
context = e_context['context']
if context.type != ContextType.TEXT:
return # Only process text messages
user_input = context.content.strip()
session_id = context['session_id']
# Call RAGFlow API to get a reply
reply_text = self.get_ragflow_reply(user_input, session_id)
if reply_text:
reply = Reply()
reply.type = ReplyType.TEXT
reply.content = reply_text
e_context['reply'] = reply
e_context.action = EventAction.BREAK_PASS # Skip the default processing logic
else:
# If no reply is received, pass to the next plugin or default logic
e_context.action = EventAction.CONTINUE
def get_ragflow_reply(self, user_input, session_id):
# Get API_KEY and host address from the configuration
api_key = self.cfg.get("api_key")
host_address = self.cfg.get("host_address")
user_id = session_id # Use session_id as user_id
if not api_key or not host_address:
logger.error("[RAGFlowChat] Missing configuration")
return "The plugin configuration is incomplete. Please check the configuration."
headers = {
"Authorization": f"Bearer {api_key}",
"Content-Type": "application/json"
}
# Step 1: Get or create conversation_id
conversation_id = self.conversations.get(user_id)
if not conversation_id:
# Create a new conversation
url_new_conversation = f"http://{host_address}/v1/api/new_conversation"
params_new_conversation = {
"user_id": user_id
}
try:
response = requests.get(url_new_conversation, headers=headers, params=params_new_conversation)
logger.debug(f"[RAGFlowChat] New conversation response: {response.text}")
if response.status_code == 200:
data = response.json()
if data.get("retcode") == 0:
conversation_id = data["data"]["id"]
self.conversations[user_id] = conversation_id
else:
logger.error(f"[RAGFlowChat] Failed to create conversation: {data.get('retmsg')}")
return f"Sorry, unable to create a conversation: {data.get('retmsg')}"
else:
logger.error(f"[RAGFlowChat] HTTP error when creating conversation: {response.status_code}")
return f"Sorry, unable to connect to RAGFlow API (create conversation). HTTP status code: {response.status_code}"
except Exception as e:
logger.exception(f"[RAGFlowChat] Exception when creating conversation: {e}")
return f"Sorry, an internal error occurred: {str(e)}"
# Step 2: Send the message and get a reply
url_completion = f"http://{host_address}/v1/api/completion"
payload_completion = {
"conversation_id": conversation_id,
"messages": [
{
"role": "user",
"content": user_input
}
],
"quote": False,
"stream": False
}
try:
response = requests.post(url_completion, headers=headers, json=payload_completion)
logger.debug(f"[RAGFlowChat] Completion response: {response.text}")
if response.status_code == 200:
data = response.json()
if data.get("retcode") == 0:
answer = data["data"]["answer"]
return answer
else:
logger.error(f"[RAGFlowChat] Failed to get answer: {data.get('retmsg')}")
return f"Sorry, unable to get a reply: {data.get('retmsg')}"
else:
logger.error(f"[RAGFlowChat] HTTP error when getting answer: {response.status_code}")
return f"Sorry, unable to connect to RAGFlow API (get reply). HTTP status code: {response.status_code}"
except Exception as e:
logger.exception(f"[RAGFlowChat] Exception when getting answer: {e}")
return f"Sorry, an internal error occurred: {str(e)}"
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