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The JSON:API extension for the Ash Framework.
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lib/ash_json_api/resource/verifiers/verify_includes.ex
# SPDX-FileCopyrightText: 2019 ash_json_api contributors <https://github.com/ash-project/ash_json_api/graphs/contributors>
#
# SPDX-License-Identifier: MIT
defmodule AshJsonApi.Resource.Verifiers.VerifyIncludes do
@moduledoc "Verifies that all includes are valid public relationships"
use Spark.Dsl.Verifier
@impl true
def verify(dsl) do
AshJsonApi.Resource.Info.includes(dsl)
|> verify_includes(Spark.Dsl.Verifier.get_persisted(dsl, :module))
:ok
end
defp verify_includes(includes, resource, root_resource \\ nil, trail \\ [])
defp verify_includes(includes, resource, nil, trail) do
verify_includes(includes, resource, resource, trail)
end
defp verify_includes([], _resource, _root, _trail), do: :ok
defp verify_includes(includes, resource, root, trail) when is_list(includes) do
Enum.each(includes, &verify_includes(&1, resource, root, trail))
end
defp verify_includes(include, resource, root, trail) when is_atom(include) do
relationship = Ash.Resource.Info.relationship(resource, include)
if !relationship do
raise Spark.Error.DslError,
module: root,
path: [:json_api, :includes] ++ Enum.reverse(trail) ++ [include],
message: """
All includable relationships must be valid relationships.
There is no such relationship `#{inspect(resource)}.#{include}`
"""
end
if !relationship.public? do
raise Spark.Error.DslError,
module: root,
path: [:json_api, :includes] ++ Enum.reverse(trail) ++ [include],
message: """
All includable relationships must be public.
The relationship `#{inspect(resource)}.#{include}` is not public.
"""
end
end
defp verify_includes({include, further}, resource, root, trail) when is_atom(include) do
verify_includes(include, resource, root, trail)
relationship = Ash.Resource.Info.relationship(resource, include)
Enum.each(List.wrap(further), fn further ->
verify_includes(further, relationship.destination, root, [include | trail])
end)
end
end