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# coding: utf-8
#
from django.db.models import Q
from orgs.utils import set_to_root_org
from ..models import DatabaseAppPermission
from common.tree import TreeNode
from applications.models import DatabaseApp
from assets.models import SystemUser
__all__ = [
'DatabaseAppPermissionUtil',
'construct_database_apps_tree_root',
'parse_database_app_to_tree_node'
]
def get_user_database_app_permissions(user, include_group=True):
if include_group:
groups = user.groups.all()
arg = Q(users=user) | Q(user_groups__in=groups)
else:
arg = Q(users=user)
return DatabaseAppPermission.objects.all().valid().filter(arg)
def get_user_group_database_app_permission(user_group):
return DatabaseAppPermission.objects.all().valid().filter(
user_group=user_group
)
class DatabaseAppPermissionUtil:
get_permissions_map = {
'User': get_user_database_app_permissions,
'UserGroup': get_user_group_database_app_permission
}
def __init__(self, obj):
self.object = obj
self.change_org_if_need()
@staticmethod
def change_org_if_need():
set_to_root_org()
@property
def permissions(self):
obj_class = self.object.__class__.__name__
func = self.get_permissions_map[obj_class]
_permissions = func(self.object)
return _permissions
def get_database_apps(self):
database_apps = DatabaseApp.objects.filter(
granted_by_permissions__in=self.permissions
)
return database_apps
def get_database_app_system_users(self, database_app):
queryset = self.permissions
kwargs = {'database_apps': database_app}
queryset = queryset.filter(**kwargs)
system_users_ids = queryset.values_list('system_users', flat=True)
system_users_ids = system_users_ids.distinct()
system_users = SystemUser.objects.filter(id__in=system_users_ids)
system_users = system_users.order_by('-priority')
return system_users
def construct_database_apps_tree_root():
tree_root = {
'id': 'ID_DATABASE_APP_ROOT',
'name': 'DatabaseApp',
'title': 'DatabaseApp',
'pId': '',
'open': False,
'isParent': True,
'iconSkin': '',
'meta': {'type': 'database_app'}
}
return TreeNode(**tree_root)
def parse_database_app_to_tree_node(parent, database_app):
pid = parent.id if parent else ''
tree_node = {
'id': database_app.id,
'name': database_app.name,
'title': database_app.name,
'pId': pid,
'open': False,
'isParent': False,
'iconSkin': 'file',
'meta': {'type': 'database_app'}
}
return TreeNode(**tree_node)