On 19 May 2014 05:18, Christophe N. <li...@ruby-forum.com> wrote:
> I'm not sure what is the best approach for my problem. I need a model
> for notification (or alerts) in my application. Notifications are based
> on
> services, have multiple fields to define conditions and are associated
> with a user. Here's an example for a reddit notification:
>
> user_id: 1
> type: post_karma
> condition: above
> value: 100
>
> And here's a weather notification:
>
> user_id: 2
> type: temperature
> city: Seattle
> condition: above
> value: 70
>
> So both entries are notifications but they have different fields. Should
> I:
>
> - Create different models for each type of notification?
> - Create a base notification model and other models for each type that
> extend the base one?
> - Only have 1 model (notification) and then some sort of condition
> table. A notification has multiple conditions.

Have you considered STI?

Colin

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