Files
KCGL/inventory-backend/app/api/v1/scrap.py
yueli e152f16ebc feat(scrap): 报废一律需审批,不再按物料标记区分
业务规则变更:所有报废申请都必须由指定审批人审批通过后才能执行。

原逻辑走 resolve_approval_control 判定是否需审批,而 material_base 表中
仅 1/3012 个物料标记了 is_approval_required,意味着 99.97% 的报废申请会
走免审批分支——status 直接置 1、actual_approver_id 被赋为申请人自己、
审批人参数被静默丢弃。前端即便做了必填也只是摆设。

改动(规则收敛到单一来源):
  · 新增 SCRAP_ALWAYS_REQUIRES_APPROVAL = True,作为唯一开关;
  · submit_approval() 无审批人一律拒绝;恒置 status=0(待审批);
    删除免审批自动通过分支;
  · resolve_approval_control 仍调用,但仅用于生成提示文案,
    不再参与是否审批的判定;
  · /request/check-approval 返回 need_approval=SCRAP_ALWAYS_REQUIRES_APPROVAL,
    否则该接口会继续返回 false,导致前端预检结果失真。

实测:不传审批人 → 拒绝;传审批人 → status=0 且 actual_approver_id 为空。
⚠ 注意:此前自动通过的单据今后一律进入审批队列。
2026-09-10 11:32:51 +08:00

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# inventory-backend/app/api/v1/scrap.py
from flask import Blueprint, request, jsonify
from flask_jwt_extended import jwt_required, get_jwt_identity, get_jwt
from app.utils.decorators import permission_required, audit_log, get_current_company_filter
from app.services.auth_service import AuthService
from app.extensions import db
from app.models.transaction import TransScrap, TransRepair
from app.models.inbound.buy import StockBuy
from app.models.inbound.semi import StockSemi
from app.models.inbound.product import StockProduct
from app.models.base import MaterialBase
from app.models.system import SysUser
import traceback
import math
scrap_bp = Blueprint('scrap', __name__, url_prefix='/scrap')
# ==============================================================================
# 辅助函数:获取当前用户的完整权限列表(基于角色查询)
# ==============================================================================
def get_current_user_permissions():
from flask_jwt_extended import get_jwt
from app.services.auth_service import AuthService
claims = get_jwt()
user_role = claims.get('role')
user_company = claims.get('company_name', '')
if not user_role:
return []
if user_role.upper() == 'SUPER_ADMIN':
return ['scrap_list:*']
perm_dict = AuthService.get_user_permissions(user_role, company_name=user_company)
perms = perm_dict.get('menus', []) + perm_dict.get('elements', [])
return perms
# --------------------------------------------------------
# 1. 扫码查询库存接口 (关联三个库存表)
# GET /api/v1/scrap/scan?barcode=...
# --------------------------------------------------------
@scrap_bp.route('/scan', methods=['GET'])
@jwt_required()
@permission_required('scrap_selection')
def scan_barcode():
barcode = request.args.get('barcode')
if not barcode:
return jsonify({'code': 400, 'msg': '请提供条码'}), 400
try:
result = ScrapService.get_stock_by_barcode(barcode)
if result:
# ★ Fail-Closed: 扫码响应剥离价格字段
result.pop('price', None)
return jsonify({'code': 200, 'msg': '扫描成功', 'data': result})
else:
return jsonify({'code': 404, 'msg': '未找到对应的库存记录'}), 404
except Exception as e:
import traceback
traceback.print_exc() # 强制在控制台打印真实错误堆栈
return jsonify({"code": 500, "msg": f"服务器内部错误详情: {str(e)}"}), 500
# --------------------------------------------------------
# 2. 提交报废单接口
# POST /api/v1/scrap
# --------------------------------------------------------
@scrap_bp.route('', methods=['POST'])
@jwt_required()
@audit_log(
module='报废管理',
action='报废出库',
get_target_name_fn=lambda: request.get_json().get('items')[0].get('sku') if request.get_json() and request.get_json().get('items') else None
)
def create_scrap():
claims = get_jwt()
user_role = claims.get('role')
user_company = claims.get('company_name', '')
if not user_role:
return jsonify({'code': 403, 'msg': '未授权'}), 403
# 超级管理员直接放行
if user_role.upper() != 'SUPER_ADMIN':
perm_dict = AuthService.get_user_permissions(user_role, company_name=user_company)
perms = perm_dict.get('menus', []) + perm_dict.get('elements', [])
if 'scrap_create:operation' not in perms:
return jsonify({'code': 403, 'msg': '权限不足'}), 403
data = request.get_json()
if not data:
return jsonify({'code': 400, 'msg': '无有效数据'}), 400
current_user_name = get_jwt_identity() or 'Unknown'
# items 必填
if 'items' not in data or not data['items']:
return jsonify({'code': 400, 'msg': '报废商品列表不能为空'}), 400
try:
result = ScrapService.process_scrap(data, operator_name=current_user_name)
return jsonify({'code': 200, 'msg': '报废成功', 'data': result})
except Exception as e:
traceback.print_exc()
db.session.rollback()
return jsonify({'code': 400, 'msg': str(e)}), 400
# --------------------------------------------------------
# 2.1 报废申请专用库存列表(独立权限,解耦出库选单)
# GET /api/v1/scrap/stock-list
# --------------------------------------------------------
@scrap_bp.route('/stock-list', methods=['GET'])
@jwt_required()
@permission_required('scrap_apply')
def get_scrap_stock_list():
"""
报废申请专用库存列表 — Fail-Closed: 剥离价格字段
与借库 /transactions/borrow/stock-list 同构:复用 _do_get_stock_list
但挂 scrap_apply 权限,报废申请人无需持有出库选单权限。
"""
from app.api.v1.inbound.stock import _do_get_stock_list
return _do_get_stock_list(permission_prefix='scrap_apply')
# --------------------------------------------------------
# 3. 报废记录查询接口
# GET /api/v1/scrap/records
# --------------------------------------------------------
@scrap_bp.route('/records', methods=['GET'])
@jwt_required()
@permission_required('scrap_list')
def get_scrap_records():
page = request.args.get('page', 1, type=int)
page_size = request.args.get('pageSize', 50, type=int)
sku = request.args.get('sku', '')
start_date = request.args.get('start_date', '')
end_date = request.args.get('end_date', '')
try:
result = ScrapService.query_records(
page=page,
page_size=page_size,
sku=sku,
start_date=start_date,
end_date=end_date
)
# ★ Fail-Closed: 报废记录剥离成本字段
for item in (result.get('list') or []):
for k in ('cost_at_scrap', 'total_loss'):
item.pop(k, None)
return jsonify({'code': 200, 'msg': 'success', 'data': result})
except Exception as e:
traceback.print_exc()
return jsonify({'code': 500, 'msg': str(e)}), 500
# ============================================================
# Service 层:报废核心逻辑
# ============================================================
class ScrapService:
@staticmethod
def get_stock_by_barcode(barcode):
"""根据条码查找库存"""
if not barcode:
return None
clean_code = barcode.strip()
def get_price(item, table_type):
if table_type == 'stock_product':
return float(item.sale_price) if item.sale_price else 0
elif table_type == 'stock_buy':
return float(item.pre_tax_unit_price) if item.pre_tax_unit_price else 0
return 0
# 1. 查询成品
prod = StockProduct.query.filter(
db.or_(StockProduct.barcode == clean_code, StockProduct.sku == clean_code)
).first()
if prod:
res = ScrapService._format_stock(prod, 'stock_product')
res['price'] = get_price(prod, 'stock_product')
return res
# 2. 查询半成品
semi = StockSemi.query.filter(
db.or_(StockSemi.barcode == clean_code, StockSemi.sku == clean_code)
).first()
if semi:
res = ScrapService._format_stock(semi, 'stock_semi')
res['price'] = 0
return res
# 3. 查询原材料
buy = StockBuy.query.filter(
db.or_(StockBuy.barcode == clean_code, StockBuy.sku == clean_code)
).first()
if buy:
res = ScrapService._format_stock(buy, 'stock_buy')
res['price'] = get_price(buy, 'stock_buy')
return res
# 4. 查询维修单 (TransRepair)
repair = TransRepair.query.filter(
db.or_(TransRepair.sku == clean_code, TransRepair.serial_number == clean_code)
).filter(
TransRepair.repair_status.notin_(['已出库', '报废转出'])
).first()
if repair:
return {
'id': repair.id,
'sku': repair.sku,
'barcode': repair.sku,
'name': repair.material_name or '维修件',
'spec': '',
'category': '',
'material_type': '',
'warehouse_loc': repair.customer_location or '',
'stock_quantity': 1,
'available_quantity': 1,
'source_table': 'trans_repair',
'price': float(repair.sale_price) if repair.sale_price else 0
}
return None
@staticmethod
def _format_stock(item, table_type):
"""格式化库存查询结果 - 使用安全 getattr 防止属性错误"""
return {
'id': getattr(item, 'id', None),
'sku': getattr(item, 'sku', ''),
'barcode': getattr(item, 'barcode', getattr(item, 'bar_code', '')),
'name': item.base.name if getattr(item, 'base', None) else '',
'spec': item.base.spec_model if getattr(item, 'base', None) else '',
'category': item.base.category if getattr(item, 'base', None) else '',
'material_type': item.base.material_type if getattr(item, 'base', None) else '',
'warehouse_loc': getattr(item, 'warehouse_location', ''),
'stock_quantity': float(getattr(item, 'stock_quantity', getattr(item, 'qty_stock', 0)) or 0),
'available_quantity': float(getattr(item, 'available_quantity', getattr(item, 'qty_available', 0)) or 0),
'source_table': table_type,
}
@staticmethod
def process_scrap(data, operator_name='System'):
"""处理报废:扣减库存并记录报废单"""
items = data.get('items', [])
reason = data.get('reason', '')
if not reason:
raise ValueError('请填写报废原因')
created_records = []
for item in items:
stock_id = item.get('id')
source_table = item.get('source_table')
scrap_qty = float(item.get('quantity', 0))
if not stock_id or not source_table or scrap_qty <= 0:
continue
# 处理维修单报废
if source_table == 'trans_repair':
repair = TransRepair.query.get(stock_id)
if not repair:
raise ValueError(f'维修单不存在: ID={stock_id}')
# 更新维修单状态为报废转出
repair.repair_status = '报废转出'
# 创建报废记录
scrap_record = TransScrap(
sku=repair.sku,
source_table='trans_repair',
stock_id=stock_id,
quantity=1,
reason=reason,
operator_name=operator_name,
approval_status='approved',
cost_at_scrap=float(repair.cost_price) if repair.cost_price else 0,
total_loss=float(repair.cost_price) if repair.cost_price else 0
)
db.session.add(scrap_record)
created_records.append(scrap_record)
continue
# 获取库存记录 — ★ 修复并发:使用悲观锁防止超卖/负库存
stock_record = None
if source_table == 'stock_product':
stock_record = StockProduct.query.with_for_update().get(stock_id)
elif source_table == 'stock_semi':
stock_record = StockSemi.query.with_for_update().get(stock_id)
elif source_table == 'stock_buy':
stock_record = StockBuy.query.with_for_update().get(stock_id)
if not stock_record:
raise ValueError(f'库存记录不存在: ID={stock_id}')
# 检查可用数量锁已持有TOCTOU 窗口已消除)
avail_qty = float(stock_record.available_quantity) if stock_record.available_quantity else 0
if avail_qty < scrap_qty:
raise ValueError(f"SKU {stock_record.sku} 可用库存不足,当前可用: {avail_qty}")
# 计算损失金额
unit_price = 0.0
if source_table == 'stock_product':
unit_price = float(stock_record.sale_price) if stock_record.sale_price else 0
elif source_table == 'stock_buy':
unit_price = float(stock_record.pre_tax_unit_price) if stock_record.pre_tax_unit_price else 0
total_loss = round(unit_price * scrap_qty, 2)
# 扣减库存
stock_record.stock_quantity = float(stock_record.stock_quantity) - scrap_qty
stock_record.available_quantity = float(stock_record.available_quantity) - scrap_qty
# 创建报废记录
scrap_record = TransScrap(
sku=stock_record.sku,
source_table=source_table,
stock_id=stock_id,
quantity=scrap_qty,
reason=reason,
operator_name=operator_name,
approval_status='approved',
cost_at_scrap=unit_price,
total_loss=total_loss
)
db.session.add(scrap_record)
created_records.append(scrap_record)
db.session.commit()
return {'count': len(created_records)}
@staticmethod
def query_records(page=1, page_size=50, sku='', start_date='', end_date=''):
"""分页查询报废记录"""
query = TransScrap.query
if sku:
query = query.filter(TransScrap.sku.like(f'%{sku}%'))
if start_date:
query = query.filter(TransScrap.operation_time >= start_date)
if end_date:
query = query.filter(TransScrap.operation_time <= end_date + ' 23:59:59')
# 【行级数据隔离】基于 JWT 多租户公司过滤
# 通过 stock 表或 trans_repair 关联到 MaterialBase
company_limit = get_current_company_filter()
if company_limit is not None:
buy_subq = db.session.query(TransScrap.id).join(
StockBuy, db.and_(TransScrap.stock_id == StockBuy.id,
TransScrap.source_table == 'stock_buy')
).join(MaterialBase, StockBuy.base_id == MaterialBase.id).filter(
MaterialBase.company_name == company_limit
)
semi_subq = db.session.query(TransScrap.id).join(
StockSemi, db.and_(TransScrap.stock_id == StockSemi.id,
TransScrap.source_table == 'stock_semi')
).join(MaterialBase, StockSemi.base_id == MaterialBase.id).filter(
MaterialBase.company_name == company_limit
)
product_subq = db.session.query(TransScrap.id).join(
StockProduct, db.and_(TransScrap.stock_id == StockProduct.id,
TransScrap.source_table == 'stock_product')
).join(MaterialBase, StockProduct.base_id == MaterialBase.id).filter(
MaterialBase.company_name == company_limit
)
repair_subq = db.session.query(TransScrap.id).join(
TransRepair, db.and_(TransScrap.stock_id == TransRepair.id,
TransScrap.source_table == 'trans_repair')
).join(MaterialBase, TransRepair.base_id == MaterialBase.id).filter(
MaterialBase.company_name == company_limit
)
# ★ 借库转报废stock_id 指向 trans_borrow.id通过 borrow 关联源库存表再关联 MaterialBase
from app.models.transaction import TransBorrow
borrow_stock_buy = db.session.query(TransScrap.id).join(
TransBorrow, db.and_(TransScrap.stock_id == TransBorrow.id,
TransScrap.source_table == 'trans_borrow')
).join(StockBuy, TransBorrow.stock_id == StockBuy.id).join(
MaterialBase, StockBuy.base_id == MaterialBase.id
).filter(MaterialBase.company_name == company_limit)
borrow_stock_semi = db.session.query(TransScrap.id).join(
TransBorrow, db.and_(TransScrap.stock_id == TransBorrow.id,
TransScrap.source_table == 'trans_borrow')
).join(StockSemi, TransBorrow.stock_id == StockSemi.id).join(
MaterialBase, StockSemi.base_id == MaterialBase.id
).filter(MaterialBase.company_name == company_limit)
borrow_stock_product = db.session.query(TransScrap.id).join(
TransBorrow, db.and_(TransScrap.stock_id == TransBorrow.id,
TransScrap.source_table == 'trans_borrow')
).join(StockProduct, TransBorrow.stock_id == StockProduct.id).join(
MaterialBase, StockProduct.base_id == MaterialBase.id
).filter(MaterialBase.company_name == company_limit)
all_matches = buy_subq.union(
semi_subq, product_subq, repair_subq,
borrow_stock_buy, borrow_stock_semi, borrow_stock_product
).subquery()
query = query.filter(TransScrap.id.in_(all_matches))
# 按时间倒序
query = query.order_by(TransScrap.operation_time.desc())
total = query.count()
records = query.offset((page - 1) * page_size).limit(page_size).all()
# 遍历结果,补充操作人姓名、物料名称、规格
result_list = []
for r in records:
item = r.to_dict()
# 1. 解析操作人姓名
if r.operator_name:
# operator_name 可能是用户ID或用户名尝试解析为真实姓名
try:
# 尝试将 operator_name 当作用户ID查询
user_id = int(r.operator_name)
user = SysUser.query.get(user_id)
if user:
# 解析存储格式: "张三/zhangsan"
raw_name = user.username
if '/' in raw_name:
item['operator_name'] = raw_name.split('/')[0]
except (ValueError, TypeError):
# 如果不是数字ID保持原值
pass
# 2. 多态解析物料名称与规格
material_name = ''
spec_model = ''
if r.source_table == 'trans_borrow':
# 借库转报废stock_id 指向 trans_borrow.id通过源库存表取物料
from app.models.transaction import TransBorrow
borrow = TransBorrow.query.get(r.stock_id)
if borrow:
bstock_model = None
if borrow.source_table == 'stock_buy':
bstock_model = StockBuy.query.get(borrow.stock_id)
elif borrow.source_table == 'stock_semi':
bstock_model = StockSemi.query.get(borrow.stock_id)
elif borrow.source_table == 'stock_product':
bstock_model = StockProduct.query.get(borrow.stock_id)
if bstock_model and hasattr(bstock_model, 'base_id') and bstock_model.base_id:
base = MaterialBase.query.get(bstock_model.base_id)
if base:
material_name = base.name or ''
spec_model = base.spec_model or ''
elif r.source_table == 'trans_repair':
# 维修单
repair = TransRepair.query.get(r.stock_id)
if repair:
material_name = repair.material_name or ''
spec_model = ''
elif r.source_table in ['stock_buy', 'stock_semi', 'stock_product']:
# 常规库存表
stock_model = None
if r.source_table == 'stock_buy':
stock_model = StockBuy.query.get(r.stock_id)
elif r.source_table == 'stock_semi':
stock_model = StockSemi.query.get(r.stock_id)
elif r.source_table == 'stock_product':
stock_model = StockProduct.query.get(r.stock_id)
if stock_model and hasattr(stock_model, 'base_id') and stock_model.base_id:
base = MaterialBase.query.get(stock_model.base_id)
if base:
material_name = base.name or ''
spec_model = base.spec_model or ''
elif stock_model and hasattr(stock_model, 'base') and stock_model.base:
material_name = stock_model.base.name or ''
spec_model = stock_model.base.spec_model or ''
item['material_name'] = material_name
item['spec_model'] = spec_model
result_list.append(item)
return {
'list': result_list,
'total': total,
'page': page,
'pageSize': page_size
}
# ==============================================================================
# 报废审批流(申请 → 审批 → 按单执行)—— 镜像 借库/出库 审批框架
# 与旧 /scrap直接报废并存旧入口不动
# ==============================================================================
def _current_user_role():
try:
claims = get_jwt()
return (claims.get('role') or '').upper()
except Exception:
return ''
@scrap_bp.route('/request/check-approval', methods=['POST'])
@jwt_required()
@permission_required('scrap_apply')
def scrap_check_approval():
"""
提交前预检:报废一律需审批,本接口返回 need_approval=true
并附带命中「需审批物料」标记的明细,供前端展示审批提示文案。
"""
try:
from app.services.approval_control import resolve_approval_control
from app.services.scrap_approval_service import SCRAP_ALWAYS_REQUIRES_APPROVAL
data = request.get_json() or {}
items = data.get('items', []) or []
_, flagged = resolve_approval_control(items)
return jsonify({'code': 200, 'msg': 'success',
'data': {'need_approval': SCRAP_ALWAYS_REQUIRES_APPROVAL,
'materials': flagged}}), 200
except Exception as e:
traceback.print_exc()
return jsonify({'code': 500, 'msg': f'预检失败: {str(e)}'}), 500
@scrap_bp.route('/request', methods=['POST'])
@jwt_required()
@permission_required('scrap_apply')
def create_scrap_request():
"""提交报废申请(不扣库存;扣减在库管执行时)"""
try:
from app.services.scrap_approval_service import ScrapApprovalService
identity = get_jwt_identity()
if not identity:
return jsonify({'code': 401, 'msg': '用户未登录'}), 401
data = request.get_json() or {}
req = ScrapApprovalService.submit_approval(
applicant_id=int(identity),
items=data.get('items', []),
allowed_approvers=data.get('allowed_approvers'),
remark=data.get('remark'),
approver_id=data.get('approver_id'),
force_approval=(_current_user_role() == 'WAREHOUSE_MGR'),
)
return jsonify({'code': 200, 'msg': '报废申请已提交', 'data': req.to_dict()}), 200
except ValueError as e:
return jsonify({'code': 400, 'msg': str(e)}), 400
except Exception as e:
traceback.print_exc()
return jsonify({'code': 500, 'msg': f'提交报废申请失败: {str(e)}'}), 500
@scrap_bp.route('/request', methods=['GET'])
@jwt_required()
@permission_required('scrap_approval')
def list_scrap_requests():
"""
报废申请列表。
scope: mine(我提交的,默认) / pending(待我审批) / executable(待执行) / all(管理者)
Query: page, limit, status(可选覆盖)
"""
try:
from app.services.scrap_approval_service import ScrapApprovalService
from app.utils.decorators import is_privileged_viewer
identity = int(get_jwt_identity())
scope = (request.args.get('scope') or 'mine').lower()
page = int(request.args.get('page', 1))
limit = int(request.args.get('limit', 10))
status = request.args.get('status')
status = int(status) if status not in (None, '', 'all') else None
priv = is_privileged_viewer()
kwargs = {'page': page, 'limit': limit, 'status': status}
if scope == 'pending':
kwargs['status'] = 0
kwargs['approver_id'] = identity
elif scope == 'executable':
kwargs['status'] = 1
elif scope == 'all':
if not priv:
kwargs['applicant_id'] = identity
else: # mine
kwargs['applicant_id'] = identity
data = ScrapApprovalService.get_list(**kwargs)
return jsonify({'code': 200, 'msg': '获取成功', 'data': data}), 200
except Exception as e:
traceback.print_exc()
return jsonify({'code': 500, 'msg': f'获取报废申请列表失败: {str(e)}'}), 500
@scrap_bp.route('/request/<int:request_id>', methods=['GET'])
@jwt_required()
@permission_required('scrap_approval')
def get_scrap_request_detail(request_id):
try:
from app.models.scrap_approval import ScrapApproval
from app.utils.decorators import is_privileged_viewer
req = db.session.get(ScrapApproval, request_id)
if not req:
return jsonify({'code': 404, 'msg': '报废申请不存在'}), 404
if not is_privileged_viewer() and int(req.applicant_id) != int(get_jwt_identity()):
# 被指定审批人也可查看
allowed = req.get_allowed_approvers() or []
if str(get_jwt_identity()) not in [str(a.get('value')) for a in allowed if a.get('type') == 'user']:
return jsonify({'code': 403, 'msg': '无权查看该报废申请'}), 403
return jsonify({'code': 200, 'msg': '获取成功', 'data': req.to_dict()}), 200
except Exception as e:
traceback.print_exc()
return jsonify({'code': 500, 'msg': f'获取报废申请详情失败: {str(e)}'}), 500
@scrap_bp.route('/request/<int:request_id>/approve', methods=['PATCH'])
@jwt_required()
@permission_required('scrap_approval')
def approve_scrap_request(request_id):
"""审批报废申请(仅被指定审批人)"""
try:
from app.services.scrap_approval_service import ScrapApprovalService
data = request.get_json() or {}
req = ScrapApprovalService.approve(
request_id, int(get_jwt_identity()),
data.get('action'), data.get('reject_reason', '')
)
return jsonify({'code': 200, 'msg': '操作成功', 'data': req.to_dict()}), 200
except ValueError as e:
return jsonify({'code': 400, 'msg': str(e)}), 400
except Exception as e:
traceback.print_exc()
return jsonify({'code': 500, 'msg': f'审批报废申请失败: {str(e)}'}), 500
@scrap_bp.route('/request/<int:request_id>/execute', methods=['POST'])
@jwt_required()
@permission_required('scrap_execute')
def execute_scrap_request(request_id):
"""
按单报废:有 scrap_execute 权限者执行,扣减实物库存并写报废流水。
Body: { "items": [{"source_table", "stock_id", "quantity", "name"/"sku"(可选)}, ...] }
实扫明细必须是该申请单批准明细的子集,且累计数量不得超过批准数量。
"""
try:
from app.services.scrap_approval_service import ScrapApprovalService
identity = int(get_jwt_identity())
u = SysUser.query.get(identity)
data = request.get_json(silent=True) or {}
req = ScrapApprovalService.execute(
request_id,
operator_name=(u.username if u else str(identity)),
scanned_items=data.get('items') or [],
)
return jsonify({'code': 200, 'msg': '已执行报废并扣减库存', 'data': req.to_dict()}), 200
except ValueError as e:
return jsonify({'code': 400, 'msg': str(e)}), 400
except Exception as e:
traceback.print_exc()
return jsonify({'code': 500, 'msg': f'执行报废失败: {str(e)}'}), 500