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#
# Copyright 2024 The InfiniFlow Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# 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 json
from uuid import uuid4
from flask import request, Response
from api.db import StatusEnum
from api.db.services.dialog_service import DialogService, ConversationService, chat
from api.settings import RetCode
from api.utils import get_uuid
from api.utils.api_utils import get_data_error_result
from api.utils.api_utils import get_json_result, token_required
@manager.route('/save', methods=['POST'])
@token_required
def set_conversation(tenant_id):
req = request.json
conv_id = req.get("id")
if "assistant_id" in req:
req["dialog_id"] = req.pop("assistant_id")
if "id" in req:
del req["id"]
conv = ConversationService.query(id=conv_id)
if not conv:
return get_data_error_result(retmsg="Session does not exist")
if not DialogService.query(id=conv[0].dialog_id, tenant_id=tenant_id, status=StatusEnum.VALID.value):
return get_data_error_result(retmsg="You do not own the session")
if req.get("dialog_id"):
dia = DialogService.query(tenant_id=tenant_id, id=req["dialog_id"], status=StatusEnum.VALID.value)
if not dia:
return get_data_error_result(retmsg="You do not own the assistant")
if "dialog_id" in req and not req.get("dialog_id"):
return get_data_error_result(retmsg="assistant_id can not be empty.")
if "message" in req:
return get_data_error_result(retmsg="message can not be change")
if "reference" in req:
return get_data_error_result(retmsg="reference can not be change")
if "name" in req and not req.get("name"):
return get_data_error_result(retmsg="name can not be empty.")
if not ConversationService.update_by_id(conv_id, req):
return get_data_error_result(retmsg="Session updates error")
return get_json_result(data=True)
if not req.get("dialog_id"):
return get_data_error_result(retmsg="assistant_id is required.")
dia = DialogService.query(tenant_id=tenant_id, id=req["dialog_id"], status=StatusEnum.VALID.value)
if not dia:
return get_data_error_result(retmsg="You do not own the assistant")
conv = {
"id": get_uuid(),
"dialog_id": req["dialog_id"],
"name": req.get("name", "New session"),
"message": [{"role": "assistant", "content": "Hi! I am your assistant，can I help you?"}]
}
if not conv.get("name"):
return get_data_error_result(retmsg="name can not be empty.")
ConversationService.save(**conv)
e, conv = ConversationService.get_by_id(conv["id"])
if not e:
return get_data_error_result(retmsg="Fail to new session!")
conv = conv.to_dict()
conv['messages'] = conv.pop("message")
conv["assistant_id"] = conv.pop("dialog_id")
del conv["reference"]
return get_json_result(data=conv)
@manager.route('/completion', methods=['POST'])
@token_required
def completion(tenant_id):
req = request.json
# req = {"conversation_id": "9aaaca4c11d311efa461fa163e197198", "messages": [
# {"role": "user", "content": "上海有吗？"}
# ]}
if "session_id" not in req:
return get_data_error_result(retmsg="session_id is required")
conv = ConversationService.query(id=req["session_id"])
if not conv:
return get_data_error_result(retmsg="Session does not exist")
conv = conv[0]
if not DialogService.query(id=conv.dialog_id, tenant_id=tenant_id, status=StatusEnum.VALID.value):
return get_data_error_result(retmsg="You do not own the session")
msg = []
question = {
"content": req.get("question"),
"role": "user",
"id": str(uuid4())
}
conv.message.append(question)
for m in conv.message:
if m["role"] == "system": continue
if m["role"] == "assistant" and not msg: continue
msg.append(m)
message_id = msg[-1].get("id")
e, dia = DialogService.get_by_id(conv.dialog_id)
del req["session_id"]
if not conv.reference:
conv.reference = []
conv.message.append({"role": "assistant", "content": "", "id": message_id})
conv.reference.append({"chunks": [], "doc_aggs": []})
def fillin_conv(ans):
nonlocal conv, message_id
if not conv.reference:
conv.reference.append(ans["reference"])
else:
conv.reference[-1] = ans["reference"]
conv.message[-1] = {"role": "assistant", "content": ans["answer"],
"id": message_id, "prompt": ans.get("prompt", "")}
ans["id"] = message_id
def stream():
nonlocal dia, msg, req, conv
try:
for ans in chat(dia, msg, **req):
fillin_conv(ans)
yield "data:" + json.dumps({"retcode": 0, "retmsg": "", "data": ans}, ensure_ascii=False) + "\n\n"
ConversationService.update_by_id(conv.id, conv.to_dict())
except Exception as e:
yield "data:" + json.dumps({"retcode": 500, "retmsg": str(e),
"data": {"answer": "**ERROR**: " + str(e), "reference": []}},
ensure_ascii=False) + "\n\n"
yield "data:" + json.dumps({"retcode": 0, "retmsg": "", "data": True}, ensure_ascii=False) + "\n\n"
if req.get("stream", True):
resp = Response(stream(), mimetype="text/event-stream")
resp.headers.add_header("Cache-control", "no-cache")
resp.headers.add_header("Connection", "keep-alive")
resp.headers.add_header("X-Accel-Buffering", "no")
resp.headers.add_header("Content-Type", "text/event-stream; charset=utf-8")
return resp
else:
answer = None
for ans in chat(dia, msg, **req):
answer = ans
fillin_conv(ans)
ConversationService.update_by_id(conv.id, conv.to_dict())
break
return get_json_result(data=answer)
@manager.route('/get', methods=['GET'])
@token_required
def get(tenant_id):
req = request.args
if "id" not in req:
return get_data_error_result(retmsg="id is required")
conv_id = req["id"]
conv = ConversationService.query(id=conv_id)
if not conv:
return get_data_error_result(retmsg="Session does not exist")
if not DialogService.query(id=conv[0].dialog_id, tenant_id=tenant_id, status=StatusEnum.VALID.value):
return get_data_error_result(retmsg="You do not own the session")
if "assistant_id" in req:
if req["assistant_id"] != conv[0].dialog_id:
return get_data_error_result(retmsg="The session doesn't belong to the assistant")
conv = conv[0].to_dict()
conv['messages'] = conv.pop("message")
conv["assistant_id"] = conv.pop("dialog_id")
if conv["reference"]:
messages = conv["messages"]
message_num = 0
chunk_num = 0
while message_num < len(messages):
if message_num != 0 and messages[message_num]["role"] != "user":
chunk_list = []
if "chunks" in conv["reference"][chunk_num]:
chunks = conv["reference"][chunk_num]["chunks"]
for chunk in chunks:
new_chunk = {
"id": chunk["chunk_id"],
"content": chunk["content_with_weight"],
"document_id": chunk["doc_id"],
"document_name": chunk["docnm_kwd"],
"knowledgebase_id": chunk["kb_id"],
"image_id": chunk["img_id"],
"similarity": chunk["similarity"],
"vector_similarity": chunk["vector_similarity"],
"term_similarity": chunk["term_similarity"],
"positions": chunk["positions"],
}
chunk_list.append(new_chunk)
chunk_num += 1
messages[message_num]["reference"] = chunk_list
message_num += 1
del conv["reference"]
return get_json_result(data=conv)
@manager.route('/list', methods=["GET"])
@token_required
def list(tenant_id):
assistant_id = request.args["assistant_id"]
if not DialogService.query(tenant_id=tenant_id, id=assistant_id, status=StatusEnum.VALID.value):
return get_json_result(
data=False, retmsg=f"You don't own the assistant.",
retcode=RetCode.OPERATING_ERROR)
convs = ConversationService.query(
dialog_id=assistant_id,
order_by=ConversationService.model.create_time,
reverse=True)
convs = [d.to_dict() for d in convs]
for conv in convs:
conv['messages'] = conv.pop("message")
conv["assistant_id"] = conv.pop("dialog_id")
if conv["reference"]:
messages = conv["messages"]
message_num = 0
chunk_num = 0
while message_num < len(messages):
if message_num != 0 and messages[message_num]["role"] != "user":
chunk_list = []
if "chunks" in conv["reference"][chunk_num]:
chunks = conv["reference"][chunk_num]["chunks"]
for chunk in chunks:
new_chunk = {
"id": chunk["chunk_id"],
"content": chunk["content_with_weight"],
"document_id": chunk["doc_id"],
"document_name": chunk["docnm_kwd"],
"knowledgebase_id": chunk["kb_id"],
"image_id": chunk["img_id"],
"similarity": chunk["similarity"],
"vector_similarity": chunk["vector_similarity"],
"term_similarity": chunk["term_similarity"],
"positions": chunk["positions"],
}
chunk_list.append(new_chunk)
chunk_num += 1
messages[message_num]["reference"] = chunk_list
message_num += 1
del conv["reference"]
return get_json_result(data=convs)
@manager.route('/delete', methods=["DELETE"])
@token_required
def delete(tenant_id):
id = request.args.get("id")
if not id:
return get_data_error_result(retmsg="`id` is required in deleting operation")
conv = ConversationService.query(id=id)
if not conv:
return get_data_error_result(retmsg="Session doesn't exist")
conv = conv[0]
if not DialogService.query(id=conv.dialog_id, tenant_id=tenant_id, status=StatusEnum.VALID.value):
return get_data_error_result(retmsg="You don't own the session")
ConversationService.delete_by_id(id)
return get_json_result(data=True)
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