Class: GraphQL::Execution::Batching::PrepareObjectStep

Inherits:
Object
  • Object
show all
Defined in:
lib/graphql/execution/batching/prepare_object_step.rb

Instance Method Summary collapse

Constructor Details

#initialize(static_type:, object:, runner:, graphql_result:, key:, is_non_null:, field_resolve_step:, next_objects:, next_results:, is_from_array:) ⇒ PrepareObjectStep

Returns a new instance of PrepareObjectStep.



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

def initialize(static_type:, object:, runner:, graphql_result:, key:, is_non_null:, field_resolve_step:, next_objects:, next_results:, is_from_array:)
  @static_type = static_type
  @object = object
  @runner = runner
  @field_resolve_step = field_resolve_step
  @is_non_null = is_non_null
  @next_objects = next_objects
  @next_results = next_results
  @graphql_result = graphql_result
  @resolved_type = nil
  @authorized_value = nil
  @authorization_error = nil
  @key = key
  @next_step = :resolve_type
  @is_from_array = is_from_array
end

Instance Method Details

#authorize ⇒ Object 



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# File 'lib/graphql/execution/batching/prepare_object_step.rb', line 55

def authorize
  ctx = @field_resolve_step.selections_step.query.context
  begin
    @authorized_value = @resolved_type.authorized?(@object, ctx)
  rescue GraphQL::UnauthorizedError => auth_err
    @authorization_error = auth_err
  end

  if @runner.resolves_lazies && @runner.schema.lazy?(@authorized_value)
    @runner.dataloader.lazy_at_depth(@field_resolve_step.path.size, self)
    @next_step = :create_result
  else
    create_result
  end
rescue GraphQL::Error => err
  @graphql_result[@key] = @field_resolve_step.add_graphql_error(err)
end

#call ⇒ Object 



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# File 'lib/graphql/execution/batching/prepare_object_step.rb', line 32

def call
  case @next_step
  when :resolve_type
    if @static_type.kind.abstract?
      @resolved_type, _ignored_value = @runner.schema.resolve_type(@static_type, @object, @field_resolve_step.selections_step.query.context)
    else
      @resolved_type = @static_type
    end
    if @runner.resolves_lazies && @runner.schema.lazy?(@resolved_type)
      @next_step = :authorize
      @runner.dataloader.lazy_at_depth(@field_resolve_step.path.size, self)
    else
      authorize
    end
  when :authorize
    authorize
  when :create_result
    create_result
  else
    raise ArgumentError, "This is a bug, unknown step: #{@next_step.inspect}"
  end
end

#create_result ⇒ Object 



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# File 'lib/graphql/execution/batching/prepare_object_step.rb', line 73

def create_result
  if !@authorized_value
    @authorization_error ||= GraphQL::UnauthorizedError.new(object: @object, type: @resolved_type, context: @field_resolve_step.selections_step.query.context)
  end

  if @authorization_error
    begin
      new_obj = @runner.schema.unauthorized_object(@authorization_error)
      if new_obj
        @authorized_value = true
        @object = new_obj
      elsif @is_non_null
        @graphql_result[@key] = @field_resolve_step.add_non_null_error(@is_from_array)
      else
        @graphql_result[@key] = @field_resolve_step.add_graphql_error(@authorization_error)
      end
    rescue GraphQL::Error => err
      if @is_non_null
        @graphql_result[@key] = @field_resolve_step.add_non_null_error(@is_from_array)
      else
        @graphql_result[@key] = @field_resolve_step.add_graphql_error(err)
      end
    end
  end

  if @authorized_value
    next_result_h = {}
    @next_results << next_result_h
    @next_objects << @object
    @graphql_result[@key] = next_result_h
    @runner.runtime_types_at_result[next_result_h] = @resolved_type
    @runner.static_types_at_result[next_result_h] = @static_type
  end

  @field_resolve_step.authorized_finished
end

#value ⇒ Object 



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# File 'lib/graphql/execution/batching/prepare_object_step.rb', line 23

def value
  if @authorized_value
    @authorized_value = @field_resolve_step.sync(@authorized_value)
  elsif @resolved_type
    @resolved_type, _ignored_value = @field_resolve_step.sync(@resolved_type)
  end
  @runner.add_step(self)
end