History

History#

The @history endpoint exposes history and versioning information on previous versions of the content. Each change or workflow change on a content object or file is listed. It also allows to revert to a previous version of the file.

Listing the History of a Content Object#

Listing versions and history of a resource:

http

GET /plone/front-page/@history HTTP/1.1
Accept: application/json
Authorization: Basic YWRtaW46c2VjcmV0

curl

curl -i -X GET http://nohost/plone/front-page/@history -H "Accept: application/json" --user admin:secret

httpie

http http://nohost/plone/front-page/@history Accept:application/json -a admin:secret

python-requests

requests.get('http://nohost/plone/front-page/@history', headers={'Accept': 'application/json'}, auth=('admin', 'secret'))

HTTP/1.1 200 OK
Content-Type: application/json

[
    {
        "@id": "http://localhost:55001/plone/front-page/@history/0",
        "action": "Edited",
        "actor": {
            "@id": "http://localhost:55001/plone/@users/test-user",
            "fullname": "test-user",
            "id": "test-user",
            "username": null
        },
        "comments": "Initial version",
        "may_revert": true,
        "time": "1995-07-31T17:30:00+00:00",
        "transition_title": "Edited",
        "type": "versioning",
        "version": 0
    },
    {
        "action": "Create",
        "actor": {
            "@id": "http://localhost:55001/plone/@users/test_user_1_",
            "fullname": "test_user_1_",
            "id": "test_user_1_",
            "username": null
        },
        "comments": "",
        "review_state": "private",
        "state_title": "Private",
        "time": "1995-07-31T18:30:00+00:00",
        "transition_title": "Create",
        "type": "workflow"
    }
]

The following fields are returned:

  • action: the workflow transition id, Edited for versioning, or Create for initial state.

  • actor: the user who performed the action. This contains a subobject with the details.

  • comments: a changenote

  • @id: link to the content endpoint of this specific version.

  • may_revert: true if the user has permission to revert.

  • time: when this action occured in ISO format.

  • transition_title: the workflow transition's title, Edited for versioning, or Create for initial state.

  • type: workflow for workflow changes, versioning for editing, or null for content creation.

  • version: identifier for this specific version of the resource.

Get a Historical Version#

Older versions of a resource can be retrieved by appending version to the @history endpoint URL:

http

GET /plone/folder/my-document/@history/0 HTTP/1.1
Accept: application/json
Authorization: Basic YWRtaW46c2VjcmV0

curl

curl -i -X GET http://nohost/plone/folder/my-document/@history/0 -H "Accept: application/json" --user admin:secret

httpie

http http://nohost/plone/folder/my-document/@history/0 Accept:application/json -a admin:secret

python-requests

requests.get('http://nohost/plone/folder/my-document/@history/0', headers={'Accept': 'application/json'}, auth=('admin', 'secret'))

Revert to a Historical Version#

Reverting to an older versions of a resource can be done by sending a PATCH request to the @history endpoint and appending the version you want to revert to:

http

PATCH /plone/front-page/@history HTTP/1.1
Accept: application/json
Authorization: Basic YWRtaW46c2VjcmV0
Content-Type: application/json

{
    "version": 0
}

curl

curl -i -X PATCH http://nohost/plone/front-page/@history -H "Accept: application/json" -H "Content-Type: application/json" --data-raw '{"version": 0}' --user admin:secret

httpie

echo '{
  "version": 0
}' | http PATCH http://nohost/plone/front-page/@history Accept:application/json Content-Type:application/json -a admin:secret

python-requests

requests.patch('http://nohost/plone/front-page/@history', headers={'Accept': 'application/json', 'Content-Type': 'application/json'}, json={'version': 0}, auth=('admin', 'secret'))

HTTP/1.1 200 OK
Content-Type: application/json

{
    "message": "Welcome to Plone has been reverted to revision 0."
}
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