udoschneider
Getting sorted relations from resource via code interface
All,
I’m currently struggling to sort relationships loaded from a resource.
E.g. a resource “Domain” has multiple “Controls”.
Getting a domain and preload the controls is easy and works just fine:
Domain.get_by_identifier!(identifier, load: :controls)
However I’m struggling with getting those controls as sorted list. My gut feeling is that this should be possible because the Api.load/3 function also accepts [atom() | {atom(), atom() | Keyword.t()}] as load_statement type. This would allow for something like
Domain.get_by_identifier!(identifier, load: [{:controls, [identifier: asc]}])
This doesn’t work though 
Any pointers?
CU,
Udo
Most Liked
zachdaniel
This is done via passing a query as the value 
Domain.get_by_identifier!(identifier, load: [controls: Ash.Query.sort(Control, identifier: :asc)]_
zachdaniel
For the most part, yes. Ultimately an action gets called on the destination resource that validates/authorizes whatever you’re doing. If you want to put it behind an action you can do it like this:
read :... do
prepare fn query, _ ->
Ash.Query.load(....)
end
end
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