mirror of
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128 lines
5.5 KiB
Python
128 lines
5.5 KiB
Python
from extensions.common.base import *
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from extensions.models import *
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class GoodsCategory(Model):
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"""产品分类"""
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name = CharField(max_length=64, verbose_name='名称')
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remark = CharField(max_length=256, null=True, blank=True, verbose_name='备注')
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team = ForeignKey('system.Team', on_delete=CASCADE, related_name='goods_categories')
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class Meta:
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unique_together = [('name', 'team')]
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class GoodsUnit(Model):
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"""产品单位"""
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name = CharField(max_length=64, verbose_name='名称')
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remark = CharField(max_length=256, null=True, blank=True, verbose_name='备注')
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team = ForeignKey('system.Team', on_delete=CASCADE, related_name='goods_units')
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class Meta:
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unique_together = [('name', 'team')]
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class Goods(Model):
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"""产品"""
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number = CharField(max_length=32, verbose_name='编号')
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name = CharField(max_length=64, verbose_name='名称')
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barcode = CharField(max_length=32, null=True, blank=True, verbose_name='条码')
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category = ForeignKey('goods.GoodsCategory', on_delete=SET_NULL, null=True,
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related_name='goods_set', verbose_name='产品分类')
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unit = ForeignKey('goods.GoodsUnit', on_delete=SET_NULL, null=True,
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related_name='goods_set', verbose_name='产品单位')
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spec = CharField(max_length=64, null=True, blank=True, verbose_name='规格')
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enable_batch_control = BooleanField(default=False, verbose_name='启用批次控制')
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shelf_life_days = IntegerField(null=True, verbose_name='保质期天数')
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shelf_life_warning_days = IntegerField(default=0, verbose_name='保质期预警天数')
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enable_inventory_warning = BooleanField(default=False, verbose_name='启用库存警告')
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inventory_upper = FloatField(null=True, verbose_name='库存上限')
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inventory_lower = FloatField(null=True, verbose_name='库存下限')
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purchase_price = FloatField(default=0, verbose_name='采购价')
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retail_price = FloatField(default=0, verbose_name='零售价')
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level_price1 = FloatField(default=0, verbose_name='等级价一')
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level_price2 = FloatField(default=0, verbose_name='等级价二')
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level_price3 = FloatField(default=0, verbose_name='等级价三')
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remark = CharField(max_length=256, null=True, blank=True, verbose_name='备注')
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is_active = BooleanField(default=True, verbose_name='激活状态')
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team = ForeignKey('system.Team', on_delete=CASCADE, related_name='goods_set')
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class Meta:
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unique_together = [('number', 'team')]
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@classmethod
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def get_number(cls, team):
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default_number = 'G000000000001'
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if instance := cls.objects.filter(team=team).last():
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if result := re.findall('[0-9]+', instance.number):
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current_number = result[-1]
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next_number = str(int(current_number) + 1)
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if len(current_number) > len(next_number):
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next_number = next_number.zfill(len(current_number))
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else:
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return default_number
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else:
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return default_number
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result = re.match(f'^(.*){current_number}(.*?)$', instance.number)
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prefix, suffix = result.group(1), result.group(2)
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return prefix + next_number + suffix
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class GoodsImage(Model):
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"""产品图片"""
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goods = ForeignKey('goods.Goods', on_delete=SET_NULL, null=True,
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related_name='goods_images', verbose_name='产品')
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file = ImageField(verbose_name='文件')
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name = CharField(max_length=256, verbose_name='文件名称')
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team = ForeignKey('system.Team', on_delete=CASCADE, related_name='goods_images')
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class Batch(Model):
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"""批次"""
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number = CharField(max_length=32, verbose_name='编号')
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inventory = ForeignKey('goods.Inventory', on_delete=CASCADE, related_name='batchs', verbose_name='库存')
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warehouse = ForeignKey('data.Warehouse', on_delete=CASCADE, related_name='batchs', verbose_name='仓库')
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goods = ForeignKey('goods.Goods', on_delete=CASCADE, related_name='batchs', verbose_name='产品')
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initial_quantity = FloatField(default=0, verbose_name='初始库存')
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total_quantity = FloatField(verbose_name='批次数量')
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remain_quantity = FloatField(verbose_name='批次剩余数量')
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production_date = DateField(null=True, verbose_name='生产日期')
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shelf_life_days = IntegerField(null=True, verbose_name='保质期天数')
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warning_date = DateField(null=True, verbose_name='预警日期')
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expiration_date = DateField(null=True, verbose_name='过期日期')
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has_stock = BooleanField(default=True, verbose_name='库存状态')
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create_time = DateTimeField(auto_now_add=True, verbose_name='创建时间')
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team = ForeignKey('system.Team', on_delete=CASCADE, related_name='batchs')
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class Meta:
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unique_together = [('number', 'warehouse', 'goods', 'team')]
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class Inventory(Model):
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"""库存"""
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warehouse = ForeignKey('data.Warehouse', on_delete=CASCADE, related_name='inventories', verbose_name='仓库')
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goods = ForeignKey('goods.Goods', on_delete=CASCADE, related_name='inventories', verbose_name='产品')
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initial_quantity = FloatField(default=0, verbose_name='初始库存')
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total_quantity = FloatField(default=0, verbose_name='库存总数')
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has_stock = BooleanField(default=False, verbose_name='库存状态')
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team = ForeignKey('system.Team', on_delete=CASCADE, related_name='inventories')
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class Meta:
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unique_together = [('warehouse', 'goods', 'team')]
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__all__ = [
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'GoodsCategory', 'GoodsUnit', 'Goods', 'GoodsImage',
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'Batch', 'Inventory',
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]
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