dify/api/controllers/console/app/online_user.py

86 lines
2.8 KiB
Python

import json
from flask import request
from flask_restful import Resource, marshal_with, reqparse
from controllers.console import api
from controllers.console.wraps import account_initialization_required, setup_required
from extensions.ext_redis import redis_client
from extensions.ext_socketio import ext_socketio
from fields.online_user_fields import online_user_list_fields
from libs.login import login_required
@ext_socketio.on("user_connect")
def handle_user_connect(data):
"""
Handle user connect event, check login and get user info.
"""
sid = request.sid
workflow_id = data.get("workflow_id")
if not (current_user := request.environ.get("ws_user")):
return {"msg": "unauthorized"}, 401
old_info_json = redis_client.hget(f"workflow_online_users:{workflow_id}", current_user.id)
if old_info_json:
old_info = json.loads(old_info_json)
old_sid = old_info.get("sid")
if old_sid and old_sid != sid:
ext_socketio.server.disconnect(sid=old_sid)
user_info = {
"user_id": current_user.id,
"username": current_user.name,
"avatar": current_user.avatar,
"sid": sid,
}
redis_client.hset(f"workflow_online_users:{workflow_id}", current_user.id, json.dumps(user_info))
redis_client.set(f"ws_sid_map:{sid}", json.dumps({"workflow_id": workflow_id, "user_id": current_user.id}))
return {"msg": "connected", "user_id": current_user.id, "sid": sid}
@ext_socketio.on("disconnect")
def handle_disconnect():
"""
Handle user disconnect event, remove user from workflow's online user list.
"""
sid = request.sid
mapping = redis_client.get(f"ws_sid_map:{sid}")
if mapping:
data = json.loads(mapping)
workflow_id = data["workflow_id"]
user_id = data["user_id"]
redis_client.hdel(f"workflow_online_users:{workflow_id}", user_id)
redis_client.delete(f"ws_sid_map:{sid}")
class OnlineUserApi(Resource):
@setup_required
@login_required
@account_initialization_required
@marshal_with(online_user_list_fields)
def get(self):
parser = reqparse.RequestParser()
parser.add_argument("workflow_ids", type=str, required=True, location="args")
args = parser.parse_args()
workflow_ids = [id.strip() for id in args["workflow_ids"].split(",")]
results = {}
for workflow_id in workflow_ids:
users_json = redis_client.hgetall(f"workflow_online_users:{workflow_id}")
users = []
for _, user_info_json in users_json.items():
try:
users.append(json.loads(user_info_json))
except Exception:
continue
results[workflow_id] = users
return {"data": results}
api.add_resource(OnlineUserApi, "/online-users")