5 replies

'fanning out' pub sub broadcasts?

I'm looking for a clean approach for 'fanning out' pub sub broadcasts based on relationships.

For example, if I have:
* teams
* team_members - team_id, user_id
* users
* subscriptions - team_id

If a subscription changes, maybe I'd want to broadcast to all users in that team, with a topic like

subscriptions:#{user_id}

subscriptions:#{user_id}

.

But I'd need to get user_ids from

subscription.team.team_members.user_id

subscription.team.team_members.user_id

, not a direct attribute on subscriptions.

Any ideas?

Solution

I don't think there is any great way to do this declaratively right now. You can add a custom notifier that gets each notification (its just a module that implements the

notify

notify

option) and broadcast it yourself

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Ash Framework•10mo ago•

5 replies

pikdum

'fanning out' pub sub broadcasts?

subscriptions:#{user_id}

subscriptions:#{user_id}

.

But I'd need to get user_ids from

subscription.team.team_members.user_id

subscription.team.team_members.user_id

, not a direct attribute on subscriptions.

Any ideas?

Solution

I don't think there is any great way to do this declaratively right now. You can add a custom notifier that gets each notification (its just a module that implements the

notify

notify

option) and broadcast it yourself

Jump to solution

'fanning out' pub sub broadcasts?

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