On Monday, April 8, 2019 at 1:52:20 PM UTC-7, Chris Elsworth wrote:
>
> Hi Jeremy,
>
> The problem is the soft deletion needs to happen in the many_to_many join 
> table. I'm not sure if I can get access to that table in the before_destroy 
> method?
>
> Just to make this clear, what I currently have is:
>
> class Artist
>   many_to_many :tracks, join_table: :albums
>   plugin :association_dependencies, tracks: :nullify
> end
>
> So here when I delete an artist, their albums are removed from the join 
> table but the tracks are left behind. What I need to achieve is the album 
> rows are updated with deleted_at instead. I think the before_destroy method 
> above will set deleted_at in the tracks table? Which isn't quite right.
>
> I'm not entirely sure what a solution might look like, I'm kind of fishing 
> for ideas on how to make this work at the moment..
>

In this case,  association_dependencies will call the remove all method for 
the association, so you can use a custom association :remover option to 
implement it.

I still think the trigger-based approach is better for this.

Thanks,
Jeremy

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