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absinthe lib absinthe phase document validation result.ex
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lib/absinthe/phase/document/validation/result.ex

defmodule Absinthe.Phase.Document.Validation.Result do
@moduledoc false
# Collects validation errors into the result.
alias Absinthe.{Blueprint, Phase}
use Absinthe.Phase
@doc """
Run the validation.
"""
@spec run(Blueprint.t(), Keyword.t()) :: Phase.result_t()
def run(input, options \\ []) do
do_run(input, Map.new(options))
end
@spec do_run(Blueprint.t(), %{result_phase: Phase.t(), jump_phases: boolean}) ::
Phase.result_t()
def do_run(input, %{result_phase: abort_phase, jump_phases: jump}) do
{input, errors} = Blueprint.prewalk(input, [], &handle_node/2)
errors = :lists.reverse(errors)
result = put_in(input.execution.validation_errors, errors)
case {errors, jump} do
{[], _} ->
{:ok, result}
{_, false} ->
{:error, result}
_ ->
{:jump, result, abort_phase}
end
end
# Collect the validation errors from nodes
@spec handle_node(Blueprint.node_t(), [Phase.Error.t()]) ::
{Blueprint.node_t(), [Phase.Error.t()]}
defp handle_node(%{errors: errs} = node, errors) do
{node, :lists.reverse(errs) ++ errors}
end
defp handle_node(%{raw: raw} = node, errors) do
{_, errors} = Blueprint.prewalk(raw, errors, &handle_node/2)
{node, errors}
end
defp handle_node(node, acc), do: {node, acc}
end