91 lines
4.6 KiB
Python
91 lines
4.6 KiB
Python
import base64
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from sqlalchemy.ext.asyncio import AsyncSession
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from exceptions.exception import ServiceException
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from module_admin.entity.vo.user_vo import CurrentUserModel
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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.dao.shipment_label_dao import ShipmentLabelDao
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from module_business.domain.enums import DocumentStatus
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from module_business.domain.test_batch_scope import TestBatchScope, assert_record_in_scope
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from module_business.entity.vo.shipment_label_vo import ShipmentLabelModel
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from module_business.service.pallet_service import PalletService
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from module_business.service.shipment_service import ShipmentService
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class ShipmentLabelService:
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"""复用发货双数据范围读取原始物料资料，不改变托盘、批号或库存。"""
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@staticmethod
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async def get_labels_services(
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query_db: AsyncSession,
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shipment_id: int,
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current_user: CurrentUserModel,
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test_scope: TestBatchScope,
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) -> list[ShipmentLabelModel]:
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warehouse_ids, site_ids = await ShipmentService._scopes(query_db, current_user)
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shipment = await OperationDao.get_shipment_by_id(
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query_db, shipment_id, test_scope, warehouse_ids=warehouse_ids, site_ids=site_ids,
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)
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if shipment is None:
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ShipmentService._raise_shipment_not_accessible(current_user)
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assert_record_in_scope(shipment, test_scope, '发货单')
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if shipment.status not in (DocumentStatus.DRAFT.value, DocumentStatus.CONFIRMED.value):
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raise ServiceException(message='当前发货单状态不支持打印标签')
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if not shipment.items:
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raise ServiceException(message='发货单没有可打印的托盘')
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for item in shipment.items:
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assert_record_in_scope(item, test_scope, '发货明细')
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# 先授权单据，再读取其目标现场与所属客户，避免通过标签枚举跨范围资料。
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site = await MasterDao.get_site(query_db, shipment.target_site_id, test_scope)
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assert_record_in_scope(site, test_scope, '发货现场')
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customer = await MasterDao.get_customer(query_db, site.customer_id, test_scope)
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assert_record_in_scope(customer, test_scope, '发货客户')
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rows = await ShipmentLabelDao.get_label_sources(query_db, shipment, test_scope)
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if (
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len(rows) != len(shipment.items)
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or {row[0].shipment_item_id for row in rows} != {item.shipment_item_id for item in shipment.items}
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):
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raise ServiceException(message='发货明细已变化，请刷新后重新打印')
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draft = shipment.status == DocumentStatus.DRAFT.value
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# 整单全部验证后才生成任何二维码，缺少关联资料时不得输出部分标签。
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for item, pallet, filling, quantity in rows:
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for record, name in ((item, '发货明细'), (pallet, '托盘'), (filling, '装填记录')):
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assert_record_in_scope(record, test_scope, name)
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if (
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item.shipment_id != shipment.shipment_id
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or item.pallet_id != pallet.pallet_id
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or filling.pallet_id != pallet.pallet_id
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or type(quantity) is not int
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or quantity <= 0
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or not pallet.qr_token
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):
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raise ServiceException(message='发货标签资料不完整，请核对托盘与装填记录')
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if draft:
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if pallet.asset_status != '0' or filling.active_slot != 'ACTIVE' or quantity > pallet.capacity_packages:
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raise ServiceException(message='草稿托盘已不满足发货条件，请刷新后重新打印')
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elif item.active_filling_id != filling.filling_id or quantity != item.package_qty:
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raise ServiceException(message='发货快照不完整，无法打印标签')
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return [
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ShipmentLabelModel(
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shipment_no=shipment.shipment_no,
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shipment_status=shipment.status,
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pallet_code=pallet.pallet_code,
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customer_name=customer.customer_name,
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site_name=site.site_name,
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strain_name=filling.strain_name_snapshot,
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batch_no=filling.batch_no,
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production_date=filling.production_date,
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expiry_date=filling.expiry_date,
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package_qty=quantity,
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qr_code_data_url='data:image/png;base64,' + base64.b64encode(
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PalletService.render_qr_png(pallet.qr_token),
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).decode('ascii'),
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)
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for item, pallet, filling, quantity in rows
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]
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