[ develop | DONE | ADDED] Cache services: add initialization method to initiate grouped requests from utils service. Init after clear and when cache starts

services/cache/mecache/beta-properties.file

@@ -1 +1,2 @@
 port = 4000
+utilsService = https://beta.explore.openaire.eu/utils-service

services/cache/mecache/cache.js

@@ -1,5 +1,5 @@
 'use strict';
-
+const axios = require('axios');
 let express = require('express');
 let app = express();
 let mcache = require('memory-cache');
@@ -142,6 +142,7 @@ const server = app.listen(properties.get('port'), function () {
     console.log(`Example app listening on port`, server.address().port)
     //run the timer
     resetAtMidnight();
+    initCache();
 });
 
 function getResponse(code, message) {
@@ -155,6 +156,18 @@ function clearCache() {
     console.log("cache is cleared!");
     mcache.clear();
     entries.set(mcache.size());
+    initCache();
+}
+
+async function initCache() {
+    try {
+    const  requests = await axios.get(properties.get('utilsService') + '/grouped-requests');
+    const additionalDataPromises = requests.data.map((url) => axios.get('http://localhost:'+properties.get('port') + '/get?url=' + properties.get('utilsService') + url));
+    const additionalDataResponses = await Promise.all(additionalDataPromises);
+    console.log("Cache initialized!")
+    } catch (error) {
+        console.error('Error fetching data: Cache initialize failed', error.message);
+    }
 }
 
 function checkForLongCachedRequests(url) {

services/cache/mecache/package.json

@@ -10,6 +10,7 @@
     "prepare-prod": " npm run prepare-dist; cp production-properties.file ./dist/properties.file"
   },
   "dependencies": {
+    "axios": "^1.6.7",
     "cors": "^2.8.5",
     "express": "^4.18.2",
     "memory-cache": "^0.2.0",

services/cache/mecache/production-properties.file

@@ -1 +1,2 @@
 port = 4000
+utilsService = https://explore.openaire.eu/utils-service

services/cache/mecache/properties.file

@@ -1 +1,2 @@
 port = 3200
+utilsService= http://scoobydoo.di.uoa.gr:8000