Re: Negative Stock Prevention

On Mon, Aug 29, 2022 at 05:18:39PM +0300, tech george wrote:
> Please help crack the below code, I want to prevent negative stock, and if
> the stock is == 0, deduct it from reorder_level instead.
> Currently, the stock goes negative.
>
> models.py
>
> class Stock(models.Model):
> quantity = models.IntegerField(default='0', blank=True, null=True)
> reorder_level = models.IntegerField(default='0', blank=True, null=True)
>
> class Dispense(models.Model):
> drug_id = models.ForeignKey(Stock,
> on_delete=models.SET_NULL,null=True,blank=False)
> dispense_quantity = models.PositiveIntegerField(default='1',
> blank=False, null=True)
> taken=models.CharField(max_length=300,null=True, blank=True)

Maybe change quantity and reorder_level to PositiveIntegerField?

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