mirror of https://github.com/jumpserver/jumpserver
125 lines
3.3 KiB
Python
125 lines
3.3 KiB
Python
# -*- coding: utf-8 -*-
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#
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import uuid
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from django.db import models
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from django.utils.translation import ugettext_lazy as _
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__all__ = ['Node']
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class Node(models.Model):
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id = models.UUIDField(default=uuid.uuid4, primary_key=True)
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key = models.CharField(unique=True, max_length=64, verbose_name=_("Key")) # '1:1:1:1'
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value = models.CharField(max_length=128, unique=True, verbose_name=_("Value"))
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child_mark = models.IntegerField(default=0)
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date_create = models.DateTimeField(auto_now_add=True)
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is_asset = False
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def __str__(self):
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return self.value
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@property
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def name(self):
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return self.value
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@property
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def full_value(self):
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if self == self.__class__.root():
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return self.value
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else:
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return '{}/{}'.format(self.value, self.parent.full_value)
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@property
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def level(self):
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return len(self.key.split(':'))
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def get_next_child_key(self):
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mark = self.child_mark
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self.child_mark += 1
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self.save()
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return "{}:{}".format(self.key, mark)
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def create_child(self, value):
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child_key = self.get_next_child_key()
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child = self.__class__.objects.create(key=child_key, value=value)
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return child
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def get_children(self):
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return self.__class__.objects.filter(key__regex=r'{}:[0-9]+$'.format(self.key))
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def get_all_children(self):
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return self.__class__.objects.filter(key__startswith='{}:'.format(self.key))
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def get_family(self):
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children = list(self.get_all_children())
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children.append(self)
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return children
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def get_assets(self):
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from .asset import Asset
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assets = Asset.objects.filter(nodes__id=self.id)
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return assets
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def get_active_assets(self):
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return self.get_assets().filter(is_active=True)
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def get_all_assets(self):
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from .asset import Asset
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if self.is_root():
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assets = Asset.objects.all()
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else:
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nodes = self.get_family()
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assets = Asset.objects.filter(nodes__in=nodes).distinct()
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return assets
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def has_assets(self):
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return self.get_all_assets()
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def get_all_active_assets(self):
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return self.get_all_assets().filter(is_active=True)
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def is_root(self):
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return self.key == '0'
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@property
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def parent(self):
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if self.key == "0":
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return self.__class__.root()
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elif not self.key.startswith("0"):
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return self.__class__.root()
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parent_key = ":".join(self.key.split(":")[:-1])
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try:
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parent = self.__class__.objects.get(key=parent_key)
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except Node.DoesNotExist:
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return self.__class__.root()
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else:
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return parent
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@parent.setter
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def parent(self, parent):
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self.key = parent.get_next_child_key()
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@property
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def ancestor(self):
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if self.parent == self.__class__.root():
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return [self.__class__.root()]
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else:
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return [self.parent, *tuple(self.parent.ancestor)]
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@property
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def ancestor_with_node(self):
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ancestor = self.ancestor
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ancestor.insert(0, self)
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return ancestor
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@classmethod
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def root(cls):
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obj, created = cls.objects.get_or_create(
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key='0', defaults={"key": '0', 'value': "ROOT"}
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)
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return obj
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