applications/luci-app-nlbwmon/htdocs/luci-static/resources/view/nlbw/backup.js

   1 'use strict';
   2 'require view';
   3 'require ui';
   4 'require fs';
   5
   6 return view.extend({
   7         load: function() {
   8                 return fs.trimmed('/proc/sys/kernel/hostname');
   9         },
  10
  11         handleArchiveUpload: function(ev) {
  12                 return ui.uploadFile('/tmp/nlbw-restore.tar.gz').then(function() {
  13                         return fs.exec('/usr/libexec/nlbwmon-action', [ 'restore' ]).then(function(res) {
  14                                 if (res.code != 0)
  15                                         throw new Error(res.stderr || res.stdout);
  16
  17                                 var json = JSON.parse(res.stdout || '{}'),
  18                                     list = (L.isObject(json) && Array.isArray(json.restored)) ? json.restored : [];
  19
  20                                 ui.showModal(_('Restore complete'), [
  21                                         E('p', [ _('The following database files have been restored:') ]),
  22                                         E('ul', list.map(function(file) { return E('li', [ file ]) })),
  23                                         E('div', { 'class': 'right' }, [
  24                                                 E('button', { 'click': ui.hideModal }, [ _('Dismiss') ])
  25                                         ])
  26                                 ]);
  27                         }).catch(function(err) {
  28                                 ui.addNotification(null, E('p', [ _('Failed to restore backup archive: %s').format(err.message) ]));
  29                         });
  30                 });
  31         },
  32
  33         handleArchiveDownload: function(hostname, ev) {
  34                 return fs.exec_direct('/usr/libexec/nlbwmon-action', [ 'backup' ], 'blob').then(function(blob) {
  35                         var url = window.URL.createObjectURL(blob),
  36                             date = new Date(),
  37                             name = 'nlbwmon-backup-%s-%04d-%02d-%02d.tar.gz'.format(hostname, date.getFullYear(), date.getMonth() + 1, date.getDate()),
  38                             link = E('a', { 'style': 'display:none', 'href': url, 'download': name });
  39
  40                         document.body.appendChild(link);
  41                         link.click();
  42                         document.body.removeChild(link);
  43                         window.URL.revokeObjectURL(url);
  44                 }).catch(function(err) {
  45                         ui.addNotification(null, E('p', [ _('Failed to download backup archive: %s').format(err.message) ]));
  46                 });
  47         },
  48
  49         render: function(hostname) {
  50                 return E([], [
  51                         E('h2', [ _('Netlink Bandwidth Monitor - Backup / Restore') ]),
  52                         E('h5', [ _('Restore Database Backup') ]),
  53                         E('p', [
  54                                 E('button', {
  55                                         'click': ui.createHandlerFn(this, 'handleArchiveUpload')
  56                                 }, [ _('Restore') ])
  57                         ]),
  58                         E('h5', [ _('Download Database Backup') ]),
  59                         E('p', [
  60                                 E('button', {
  61                                         'click': ui.createHandlerFn(this, 'handleArchiveDownload', hostname)
  62                                 }, [ _('Generate Backup') ])
  63                         ])
  64                 ]);
  65         },
  66
  67         handleSave: null,
  68         handleSaveApply: null,
  69         handleReset: null
  70 });