Merge pull request #512 from topcoder-platform/Topgear-check-challenge

support a checkIfExists query parameter

Author: ThomasKranitsas

src/controllers/ChallengeController.js

@@ -54,7 +54,7 @@ async function sendNotifications (req, res) {
  * @param {Object} res the response
  */
 async function getChallenge (req, res) {
-  const result = await service.getChallenge(req.authUser, req.params.challengeId)
+  const result = await service.getChallenge(req.authUser, req.params.challengeId, req.query.checkIfExists)
   res.send(result)
 }
 

src/services/ChallengeService.js

@@ -1245,9 +1245,10 @@ async function getPhasesAndPopulate (data) {
  * Get challenge.
  * @param {Object} currentUser the user who perform operation
  * @param {String} id the challenge id
+ * @param {Boolean} checkIfExists flag to check if challenge exists
  * @returns {Object} the challenge with given id
  */
-async function getChallenge (currentUser, id) {
+async function getChallenge (currentUser, id, checkIfExists) {
   const span = await logger.startSpan('ChallengeService.getChallenge')
   // get challenge from Elasticsearch
   let challenge
@@ -1272,6 +1273,10 @@ async function getChallenge (currentUser, id) {
       throw e
     }
   }
+  if (checkIfExists) {
+    return _.pick(challenge, ['id', 'legacyId'])
+  }
+
   await helper.ensureUserCanViewChallenge(currentUser, challenge)
 
   // // FIXME: Temporarily hard coded as the migrad
@@ -1318,7 +1323,8 @@ async function getChallenge (currentUser, id) {
 
 getChallenge.schema = {
   currentUser: Joi.any(),
-  id: Joi.id()
+  id: Joi.id(),
+  checkIfExists: Joi.boolean()
 }
 
 /**