rag-gateway/app/service/knowledge.py

from sqlalchemy import or_

from app.models import KnowledgeModel, group_knowledge_table
from app.models.user_model import UserModel
from Log import logger


async def get_knowledge_list(db, user_id, keyword, page_size, page_index, status, knowledge, location):
    user = db.query(UserModel).filter(UserModel.id == user_id).first()
    if user is None:
        return {"rows": []}
    query = db.query(KnowledgeModel).filter(KnowledgeModel.knowledge_type==knowledge)
    if user.permission != "admin":
        klg_list = [j.id for i in user.groups for j in i.knowledges]
        query = query.filter(or_(KnowledgeModel.tenant_id == user_id, KnowledgeModel.id.in_(klg_list)))
    if location:
        query = query.filter(KnowledgeModel.permission == "team")
    if keyword:
        query = query.filter(KnowledgeModel.name.like('%{}%'.format(keyword)))
    total = query.count()
    if page_size:
        query = query.limit(page_size).offset((page_index - 1) * page_size)
    return {"total":  total, "rows": [kld.to_json() for kld in query.all()]}


async def create_knowledge_service(db, klg_id, name, description, icon, klg_type, user_id):
    try:
        dialog_model = KnowledgeModel(id=klg_id,name=name, description=description,icon=icon, knowledge_type=klg_type, tenant_id=user_id)
        db.add(dialog_model)
        db.commit()
        db.refresh(dialog_model)
    except Exception as e:
        logger.error(e)
        db.rollback()
        return False
    return True