+ def load_include_param
+ @include = params[:include]
+ if @include.nil? || @include == ""
+ @include = Set[]
+ elsif @include.is_a?(String) && @include.start_with?('[')
+ @include = SafeJSON.load(@include).to_set
+ elsif @include.is_a?(String)
+ @include = Set[@include]
+ else
+ return send_error("'include' parameter must be a string or array", status: 422)
+ end
+ end
+