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jumpserver/apps/users/models/preference.py

76 lines
2.3 KiB

from django.db import models
from django.utils.translation import gettext_lazy as _
from common.db.utils import Encryptor
from common.utils import get_logger
logger = get_logger(__name__)
class Preference(models.Model):
name = models.CharField(max_length=128, verbose_name=_("Name"))
category = models.CharField(max_length=128, verbose_name=_('Category'))
value = models.TextField(verbose_name=_("Value"), default='', blank=True)
encrypted = models.BooleanField(default=False, verbose_name=_('Encrypted'))
user = models.ForeignKey(
'users.User', verbose_name=_("Users"), related_name='preferences', on_delete=models.CASCADE
)
def __str__(self):
return f'{self.name}({self.user.username})'
@classmethod
def encrypt(cls, value):
return Encryptor(value).encrypt()
@classmethod
def decrypt(cls, value):
return Encryptor(value).decrypt()
@property
def decrypt_value(self):
if self.encrypted:
return self.decrypt(self.value)
return self.value
class Meta:
db_table = "users_preference"
verbose_name = _("Preference")
unique_together = [('name', 'user_id')]
class PreferenceManager:
def __init__(self, user):
self.user = user
def get(self, name, category=None):
query = {'name': name, 'user': self.user}
if category:
query['category'] = category
return Preference.objects.filter(**query).first()
def get_value(self, name, category=None, default=None):
preference = self.get(name, category)
if preference:
return preference.decrypt_value
return default
def set(self, name, value, category=None, encrypted=False):
query = {'name': name, 'user': self.user}
if category:
query['category'] = category
if encrypted:
value = Preference.encrypt(value)
preference, __ = Preference.objects.update_or_create(
defaults={'value': value, 'encrypted': encrypted},
**query
)
return preference
def set_value(self, name, value, category=None, encrypted=False):
preference = self.set(name, value, category, encrypted)
return preference.decrypt_value
def as_dict(self):
return {pref.name: pref.decrypt_value for pref in self.user.preferences.all()}