Add field to skip backup for an app

This skips the app from a backup when doing a full box backup and
simply reuses the previous backup.

The app can still be explicitly backed up using 'cloudron backup'
and explicitly restored using 'cloudron restore --backup'.

When restoring the box, it all depends on the app's last backup.

Fixes #311

webadmin/src/js/client.js

@@ -338,7 +338,8 @@ angular.module('Application').service('Client', ['$http', 'md5', 'Notification',
             memoryLimit: config.memoryLimit,
             altDomain: config.altDomain || null,
             xFrameOptions: config.xFrameOptions,
-            robotsTxt: config.robotsTxt || null
+            robotsTxt: config.robotsTxt || null,
+            enableBackup: config.enableBackup
         };
 
         post('/api/v1/apps/' + id + '/configure', data).success(function (data, status) {

webadmin/src/views/apps.html

@@ -133,6 +133,11 @@
                                 <textarea ng-model="appConfigure.robotsTxt" placeholder="Leave empty to allow all bots to index this app." class="form-control" rows="3"></textarea>
                             </div>
 
+                            <div class="form-group">
+                                <input type="checkbox" id="appConfigureEnableBackup" ng-model="appConfigure.enableBackup">
+                                <label class="control-label" for="appConfigureEnableBackup">Enable backups</label>
+                            </div>
+
                             <div class="hide">
                                 <label class="control-label" for="appConfigureCertificateInput" ng-show="config.isCustomDomain">Certificate (optional)</label>
                                 <div class="has-error text-center" ng-show="appConfigure.error.cert && config.isCustomDomain">{{ appConfigure.error.cert }}</div>

webadmin/src/views/apps.js

@@ -122,6 +122,7 @@ angular.module('Application').controller('AppsController', ['$scope', '$location
         $scope.appConfigure.xFrameOptions = '';
         $scope.appConfigure.customAuth = false;
         $scope.appConfigure.robotsTxt = '';
+        $scope.appConfigure.enableBackup = true;
 
         $scope.appConfigureForm.$setPristine();
         $scope.appConfigureForm.$setUntouched();
@@ -215,6 +216,7 @@ angular.module('Application').controller('AppsController', ['$scope', '$location
         $scope.appConfigure.xFrameOptions = app.xFrameOptions.indexOf('ALLOW-FROM') === 0 ? app.xFrameOptions.split(' ')[1] : '';
         $scope.appConfigure.customAuth = !(app.manifest.addons['ldap'] || app.manifest.addons['oauth']);
         $scope.appConfigure.robotsTxt = app.robotsTxt;
+        $scope.appConfigure.enableBackup = app.enableBackup;
 
         // create ticks starting from manifest memory limit
         $scope.appConfigure.memoryTicks = [
@@ -268,7 +270,8 @@ angular.module('Application').controller('AppsController', ['$scope', '$location
             key: $scope.appConfigure.keyFile,
             xFrameOptions: $scope.appConfigure.xFrameOptions ? ('ALLOW-FROM ' + $scope.appConfigure.xFrameOptions) : 'SAMEORIGIN',
             memoryLimit: $scope.appConfigure.memoryLimit === $scope.appConfigure.memoryTicks[0] ? 0 : $scope.appConfigure.memoryLimit,
-            robotsTxt: $scope.appConfigure.robotsTxt
+            robotsTxt: $scope.appConfigure.robotsTxt,
+            enableBackup: $scope.appConfigure.enableBackup
         };
 
         Client.configureApp($scope.appConfigure.app.id, $scope.appConfigure.password, data, function (error) {