You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
83 lines
2.8 KiB
83 lines
2.8 KiB
# This file is part of k4ever, a point-of-sale system
|
|
# Contact............ <k4ever@lists.someserver.de>
|
|
# Website............ http://k4ever.someserver.de/
|
|
# Bug tracker........ http://k4ever.someserver.de/report
|
|
#
|
|
# Licensed under GNU Affero General Public License v3 or later
|
|
|
|
from django.db import models
|
|
from django.db.models.signals import post_save
|
|
from django.contrib.auth.models import User
|
|
from decimal import Decimal
|
|
|
|
class UserProfile(models.Model):
|
|
""" Contains data for a user, especially the account balance. """
|
|
user = models.ForeignKey(User, unique=True)
|
|
balance = models.DecimalField(max_digits=9, decimal_places=2, default=Decimal(0))
|
|
balance.has_negative_filter = True
|
|
|
|
def balance_negative(self):
|
|
return (self.balance < 0)
|
|
|
|
def __unicode__(self):
|
|
return "%s (Kontostand: %s)" % (self.user ,self.balance)
|
|
|
|
def createUserProfile(sender, instance, created, **kwargs):
|
|
""" Hook to create a new :class:`UserProfile` when the user is created. """
|
|
if created:
|
|
profile = UserProfile()
|
|
profile.user = instance
|
|
profile.save()
|
|
|
|
post_save.connect(createUserProfile, sender=User)
|
|
|
|
class Plugin(models.Model):
|
|
""" This Model contains a plugin and its configuration.
|
|
|
|
A Plugin consists of its own information (name, author, version
|
|
and description, which are displayed on the plugin
|
|
selection page), a configuration of what a plugin is allowed to do
|
|
and what not and an own user for authentication against the
|
|
API.
|
|
|
|
:attr:`uniqueAuthblob` is used if the :class:`Plugin` has to uniquely
|
|
identify a user by his/her :attr:`authblob <PluginPermission.authblob>`.
|
|
The other attributes are used for plugin/user read/write access to the
|
|
authblob.
|
|
"""
|
|
user = models.ForeignKey(User, unique=True)
|
|
|
|
# plugin info
|
|
name = models.CharField(max_length=40)
|
|
author = models.CharField(max_length=40)
|
|
version = models.CharField(max_length=40)
|
|
descr = models.TextField(default='')
|
|
|
|
# plugin config
|
|
uniqueAuthblob = models.BooleanField(default=False)
|
|
userCanWriteAuthblob = models.BooleanField(default=True)
|
|
maxLinesPerAuthblob = models.IntegerField(default=0)
|
|
|
|
# automatically set when write is allowed
|
|
userCanReadAuthblob = models.BooleanField(default=True)
|
|
pluginCanWriteAuthblob = models.BooleanField(default=False)
|
|
pluginCanReadAuthblob = models.BooleanField(default=False)
|
|
|
|
def __unicode__(self):
|
|
return self.name
|
|
|
|
class PluginPermission(models.Model):
|
|
""" States that a user allows access to his/her account to a :class:`Plugin`.
|
|
|
|
The :attr:`authblob` can be used by the Plugin to store
|
|
authentication data, e.g. a barcode or hashed password.
|
|
"""
|
|
user = models.ForeignKey(User)
|
|
plugin = models.ForeignKey('Plugin')
|
|
|
|
#: authblob which holds arbitrary authentication data.
|
|
authblob = models.TextField(default='')
|
|
|
|
def __unicode__(self):
|
|
return "%s allows %s" % (self.user, self.plugin)
|