Method: GraphQL::Schema::Resolver#resolve_with_support

Defined in:
lib/graphql/schema/resolver.rb

#resolve_with_support(**args) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

This method is actually called by the runtime, it does some preparation and then eventually calls the user-defined #resolve method.



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# File 'lib/graphql/schema/resolver.rb', line 65

def resolve_with_support(**args)
  # First call the ready? hook which may raise
  raw_ready_val = if !args.empty?
    ready?(**args)
  else
    ready?
  end
  context.query.after_lazy(raw_ready_val) do |ready_val|
    if ready_val.is_a?(Array)
      is_ready, ready_early_return = ready_val
      if is_ready != false
        raise "Unexpected result from #ready? (expected `true`, `false` or `[false, {...}]`): [#{is_ready.inspect}, #{ready_early_return.inspect}]"
      else
        ready_early_return
      end
    elsif ready_val
      # Then call each prepare hook, which may return a different value
      # for that argument, or may return a lazy object
      load_arguments_val = load_arguments(args)
      context.query.after_lazy(load_arguments_val) do |loaded_args|
        @prepared_arguments = loaded_args
        Schema::Validator.validate!(self.class.validators, object, context, loaded_args, as: @field)
        # Then call `authorized?`, which may raise or may return a lazy object
        raw_authorized_val = if !loaded_args.empty?
          authorized?(**loaded_args)
        else
          authorized?
        end
        context.query.after_lazy(raw_authorized_val) do |authorized_val|
          # If the `authorized?` returned two values, `false, early_return`,
          # then use the early return value instead of continuing
          if authorized_val.is_a?(Array)
            authorized_result, early_return = authorized_val
            if authorized_result == false
              early_return
            else
              raise "Unexpected result from #authorized? (expected `true`, `false` or `[false, {...}]`): [#{authorized_result.inspect}, #{early_return.inspect}]"
            end
          elsif authorized_val
            # Finally, all the hooks have passed, so resolve it
            call_resolve(loaded_args)
          else
            raise GraphQL::UnauthorizedFieldError.new(context: context, object: object, type: field.owner, field: field)
          end
        end
      end
    end
  end
end