albiere
Validation with `Ecto.Changeset.unsafe_validate_unique` and `Ecto.Changeset.put_assoc`
Hey peeps. Has anybody used Ecto.Changeset.unsafe_validate_unique with an association? I’m trying to do something like this:
organization = Repo.get!(Organization, 1)
%User{}
|> Ecto.Changeset.cast(%{email: "email", pass: "pass"}, [:email, :pass])
|> Ecto.Changeset.put_assoc(:organization, organization)
|> Ecto.Changeset.unsafe_validate_unique([:email, :org_id], MyApp.Repo)
I read the implementation of unsafe_validate_unique and the query doesn’t know how to handle associations. It only adds a simple where clause for chosen fields. Here’s the link to the implementation: ecto/lib/ecto/changeset.ex at 599a1a327b78320f85551c62b14fb7d272439014 · elixir-ecto/ecto · GitHub
In my case, I don’t want to cast the org_id, since that’s not something that should come directly from the user. Has anybody run into something similar? I feel like that would be a very common scenario for any type of SaaS type of app.
First Post!
albiere
I’m not sure if there’s a reason not to support changes that are associations, but would a change in the current implementation make sense?
Link to current implementation: ecto/lib/ecto/changeset.ex at 599a1a327b78320f85551c62b14fb7d272439014 · elixir-ecto/ecto · GitHub
where_clause = for field <- fields do
case changeset.types[field] do
{:assoc, %Ecto.Association.BelongsTo{} = assoc} ->
assoc_struct = get_field(changeset, field)
{assoc.owner_key, Map.get(assoc_struct, assoc.related_key)}
_ ->
{field, get_field(changeset, field)}
end
end
And here’s the change that could potentially be implemented. What are your thoughts?
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