[wp-trac] [WordPress Trac] #43316: REST API: Support autosaves

[WordPress Trac]

#43316: REST API: Support autosaves
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 Reporter:  kraftbj                  |       Owner:
     Type:  enhancement              |      Status:  new
 Priority:  normal                   |   Milestone:  5.0
Component:  REST API                 |     Version:
 Severity:  normal                   |  Resolution:
 Keywords:  has-patch needs-testing  |     Focuses:  rest-api
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Comment (by schlessera):

 My suggestion is to use a new route `/autosaves` extending the revisions
 controller.

 The concept of an "Autosave" is different to the concept of a "Revision",
 even though right now, they are technically implemented in a similar
 manner and store in the same table. That could potentially change at any
 moment, though. Routes should be modeled after concepts, not how stuff is
 stored in the DB.

 The `/autosaves` endpoint would be used on the client to "trigger" an
 autosave. The server then decides how (or if) to store that autosave. The
 server then emits a response to the client, which could contain contextual
 data that the client needs to provide needed visual feedback. As an
 example, it could provide the latest valid autosave (=revision) ID. This
 can be used on the client to adapt its state.

 Letting the client decide whether to actually store the autosave or not is
 not recommend imho, because:
 - The client does not have the necessary knowledge to make this decision.
 It would either require direct access to the DB or multiple network
 roundtrips to decide.
 - The client should be in control of the logic that defines user
 interactions, and the server should be in control of the logic that
 defines the business domain. A client is not to be trusted, so giving it
 too much decisional power is a security liability.

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Ticket URL: <https://core.trac.wordpress.org/ticket/43316#comment:19>
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