zhaoqingang
2024-12-26 9191081e44363e4227ea3230edd6fb7619ccb294
app/api/excel.py
@@ -1,105 +1,172 @@
from fastapi import APIRouter, File, UploadFile
from fastapi import APIRouter, File, UploadFile, Form, BackgroundTasks, Depends
from fastapi.responses import JSONResponse, FileResponse
from fastapi.exceptions import HTTPException
from werkzeug.utils import secure_filename
from starlette.websockets import WebSocket
from app.api import get_current_user, get_current_user_websocket
from app.models import UserModel
from app.utils.excelmerge.conformity import run_conformity
from pathlib import Path
import subprocess
import shutil
import os
router = APIRouter()
ALLOWED_EXTENSIONS = {'xlsx'}
EXCEL_FILES_PATH = 'data/output'
SOURCE_FILES_PATH = 'data/source'
output_path_value = None
def allowed_file(filename):
def allowed_file(filename: str) -> bool:
    return '.' in filename and filename.rsplit('.', 1)[1].lower() in ALLOWED_EXTENSIONS
def create_dir_if_not_exists(path):
def create_dir_if_not_exists(path: str):
    if not os.path.exists(path):
        os.makedirs(path)
@router.post('/excel/upload')
async def upload_file(files: list[UploadFile] = File(...)):
    if not any(file.filename for file in files):
        return JSONResponse(content={"error": "没有文件部分"}, status_code=400)
    create_dir_if_not_exists(SOURCE_FILES_PATH)
    # 清空SOURCE_FILES_PATH目录
    for filename in os.listdir(SOURCE_FILES_PATH):
        file_path = os.path.join(SOURCE_FILES_PATH, filename)
def clear_directory(path: str) -> dict:
    for filename in os.listdir(path):
        file_path = os.path.join(path, filename)
        try:
            if os.path.isfile(file_path) or os.path.islink(file_path):
                os.unlink(file_path)
            elif os.path.isdir(file_path):
                shutil.rmtree(file_path)
        except Exception as e:
            return JSONResponse(content={"error": "文件处理出错"}, status_code=500)
            return {"error": "清空出错"}
    return {"message": "目录已清空"}
def user_file_path(userid: str, path: str) -> str:
    return os.path.join(path, userid)
@router.post('/excel/upload')
async def upload_file(files: list[UploadFile] = File(...), current_user: UserModel = Depends(get_current_user)):
    user_id = str(current_user.id)
    if not any(file.filename for file in files):
        return JSONResponse(content={"error": "没有文件部分"}, status_code=400)
    if not user_id:
        return JSONResponse(content={"error": "缺少参数user_id"}, status_code=400)
    user_source = user_file_path(user_id, SOURCE_FILES_PATH)
    user_excel = user_file_path(user_id, EXCEL_FILES_PATH)
    create_dir_if_not_exists(user_source)
    create_dir_if_not_exists(user_excel)
    clear_directory(user_source)
    clear_directory(user_excel)
    save_path_list = []
    for file in files:
        if file.filename == '':
            return JSONResponse(content={"error": "没有选择文件"}, status_code=400)
        if file and allowed_file(file.filename):
            filename = secure_filename(file.filename)
            save_path = os.path.join(SOURCE_FILES_PATH, filename)
            save_path = os.path.join(user_source, file.filename)
            with open(save_path, 'wb') as buffer:
                shutil.copyfileobj(file.file, buffer)
            save_path_list.append(save_path)
        else:
            return JSONResponse(content={"error": "不允许的文件类型"}, status_code=400)
    return JSONResponse(content={"message": "文件上传成功", "paths": save_path_list}, status_code=201)
    return JSONResponse(content={"code": 200, "msg": "", "data": {}}, status_code=200)
@router.post('/excel/conformity')
async def run_conformity_api():
    global output_path_value  # 声明全局变量
    try:
        create_dir_if_not_exists(EXCEL_FILES_PATH)
# ws://localhost:9201/api/document/ws/excel
@router.websocket("/ws/excel")
async def ws_excel(websocket: WebSocket, current_user: UserModel = Depends(get_current_user_websocket)):
    await websocket.accept()
    user_id = str(current_user.id)
        # 清空EXCEL_FILES_PATH目录
        for filename in os.listdir(EXCEL_FILES_PATH):
            file_path = os.path.join(EXCEL_FILES_PATH, filename)
            try:
                if os.path.isfile(file_path) or os.path.islink(file_path):
                    os.unlink(file_path)
                elif os.path.isdir(file_path):
                    shutil.rmtree(file_path)
            except Exception as e:
                return JSONResponse(content={"error": "文件处理出错"}, status_code=500)
    user_source = user_file_path(user_id, SOURCE_FILES_PATH)
    user_excel = user_file_path(user_id, EXCEL_FILES_PATH)
    create_dir_if_not_exists(user_source)
    create_dir_if_not_exists(user_excel)
        # 运行方法
        output_path = run_conformity()
        output_path_value = output_path
        return JSONResponse(content={"message": "conformity.py 运行成功", "output_path": str(output_path)}, status_code=200)
    except Exception as e:
        return JSONResponse(content={"error": str(e)}, status_code=500)
    while True:
        data = await websocket.receive_text()
        try:
            if data == "\"合并Excel\"":
                run_excel = run_conformity(user_source, user_excel)
                files = os.listdir(user_excel)
                if run_excel:
                    first_file = files[0]
                    file_name = os.path.basename(first_file)
                    download_url = f"./api/document/download/{first_file}"
                    await websocket.send_json({
                        "message": "文档合并成功!",
                        "type": "stream",
                        "files": [{
                            "file_name": file_name,
                            "file_url": download_url
                        }]
                    })
                    await websocket.send_json({
                        "message": "文档合并成功!",
                        "type": "close",
                    })
                else:
                    await websocket.send_json({"error": "合并失败", "type": "stream", "files": []})
            elif data == "\"查询合并进度\"":
                files = os.listdir(user_excel)
                if not files:
                    await websocket.send_json({"step_message": "正在合并中", "type": "stream", "files": []})
                else:
                    await websocket.send_json({"step_message": "文档合并成功!", "type": "stream", "files": []})
            elif data == "\"获取文件\"":
                files = os.listdir(user_excel)
                if not files:
                    await websocket.send_json({"error": "目录下没有生成的文件", "type": "stream", "files": []})
                else:
                    first_file = files[0]
                    file_name = os.path.basename(first_file)
                    file_url = f"./api/document/download/{first_file}"
                    await websocket.send_json({
                        "step_message": "文档合并成功!",
                        "type": "stream",
                        "files": [{
                            "file_name": file_name,
                            "file_url": file_url
                        }]
                    })
            else:
                print(f"Received data: {data}")
                await websocket.send_json({"error": "未知指令", "data": str(data)})
        except Exception as e:
            await websocket.send_json({"error": str(e)})
            await websocket.close()
@router.get('/excel/file/status')
async def get_file_status():
    try:
        return JSONResponse(content={"output_path": str(output_path_value)}, status_code=200)
    except Exception as e:
        return JSONResponse(content={"error": str(e)}, status_code=500)
@router.get("/download/excel")
async def download_file(background_tasks: BackgroundTasks, current_user: UserModel = Depends(get_current_user)):
    user_id = str(current_user.id)
    user_excel = user_file_path(user_id, EXCEL_FILES_PATH)
    user_source = user_file_path(user_id, SOURCE_FILES_PATH)
    if not os.path.exists(user_excel):
        return JSONResponse(status_code=404, content={"error": "用户目录不存在"})
@router.get('/excel/download_excel')
async def download_excel():
    try:
        files = os.listdir(EXCEL_FILES_PATH)
        first_file = files[0]
        return FileResponse(os.path.join(EXCEL_FILES_PATH, first_file), filename=first_file,
                            media_type='application/vnd.openxmlformats-officedocument.spreadsheetml.sheet')
    except FileNotFoundError:
        raise HTTPException(status_code=404, detail="文件不存在")
    except Exception as e:
        raise HTTPException(status_code=500, detail="服务器错误")
    excel_files = [f for f in os.listdir(user_excel) if os.path.isfile(os.path.join(user_excel, f))]
    excel_files.sort(key=lambda x: os.path.getmtime(os.path.join(user_excel, x)), reverse=True)
    if not excel_files:
        return JSONResponse(status_code=404, content={"error": "用户目录内没有文件"})
    filename = excel_files[0]
    file_path = os.path.join(user_excel, filename)
    def delete_files_in_directory(directory):
        for root, dirs, files in os.walk(directory, topdown=False):
            for name in files:
                os.remove(os.path.join(root, name))
            for name in dirs:
                os.rmdir(os.path.join(root, name))
    def delete_file():
        try:
            delete_files_in_directory(user_excel)
            delete_files_in_directory(user_source)
        except OSError as e:
            print(f"Error deleting file {file_path}: {e}")
    background_tasks.add_task(delete_file)
    return FileResponse(file_path, filename=filename,
                        media_type='application/vnd.openxmlformats-officedocument.spreadsheetml.sheet')