567 lines
23 KiB
Python
567 lines
23 KiB
Python
"""客户现场使用服务。"""
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import hashlib
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import json
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import secrets
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from datetime import datetime
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from typing import Any, NoReturn
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from sqlalchemy.exc import IntegrityError
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from sqlalchemy.ext.asyncio import AsyncSession
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from common.vo import CrudResponseModel, PageModel
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from exceptions.exception import PermissionException, ServiceException
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from module_admin.entity.vo.user_vo import CurrentUserModel
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from module_business.dao.access_dao import AccessDao
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from module_business.dao.inventory_dao import InventoryDao
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from module_business.dao.master_dao import MasterDao
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from module_business.dao.operation_dao import OperationDao
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from module_business.domain.enums import PalletEventType, PalletFlowState
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from module_business.domain.pallet_state_machine import PalletStateMachine
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from module_business.entity.do.operation_do import BizPalletEvent, BizUsageRecord
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from module_business.entity.vo.master_vo import LinePageQueryModel
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from module_business.entity.vo.operation_vo import (
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BusinessOptionModel,
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PalletScanResponseModel,
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UsageCreateModel,
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UsageModel,
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UsagePageQueryModel,
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UsageSuccessResponseModel,
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)
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from module_business.service.access_service import AccessService
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class UsageService:
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"""客户现场使用服务层。"""
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@staticmethod
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def _current_identity(current_user: CurrentUserModel) -> tuple[int, str]:
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user = current_user.user
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if user is None or user.user_id is None or user.user_id <= 0 or not user.user_name:
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raise ServiceException(message='当前用户信息无效')
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return user.user_id, user.user_name
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@staticmethod
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def _is_admin(current_user: CurrentUserModel) -> bool:
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return bool(current_user.user and current_user.user.admin)
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@classmethod
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async def _site_scope(
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cls,
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query_db: AsyncSession,
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current_user: CurrentUserModel,
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) -> list[int] | None:
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if cls._is_admin(current_user):
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return None
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user_id, _ = cls._current_identity(current_user)
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return sorted(set(await AccessDao.list_user_site_ids(query_db, user_id)))
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@classmethod
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def _raise_pallet_not_accessible(
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cls,
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current_user: CurrentUserModel,
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admin_message: str = '托盘不存在',
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) -> NoReturn:
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if cls._is_admin(current_user):
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raise ServiceException(message=admin_message)
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raise PermissionException(data='', message='无权访问该托盘')
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@classmethod
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async def _assert_pallet_site_access(
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cls,
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query_db: AsyncSession,
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current_user: CurrentUserModel,
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site_id: int,
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*,
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for_update: bool = False,
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) -> None:
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try:
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if for_update:
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await AccessService.assert_site_access(
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query_db,
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current_user,
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site_id,
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for_update=True,
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)
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else:
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await AccessService.assert_site_access(query_db, current_user, site_id)
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except PermissionException:
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if cls._is_admin(current_user):
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raise
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cls._raise_pallet_not_accessible(current_user)
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@classmethod
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def _raise_usage_not_accessible(cls, current_user: CurrentUserModel) -> NoReturn:
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if cls._is_admin(current_user):
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raise ServiceException(message='使用记录不存在')
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raise PermissionException(data='', message='无权访问该使用记录')
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@staticmethod
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def _record_value(record: Any, field: str) -> Any:
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if not isinstance(record, dict):
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return getattr(record, field)
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if field in record:
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return record[field]
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words = field.split('_')
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alias = words[0] + ''.join(word.capitalize() for word in words[1:])
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return record.get(alias)
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@staticmethod
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def _build_request_hash(page_object: UsageCreateModel) -> str:
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payload = json.dumps(
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{
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'qr_token': page_object.qr_token.strip(),
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'line_id': page_object.line_id,
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'used_packages': page_object.used_packages,
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},
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sort_keys=True,
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separators=(',', ':'),
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).encode()
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return hashlib.sha256(payload).hexdigest()
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@staticmethod
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def _is_exact_idempotent_result(
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usage: BizUsageRecord,
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page_object: UsageCreateModel,
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request_hash: str,
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) -> bool:
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return usage.idempotency_key == page_object.idempotency_key and usage.request_hash == request_hash
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@staticmethod
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def _success(usage: BizUsageRecord) -> CrudResponseModel:
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remaining_packages = usage.remaining_packages_after
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flow_state = (
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PalletFlowState.AT_SITE_EMPTY if remaining_packages == 0 else PalletFlowState.AT_SITE_PARTIAL
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)
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return CrudResponseModel(
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is_success=True,
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message='使用成功',
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result=UsageSuccessResponseModel(
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usage_id=usage.usage_id,
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remaining_packages=remaining_packages,
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flow_state=flow_state,
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),
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)
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@classmethod
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async def _lock_and_reauthorize_usage_site(
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cls,
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query_db: AsyncSession,
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site_id: int,
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current_user: CurrentUserModel,
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) -> None:
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site = await MasterDao.get_site(query_db, site_id, for_update=True)
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try:
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await AccessService.assert_site_access(
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query_db,
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current_user,
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site_id,
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for_update=True,
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)
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except PermissionException:
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if cls._is_admin(current_user):
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raise
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cls._raise_usage_not_accessible(current_user)
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if site is None:
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raise ServiceException(message='客户现场不存在')
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@classmethod
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async def _recover_integrity_error(
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cls,
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query_db: AsyncSession,
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page_object: UsageCreateModel,
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request_hash: str,
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current_user: CurrentUserModel,
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expected_site_id: int,
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) -> CrudResponseModel:
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try:
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site_ids = await cls._site_scope(query_db, current_user)
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if site_ids is not None and expected_site_id not in site_ids:
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cls._raise_pallet_not_accessible(current_user)
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recovered = await OperationDao.get_usage_by_idempotency_key(
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query_db,
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page_object.idempotency_key,
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site_ids=site_ids,
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)
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if recovered is None:
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raise ServiceException(message='使用失败，数据冲突')
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if recovered.site_id != expected_site_id or not cls._is_exact_idempotent_result(
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recovered, page_object, request_hash
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):
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raise ServiceException(message='使用失败，幂等键已被其他请求使用')
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await cls._lock_and_reauthorize_usage_site(
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query_db,
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recovered.site_id,
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current_user,
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)
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return cls._success(recovered)
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finally:
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await query_db.rollback()
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@classmethod
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async def get_usage_list_services(
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cls,
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query_db: AsyncSession,
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query_object: UsagePageQueryModel,
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current_user: CurrentUserModel,
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is_page: bool = True,
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) -> PageModel | list[UsageModel]:
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site_ids = await cls._site_scope(query_db, current_user)
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if site_ids is not None and query_object.site_id is not None and query_object.site_id not in site_ids:
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raise PermissionException(data='', message='无权访问该客户现场')
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if site_ids == []:
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if is_page:
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return PageModel(
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rows=[],
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pageNum=query_object.page_num,
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pageSize=query_object.page_size,
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total=0,
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hasNext=False,
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)
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return []
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result = await OperationDao.get_usage_list(
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query_db,
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query_object,
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is_page,
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site_ids=site_ids,
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)
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rows = result.rows if isinstance(result, PageModel) else result
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models = [UsageModel.model_validate(record) for record in rows]
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if isinstance(result, PageModel):
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return result.model_copy(update={'rows': models})
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return models
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@classmethod
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async def usage_detail_services(
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cls,
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query_db: AsyncSession,
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usage_id: int,
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current_user: CurrentUserModel,
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) -> UsageModel:
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site_ids = await cls._site_scope(query_db, current_user)
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usage = await OperationDao.get_usage_by_id(
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query_db,
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usage_id,
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site_ids=site_ids,
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)
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if usage is None:
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cls._raise_usage_not_accessible(current_user)
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return UsageModel.model_validate(usage)
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@classmethod
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async def get_line_options_services(
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cls,
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query_db: AsyncSession,
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site_id: int,
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current_user: CurrentUserModel,
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) -> list[BusinessOptionModel]:
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cls._current_identity(current_user)
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await AccessService.assert_site_access(query_db, current_user, site_id)
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site = await MasterDao.get_site(query_db, site_id)
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if site is None:
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raise ServiceException(message='客户现场不存在')
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if site.status != '0':
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raise ServiceException(message='客户现场已停用')
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lines = await MasterDao.list_line(
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query_db,
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LinePageQueryModel(siteId=site_id, status='0'),
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False,
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)
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options = [
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BusinessOptionModel(
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id=cls._record_value(line, 'line_id'),
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code=cls._record_value(line, 'line_code'),
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name=cls._record_value(line, 'line_name'),
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)
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for line in lines
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if cls._record_value(line, 'site_id') == site_id and cls._record_value(line, 'status') == '0'
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]
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return sorted(options, key=lambda option: option.id)
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@classmethod
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async def scan_usage_pallet_services(
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cls,
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query_db: AsyncSession,
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qr_token: str,
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current_user: CurrentUserModel,
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) -> PalletScanResponseModel:
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normalized_qr = qr_token.strip()
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pallet = await InventoryDao.get_pallet_by_qr_token(query_db, normalized_qr)
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if pallet is None:
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cls._raise_pallet_not_accessible(current_user)
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inventory = await MasterDao.get_pallet_inventory(query_db, pallet.pallet_id)
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if inventory is None:
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cls._raise_pallet_not_accessible(current_user, '托盘库存不存在')
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if inventory.site_id is None:
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cls._raise_pallet_not_accessible(current_user, '托盘不在客户现场')
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await cls._assert_pallet_site_access(query_db, current_user, inventory.site_id)
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if pallet.qr_token != normalized_qr or pallet.pallet_id != inventory.pallet_id:
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raise ServiceException(message='托盘二维码与库存不一致')
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if pallet.asset_status != '0':
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raise ServiceException(message='托盘资产已停用，不允许使用')
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if (
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inventory.flow_state
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not in {
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PalletFlowState.AT_SITE_UNUSED.value,
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PalletFlowState.AT_SITE_PARTIAL.value,
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}
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or inventory.warehouse_id is not None
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or inventory.active_filling_id is None
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or type(inventory.remaining_packages) is not int
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or inventory.remaining_packages <= 0
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or inventory.remaining_packages > pallet.capacity_packages
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):
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raise ServiceException(message='托盘当前状态不允许使用')
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filling = await OperationDao.get_filling_by_id(query_db, inventory.active_filling_id)
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if filling is None:
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raise ServiceException(message='托盘活动装填周期不存在')
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if (
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filling.filling_id != inventory.active_filling_id
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or filling.pallet_id != pallet.pallet_id
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or filling.active_slot != 'ACTIVE'
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or filling.closed_at is not None
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):
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raise ServiceException(message='托盘活动装填周期无效')
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return PalletScanResponseModel(
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pallet_id=pallet.pallet_id,
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pallet_code=pallet.pallet_code,
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flow_state=PalletFlowState(inventory.flow_state),
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warehouse_id=None,
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site_id=inventory.site_id,
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current_line_id=inventory.current_line_id,
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active_filling_id=inventory.active_filling_id,
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strain_id=filling.strain_id,
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strain_code=filling.strain_code_snapshot,
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strain_name=filling.strain_name_snapshot,
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batch_no=filling.batch_no,
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package_spec=filling.package_spec,
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capacity_packages=pallet.capacity_packages,
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remaining_packages=inventory.remaining_packages,
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allowed_actions=['usage'],
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)
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@classmethod
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async def record_usage_services( # noqa: PLR0912, PLR0915
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cls,
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query_db: AsyncSession,
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page_object: UsageCreateModel,
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current_user: CurrentUserModel,
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) -> CrudResponseModel:
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expected_site_id: int | None = None
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try:
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request_hash = cls._build_request_hash(page_object)
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user_id, user_name = cls._current_identity(current_user)
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preflight_site_ids = await cls._site_scope(query_db, current_user)
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existing = await OperationDao.get_usage_by_idempotency_key(
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query_db,
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page_object.idempotency_key,
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site_ids=preflight_site_ids,
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)
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if existing is not None:
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if not cls._is_exact_idempotent_result(existing, page_object, request_hash):
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raise ServiceException(message='使用失败，幂等键已被其他请求使用')
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if preflight_site_ids is not None and existing.site_id not in preflight_site_ids:
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cls._raise_usage_not_accessible(current_user)
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await cls._lock_and_reauthorize_usage_site(
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query_db,
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existing.site_id,
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current_user,
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)
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result = cls._success(existing)
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await query_db.rollback()
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return result
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scanned_pallet = await InventoryDao.get_pallet_by_qr_token(
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query_db,
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page_object.qr_token.strip(),
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)
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if scanned_pallet is None:
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cls._raise_pallet_not_accessible(current_user)
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scanned_pallet_id = int(scanned_pallet.pallet_id)
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await query_db.rollback()
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inventory = await InventoryDao.get_inventory_for_update(
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query_db,
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scanned_pallet_id,
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)
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if inventory is None:
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cls._raise_pallet_not_accessible(current_user, '托盘库存不存在')
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if inventory.site_id is None:
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cls._raise_pallet_not_accessible(current_user, '托盘不在客户现场')
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expected_site_id = inventory.site_id
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await cls._assert_pallet_site_access(query_db, current_user, inventory.site_id)
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locked_site_ids = await cls._site_scope(query_db, current_user)
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locked_pallets = await InventoryDao.get_pallets_by_ids(
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query_db,
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[inventory.pallet_id],
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)
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if len(locked_pallets) != 1 or locked_pallets[0].pallet_id != inventory.pallet_id:
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cls._raise_pallet_not_accessible(current_user)
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pallet = locked_pallets[0]
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filling = (
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await OperationDao.get_active_filling_for_update(
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query_db,
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inventory.active_filling_id,
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)
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if inventory.active_filling_id is not None
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else None
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)
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locked_existing = await OperationDao.get_usage_by_idempotency_key(
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query_db,
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page_object.idempotency_key,
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site_ids=locked_site_ids,
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)
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if locked_existing is not None:
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if locked_existing.site_id != inventory.site_id or not cls._is_exact_idempotent_result(
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locked_existing,
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page_object,
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request_hash,
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):
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raise ServiceException(message='使用失败，幂等键已被其他请求使用')
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await cls._lock_and_reauthorize_usage_site(
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query_db,
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locked_existing.site_id,
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current_user,
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)
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result = cls._success(locked_existing)
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await query_db.rollback()
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return result
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if inventory.active_filling_id is None:
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raise ServiceException(message='托盘不存在活动装填周期')
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if filling is None:
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raise ServiceException(message='托盘活动装填周期不存在或已关闭')
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site = await MasterDao.get_site(query_db, inventory.site_id, for_update=True)
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await cls._assert_pallet_site_access(
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query_db,
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current_user,
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inventory.site_id,
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for_update=True,
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)
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if site is None:
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raise ServiceException(message='客户现场不存在')
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if site.status != '0':
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raise ServiceException(message='客户现场已停用')
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line = await MasterDao.get_line(query_db, page_object.line_id, for_update=True)
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if line is None:
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raise ServiceException(message='产线不存在')
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if line.status != '0':
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raise ServiceException(message='产线已停用')
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if line.site_id != inventory.site_id:
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raise ServiceException(message='产线不属于托盘当前客户现场')
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if pallet.pallet_id != inventory.pallet_id or pallet.qr_token != page_object.qr_token.strip():
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raise ServiceException(message='托盘二维码与库存不一致')
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if pallet.asset_status != '0':
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raise ServiceException(message='托盘资产已停用，不允许使用')
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if inventory.flow_state not in {
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PalletFlowState.AT_SITE_UNUSED.value,
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PalletFlowState.AT_SITE_PARTIAL.value,
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}:
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raise ServiceException(message='托盘当前状态不允许使用')
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if inventory.warehouse_id is not None:
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raise ServiceException(message='托盘当前位置无效')
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if type(inventory.remaining_packages) is not int or inventory.remaining_packages <= 0:
|
|
raise ServiceException(message='托盘当前余量无效')
|
|
if inventory.remaining_packages > pallet.capacity_packages:
|
|
raise ServiceException(message='托盘当前余量超过容量')
|
|
if type(inventory.version) is not int or inventory.version < 0:
|
|
raise ServiceException(message='托盘库存版本无效')
|
|
if (
|
|
filling.filling_id != inventory.active_filling_id
|
|
or filling.pallet_id != pallet.pallet_id
|
|
or filling.active_slot != 'ACTIVE'
|
|
or filling.closed_at is not None
|
|
):
|
|
raise ServiceException(message='托盘活动装填周期无效')
|
|
if inventory.current_line_id is not None and inventory.current_line_id != line.line_id:
|
|
raise ServiceException(message='托盘本次驻场周期已绑定其他产线')
|
|
if type(page_object.used_packages) is not int or page_object.used_packages <= 0:
|
|
raise ServiceException(message='使用包数必须为正整数')
|
|
if page_object.used_packages > inventory.remaining_packages:
|
|
raise ServiceException(message='使用包数不能超过当前余量')
|
|
|
|
remaining_after = inventory.remaining_packages - page_object.used_packages
|
|
target_state = PalletFlowState.AT_SITE_EMPTY if remaining_after == 0 else PalletFlowState.AT_SITE_PARTIAL
|
|
PalletStateMachine.ensure_transition(
|
|
PalletFlowState(inventory.flow_state),
|
|
target_state,
|
|
)
|
|
|
|
current_time = datetime.now()
|
|
usage = BizUsageRecord(
|
|
usage_no=f'US-{secrets.token_hex(16)}',
|
|
pallet_id=pallet.pallet_id,
|
|
active_filling_id=filling.filling_id,
|
|
site_id=inventory.site_id,
|
|
line_id=line.line_id,
|
|
used_packages=page_object.used_packages,
|
|
remaining_packages_after=remaining_after,
|
|
idempotency_key=page_object.idempotency_key,
|
|
request_hash=request_hash,
|
|
operator_id=user_id,
|
|
occurred_at=current_time,
|
|
)
|
|
usage = await OperationDao.add_usage_record(query_db, usage)
|
|
usage_id = usage.usage_id
|
|
result = cls._success(usage)
|
|
|
|
before_state = inventory.flow_state
|
|
before_warehouse_id = inventory.warehouse_id
|
|
before_site_id = inventory.site_id
|
|
before_line_id = inventory.current_line_id
|
|
before_remaining_packages = inventory.remaining_packages
|
|
inventory.current_line_id = line.line_id
|
|
inventory.remaining_packages = remaining_after
|
|
inventory.flow_state = target_state.value
|
|
if target_state is PalletFlowState.AT_SITE_EMPTY:
|
|
filling.active_slot = None
|
|
filling.closed_at = current_time
|
|
filling.update_by = user_name
|
|
filling.update_time = current_time
|
|
await OperationDao.update_filling_record(query_db, filling)
|
|
inventory.active_filling_id = None
|
|
inventory.version += 1
|
|
inventory.updated_at = current_time
|
|
event = BizPalletEvent(
|
|
pallet_id=inventory.pallet_id,
|
|
event_type=PalletEventType.USAGE_RECORDED.value,
|
|
source_type='USAGE',
|
|
source_id=usage_id,
|
|
before_state=before_state,
|
|
after_state=target_state.value,
|
|
before_warehouse_id=before_warehouse_id,
|
|
before_site_id=before_site_id,
|
|
before_line_id=before_line_id,
|
|
after_warehouse_id=inventory.warehouse_id,
|
|
after_site_id=inventory.site_id,
|
|
after_line_id=inventory.current_line_id,
|
|
before_remaining_packages=before_remaining_packages,
|
|
after_remaining_packages=remaining_after,
|
|
operator_id=user_id,
|
|
occurred_at=current_time,
|
|
idempotency_key=page_object.idempotency_key,
|
|
request_hash=request_hash,
|
|
)
|
|
await InventoryDao.add_event(query_db, inventory, event)
|
|
await query_db.commit()
|
|
return result
|
|
except IntegrityError:
|
|
await query_db.rollback()
|
|
if expected_site_id is None:
|
|
raise ServiceException(message='使用失败，数据冲突') from None
|
|
return await cls._recover_integrity_error(
|
|
query_db,
|
|
page_object,
|
|
request_hash,
|
|
current_user,
|
|
expected_site_id,
|
|
)
|
|
except Exception:
|
|
await query_db.rollback()
|
|
raise
|