rag-gateway/app/task/fetch_agent.py

from typing import Dict, List, Tuple

from sqlalchemy import create_engine, Column, String, Integer
from sqlalchemy.exc import IntegrityError
from sqlalchemy.orm import sessionmaker

from app.config.config import settings
from app.models.agent_model import AgentModel
from app.models.base_model import SessionLocal, Base

# 创建数据库引擎和会话工厂
engine_bisheng = create_engine(settings.sgb_db_url)
engine_ragflow = create_engine(settings.fwr_db_url)

SessionBisheng = sessionmaker(autocommit=False, autoflush=False, bind=engine_bisheng)
SessionRagflow = sessionmaker(autocommit=False, autoflush=False, bind=engine_ragflow)


class Flow(Base):
    __tablename__ = 'flow'
    id = Column(String(255), primary_key=True)
    name = Column(String(255), nullable=False)
    status = Column(Integer, nullable=False)


class Dialog(Base):
    __tablename__ = 'dialog'
    id = Column(String(255), primary_key=True)
    name = Column(String(255), nullable=False)
    status = Column(String(1), nullable=False)


# 解析名字
def parse_names(names_str: str) -> List[str]:
    return [name.strip() for name in names_str.split(',')]


BISHENG_NAMES_TO_SYNC = parse_names(settings.fetch_sgb_agent)
RAGFLOW_NAMES_TO_SYNC = parse_names(settings.fetch_fwr_agent)


def get_data_from_bisheng(names: List[str]) -> List[Tuple]:
    db = SessionBisheng()
    try:
        if names:
            query = db.query(Flow.id, Flow.name) \
                .filter(Flow.status == 2, Flow.name.in_(names))
        else:
            query = db.query(Flow.id, Flow.name) \
                .filter(Flow.status == 2)

        results = query.all()
        print(f"Executing query: {query}")
        # 格式化id为UUID
        formatted_results = [(format_uuid(row[0]), row[1]) for row in results]
        return formatted_results
    finally:
        db.close()


def format_uuid(uuid_str: str) -> str:
    # 确保输入字符串长度为32
    if len(uuid_str) != 32:
        raise ValueError("Input string must be 32 characters long")

    # 插入连字符
    formatted_uuid = f"{uuid_str[:8]}-{uuid_str[8:12]}-{uuid_str[12:16]}-{uuid_str[16:20]}-{uuid_str[20:]}"
    return formatted_uuid


def get_data_from_ragflow(names: List[str]) -> List[Tuple]:
    db = SessionRagflow()
    try:
        if names:
            query = db.query(Dialog.id, Dialog.name) \
                .filter(Dialog.status == 1, Dialog.name.in_(names))
        else:
            query = db.query(Dialog.id, Dialog.name) \
                .filter(Dialog.status == 1)

        results = query.all()
        print(f"Executing query: {query}")
        return results
    finally:
        db.close()


def update_ids_in_local(data: List[Tuple]):
    db = SessionLocal()
    try:
        for row in data:
            name = row[1]
            new_id = row[0]
            existing_agent = db.query(AgentModel).filter_by(name=name).first()
            if existing_agent:
                existing_agent.id = new_id
                db.add(existing_agent)
        db.commit()
    except IntegrityError:
        db.rollback()
        raise
    finally:
        db.close()


def initialize_agents():
    db = SessionLocal()
    try:
        count = db.query(AgentModel).count()
        if count > 0:
            return
        initial_agents = [
            ('80ee430a-e396-48c4-a12c-7c7cdf5eda51', 1, '报告生成', 'BISHENG', 'report'),
            ('basic_excel_merge', 2, '报表合并', 'BASIC', 'excelMerge'),
            ('bfd090d589d811efb3630242ac190006', 4, '文档智能', 'BISHENG', 'report'),
            ('da3451da89d911efb9490242ac190006', 3, '知识问答', 'RAGFLOW', 'knowledgeQA'),
            ('e96eb7a589db11ef87d20242ac190006', 5, '智能问答', 'RAGFLOW', 'chat'),
            ('basic_excel_talk', 6, '智能数据', 'BASIC', 'excelTalk'),
            ('basic_question_talk', 7, '文档出卷', 'BASIC', 'questionTalk')
        ]

        for agent in initial_agents:
            agent_id = format_uuid(agent[0]) if len(agent[0]) == 32 else agent[0]
            db.add(AgentModel(id=agent_id, sort=agent[1], name=agent[2], agent_type=agent[3], type=agent[4]))

        db.commit()
        print("Initial agents inserted successfully")
    except IntegrityError:
        db.rollback()
        raise
    finally:
        db.close()


def sync_agents():
    try:
        bisheng_data = get_data_from_bisheng(BISHENG_NAMES_TO_SYNC)
        ragflow_data = get_data_from_ragflow(RAGFLOW_NAMES_TO_SYNC)

        update_ids_in_local(bisheng_data)
        update_ids_in_local(ragflow_data)

        print("Agents synchronized successfully")
    except Exception as e:
        print(f"Failed to sync agents: {str(e)}")