Source code for aiida.orm.comments
# -*- coding: utf-8 -*-
###########################################################################
# Copyright (c), The AiiDA team. All rights reserved. #
# This file is part of the AiiDA code. #
# #
# The code is hosted on GitHub at https://github.com/aiidateam/aiida-core #
# For further information on the license, see the LICENSE.txt file #
# For further information please visit http://www.aiida.net #
###########################################################################
"""Comment objects and functions"""
from datetime import datetime
from typing import TYPE_CHECKING, List, Optional, Type
from aiida.common.lang import classproperty
from aiida.manage import get_manager
from . import entities, users
if TYPE_CHECKING:
from aiida.orm import Node, User
from aiida.orm.implementation import BackendComment, StorageBackend
__all__ = ('Comment',)
[docs]class CommentCollection(entities.Collection['Comment']):
"""The collection of Comment entries."""
[docs] def delete(self, pk: int) -> None:
"""
Remove a Comment from the collection with the given id
:param pk: the id of the comment to delete
:raises TypeError: if ``comment_id`` is not an `int`
:raises `~aiida.common.exceptions.NotExistent`: if Comment with ID ``comment_id`` is not found
"""
self._backend.comments.delete(pk)
[docs] def delete_all(self) -> None:
"""
Delete all Comments from the Collection
:raises `~aiida.common.exceptions.IntegrityError`: if all Comments could not be deleted
"""
self._backend.comments.delete_all()
[docs] def delete_many(self, filters: dict) -> List[int]:
"""
Delete Comments from the Collection based on ``filters``
:param filters: similar to QueryBuilder filter
:return: (former) ``PK`` s of deleted Comments
:raises TypeError: if ``filters`` is not a `dict`
:raises `~aiida.common.exceptions.ValidationError`: if ``filters`` is empty
"""
return self._backend.comments.delete_many(filters)
[docs]class Comment(entities.Entity['BackendComment']):
"""Base class to map a DbComment that represents a comment attached to a certain Node."""
Collection = CommentCollection
@classproperty
def objects(cls: Type['Comment']) -> CommentCollection: # type: ignore[misc] # pylint: disable=no-self-argument
return CommentCollection.get_cached(cls, get_manager().get_profile_storage())
[docs] def __init__(
self, node: 'Node', user: 'User', content: Optional[str] = None, backend: Optional['StorageBackend'] = None
):
"""Create a Comment for a given node and user
:param node: a Node instance
:param user: a User instance
:param content: the comment content
:param backend: the backend to use for the instance, or use the default backend if None
:return: a Comment object associated to the given node and user
"""
backend = backend or get_manager().get_profile_storage()
model = backend.comments.create(node=node.backend_entity, user=user.backend_entity, content=content)
super().__init__(model)
[docs] def __str__(self) -> str:
arguments = [self.uuid, self.node.pk, self.user.email, self.content]
return 'Comment<{}> for node<{}> and user<{}>: {}'.format(*arguments)
@property
def uuid(self) -> str:
"""Return the UUID for this comment.
This identifier is unique across all entities types and backend instances.
:return: the entity uuid
"""
return self._backend_entity.uuid
@property
def ctime(self) -> datetime:
return self._backend_entity.ctime
@property
def mtime(self) -> datetime:
return self._backend_entity.mtime
@property
def node(self) -> 'Node':
return self._backend_entity.node
@property
def user(self) -> 'User':
return users.User.from_backend_entity(self._backend_entity.user)
@property
def content(self) -> str:
return self._backend_entity.content