Module: GraphQL::Execution::Batching::FieldCompatibility

Defined in:
lib/graphql/execution/batching/field_compatibility.rb

Instance Method Summary collapse

Instance Method Details

#resolve_all_load_arguments(frs, object_from_id_receiver, arguments, argument_owner, context) ⇒ Object 



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# File 'lib/graphql/execution/batching/field_compatibility.rb', line 6

def resolve_all_load_arguments(frs, object_from_id_receiver, arguments, argument_owner, context)
  arg_defns = context.types.arguments(argument_owner)
  arg_defns.each do |arg_defn|
    if arg_defn.loads
      if arguments.key?(arg_defn.keyword)
        id = arguments.delete(arg_defn.keyword)
        if !id.nil?
          value = if arg_defn.type.list?
            id.map {  |inner_id|
              object_from_id_receiver.load_and_authorize_application_object(arg_defn, inner_id, context)
            }
          else
            object_from_id_receiver.load_and_authorize_application_object(arg_defn, id, context)
          end

          if frs.runner.resolves_lazies
            value = frs.sync(value)
          end
          if value.is_a?(GraphQL::Error)
            value.path = frs.path
            return value
          end
        else
          value = nil
        end
        arguments[arg_defn.keyword] = value
      end
    elsif (input_type = arg_defn.type.unwrap).kind.input_object? &&
        (value = arguments[arg_defn.keyword]) # TODO lists
      resolve_all_load_arguments(frs, object_from_id_receiver, value, input_type, context)
    end
  end
  nil
end

#resolve_batch(frs, objects, context, kwargs) ⇒ Object 



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# File 'lib/graphql/execution/batching/field_compatibility.rb', line 41

def resolve_batch(frs, objects, context, kwargs)
  if @batch_mode && !:direct_send.equal?(@batch_mode)
    return super
  end

  if !@resolver_class
    maybe_err = resolve_all_load_arguments(frs, self, kwargs, self, context)
    if maybe_err
      return maybe_err
    end
  end
  if extras.include?(:lookahead)
    if kwargs.frozen?
      kwargs = kwargs.dup
    end
    kwargs[:lookahead] = Execution::Lookahead.new(
      query: context.query,
      ast_nodes: frs.ast_nodes || Array(frs.ast_node),
      field: self,
    )
  end

  if extras.include?(:ast_node)
    if kwargs.frozen?
      kwargs = kwargs.dup
    end
    kwargs[:ast_node] = frs.ast_node
  end

  if @owner.method_defined?(@resolver_method)
    results = []
    frs.selections_step.graphql_objects.each_with_index do |obj_inst, idx|
      if frs.object_is_authorized[idx]
        if dynamic_introspection
          obj_inst = @owner.wrap(obj_inst, context)
        end
        results << with_extensions(obj_inst, kwargs, context) do |obj, ruby_kwargs|
          if ruby_kwargs.empty?
            obj.public_send(@resolver_method)
          else
            obj.public_send(@resolver_method, **ruby_kwargs)
          end
        end
      end
    end
    results
  elsif @resolver_class
    objects.map do |o|
      resolver_inst_kwargs = kwargs.dup
      resolver_inst = @resolver_class.new(object: o, context: context, field: self)
      maybe_err = resolve_all_load_arguments(frs, resolver_inst, resolver_inst_kwargs, self, context)
      if maybe_err
        next maybe_err
      end
      resolver_inst_kwargs = if @resolver_class < Schema::HasSingleInputArgument
        resolver_inst_kwargs[:input]
      else
        resolver_inst_kwargs
      end
      with_extensions(o, resolver_inst_kwargs, context) do |obj, ruby_kwargs|
        resolver_inst.object = obj
        resolver_inst.prepared_arguments = ruby_kwargs
        is_authed, new_return_value = resolver_inst.authorized?(**ruby_kwargs)
        if frs.runner.resolves_lazies && frs.runner.schema.lazy?(is_authed)
          is_authed, new_return_value = frs.runner.schema.sync_lazy(is_authed)
        end
        if is_authed
          resolver_inst.call_resolve(ruby_kwargs)
        else
          new_return_value
        end
      end
    rescue RuntimeError => err
      err
    rescue StandardError => stderr
      begin
        context.query.handle_or_reraise(stderr)
      rescue GraphQL::ExecutionError => ex_err
        ex_err
      end
    end
  elsif objects.first.is_a?(Hash)
    objects.map { |o| o[method_sym] || o[graphql_name] }
  elsif objects.first.is_a?(Interpreter::RawValue)
    objects
  else
    # need to use connection extension if present, and extensions expect object type instances
    if extensions.empty?
      objects.map { |o| o.public_send(@method_sym)}
    else
      results = []
      frs.selections_step.graphql_objects.each_with_index do |obj_inst, idx|
        if frs.object_is_authorized[idx]
          results << with_extensions(obj_inst, EmptyObjects::EMPTY_HASH, context) do |obj, arguments|
            if arguments.empty?
              obj.object.public_send(@method_sym)
            else
              obj.object.public_send(@method_sym, **arguments)
            end
          end
        end
      end
      results
    end
  end
end