37 lines
1.7 KiB
Markdown
37 lines
1.7 KiB
Markdown
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✓ Remove delete-account, use delete-resource of an account instead
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✓ Reimplement spawn-session-monitor and end-session to work in terms
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of create-resource and delete-resource, but leave login-link
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idiosyncratic
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Factor out resource management into its own module. Introduce a macro
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for describing resources, their cascading deletion conditions, and
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their potential automatic expiries.
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Build a persistent resource management module. Adjust
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`immediate-query` to be able to use an alternative `flush!` routine.
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NOTE that automatic expiry in the direct implementation is as simple
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as `stop-when-timeout`, but cannot be this simple in a persistent
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implementation: instead, I plan on producing a special "expiries"
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table, each entry of which specifies a message to send upon expiry.
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NOTE that the trick of producing a base `p:follow` grant record on
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account creation has to be done differently when there's no
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always-on account process.
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NOTE that the trick of deleting an `invitation` when a matching
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`in-conversation` appears also has to be done differently, similarly
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to the `p:follow` grant mentioned above. However, this might be able
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to be automated: if there's some kind of `(stop-when E)` where `E`
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mentions some field or fields of a resource, matching resources can
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be deleted from the persistent store by an auxiliary process. This
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would require fairly hairy syntactic analysis though, so it might be
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better to have some kind of `cascading-delete-when` form to spell
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out what should be removed on a given event. (Then the `p:follow`
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case above can be implemented with some kind of
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`cascading-insert-when`?)
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NOTE that these differences are OK: this is the first time Syndicate
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has tackled persistence at all in any interesting way.
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