Fix API compatibility and add user/role/permission and asset import/export
This commit is contained in:
409
backend_new/app/services/recovery_service.py
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409
backend_new/app/services/recovery_service.py
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"""
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资产回收业务服务层
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"""
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from typing import List, Optional, Dict, Any
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from sqlalchemy.orm import Session, selectinload
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from app.crud.recovery import recovery_order, recovery_item
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from app.crud.asset import asset
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from app.schemas.recovery import (
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AssetRecoveryOrderCreate,
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AssetRecoveryOrderUpdate
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)
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from app.core.exceptions import NotFoundException, BusinessException
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class RecoveryService:
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"""资产回收服务类"""
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async def get_order(
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self,
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db: Session,
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order_id: int
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) -> Dict[str, Any]:
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"""获取回收单详情"""
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# 使用selectinload预加载关联数据，避免N+1查询
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from app.models.recovery import AssetRecoveryOrder
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from app.models.user import User
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from app.models.recovery import AssetRecoveryItem
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obj = db.query(
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AssetRecoveryOrder
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).options(
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selectinload(AssetRecoveryOrder.items),
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selectinload(AssetRecoveryOrder.applicant.of_type(User)),
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selectinload(AssetRecoveryOrder.approver.of_type(User)),
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selectinload(AssetRecoveryOrder.executor.of_type(User))
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).filter(
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AssetRecoveryOrder.id == order_id
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).first()
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if not obj:
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raise NotFoundException("回收单")
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# 加载关联信息
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return self._load_order_relations(db, obj)
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def get_orders(
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self,
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db: Session,
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skip: int = 0,
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limit: int = 20,
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recovery_type: Optional[str] = None,
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approval_status: Optional[str] = None,
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execute_status: Optional[str] = None,
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keyword: Optional[str] = None
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) -> tuple:
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"""获取回收单列表"""
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items, total = recovery_order.get_multi(
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db=db,
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skip=skip,
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limit=limit,
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recovery_type=recovery_type,
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approval_status=approval_status,
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execute_status=execute_status,
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keyword=keyword
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)
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# 加载关联信息
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items_with_relations = [self._load_order_relations(db, item) for item in items]
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return items_with_relations, total
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async def create_order(
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self,
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db: Session,
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obj_in: AssetRecoveryOrderCreate,
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apply_user_id: int
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):
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"""创建回收单"""
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# 验证资产存在性和状态
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assets = []
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for asset_id in obj_in.asset_ids:
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asset_obj = asset.get(db, asset_id)
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if not asset_obj:
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raise NotFoundException(f"资产ID {asset_id}")
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assets.append(asset_obj)
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# 验证资产状态是否允许回收
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for asset_obj in assets:
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if not self._can_recover(asset_obj.status, obj_in.recovery_type):
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raise BusinessException(
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f"资产 {asset_obj.asset_code} 当前状态为 {asset_obj.status}，不允许{self._get_recovery_type_name(obj_in.recovery_type)}操作"
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)
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# 生成回收单号
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order_code = await self._generate_order_code(db)
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# 创建回收单
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db_obj = recovery_order.create(
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db=db,
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obj_in=obj_in,
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order_code=order_code,
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apply_user_id=apply_user_id
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)
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return self._load_order_relations(db, db_obj)
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def update_order(
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self,
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db: Session,
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order_id: int,
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obj_in: AssetRecoveryOrderUpdate
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):
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"""更新回收单"""
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db_obj = recovery_order.get(db, order_id)
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if not db_obj:
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raise NotFoundException("回收单")
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# 只有待审批状态可以更新
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if db_obj.approval_status != "pending":
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raise BusinessException("只有待审批状态的回收单可以更新")
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return recovery_order.update(db, db_obj, obj_in)
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def approve_order(
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self,
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db: Session,
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order_id: int,
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approval_status: str,
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approval_user_id: int,
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approval_remark: Optional[str] = None
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):
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"""审批回收单"""
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db_obj = recovery_order.get(db, order_id)
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if not db_obj:
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raise NotFoundException("回收单")
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# 检查状态
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if db_obj.approval_status != "pending":
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raise BusinessException("该回收单已审批，无法重复审批")
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# 审批
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db_obj = recovery_order.approve(
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db=db,
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db_obj=db_obj,
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approval_status=approval_status,
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approval_user_id=approval_user_id,
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approval_remark=approval_remark
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)
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return self._load_order_relations(db, db_obj)
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def start_order(
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self,
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db: Session,
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order_id: int,
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execute_user_id: int
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):
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"""开始回收"""
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db_obj = recovery_order.get(db, order_id)
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if not db_obj:
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raise NotFoundException("回收单")
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# 检查状态
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if db_obj.approval_status != "approved":
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raise BusinessException("该回收单未审批通过，无法开始执行")
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if db_obj.execute_status != "pending":
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raise BusinessException("该回收单已开始或已完成")
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# 开始回收
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db_obj = recovery_order.start(db, db_obj, execute_user_id)
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# 更新明细状态为回收中
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recovery_item.batch_update_recovery_status(db, order_id, "recovering")
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return self._load_order_relations(db, db_obj)
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async def complete_order(
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self,
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db: Session,
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order_id: int,
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execute_user_id: int
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):
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"""完成回收"""
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db_obj = recovery_order.get(db, order_id)
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if not db_obj:
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raise NotFoundException("回收单")
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# 检查状态
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if db_obj.execute_status not in ["pending", "executing"]:
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raise BusinessException("该回收单状态不允许完成操作")
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# 完成回收单
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db_obj = recovery_order.complete(db, db_obj, execute_user_id)
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# 更新资产状态
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await self._execute_recovery_logic(db, db_obj)
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# 更新明细状态为完成
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recovery_item.batch_update_recovery_status(db, order_id, "completed")
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return self._load_order_relations(db, db_obj)
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def cancel_order(
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self,
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db: Session,
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order_id: int
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) -> bool:
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"""取消回收单"""
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db_obj = recovery_order.get(db, order_id)
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if not db_obj:
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raise NotFoundException("回收单")
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# 检查状态
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if db_obj.execute_status == "completed":
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raise BusinessException("已完成的回收单无法取消")
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recovery_order.cancel(db, db_obj)
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return True
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def delete_order(
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self,
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db: Session,
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order_id: int
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) -> bool:
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"""删除回收单"""
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db_obj = recovery_order.get(db, order_id)
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if not db_obj:
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raise NotFoundException("回收单")
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# 只有已取消或已拒绝的可以删除
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if db_obj.approval_status not in ["rejected", "cancelled"]:
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raise BusinessException("只能删除已拒绝或已取消的回收单")
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return recovery_order.delete(db, order_id)
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def get_order_items(
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self,
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db: Session,
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order_id: int
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) -> List:
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"""获取回收单明细"""
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# 验证回收单存在
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if not recovery_order.get(db, order_id):
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raise NotFoundException("回收单")
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return recovery_item.get_by_order(db, order_id)
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def get_statistics(
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self,
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db: Session
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) -> Dict[str, int]:
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"""获取回收单统计信息"""
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return recovery_order.get_statistics(db)
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async def _execute_recovery_logic(
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self,
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db: Session,
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order_obj
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):
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"""执行回收逻辑（完成回收时自动执行）"""
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# 获取明细
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items = recovery_item.get_by_order(db, order_obj.id)
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# 更新资产状态
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from app.services.asset_service import asset_service
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from app.schemas.asset import AssetStatusTransition
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for item in items:
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try:
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# 根据回收类型确定目标状态
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if order_obj.recovery_type == "scrap":
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target_status = "scrapped"
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remark = f"报废回收: {order_obj.order_code}"
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else:
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target_status = "in_stock"
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remark = f"资产回收: {order_obj.order_code}"
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# 变更资产状态
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await asset_service.change_asset_status(
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db=db,
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asset_id=item.asset_id,
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status_transition=AssetStatusTransition(
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new_status=target_status,
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remark=remark
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),
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operator_id=order_obj.execute_user_id
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)
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except Exception as e:
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# 记录失败日志
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print(f"回收资产 {item.asset_code} 失败: {str(e)}")
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raise
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def _load_order_relations(
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self,
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db: Session,
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obj
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) -> Dict[str, Any]:
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"""加载回收单关联信息"""
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from app.models.user import User
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result = {
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"id": obj.id,
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"order_code": obj.order_code,
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"recovery_type": obj.recovery_type,
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"title": obj.title,
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"asset_count": obj.asset_count,
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"apply_user_id": obj.apply_user_id,
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"apply_time": obj.apply_time,
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"approval_status": obj.approval_status,
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"approval_user_id": obj.approval_user_id,
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"approval_time": obj.approval_time,
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"approval_remark": obj.approval_remark,
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"execute_status": obj.execute_status,
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"execute_user_id": obj.execute_user_id,
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"execute_time": obj.execute_time,
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"remark": obj.remark,
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"created_at": obj.created_at,
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"updated_at": obj.updated_at
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}
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# 加载申请人
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if obj.apply_user_id:
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apply_user = db.query(User).filter(User.id == obj.apply_user_id).first()
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if apply_user:
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result["apply_user"] = {
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"id": apply_user.id,
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"real_name": apply_user.real_name,
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"username": apply_user.username
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}
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# 加载审批人
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if obj.approval_user_id:
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approval_user = db.query(User).filter(User.id == obj.approval_user_id).first()
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if approval_user:
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result["approval_user"] = {
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"id": approval_user.id,
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"real_name": approval_user.real_name,
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"username": approval_user.username
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}
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# 加载执行人
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if obj.execute_user_id:
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execute_user = db.query(User).filter(User.id == obj.execute_user_id).first()
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if execute_user:
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result["execute_user"] = {
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"id": execute_user.id,
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"real_name": execute_user.real_name,
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"username": execute_user.username
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}
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# 加载明细
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items = recovery_item.get_by_order(db, obj.id)
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result["items"] = [
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{
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"id": item.id,
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"asset_id": item.asset_id,
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"asset_code": item.asset_code,
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"recovery_status": item.recovery_status
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}
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for item in items
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]
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return result
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def _can_recover(self, asset_status: str, recovery_type: str) -> bool:
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"""判断资产是否可以回收"""
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# 使用中的资产可以回收
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if recovery_type in ["user", "org"]:
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return asset_status == "in_use"
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# 报废回收可以使用中或维修中的资产
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elif recovery_type == "scrap":
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return asset_status in ["in_use", "maintenance", "in_stock"]
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return False
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def _get_recovery_type_name(self, recovery_type: str) -> str:
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"""获取回收类型中文名"""
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type_names = {
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"user": "使用人回收",
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"org": "机构回收",
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"scrap": "报废回收"
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}
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return type_names.get(recovery_type, "回收")
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async def _generate_order_code(self, db: Session) -> str:
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"""生成回收单号"""
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from datetime import datetime
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import random
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import string
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# 日期部分
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date_str = datetime.now().strftime("%Y%m%d")
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# 序号部分（5位随机数）
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sequence = "".join(random.choices(string.digits, k=5))
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# 组合单号: RO-20250124-00001
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order_code = f"RO-{date_str}-{sequence}"
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# 检查是否重复，如果重复则重新生成
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while recovery_order.get_by_code(db, order_code):
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sequence = "".join(random.choices(string.digits, k=5))
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order_code = f"RO-{date_str}-{sequence}"
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return order_code
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# 创建全局实例
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recovery_service = RecoveryService()
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