added restore_from_backup to frontend and task

tubearchivist/home/tasks.py

@@ -10,7 +10,7 @@ from celery import Celery, shared_task
 from home.src.config import AppConfig
 from home.src.download import ChannelSubscription, PendingList, VideoDownloader
 from home.src.helper import get_lock
-from home.src.index_management import backup_all_indexes
+from home.src.index_management import backup_all_indexes, restore_from_backup
 from home.src.reindex import ManualImport, reindex_old_documents
 
 CONFIG = AppConfig().config
@@ -94,3 +94,10 @@ def run_backup():
     """ called from settings page, dump backup to zip file """
     backup_all_indexes()
     print('backup finished')
+
+
+@shared_task
+def run_restore_backup():
+    """ called from settings page, dump backup to zip file """
+    restore_from_backup()
+    print('index restore finished')

tubearchivist/home/templates/home/settings.html

@@ -127,8 +127,12 @@
     </div>
 </div>
 <div class="settings-group">
-    <p>Restore from backup.</p>
-    <i>Coming soon</i>
+    <h2>Restore from backup</h2>
+    <p><span class="danger-zone">Danger Zone</span>: This will replace your existing index with the backup.</p>
+    <p>Add the backup zip file to the <span class="settings-current">cache/backup</span> folder.</p>
+    <div id="db-restore">
+        <button onclick="dbRestore()">Restore backup</button>
+    </div>
 </div>
 <div class="settings-group">
     <p>Rescan filesystem.</p>

tubearchivist/home/views.py

@@ -20,7 +20,8 @@ from home.src.helper import (get_dl_message, get_message, process_url_list,
                              set_message)
 from home.src.searching import Pagination, SearchHandler
 from home.tasks import (download_pending, download_single, extrac_dl,
-                        run_backup, run_manual_import, update_subscribed)
+                        run_backup, run_manual_import, run_restore_backup,
+                        update_subscribed)
 
 
 class HomeView(View):
@@ -461,7 +462,7 @@ class PostData:
         "watched", "rescan_pending", "ignore", "dl_pending",
         "unsubscribe", "sort_order", "hide_watched", "show_subed_only",
         "channel-search", "video-search", "dlnow", "manual-import",
-        "db-backup"
+        "db-backup", "db-restore"
     ]
 
     def __init__(self, post_dict):
@@ -536,6 +537,9 @@ class PostData:
             elif task == 'db-backup':
                 print('backing up database')
                 run_backup.delay()
+            elif task == 'db-restore':
+                print('restoring index from backup zip')
+                run_restore_backup.delay()
         return {'success': True}
 
     def search_channels(self, search_query):

tubearchivist/static/css/style.css

@@ -493,6 +493,11 @@ button:hover {
     min-width: 300px;
 }
 
+.danger-zone {
+    background-color: var(--highlight-error);
+    padding: 3px;
+}
+
 /* about */
 .about-section {
     padding: 20px 0;

tubearchivist/static/script.js

@@ -102,6 +102,17 @@ function dbBackup() {
     toReplace.appendChild(message);
 }
 
+function dbRestore() {
+    var payload = JSON.stringify({'db-restore': true});
+    sendPost(payload)
+    // clear button
+    var message = document.createElement('p');
+    message.innerText = 'restoring from backup';
+    var toReplace = document.getElementById('db-restore');
+    toReplace.innerHTML = '';
+    toReplace.appendChild(message);
+}
+
 // player
 function createPlayer(button) {
     var mediaUrl = button.getAttribute('data-src');