196 lines
8.1 KiB
Python
196 lines
8.1 KiB
Python
import os
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import asyncio
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import traceback
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from typing import List, Optional
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from fastapi import APIRouter, File, UploadFile, HTTPException, Depends, Body, Form, Query
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from src.utils import logger, hashstr
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from src import executor, retriever, config, knowledge_base, graph_base
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from server.utils.auth_middleware import get_admin_user
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from server.models.user_model import User
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data = APIRouter(prefix="/data")
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@data.get("/")
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async def get_databases(current_user: User = Depends(get_admin_user)):
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try:
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database = knowledge_base.get_databases()
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except Exception as e:
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logger.error(f"获取数据库列表失败 {e}, {traceback.format_exc()}")
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return {"message": f"获取数据库列表失败 {e}", "databases": []}
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return database
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@data.post("/")
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async def create_database(
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database_name: str = Body(...),
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description: str = Body(...),
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dimension: Optional[int] = Body(None),
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current_user: User = Depends(get_admin_user)
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):
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logger.debug(f"Create database {database_name}")
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try:
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database_info = knowledge_base.create_database(
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database_name,
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description,
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dimension=dimension
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)
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except Exception as e:
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logger.error(f"创建数据库失败 {e}, {traceback.format_exc()}")
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return {"message": f"创建数据库失败 {e}", "status": "failed"}
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return database_info
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@data.delete("/")
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async def delete_database(db_id, current_user: User = Depends(get_admin_user)):
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logger.debug(f"Delete database {db_id}")
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knowledge_base.delete_database(db_id)
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return {"message": "删除成功"}
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@data.post("/query-test")
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async def query_test(query: str = Body(...), meta: dict = Body(...), current_user: User = Depends(get_admin_user)):
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logger.debug(f"Query test in {meta}: {query}")
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result = retriever.query_knowledgebase(query, history=None, refs={"meta": meta})
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return result
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@data.post("/file-to-chunk")
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async def file_to_chunk(files: List[str] = Body(...), params: dict = Body(...), current_user: User = Depends(get_admin_user)):
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logger.debug(f"File to chunk: {files}")
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result = knowledge_base.file_to_chunk(files, params=params)
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return result
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@data.post("/url-to-chunk")
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async def url_to_chunk(urls: List[str] = Body(...), params: dict = Body(...), current_user: User = Depends(get_admin_user)):
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logger.debug(f"Url to chunk: {urls}")
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result = knowledge_base.url_to_chunk(urls, params=params)
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return result
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@data.post("/add-by-file")
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async def create_document_by_file(db_id: str = Body(...), files: List[str] = Body(...), current_user: User = Depends(get_admin_user)):
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logger.debug(f"Add document in {db_id} by file: {files}")
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try:
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# 使用线程池执行耗时操作
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loop = asyncio.get_event_loop()
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await loop.run_in_executor(
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executor, # 使用与chat_router相同的线程池
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lambda: knowledge_base.add_files(db_id, files)
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)
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return {"message": "文件添加完成", "status": "success"}
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except Exception as e:
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logger.error(f"添加文件失败: {e}, {traceback.format_exc()}")
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return {"message": f"添加文件失败: {e}", "status": "failed"}
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@data.post("/add-by-chunks")
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async def add_by_chunks(db_id: str = Body(...), file_chunks: dict = Body(...), current_user: User = Depends(get_admin_user)):
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# logger.debug(f"Add chunks in {db_id}: {len(file_chunks)} chunks")
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try:
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loop = asyncio.get_event_loop()
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await loop.run_in_executor(
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executor, # 使用与chat_router相同的线程池
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lambda: knowledge_base.add_chunks(db_id, file_chunks)
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)
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return {"message": "分块添加完成", "status": "success"}
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except Exception as e:
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logger.error(f"添加分块失败: {e}, {traceback.format_exc()}")
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return {"message": f"添加分块失败: {e}", "status": "failed"}
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@data.get("/info")
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async def get_database_info(db_id: str, current_user: User = Depends(get_admin_user)):
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# logger.debug(f"Get database {db_id} info")
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database = knowledge_base.get_database_info(db_id)
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if database is None:
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raise HTTPException(status_code=404, detail="Database not found")
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return database
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@data.delete("/document")
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async def delete_document(db_id: str = Body(...), file_id: str = Body(...), current_user: User = Depends(get_admin_user)):
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logger.debug(f"DELETE document {file_id} info in {db_id}")
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knowledge_base.delete_file(db_id, file_id)
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return {"message": "删除成功"}
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@data.get("/document")
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async def get_document_info(db_id: str, file_id: str, current_user: User = Depends(get_admin_user)):
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logger.debug(f"GET document {file_id} info in {db_id}")
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try:
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info = knowledge_base.get_file_info(db_id, file_id)
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except Exception as e:
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logger.error(f"Failed to get file info, {e}, {db_id=}, {file_id=}, {traceback.format_exc()}")
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info = {"message": "Failed to get file info", "status": "failed"}
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return info
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@data.post("/upload")
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async def upload_file(
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file: UploadFile = File(...),
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db_id: Optional[str] = Query(None),
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current_user: User = Depends(get_admin_user)
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):
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if not file.filename:
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raise HTTPException(status_code=400, detail="No selected file")
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# 根据db_id获取上传路径，如果db_id为None则使用默认路径
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if db_id:
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upload_dir = knowledge_base.get_db_upload_path(db_id)
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else:
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upload_dir = os.path.join(config.save_dir, "data", "uploads")
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basename, ext = os.path.splitext(file.filename)
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filename = f"{basename}_{hashstr(basename, 4, with_salt=True)}{ext}".lower()
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file_path = os.path.join(upload_dir, filename)
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os.makedirs(upload_dir, exist_ok=True)
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with open(file_path, "wb") as buffer:
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buffer.write(await file.read())
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return {"message": "File successfully uploaded", "file_path": file_path, "db_id": db_id}
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@data.get("/graph")
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async def get_graph_info(current_user: User = Depends(get_admin_user)):
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graph_info = graph_base.get_graph_info()
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if graph_info is None:
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raise HTTPException(status_code=400, detail="图数据库获取出错")
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return graph_info
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@data.post("/graph/index-nodes")
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async def index_nodes(data: dict = Body(default={}), current_user: User = Depends(get_admin_user)):
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if not graph_base.is_running():
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raise HTTPException(status_code=400, detail="图数据库未启动")
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# 获取参数或使用默认值
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kgdb_name = data.get('kgdb_name', 'neo4j')
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# 调用GraphDatabase的add_embedding_to_nodes方法
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count = graph_base.add_embedding_to_nodes(kgdb_name=kgdb_name)
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return {"status": "success", "message": f"已成功为{count}个节点添加嵌入向量", "indexed_count": count}
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@data.get("/graph/node")
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async def get_graph_node(entity_name: str, current_user: User = Depends(get_admin_user)):
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result = graph_base.query_node(entity_name=entity_name)
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return {"result": graph_base.format_query_result_to_graph(result), "message": "success"}
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@data.get("/graph/nodes")
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async def get_graph_nodes(kgdb_name: str, num: int, current_user: User = Depends(get_admin_user)):
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if not config.enable_knowledge_graph:
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raise HTTPException(status_code=400, detail="Knowledge graph is not enabled")
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logger.debug(f"Get graph nodes in {kgdb_name} with {num} nodes")
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result = graph_base.get_sample_nodes(kgdb_name, num)
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return {"result": graph_base.format_general_results(result), "message": "success"}
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@data.post("/graph/add-by-jsonl")
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async def add_graph_entity(file_path: str = Body(...), kgdb_name: Optional[str] = Body(None), current_user: User = Depends(get_admin_user)):
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if not config.enable_knowledge_graph:
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return {"message": "知识图谱未启用", "status": "failed"}
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if not file_path.endswith('.jsonl'):
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return {"message": "文件格式错误，请上传jsonl文件", "status": "failed"}
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try:
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await graph_base.jsonl_file_add_entity(file_path, kgdb_name)
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return {"message": "实体添加成功", "status": "success"}
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except Exception as e:
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logger.error(f"添加实体失败: {e}, {traceback.format_exc()}")
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return {"message": f"添加实体失败: {e}", "status": "failed"}
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