coin/coin/billing/models.py

from django.db import models

# Create your models here.

    
class Invoces_Detail(models.Model):

    label= models.CharField(max_length=100)
    amount = models.DecimalField( max_digits=5, decimal_places=2)
    quantity = models.IntegerField(null=True)
    tax = models.IntegerField( null=True)
    def __unicode__(self):
        return self.label

class Invoces(models.Model):

    INVOICES_STATUS_CHOICES = (
        ('open', 'A payer'),
        ('Closed', 'regler'),
        ('trouble', "litige"),
    )
    status= models.CharField(max_length=50, choices=INVOICES_STATUS_CHOICES,default='open')
    detail = models.ForeignKey(Invoces_Detail)
    amount = models.DecimalField( max_digits=5, decimal_places=2)
    date = models.DateField (auto_now_add=True, null=True)
    period_from=models.DateField (auto_now_add=False, null=True)
    period_to=models.DateField (auto_now_add=False, null=True)
    date_due=models.DateField (auto_now_add=False, null=True)

    
        
class Payments(models.Model):
    payment_means =models.CharField(max_length=100, null=True)
    amount=  models.DecimalField( max_digits=7, decimal_places=2, null=True)
    date=models.DateField(auto_now_add=True)
    invoce =models.ForeignKey(Invoces)