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Use account linking if using ST as a third-party provider

Status

This is just a proposal so far, it hasn't been accepted and needs further discussion.

Status:: proposed
Deciders:: rishabhpoddar, porcellus
Proposed by:: porcellus
Created:: 2023-05-11

Context and Problem Statement#

We will provide support for using ST as a provider in the ThirdParty (and combination) recipes. Ideally, we'd like to re-use the user id we have in the original.

Considered Options#

Use user id mapping
Use account linking

Decision Outcome#

Chosen option: Use account linking if using ST as a third-party provider

Doesn't require using separate apps (as in multitenancy) for the provider and the consumer.
This should continue to work even if the account linking feature flag is switched off - the core should not check the license key when doing account linking for this use case.

Pros and Cons of the Options#

Use user id mapping#

Requires using separate apps (as in multitenancy) for the provider and the consumer. (We can't map to an existing user id)