347f20497c
## decorators.py
- 新增 @prevent_double_submit(lock_timeout=5) 装饰器
Redis key: idem:{user_id}:{path}:{MD5(body)}
锁存在→409, 不存在→setex→执行业务→delete
Redis不可用时fail-open降级放行
## purchase.py
- POST /purchase (创建): +@prevent_double_submit
- PATCH /purchase/<id>/approve (审批): +@prevent_double_submit
## outbound.py
- POST /outbound (出库): +@prevent_double_submit
## transactions.py
- POST /borrow/dispatch (借库扣减): +@prevent_double_submit
274 lines
10 KiB
Python
274 lines
10 KiB
Python
import traceback
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from flask import Blueprint, request, jsonify, current_app
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from flask_jwt_extended import jwt_required, get_jwt, get_jwt_identity
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from app.services.purchase_service import PurchaseService
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from app.utils.decorators import permission_required, prevent_double_submit
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purchase_bp = Blueprint('purchase', __name__, url_prefix='/api/v1/purchase')
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def get_current_user_id():
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"""获取当前登录用户ID"""
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identity = get_jwt_identity()
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return identity
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def get_current_user_role():
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"""获取当前用户角色"""
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claims = get_jwt()
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return claims.get('role')
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def _user_has_purchase_perm():
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"""检查当前用户是否有 inbound_purchase 权限（菜单或任意操作权限）"""
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claims = get_jwt()
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role = claims.get('role', '')
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user_company = claims.get('company_name', '')
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if role.upper() in ('SUPER_ADMIN', 'SUPERVISOR'):
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return True
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from app.services.auth_service import AuthService
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perm_dict = AuthService.get_user_permissions(role, company_name=user_company)
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all_perms = perm_dict.get('menus', []) + perm_dict.get('elements', [])
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return 'inbound_purchase' in all_perms or any(
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p.startswith('inbound_purchase:') for p in all_perms
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)
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# --------------------------------------------------------
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# 1. 采购申请列表
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# GET /api/v1/purchase
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# --------------------------------------------------------
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@purchase_bp.route('', methods=['GET'])
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@jwt_required()
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def get_purchase_list():
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"""采购申请列表：有权限看同公司全部，无权限只看自己的"""
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try:
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page = int(request.args.get('page', 1))
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per_page = int(request.args.get('limit', 20))
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status = request.args.get('status')
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status = int(status) if status is not None else None
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user_id = get_current_user_id()
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can_view_all = _user_has_purchase_perm()
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result = PurchaseService.get_purchase_list(
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page=page,
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per_page=per_page,
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requester_id=None if can_view_all else user_id,
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status=status
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)
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return jsonify({'code': 200, 'msg': '获取成功', 'data': result})
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except Exception as e:
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traceback.print_exc()
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return jsonify({'code': 500, 'msg': f'获取失败: {str(e)}'}), 500
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# --------------------------------------------------------
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# 2. 创建采购申请
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# POST /api/v1/purchase
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# --------------------------------------------------------
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@purchase_bp.route('', methods=['POST'])
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@jwt_required()
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@prevent_double_submit(lock_timeout=5)
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def create_purchase_request():
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"""创建采购申请（任何登录用户可提交）"""
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try:
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data = request.get_json()
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if not data:
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return jsonify({'code': 400, 'msg': '无有效数据'}), 400
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user_id = get_current_user_id()
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# 必填校验
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required = ['name', 'quantity', 'purchase_date', 'approver_id']
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for field in required:
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if field not in data or str(data.get(field, '')).strip() == '':
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return jsonify({'code': 400, 'msg': f'缺少必填字段: {field}'}), 400
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# 图片必填强校验
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images = data.get('images')
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if not images or (isinstance(images, list) and len(images) == 0):
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return jsonify({'code': 400, 'msg': '请上传采购凭证/物品图片'}), 400
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purchase = PurchaseService.create_purchase_request(data, requester_id=user_id)
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# ★ Fail-Closed: 创建响应剥离价格字段
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resp = purchase.to_dict()
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for k in ('unit_price', 'total_price', 'tax_rate'):
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resp.pop(k, None)
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return jsonify({
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'code': 200,
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'msg': '创建成功',
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'data': resp
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}), 200
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except ValueError as e:
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return jsonify({'code': 400, 'msg': str(e)}), 400
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except Exception as e:
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traceback.print_exc()
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return jsonify({'code': 500, 'msg': f'服务器内部错误: {str(e)}'}), 500
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# --------------------------------------------------------
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# 3. 获取采购申请详情
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# GET /api/v1/purchase/<id>
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# --------------------------------------------------------
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@purchase_bp.route('/<int:purchase_id>', methods=['GET'])
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@jwt_required()
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def get_purchase_detail(purchase_id):
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"""采购申请详情：自己的无需权限，别人的需要 inbound_purchase"""
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try:
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purchase = PurchaseService.get_purchase_by_id(purchase_id)
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if not purchase:
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return jsonify({'code': 404, 'msg': '采购申请不存在'}), 404
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user_id = get_current_user_id()
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if purchase['requester_id'] != user_id and not _user_has_purchase_perm():
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return jsonify({'code': 403, 'msg': '无权查看此申请'}), 403
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return jsonify({'code': 200, 'msg': '获取成功', 'data': purchase}), 200
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except Exception as e:
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return jsonify({'code': 500, 'msg': str(e)}), 500
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# --------------------------------------------------------
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# 4. 审批采购申请
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# PATCH /api/v1/purchase/<id>/approve
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# --------------------------------------------------------
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@purchase_bp.route('/<int:purchase_id>/approve', methods=['PATCH'])
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@jwt_required()
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@prevent_double_submit(lock_timeout=5)
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@permission_required('inbound_purchase:operation')
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def approve_purchase_request(purchase_id):
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"""审批采购申请：必须有操作权限（inbound_purchase:operation）"""
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try:
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user_id = get_current_user_id()
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data = request.get_json() or {}
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action = data.get('action', 'approve')
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reject_reason = data.get('reject_reason')
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if action not in ('approve', 'reject'):
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return jsonify({'code': 400, 'msg': '无效的审批操作'}), 400
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if action == 'reject' and not reject_reason:
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return jsonify({'code': 400, 'msg': '驳回时必须提供原因'}), 400
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purchase = PurchaseService.approve_purchase_request(
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purchase_id=purchase_id,
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user_id=user_id,
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action=action,
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reject_reason=reject_reason
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)
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msg = '审批通过' if action == 'approve' else '已驳回'
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# ★ Fail-Closed: 审批响应剥离价格字段
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resp = purchase.to_dict()
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for k in ('unit_price', 'total_price', 'tax_rate'):
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resp.pop(k, None)
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return jsonify({'code': 200, 'msg': msg, 'data': resp}), 200
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except ValueError as e:
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return jsonify({'code': 400, 'msg': str(e)}), 400
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except Exception as e:
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traceback.print_exc()
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return jsonify({'code': 500, 'msg': f'服务器内部错误: {str(e)}'}), 500
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# --------------------------------------------------------
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# 5. 获取可选审批人列表
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# GET /api/v1/purchase/approvers
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# --------------------------------------------------------
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@purchase_bp.route('/approvers', methods=['GET'])
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@jwt_required()
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def get_purchase_approvers():
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"""获取可选审批人列表（创建采购申请时选择审批人用）"""
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try:
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from app.models.system import SysUser
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users = SysUser.query.filter(
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SysUser.role.in_(['SUPER_ADMIN', 'SUPERVISOR']),
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SysUser.status == 'active'
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).all()
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return jsonify({
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'code': 200,
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'msg': '获取成功',
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'data': [
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{'id': u.id, 'username': u.username, 'email': u.email or '', 'role': u.role}
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for u in users
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]
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}), 200
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except Exception as e:
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return jsonify({'code': 500, 'msg': str(e)}), 500
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# --------------------------------------------------------
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# 6. 根据名称/规格自动补全
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# GET /api/v1/purchase/auto-fill?keyword=xxx
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# --------------------------------------------------------
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@purchase_bp.route('/auto-fill', methods=['GET'])
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@jwt_required()
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def auto_fill_purchase():
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"""根据名称或规格自动补全另一个字段"""
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try:
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keyword = request.args.get('keyword', '').strip()
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if not keyword:
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return jsonify({'code': 200, 'msg': 'ok', 'data': None}), 200
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result = PurchaseService.auto_fill_from_material(keyword)
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return jsonify({'code': 200, 'msg': 'ok', 'data': result}), 200
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except Exception as e:
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return jsonify({'code': 500, 'msg': str(e)}), 500
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# --------------------------------------------------------
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# 7. 已审批且未入库的采购单列表（供库管按单入库使用）
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# GET /api/v1/purchase/approved-unstocked?page=1&keyword=xxx
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# --------------------------------------------------------
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@purchase_bp.route('/approved-unstocked', methods=['GET'])
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@jwt_required()
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@permission_required('inbound_purchase')
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def get_approved_unstocked_requests():
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"""获取已审批通过且未入库的采购申请列表"""
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try:
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page = int(request.args.get('page', 1))
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per_page = int(request.args.get('limit', 20))
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keyword = request.args.get('keyword', '').strip() or None
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result = PurchaseService.get_approved_requests(
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page=page, per_page=per_page, keyword=keyword
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)
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return jsonify({'code': 200, 'msg': '获取成功', 'data': result}), 200
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except Exception as e:
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traceback.print_exc()
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return jsonify({'code': 500, 'msg': f'获取失败: {str(e)}'}), 500
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# --------------------------------------------------------
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# 8. 物料基础信息搜索（分页）
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# GET /api/v1/purchase/search-material?keyword=xxx&page=1
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# --------------------------------------------------------
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@purchase_bp.route('/search-material', methods=['GET'])
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@jwt_required()
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def search_material_for_purchase():
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"""物料基础信息搜索接口，支持分页，用于采购申请弹窗"""
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try:
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keyword = request.args.get('keyword', '')
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page = request.args.get('page', 1, type=int)
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limit = 20
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result = PurchaseService.search_base_material(keyword, page, limit)
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return jsonify({
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'code': 200,
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'msg': 'success',
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'data': result['items'],
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'total': result['total'],
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'has_next': result['has_next']
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}), 200
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except Exception as e:
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traceback.print_exc()
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return jsonify({'code': 500, 'msg': str(e)}), 500
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