models.py

# This is sample models
# Note Meta() class inside model - it is define form fields for CRUD
# and templates for list/new/edit/delete operations.
# Default templates located inside /templates/admin/
# To subclass template: create a folder inside /templates/admin/
# with model name lowercase.

from google.appengine.ext import ndb

from admin import fields


class Item(ndb.Model):
    """
    Sample item model
    """
    name = ndb.StringProperty()
    description = ndb.TextProperty()
    image = ndb.BlobProperty()

    def __unicode__(self):
        return self.name

    def __str__(self):
        return self.__unicode__()

    # this is where Admin CRUD form lives
    class Meta():
        def __init__(self):
            self.fields = [
                fields.TextField("name", "Name", required=True),
                fields.BigTextField("description", "Description"),
                fields.FileField("image", "Image")
            ]
            self.order_by = Item.name



class Order(ndb.Model):
    """
    More complex mdoel
    """
    item = ndb.KeyProperty(Item)
    is_payed = ndb.BooleanProperty()
    date_added = ndb.DateProperty()
    customer = ndb.StringProperty()
    memo = ndb.TextProperty()
    price = ndb.FloatProperty()

    def __unicode__(self):
        return "%s ordered %s" % (self.customer, self.item.get())

    def __str__(self):
        return self.__unicode__()

    class Meta():
        def __init__(self):
            self.fields = [
                fields.KeyField("item", "Item", required=True,
                    query=Item.query()),
                fields.DateField("date_added", "Date", required=True),
                fields.CheckboxField("is_payed", "Payed"),
                fields.TextField("customer", "Customer", required=True),
                fields.BigTextField("memo", "Memo"),
                fields.FloatField("price", "Price")
            ]