from django.db import models class WBSBoard(models.Model): name = models.CharField(max_length=100) class Task_List(models.Model): wbsboard = models.ForeignKey(WBSBoard, related_name='task_lists', on_delete=models.CASCADE) title = models.CharField(max_length=100) order = models.IntegerField(default=0) class Task_Card(models.Model): task_list = models.ForeignKey(WBSBoard, related_name='task_cards', on_delete=models.CASCADE) title = models.CharField(max_length=100) description = models.TextField(blank=True) order = models.IntegerField(default=0)