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30 lines
774 B
Elixir
30 lines
774 B
Elixir
defmodule AshGraphql.Resource.Transformers.RequireIdPkey do
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@moduledoc "Ensures that the resource has a primary key called `id`"
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use Ash.Dsl.Transformer
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alias Ash.Dsl.Transformer
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def transform(resource, dsl) do
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if Ash.Type.embedded_type?(resource) do
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{:ok, dsl}
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else
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primary_key =
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dsl
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|> Transformer.get_entities([:attributes])
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|> Enum.filter(& &1.primary_key?)
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case primary_key do
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[_single] ->
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{:ok, dsl}
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[_ | _] ->
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if AshGraphql.Resource.primary_key_delimiter(resource) do
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{:ok, dsl}
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else
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{:error,
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"AshGraphql requires a `primary_key_delimiter` to be set for composite primary keys."}
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end
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end
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end
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end
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end
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