add day param

Author: AlexandreDewilde

src/config/config dist.json

@@ -5,6 +5,7 @@
     "HOST": "localhost",
     "PORT": 5000,
     "DB_URL": "mongodb://host:port/?retryWrites=true&w=majority",
+    "DAYS_TO_DELETE_DOCUMENT": 7,
     "DISCORD_WEBHOOK": null,
     "SSL": false,
     "KEY_FILE_SSL": null,

src/db/MongoDB.js

@@ -158,7 +158,7 @@ class MongoDB {
         this.changeParam(documentLink, 'lastViewedDate', Date.now());
     }
 
-    async deleteOldDocuments(days=2) {
+    async deleteOldDocuments(days) {
         const oldTimestamp = Date.now() - 1000 * 60 * 60 * 24 * days;
         this.documentsCollection.deleteMany({'lastViewedDate': {$lt : oldTimestamp} });
     }

src/socket/socket.js

@@ -158,7 +158,7 @@ module.exports = function (wss) {
 
 	// delete old documents
 	setInterval(() => {
-		db.deleteOldDocuments();
+		db.deleteOldDocuments(config.DAYS_TO_DELETE_DOCUMENT);
 	}, 1000 * 60 * 60 * 24);