@vara/custom-logic-sdk/src/route-handlers/action-executor.js

Server Side JavaScript SDK for Custom Business Logic

const _ = require('lodash');

const clFnRegistry = require('../services/fn-registry');
const customError = require('../services/custom-error');
const fnExecutorSvc = require('../services/fn-executor-svc');
const ApplicationErrors = require('../constants/application-errors.json');
const logSvc = require('../services/log-svc');

const { ResourceNotFoundError, InternalError } = ApplicationErrors;

async function clActionExecutor(req, res, next) {
  const logPrefix = 'RouteHandler#clActionExecutor';
  const clActionName = _.get(req, 'params.name');
  const clAction = clFnRegistry.getClAction(clActionName);

  const logCtx = {
    clActionName,
  };

  if (!clAction) {
    const resourceNotFoundErr = customError(ResourceNotFoundError.name, `Custom Logic Action: ${clActionName} was not found`);
    logSvc.logWarning(resourceNotFoundErr, logCtx, logPrefix);
    return next(resourceNotFoundErr);
  }

  try {
    const { context, done } = fnExecutorSvc.buildClActionParams(req, res, next);
    return await fnExecutorSvc.execHandler(clAction.handler, context, done);
  } catch (err) {
    const internalErr = customError(InternalError.name, null, { innerError: err });
    logSvc.logError(internalErr, logCtx, logPrefix, `Custom Logic Action: ${clActionName} failed;`);
    return next(internalErr);
  }
}

module.exports = clActionExecutor;