shanxia2.0/backend/app/api/bx/invoice.py

import mimetypes
from typing import List, Optional, Set

from fastapi import APIRouter, Depends, HTTPException, Request, status, Query
from sqlalchemy.orm import Session
from starlette.datastructures import UploadFile as StarletteUploadFile

from app.core.bx_auth import BxUserContext, get_bx_current_user
from app.core.database import get_db
from app.schemas.bx.common import ApiResponse, PagedData
from app.schemas.bx.invoice import InvoiceOut, LedgerOut, WalletSummaryOut
from app.services.bx.invoice import InvoiceService

router = APIRouter(tags=["发票夹"])


@router.get("/invoice-wallets/mine/summary", response_model=ApiResponse[WalletSummaryOut])
def get_mine_wallet_summary(
    userId: Optional[str] = None,
    db: Session = Depends(get_db),
    user: BxUserContext = Depends(get_bx_current_user),
):
    data = InvoiceService.get_mine_summary(db, user=user, owner_user_id=userId)
    return ApiResponse(data=WalletSummaryOut.model_validate(data))


@router.get("/invoice-wallets", response_model=ApiResponse[PagedData[WalletSummaryOut]])
def list_invoice_wallets(
    page: int = 1,
    pageSize: int = Query(10, ge=1, le=500),
    keyword: str = "",
    db: Session = Depends(get_db),
    user: BxUserContext = Depends(get_bx_current_user),
):
    rows, total = InvoiceService.list_wallets(
        db, user=user, page=page, page_size=pageSize, keyword=keyword
    )
    out_rows = [WalletSummaryOut.model_validate(InvoiceService._summary_to_dict(r)) for r in rows]
    return ApiResponse(data=PagedData(rows=out_rows, total=total, page=page, page_size=pageSize))


@router.get("/invoices", response_model=ApiResponse[PagedData[InvoiceOut]])
def list_invoices(
    page: int = 1,
    pageSize: int = Query(10, ge=1, le=500),
    userId: Optional[str] = None,
    db: Session = Depends(get_db),
    user: BxUserContext = Depends(get_bx_current_user),
):
    tenant_no = InvoiceService._tenant_no(db, user)
    rows, total = InvoiceService.list_invoices(
        db, user=user, owner_user_id=userId, page=page, page_size=pageSize
    )
    out_rows = InvoiceService.out_rows_with_attachments(db, tenant_no, list(rows))
    return ApiResponse(
        data=PagedData(
            rows=[InvoiceOut.model_validate(r) for r in out_rows],
            total=total,
            page=page,
            page_size=pageSize,
        )
    )


@router.post("/invoices", response_model=ApiResponse[InvoiceOut])
async def create_invoice(
    request: Request,
    db: Session = Depends(get_db),
    user: BxUserContext = Depends(get_bx_current_user),
):
    """一次上传一条发票：多文件挂同一档案，金额为总额，只写一条额度流水。

    使用 request.form().getlist，兼容只传 1 个文件时 FastAPI List[UploadFile] 的 422。
    """
    form = await request.form()
    amount_raw = form.get("amount")
    if amount_raw is None or str(amount_raw).strip() == "":
        raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="请填写金额")
    try:
        amount = float(amount_raw)
    except (TypeError, ValueError) as exc:
        raise HTTPException(
            status_code=status.HTTP_400_BAD_REQUEST, detail="金额格式不正确"
        ) from exc

    remark = str(form.get("remark") or "")
    target_raw = form.get("targetUserId")
    target_user_id = str(target_raw).strip() if target_raw not in (None, "") else None

    upload_files: List[StarletteUploadFile] = []
    seen_ids: Set[int] = set()
    for key in ("files", "file"):
        for item in form.getlist(key):
            if not isinstance(item, StarletteUploadFile):
                continue
            obj_id = id(item)
            if obj_id in seen_ids:
                continue
            seen_ids.add(obj_id)
            upload_files.append(item)

    if not upload_files:
        raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="请选择文件")

    file_payload = []
    for uf in upload_files:
        if not uf.filename:
            continue
        data = await uf.read()
        content_type = (
            uf.content_type
            or mimetypes.guess_type(uf.filename or "")[0]
            or "application/octet-stream"
        )
        file_payload.append((data, uf.filename or "unknown", content_type))
    if not file_payload:
        raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="请选择文件")

    try:
        invoice = InvoiceService.create(
            db,
            user=user,
            amount=amount,
            files=file_payload,
            remark=remark,
            target_user_id=target_user_id,
        )
        db.commit()
        db.refresh(invoice)
    except HTTPException:
        db.rollback()
        raise
    except Exception as exc:
        db.rollback()
        raise HTTPException(
            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR, detail="上传发票失败"
        ) from exc

    tenant_no = InvoiceService._tenant_no(db, user)
    out = InvoiceService.out_rows_with_attachments(db, tenant_no, [invoice])[0]
    return ApiResponse(data=InvoiceOut.model_validate(out))


@router.delete("/invoices/{invoice_id}", response_model=ApiResponse[bool])
def delete_invoice(
    invoice_id: str,
    db: Session = Depends(get_db),
    user: BxUserContext = Depends(get_bx_current_user),
):
    try:
        success = InvoiceService.delete(db, user=user, invoice_id=invoice_id)
        db.commit()
    except HTTPException:
        db.rollback()
        raise
    return ApiResponse(data=success)


@router.get("/invoice-ledgers", response_model=ApiResponse[List[LedgerOut]])
def list_invoice_ledgers(
    userId: Optional[str] = None,
    db: Session = Depends(get_db),
    user: BxUserContext = Depends(get_bx_current_user),
):
    rows = InvoiceService.list_ledgers(db, user=user, owner_user_id=userId)
    return ApiResponse(data=[LedgerOut.model_validate(r) for r in rows])