# -*- coding: utf-8 -*-
from __future__ import absolute_import, print_function, unicode_literals
from woodbox.db import db
from woodbox.push_service import NotificationService
from .document_model import DocumentModel
from .node_model import NodeModel
class DocumentNodeModel(NodeModel):
id = db.Column(db.Integer, db.ForeignKey('node_model.id'), primary_key=True)
document_id = db.Column(db.Integer, db.ForeignKey('document_model.id'), nullable=False)
document = db.relationship(DocumentModel,
foreign_keys='DocumentNodeModel.document_id', single_parent=True,
cascade='all, delete-orphan')
__mapper_args__ = {
'polymorphic_identity': 'document_node_model',
}
NotificationService.register_model(DocumentNodeModel)
if cls._root_id is None:
root = FolderNodeModel.query.filter_by(title='root').order_by(FolderNodeModel.id).first()
cls._root_id = root.id
return cls._root_id
def checkDeletePrecondition(self):
if self.content:
return "Folder is not empty. Delete or move content before deleting the folder."
return None
class FolderNodeModelInitializer(DatabaseInitializer):
dependencies = [UserModelInitializer]
"""Database initializer for folders: insert the root folder."""
@staticmethod
def do_init():
root = FolderNodeModel(title='root', owner_id=UserModel.get_admin_id(), parent_node_id=None)
db.session.add(root)
db.session.commit()
acl = RecordACLModel(record_type='ContentNode',
record_id=root.id,
user_role_id=UserModel.get_user_role_id(),
permission='read')
db.session.add(acl)
db.session.commit()
NotificationService.register_model(FolderNodeModel)