debusy/schedule/models.py

from django.db import models

# Create your models here.

class PickupDate(models.Model):
    date = models.DateField('date of pickup')

class Timeslot(models.Model):
    start = models.TimeField('start of timeslot')
    # open-ended for now

class Member(models.Model):
    member_number = models.PositiveIntegerField(
        verbose_name='aoff member number',
        unique=True,
        blank=True,
        null=True,
    )

class Pickup(models.Model):
    date = models.ForeignKey(PickupDate, on_delete=models.CASCADE)
    time = models.ForeignKey(Timeslot, on_delete=models.CASCADE)
    member = models.ForeignKey(Member, on_delete=models.CASCADE)