changelog delete

src/db.ts

@@ -2,12 +2,14 @@ import mongoose from 'mongoose';
 import cfenv from 'cfenv';
 import _ from 'lodash';
 import ChangelogModel from './models/changelog';
+import cron from 'node-cron';
 
 
 // database urls, prod db url is retrieved automatically
 const TESTING_URL = 'mongodb://localhost/dfopdb_test';
 const DEV_URL = 'mongodb://localhost/dfopdb';
 const debugging = true;
+const changelogKeepDays = 30;  // days to keep the changelog
 
 if (process.env.NODE_ENV !== 'production' && debugging) {
   mongoose.set('debug', true);  // enable mongoose debug
@@ -78,6 +80,16 @@ export default class db {
       this.state.db = mongoose.connection;
       done();
     });
+
+    if (mode !== 'test') {  // clear old changelog regularly
+      cron.schedule('0 0 * * *', () => {
+        ChangelogModel.deleteMany({_id: {$lt:  // id from time
+          Math.floor(new Date().getTime() / 1000 - changelogKeepDays * 24 * 60 * 60).toString(16) + '0000000000000000'
+        }}).log({method: 'scheduled changelog delete', url: '', authDetails: {}}).lean().exec(err => {
+          if (err) console.error(err);
+        });
+      });
+    }
   }
 
   static disconnect (done) {