➕ Adding auto backup integration (Using Cron)

nextcloud_backup/rootfs/opt/nextcloud_backup/app.js

@@ -64,6 +64,8 @@ webdav.confIsValid().then(
   }
 )
 
+const cronTools = require('./tools/cronTools');
+cronTools.startCron();
 
 
 module.exports = app;

nextcloud_backup/rootfs/opt/nextcloud_backup/package-lock.json

@@ -299,6 +299,14 @@
       "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
       "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
     },
+    "cron": {
+      "version": "1.7.2",
+      "resolved": "https://registry.npmjs.org/cron/-/cron-1.7.2.tgz",
+      "integrity": "sha512-+SaJ2OfeRvfQqwXQ2kgr0Y5pzBR/lijf5OpnnaruwWnmI799JfWr2jN2ItOV9s3A/+TFOt6mxvKzQq5F0Jp6VQ==",
+      "requires": {
+        "moment-timezone": "^0.5.x"
+      }
+    },
     "cross-spawn": {
       "version": "6.0.5",
       "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-6.0.5.tgz",
@@ -1167,6 +1175,14 @@
       "resolved": "https://registry.npmjs.org/moment/-/moment-2.24.0.tgz",
       "integrity": "sha512-bV7f+6l2QigeBBZSM/6yTNq4P2fNpSWj/0e7jQcy87A8e7o2nAfP/34/2ky5Vw4B9S446EtIhodAzkFCcR4dQg=="
     },
+    "moment-timezone": {
+      "version": "0.5.27",
+      "resolved": "https://registry.npmjs.org/moment-timezone/-/moment-timezone-0.5.27.tgz",
+      "integrity": "sha512-EIKQs7h5sAsjhPCqN6ggx6cEbs94GK050254TIJySD1bzoM5JTYDwAU1IoVOeTOL6Gm27kYJ51/uuvq1kIlrbw==",
+      "requires": {
+        "moment": ">= 2.9.0"
+      }
+    },
     "morgan": {
       "version": "1.9.1",
       "resolved": "https://registry.npmjs.org/morgan/-/morgan-1.9.1.tgz",

nextcloud_backup/rootfs/opt/nextcloud_backup/package.json

@@ -7,6 +7,7 @@
   },
   "dependencies": {
     "cookie-parser": "~1.4.4",
+    "cron": "^1.7.2",
     "debug": "~2.6.9",
     "ejs": "~2.6.1",
     "express": "~4.16.1",

nextcloud_backup/rootfs/opt/nextcloud_backup/routes/api.js

@@ -15,6 +15,7 @@ const cronTools = require('../tools/cronTools');
 
 
 router.get('/status', (req, res, next) => {
+    cronTools.updatetNextDate();
     let status = statusTools.getStatus();
     res.json(status);
 });
@@ -26,8 +27,8 @@ router.get('/status', (req, res, next) => {
 router.get('/formated-local-snap', function(req, res, next) {
     hassioApiTools.getSnapshots().then(
         (snaps) => {
-            snaps.sort((a, b) =>{
+            snaps.sort((a, b) => {
-                if(moment(a.date).isBefore(moment(b.date)))
+                if (moment(a.date).isBefore(moment(b.date)))
                     return 1;
                 else
                     return -1;
@@ -88,6 +89,13 @@ router.get('/nextcloud-settings', function(req, res, next) {
 router.post('/manual-backup', function(req, res, next) {
     let id = req.query.id;
     let name = req.query.name;
+    let status = statusTools.getStatus();
+    if (status.status == "creating" && status.status == "upload" && status.status == "download"){
+        res.status(503);
+        res.send();
+        return;
+    }
+        
     hassioApiTools.downloadSnapshot(id)
         .then(() => {
             webdav.uploadFile(id, '/Hassio Backup/Manual/' + name + '.tar');
@@ -103,6 +111,12 @@ router.post('/manual-backup', function(req, res, next) {
 
 router.post('/new-backup', function(req, res, next) {
 
+    let status = statusTools.getStatus();
+    if (status.status == "creating" && status.status == "upload" && status.status == "download"){
+        res.status(503);
+        res.send();
+        return;
+    }
     let name = 'Manual-' + moment().format('YYYY-MM-DD_HH:mm');
     hassioApiTools.createNewBackup(name).then((id) => {
         hassioApiTools.downloadSnapshot(id)
@@ -119,17 +133,17 @@ router.post('/new-backup', function(req, res, next) {
 });
 
 
-router.get('/backup-settings', function(req, res, next){
+router.get('/backup-settings', function(req, res, next) {
     res.send(settingsTools.getSettings());
 });
 
-router.post('/backup-settings', function(req, res, next){
+router.post('/backup-settings', function(req, res, next) {
-    //TODO check if config is valid
+    if (cronTools.checkConfig(req.body)) {
-    if(cronTools.checkConfig(req.body)){
         settingsTools.setSettings(req.body);
+        cronTools.startCron();
         res.send();
     }
-    else{
+    else {
         res.status(400);
         res.send();
     }

nextcloud_backup/rootfs/opt/nextcloud_backup/tools/cronTools.js

@@ -1,4 +1,14 @@
+const settingsTools = require('./settingsTools');
 
+const WebdavTools = require('./webdavTools')
+const webdav = new WebdavTools().getInstance();
+
+const hassioApiTools = require('./hassioApiTools');
+
+const statusTools = require('./status');
+
+var CronJob = require('cron').CronJob;
+const moment = require('moment');
 
 function checkConfig(conf) {
     if (conf.cron_base != null) {
@@ -18,14 +28,14 @@ function checkConfig(conf) {
                 return false;
         }
 
-        if ( conf.cron_base == '3'){
+        if (conf.cron_base == '3') {
             if (conf.cron_month_day != null && conf.cron_month_day >= 1 && conf.cron_month_day <= 28)
                 return true;
             else
                 return false;
         }
 
-        if(conf.cron_base == '0')
+        if (conf.cron_base == '0')
             return true
     }
     else
@@ -34,4 +44,103 @@ function checkConfig(conf) {
     return false;
 }
 
+function startCron() {
+    let cronContainer = new Singleton().getInstance();
+    cronContainer.init();
+}
+
+function updatetNextDate(){
+    let cronContainer = new Singleton().getInstance();
+    cronContainer.updatetNextDate();
+}
+
+
+class CronContainer {
+    constructor() {
+        this.cronJob = null;
+    }
+
+    init() {
+        let settings = settingsTools.getSettings();
+        let cronStr = "";
+        if (this.cronJob != null) {
+            console.log("Stoping Cron...")
+            this.cronJob.stop();
+            this.cronJob = null;
+        }
+        switch (settings.cron_base) {
+            case '0':
+                console.log("No Cron settings available.")
+                return;
+            case '1': {
+                let splited = settings.cron_hour.split(':');
+                cronStr = "" + splited[1] + " " + splited[0] + " * * *";
+                break;
+            }
+
+            case '2': {
+                let splited = settings.cron_hour.split(':');
+                cronStr = "" + splited[1] + " " + splited[0] + " * * " + settings.cron_weekday;
+                break;
+            }
+
+            case '3': {
+                let splited = settings.cron_hour.split(':');
+                cronStr = "" + splited[1] + " " + splited[0] + " " + settings.cron_month_day + " * *";
+                break;
+            }
+
+
+        }
+        console.log("Starting Cron...")
+        this.cronJob = new CronJob(cronStr, this._createBackup, null, false, Intl.DateTimeFormat().resolvedOptions().timeZone);
+        this.cronJob.start();
+        this.updatetNextDate();
+    }
+
+    updatetNextDate() {
+        let date;
+        if( this.cronJob == null)
+            date = "Not configured";
+        else
+            date = this.cronJob.nextDate().format('MMM D, YYYY HH:mm');
+        let status = statusTools.getStatus();
+        status.next_backup = date;
+        statusTools.setStatus(status);
+    }
+
+    _createBackup() {
+        let status = statusTools.getStatus();
+        if(status.status == "creating" &&  status.status == "upload" &&  status.status == "download")
+            return;
+        
+        let name = 'Auto-' + moment().format('YYYY-MM-DD_HH:mm');
+        hassioApiTools.createNewBackup(name).then((id) => {
+            hassioApiTools.downloadSnapshot(id)
+                .then(() => {
+                    webdav.uploadFile(id, '/Hassio Backup/Auto/' + name + '.tar');
+                }).catch(() => {
+
+                })
+        }).catch(() => {
+
+        })
+    }
+}
+
+
+class Singleton {
+    constructor() {
+        if (!Singleton.instance) {
+            Singleton.instance = new CronContainer();
+        }
+    }
+
+    getInstance() {
+        return Singleton.instance;
+    }
+}
+
 exports.checkConfig = checkConfig;
+exports.startCron = startCron;
+exports.updatetNextDate = updatetNextDate;

nextcloud_backup/rootfs/opt/nextcloud_backup/views/index.ejs

@@ -125,7 +125,7 @@
           <div class="card-content">
             <span class="card-title white-text" style="font-weight: bold;">Next Backup </span>
             <div class="divider"></div>
-            <h5 id="next_back_status"></h5>
+            <h6 class="white-text" id="next_back_status"></h6>
           </div>
         </div>
       </div>
@@ -241,13 +241,13 @@
       <div class="row hide">
         <div class="input-field col s12">
           <select id="cron-drop-day">
-            <option value="0">Monday</option>
+            <option value="1">Monday</option>
-            <option value="1">Tuesday</option>
+            <option value="2">Tuesday</option>
-            <option value="2">Wednesday</option>
+            <option value="3">Wednesday</option>
-            <option value="3">Thursday</option>
+            <option value="4">Thursday</option>
-            <option value="4">Friday</option>
+            <option value="5">Friday</option>
-            <option value="5">Saturday</option>
+            <option value="6">Saturday</option>
-            <option value="6">Sunday</option>
+            <option value="0">Sunday</option>
           </select>
           <label>Day</label>
         </div>
@@ -414,6 +414,10 @@
           if ($('#last_back_status').html() != data.last_backup)
             $('#last_back_status').html(data.last_backup);
         }
+        if (data.next_backup != null) {
+          if ($('#next_back_status').html() != data.next_backup)
+            $('#next_back_status').html(data.next_backup);
+        }
       }