function validateArgs()

in core/routemgmt/createApi/createApi.js [246:345]
86 lines of code
27 McCabe index (conditional complexity)

function validateArgs(message) {
  var tmpdoc;
  if(!message) {
    console.error('No message argument!');
    return 'Internal error.  A message parameter was not supplied.';
  }

  if (!message.gwUrl && !message.gwUrlV2) {
    return 'gwUrl is required.';
  }

  if (!message.__ow_user) {
    return 'A valid auth key is required.';
  }

  if(!message.apidoc) {
    return 'apidoc is required.';
  }
  if (typeof message.apidoc == 'object') {
    tmpdoc = message.apidoc;
  } else if (typeof message.apidoc === 'string') {
    try {
      tmpdoc = JSON.parse(message.apidoc);
    } catch (e) {
      return 'apidoc field cannot be parsed. Ensure it is valid JSON.';
    }
  } else {
    return 'apidoc field is of type ' + (typeof message.apidoc) + ' and should be a JSON object or a JSON string.';
  }

  if (!tmpdoc.namespace) {
    return 'apidoc is missing the namespace field';
  }

 var tmpSwaggerDoc;
  if(tmpdoc.swagger) {
    if (tmpdoc.gatewayBasePath) {
      return 'swagger and gatewayBasePath are mutually exclusive and cannot be specified together.';
    }
    if (typeof tmpdoc.swagger == 'object') {
      tmpSwaggerDoc = tmpdoc.swagger;
    } else if (typeof tmpdoc.swagger === 'string') {
      try {
        tmpSwaggerDoc = JSON.parse(tmpdoc.swagger);
      } catch (e) {
        return 'swagger field cannot be parsed. Ensure it is valid JSON.';
      }
    } else {
      return 'swagger field is ' + (typeof tmpdoc.swagger) + ' and should be an object or a JSON string.';
    }
    console.log('Swagger JSON object: ', tmpSwaggerDoc);
    if (!tmpSwaggerDoc.basePath) {
      return 'swagger is missing the basePath field.';
    }
    if (!tmpSwaggerDoc.paths) {
      return 'swagger is missing the paths field.';
    }
    if (!tmpSwaggerDoc.info) {
      return 'swagger is missing the info field.';
    }
  } else {
    if (!tmpdoc.gatewayBasePath) {
      return 'apidoc is missing the gatewayBasePath field';
    }

    if (!tmpdoc.gatewayPath) {
      return 'apidoc is missing the gatewayPath field';
    }

    if (!tmpdoc.gatewayMethod) {
      return 'apidoc is missing the gatewayMethod field';
    }

    if (!tmpdoc.action) {
      return 'apidoc is missing the action field.';
    }

    if (!tmpdoc.action.backendMethod) {
      return 'action is missing the backendMethod field.';
    }

    if (!tmpdoc.action.backendUrl) {
      return 'action is missing the backendUrl field.';
    }

    if (!tmpdoc.action.namespace) {
      return 'action is missing the namespace field.';
    }

    if(!tmpdoc.action.name) {
      return 'action is missing the name field.';
    }

    if (!tmpdoc.action.authkey) {
      return 'action is missing the authkey field.';
    }
  }

  return '';
}