feat: cache ChallengeTrack & ChallengeType to avoid repeated DynamoDB lookups

.circleci/config.yml

@@ -71,6 +71,7 @@ workflows:
               only:
                 - develop
                 - fix/challenge-timelines-edit-routes
+                - test/performance-profile
 
       # Production builds are exectuted only on tagged commits to the
       # master branch.

config/default.js

@@ -101,5 +101,6 @@ module.exports = {
   ZENDESK_API_TOKEN: process.env.ZENDESK_API_TOKEN || '',
   ZENDESK_API_URL: process.env.ZENDESK_API_URL || '',
   ZENDESK_CUSTOM_FIELD_TAG_ID: process.env.ZENDESK_CUSTOM_FIELD_TAG_ID,
-  ZENDESK_DEFAULT_PRIORITY: process.env.ZENDESK_DEFAULT_PRIORITY || 'high'
+  ZENDESK_DEFAULT_PRIORITY: process.env.ZENDESK_DEFAULT_PRIORITY || 'high',
+  INTERNAL_CACHE_TTL: process.env.INTERNAL_CACHE_TTL || 1800
 }

docker/Dockerfile

@@ -1,5 +1,5 @@
 # Use the base image with Node.js
-FROM node:10.20-jessie
+FROM node:12.22.12-buster
 
 # Copy the current directory into the Docker image
 COPY . /challenge-api

package.json

@@ -38,14 +38,14 @@
     "standard": "^12.0.1"
   },
   "dependencies": {
-    "aws-sdk": "^2.466.0",
+    "aws-sdk": "^2.1145.0",
     "axios": "^0.19.0",
     "bluebird": "^3.5.1",
     "body-parser": "^1.15.1",
     "config": "^3.0.1",
     "cors": "^2.7.1",
     "dotenv": "^8.2.0",
-    "dynamoose": "^1.8.0",
+    "dynamoose": "^1.11.1",
     "elasticsearch": "^16.1.1",
     "express": "^4.15.4",
     "express-fileupload": "^1.1.6",
@@ -57,6 +57,7 @@
     "jsonwebtoken": "^8.3.0",
     "lodash": "^4.17.19",
     "moment": "^2.24.0",
+    "node-cache": "^5.1.2",
     "swagger-ui-express": "^4.1.3",
     "tc-core-library-js": "appirio-tech/tc-core-library-js.git#v2.6.4",
     "topcoder-bus-api-wrapper": "topcoder-platform/tc-bus-api-wrapper.git",
@@ -77,6 +78,6 @@
     "node": "10.x"
   },
   "volta": {
-    "node": "10.22.1"
+    "node": "12.22.12"
   }
 }

src/common/helper.js

@@ -15,7 +15,7 @@ const m2m = m2mAuth(_.pick(config, ['AUTH0_URL', 'AUTH0_AUDIENCE', 'TOKEN_CACHE_
 const axios = require('axios')
 const busApi = require('topcoder-bus-api-wrapper')
 const elasticsearch = require('elasticsearch')
-const moment = require('moment')
+const NodeCache = require('node-cache')
 const HttpStatus = require('http-status-codes')
 const xss = require('xss')
 const logger = require('./logger')
@@ -48,6 +48,9 @@ function wrapExpress (fn) {
   }
 }
 
+// Internal cache
+const internalCache = new NodeCache({ stdTTL: config.INTERNAL_CACHE_TTL })
+
 /**
  * Wrap all functions from object
  * @param obj the object (controller exports)
@@ -447,7 +450,7 @@ async function createResource (challengeId, memberHandle, roleId) {
  * @param {String} description The description
  * @param {String} type The type
  * @param {String} token The token
- * @returns 
+ * @returns
  */
 async function createSelfServiceProject (name, description, type, token) {
   const projectObj = {
@@ -456,15 +459,15 @@ async function createSelfServiceProject (name, description, type, token) {
     type
   }
   const url = `${config.PROJECTS_API_URL}`
-  const res = await axios.post(url, projectObj, {headers: {Authorization: `Bearer ${token}`}})
+  const res = await axios.post(url, projectObj, { headers: { Authorization: `Bearer ${token}` } })
   return _.get(res, 'data.id')
 }
 
 /**
  * Get project payment
  * @param {String} projectId the project id
  */
- async function getProjectPayment (projectId) {
+async function getProjectPayment (projectId) {
   const token = await getM2MToken()
   const url = `${config.CUSTOMER_PAYMENTS_URL}`
   const res = await axios.get(url, {
@@ -473,7 +476,7 @@ async function createSelfServiceProject (name, description, type, token) {
       referenceId: projectId,
       reference: 'project'
     }
- })
+  })
   const [payment] = res.data
   return payment
 }
@@ -514,7 +517,7 @@ async function cancelPayment (paymentId) {
  * @param {String} cancelReason the cancel reasonn
  * @param {Object} currentUser the current user
  */
- async function cancelProject (projectId, cancelReason, currentUser) {
+async function cancelProject (projectId, cancelReason, currentUser) {
   let payment = await getProjectPayment(projectId)
   const project = await ensureProjectExist(projectId, currentUser)
   if (project.status === 'cancelled') return // already canceled
@@ -998,7 +1001,7 @@ async function validateChallengeTerms (terms = []) {
 async function _filterChallengesByGroupsAccess (currentUser, challenges) {
   const res = []
   const needToCheckForGroupAccess = !currentUser ? true : !currentUser.isMachine && !hasAdminRole(currentUser)
-  if(!needToCheckForGroupAccess) return challenges
+  if (!needToCheckForGroupAccess) return challenges
 
   let userGroups
 
@@ -1234,6 +1237,14 @@ async function submitZendeskRequest (request) {
   }
 }
 
+function getFromInternalCache (key) {
+  return internalCache.get(key)
+}
+
+function setToInternalCache (key, value) {
+  internalCache.set(key, value)
+}
+
 module.exports = {
   wrapExpress,
   autoWrapExpress,
@@ -1287,5 +1298,7 @@ module.exports = {
   sendSelfServiceNotification,
   getMemberByHandle,
   submitZendeskRequest,
-  updateSelfServiceProjectInfo
+  updateSelfServiceProjectInfo,
+  getFromInternalCache,
+  setToInternalCache
 }