from django.db import models
from django.contrib.auth.models import User
from archweb_dev.packages.models import Package

class TodolistManager(models.Manager):
    def get_incomplete(self):
        results = []
        for l in self.all().order_by('-date_added'):
            if TodolistPkg.objects.filter(list=l.id).filter(complete=False).count() > 0:
                results.append(l)
        return results

class Todolist(models.Model):
    id = models.AutoField(primary_key=True)
    creator = models.ForeignKey(User)
    name = models.CharField(maxlength=255)
    description = models.TextField()
    date_added = models.DateField(auto_now_add=True)
    objects = TodolistManager()
    class Meta:
        db_table = 'todolists'

class TodolistPkg(models.Model):
    id = models.AutoField(primary_key=True)
    list = models.ForeignKey(Todolist)
    pkg = models.ForeignKey(Package)
    complete = models.BooleanField(default=False)
    class Meta:
        db_table = 'todolists_pkgs'
        unique_together = (('list','pkg'),)

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