forked from erp-dev/erp
612 lines
15 KiB
Python
612 lines
15 KiB
Python
from __future__ import annotations
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from typing import TYPE_CHECKING
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from django.db import models
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from django.contrib.auth import get_user_model
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from flower.common import ModelBase
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from basic_info import models as basic_models
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if TYPE_CHECKING:
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from printing.models import PrintingJob
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User = get_user_model()
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class UnitChoices(models.IntegerChoices):
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"""销售品单位"""
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METER = 1, '米'
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PIECE = 2, '件'
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YARD = 3, '码'
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UNIT = 4, '个'
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class ShipmentStatus(models.IntegerChoices):
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"""出货单状态"""
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DRAFT = 1, '草稿(未发布)'
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PUBLISHED = 2, '已发布'
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CANCELLED = 3, '已取消'
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REJECTED = 4, '已驳回'
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APPROVED = 5, '已审核'
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class ShipmentDeliveryStatus(models.IntegerChoices):
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"""送货单状态"""
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PENDING = 1, '待送货'
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IN_TRANSIT = 2, '送货中'
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DELIVERED = 3, '已送达'
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CANCELLED = 4, '已取消'
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class ExternalFinishedProduct(ModelBase):
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"""
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外部成品表
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用于兼容外部遗留系统的数据映射（可被多个出货单引用）。
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"""
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style_name = models.CharField(
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max_length=200,
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verbose_name='款式名称',
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)
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num_of_rolls = models.PositiveIntegerField(
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verbose_name='卷数',
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)
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remark = models.CharField(
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max_length=200,
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null=True,
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blank=True,
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verbose_name='备注',
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)
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created_by = models.ForeignKey(
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User,
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on_delete=models.SET_NULL,
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null=True,
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related_name='created_external_finished_products',
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verbose_name='创建人',
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)
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shipment = models.ForeignKey(
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'Shipment',
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on_delete=models.CASCADE,
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null=True,
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blank=True,
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related_name='external_finished_products',
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verbose_name='出货单',
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help_text='关联的出货单（可空，兼容历史数据/逐步迁移）',
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)
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class Meta:
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db_table = 'external_finished_product'
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verbose_name = '外部成品表'
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verbose_name_plural = '外部成品表'
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ordering = ['-created_at']
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def __str__(self) -> str:
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return f'{self.style_name} ({self.num_of_rolls}卷)'
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class Shipment(ModelBase):
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"""
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出货单
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记录一次出货操作，包含多个销售品。
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"""
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status = models.IntegerField(
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choices=ShipmentStatus.choices,
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default=ShipmentStatus.DRAFT,
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verbose_name='状态',
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)
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status_modified_at = models.DateTimeField(
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null=True,
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blank=True,
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verbose_name='状态修改时间',
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)
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cancelled_by = models.ForeignKey(
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User,
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on_delete=models.SET_NULL,
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null=True,
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blank=True,
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related_name='cancelled_shipments',
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verbose_name='取消人',
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)
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approved_by = models.ForeignKey(
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User,
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on_delete=models.SET_NULL,
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null=True,
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blank=True,
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related_name='approved_shipments',
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verbose_name='审核人',
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)
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delivery = models.ForeignKey(
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'ShipmentDelivery',
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on_delete=models.SET_NULL,
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null=True,
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blank=True,
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related_name='shipments',
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verbose_name='送货单',
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)
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external_id = models.CharField(
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max_length=120,
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null=True,
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blank=True,
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verbose_name='外部订单号',
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help_text='用于兼容外部遗留系统的订单号（可空）',
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)
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merchant = models.ForeignKey(
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basic_models.Merchant,
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on_delete=models.PROTECT,
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related_name='shipments',
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verbose_name='所属商户',
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)
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customer = models.ForeignKey(
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basic_models.Customer,
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on_delete=models.PROTECT,
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related_name='shipments',
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verbose_name='客户'
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)
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shipment_date = models.DateField(
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verbose_name='出货日期',
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help_text='实际出货日期'
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)
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address = models.CharField(
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max_length=255,
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blank=True,
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default='',
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verbose_name='地址',
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)
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contact_name = models.CharField(
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max_length=100,
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blank=True,
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default='',
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verbose_name='联系人',
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)
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contact_phone = models.CharField(
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max_length=50,
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blank=True,
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default='',
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verbose_name='联系电话',
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)
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area = models.CharField(
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max_length=30,
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blank=True,
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default='',
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verbose_name='地区',
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help_text='出货地区（可空字符串）',
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)
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remark = models.TextField(
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blank=True,
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default='',
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verbose_name='备注'
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)
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created_by = models.ForeignKey(
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User,
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on_delete=models.SET_NULL,
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null=True,
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related_name='created_shipments',
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verbose_name='创建人'
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)
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geo_coordinates = models.JSONField(
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null=True,
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blank=True,
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verbose_name='地理坐标',
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help_text='由 Geo 系统返回的坐标信息，结构由调用方决定，后端不作校验',
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)
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class Meta:
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db_table = 'shipment'
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verbose_name = '出货单'
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verbose_name_plural = '出货单'
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ordering = ['-created_at']
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def __str__(self):
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return f'出货单 #{self.id} - {self.customer.name}'
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def cancel(self, operator: User | None) -> None:
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"""
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取消出货单（委托给 service 处理状态机与时间记录）
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Args:
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operator: 操作者（通常为 request.user，可为空）
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"""
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from shipment.services import modify_status
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modify_status(
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self,
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target_status=ShipmentStatus.CANCELLED,
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operator=operator,
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)
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class SalesItem(ModelBase):
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"""
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销售品
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出货单中的具体商品明细。
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销售品可以先创建（待分配状态），后续再关联到出货单。
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"""
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shipment = models.ForeignKey(
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Shipment,
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on_delete=models.CASCADE,
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null=True,
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blank=True,
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related_name='items',
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verbose_name='出货单',
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help_text='为空表示待分配'
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)
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merchant = models.ForeignKey(
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basic_models.Merchant,
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on_delete=models.PROTECT,
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related_name='sales_items',
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verbose_name='所属商户',
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)
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name = models.CharField(
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max_length=200,
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verbose_name='名称'
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)
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quantity = models.DecimalField(
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max_digits=12,
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decimal_places=2,
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verbose_name='数量'
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)
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unit = models.IntegerField(
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choices=UnitChoices.choices,
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default=UnitChoices.PIECE,
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verbose_name='单位'
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)
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created_by = models.ForeignKey(
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User,
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on_delete=models.SET_NULL,
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null=True,
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related_name='created_sales_items',
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verbose_name='创建人'
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)
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# 关联的生产明细订单（可空）
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# 使用 PositiveIntegerField 而非 ForeignKey，避免模块间强依赖
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printing_job_id = models.PositiveIntegerField(
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null=True,
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blank=True,
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verbose_name='关联生产任务ID',
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help_text='关联的 PrintingJob ID（可空）'
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)
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# 客户ID（可空，用于销售品级别的客户关联）
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customer_id = models.PositiveIntegerField(
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null=True,
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blank=True,
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verbose_name='客户ID',
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help_text='销售品级别的客户ID（可空）'
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)
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position = models.CharField(
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max_length=200,
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blank=True,
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default='',
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verbose_name='货位'
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)
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remark = models.CharField(
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max_length=200,
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blank=True,
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default='',
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verbose_name='备注'
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)
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delete_at = models.DateTimeField(
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null=True,
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blank=True,
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verbose_name='删除时间',
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)
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delete_by = models.ForeignKey(
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User,
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on_delete=models.SET_NULL,
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null=True,
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blank=True,
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related_name='deleted_sales_items',
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verbose_name='删除人',
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)
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merge_remark = models.JSONField(
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null=True,
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blank=True,
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verbose_name='合卷备注',
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help_text='合卷信息JSON，包含 merge_type, jobs, main_job, quantity, unit, job_count',
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)
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class Meta:
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db_table = 'sales_item'
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verbose_name = '销售品'
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verbose_name_plural = '销售品'
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ordering = ['id']
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permissions = [
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('soft_delete_salesitem', 'Can soft delete sales item'),
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]
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def __str__(self):
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return f'{self.name} x {self.quantity} {self.get_unit_display()}'
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def get_printing_job(self) -> PrintingJob | None:
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"""
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获取关联的 PrintingJob 实例
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Returns:
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PrintingJob 实例，如果不存在则返回 None
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"""
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if not self.printing_job_id:
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return None
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try:
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from printing.models import PrintingJob
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return PrintingJob.objects.get(id=self.printing_job_id)
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except PrintingJob.DoesNotExist:
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return None
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def get_customer(self) -> basic_models.Customer | None:
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"""
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获取关联的 Customer 实例
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Returns:
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Customer 实例，如果不存在则返回 None
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"""
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if not self.customer_id:
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return None
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try:
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return basic_models.Customer.objects.get(id=self.customer_id)
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except basic_models.Customer.DoesNotExist:
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return None
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class SalesItemChangeRecord(ModelBase):
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"""
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销售品修改记录。
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记录允许修改字段的变更前后值，以及操作者与操作时间。
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"""
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sales_item = models.ForeignKey(
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SalesItem,
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on_delete=models.CASCADE,
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related_name="change_records",
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verbose_name="销售品",
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)
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operator = models.ForeignKey(
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User,
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on_delete=models.SET_NULL,
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null=True,
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blank=True,
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related_name="sales_item_change_records",
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verbose_name="操作者",
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)
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operated_at = models.DateTimeField(
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verbose_name="操作时间",
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)
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before_values = models.JSONField(
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default=dict,
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blank=True,
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verbose_name="修改前的值",
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)
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after_values = models.JSONField(
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default=dict,
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blank=True,
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verbose_name="修改目标值",
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)
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class Meta:
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db_table = "sales_item_change_record"
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verbose_name = "销售品修改记录"
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verbose_name_plural = "销售品修改记录"
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ordering = ["-operated_at", "-id"]
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def __str__(self) -> str:
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return f"SalesItemChangeRecord #{self.id} - sales_item={self.sales_item_id}"
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class SalesItemRebuildRecord(ModelBase):
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"""
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销售品重建记录。
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用于审计“软删除旧销售品并基于新 printing_job 重建销售品”的动作。
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"""
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old_sales_item = models.ForeignKey(
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SalesItem,
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on_delete=models.SET_NULL,
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null=True,
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blank=True,
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related_name="rebuild_source_records",
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verbose_name="旧销售品",
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)
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new_sales_item = models.ForeignKey(
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SalesItem,
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on_delete=models.SET_NULL,
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null=True,
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blank=True,
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related_name="rebuild_target_records",
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verbose_name="新销售品",
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)
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operator = models.ForeignKey(
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User,
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on_delete=models.SET_NULL,
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null=True,
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blank=True,
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related_name="sales_item_rebuild_records",
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verbose_name="操作者",
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)
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rebuilt_at = models.DateTimeField(
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verbose_name="重建时间",
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)
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old_printing_job_id = models.PositiveIntegerField(
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null=True,
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blank=True,
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verbose_name="旧生产任务ID",
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)
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new_printing_job_id = models.PositiveIntegerField(
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verbose_name="新生产任务ID",
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)
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old_quantity = models.DecimalField(
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max_digits=12,
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decimal_places=2,
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verbose_name="旧数量",
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)
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new_quantity = models.DecimalField(
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max_digits=12,
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decimal_places=2,
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verbose_name="新数量",
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)
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class Meta:
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db_table = "sales_item_rebuild_record"
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verbose_name = "销售品重建记录"
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verbose_name_plural = "销售品重建记录"
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ordering = ["-rebuilt_at", "-id"]
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def __str__(self) -> str:
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return f"SalesItemRebuildRecord #{self.id} - old={self.old_sales_item_id}, new={self.new_sales_item_id}"
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class ShipmentDelivery(ModelBase):
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"""
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送货单
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记录一次具体送货行为，可关联多个出货单。
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"""
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status = models.IntegerField(
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choices=ShipmentDeliveryStatus.choices,
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default=ShipmentDeliveryStatus.PENDING,
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db_index=True,
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verbose_name='状态',
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)
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merchant = models.ForeignKey(
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basic_models.Merchant,
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on_delete=models.PROTECT,
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related_name='shipment_deliveries',
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verbose_name='所属商户',
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)
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driver_name = models.CharField(
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max_length=100,
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db_index=True,
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verbose_name='司机名',
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)
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vehicle_trip = models.CharField(
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max_length=100,
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db_index=True,
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verbose_name='车次',
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)
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contact_phone = models.CharField(
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max_length=50,
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blank=True,
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default='',
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verbose_name='联系电话',
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)
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vehicle_capacity = models.CharField(
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max_length=100,
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blank=True,
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default='',
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verbose_name='车辆容量',
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)
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remark = models.CharField(
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max_length=200,
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blank=True,
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default='',
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verbose_name='备注',
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)
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internal_remark = models.CharField(
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max_length=200,
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blank=True,
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default='',
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verbose_name='内部备注',
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)
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started_at = models.DateTimeField(
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null=True,
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blank=True,
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verbose_name='开始送货时间',
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)
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delivered_at = models.DateTimeField(
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null=True,
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blank=True,
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verbose_name='送达时间',
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)
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cancelled_at = models.DateTimeField(
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null=True,
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blank=True,
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verbose_name='取消时间',
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)
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created_by = models.ForeignKey(
|
||
User,
|
||
on_delete=models.SET_NULL,
|
||
null=True,
|
||
related_name='created_shipment_deliveries',
|
||
verbose_name='创建人',
|
||
)
|
||
|
||
operator = models.ForeignKey(
|
||
basic_models.Employee,
|
||
on_delete=models.SET_NULL,
|
||
null=True,
|
||
blank=True,
|
||
related_name='operated_shipment_deliveries',
|
||
verbose_name='操作人',
|
||
)
|
||
|
||
cancelled_by = models.ForeignKey(
|
||
User,
|
||
on_delete=models.SET_NULL,
|
||
null=True,
|
||
blank=True,
|
||
related_name='cancelled_shipment_deliveries',
|
||
verbose_name='取消人',
|
||
)
|
||
|
||
class Meta:
|
||
db_table = 'shipment_delivery'
|
||
verbose_name = '送货单'
|
||
verbose_name_plural = '送货单'
|
||
ordering = ['-created_at', '-id']
|
||
permissions = [
|
||
('cancel_shipmentdelivery', 'Can cancel shipment delivery'),
|
||
]
|
||
|
||
def __str__(self) -> str:
|
||
return f'送货单 #{self.id} - {self.driver_name} / {self.vehicle_trip}'
|