Patrons extended attributes endpoint RFC

This RFC should be the basis for bug 23666 and related bug reports that could need to be filed.

Actions and routes

GET /patrons/:patron_id/extended_attributes POST /patrons/:patron_id/extended_attributes PUT /patrons/:patron_id/extended_attributes <- to overwrite them all DELETE /patrons/:patron_id/extended_attributes/:extended_attribute_id

The following table presents the current implementation, and the proposed changes.

Description	Action	Path
List patron's extended attributes	GET	/patrons/{patron_id}/extended_attributes
Add an extended attribute to a patron	POST	/patrons/{patron_id}/extended_attributes
Overwrite the patron's extended attributes	PUT	/patrons/{patron_id}/extended_attributes
Delete an extended attribute	DELETE	/patrons/{patron_id}/extended_attributes/{extended_attribute_id}

Extended attribute object

DB schema	API
code	type
attribute	value
borrowernumber	REMOVED