ash
ash v2.5.14

View Source Ash.Resource.Change behaviour (ash v2.5.14)

The behaviour for an action-specific resource change.

init/1 is defined automatically by use Ash.Resource.Change, but can be implemented if you want to validate/transform any options passed to the module.

The main function is change/3. It takes the changeset, any options that were provided when this change was configured on a resource, and the context, which currently only has the actor.

Link to this section Summary

Types

context()
ref()
t()

Callbacks

change(t, t, context)
init(t)

Link to this section Types

Link to this type

context()

View Source 
@type context() :: %{actor: Ash.Resource.record()} | %{}
Link to this type

ref()

View Source 
@type ref() :: {module(), Keyword.t()} | module()
Link to this type

t()

View Source 
@type t() :: %Ash.Resource.Change{
  change: term(),
  description: term(),
  on: term(),
  only_when_valid?: term(),
  where: term()
}

Link to this section Callbacks

Link to this callback

change(t, t, context)

View Source 
@callback change(Ash.Changeset.t(), Keyword.t(), context()) :: Ash.Changeset.t()
Link to this callback

init(t)

View Source 
@callback init(Keyword.t()) :: {:ok, Keyword.t()} | {:error, term()}