Added ability to backup remote DB

Added ability to restore DB

src/app/dialogs/restore-db-dialog/restore-db-dialog.component.ts

@@ -0,0 +1,47 @@
+import { Component, Inject, OnInit } from '@angular/core';
+import { MatDialogRef, MAT_DIALOG_DATA } from '@angular/material/dialog';
+import { PostsService } from 'app/posts.services';
+
+@Component({
+  selector: 'app-restore-db-dialog',
+  templateUrl: './restore-db-dialog.component.html',
+  styleUrls: ['./restore-db-dialog.component.scss']
+})
+export class RestoreDbDialogComponent implements OnInit {
+
+  db_backups = [];
+  selected_backup = null;
+  restoring = false;
+
+  constructor(@Inject(MAT_DIALOG_DATA) public data: any, private dialogRef: MatDialogRef<RestoreDbDialogComponent>, private postsService: PostsService) {
+    if (this.data?.db_backups) {
+      this.db_backups = this.data.db_backups;
+    }
+
+    this.getDBBackups();
+  }
+
+  ngOnInit(): void {
+  }
+
+  getDBBackups(): void {
+    this.postsService.getDBBackups().subscribe(res => {
+      this.db_backups = res['db_backups'];
+    });
+  }
+
+  restoreClicked(): void {
+    if (this.selected_backup.length !== 1) return;
+    this.postsService.restoreDBBackup(this.selected_backup[0]).subscribe(res => {
+      if (res['success']) {
+        this.postsService.openSnackBar('Database successfully restored!');
+      } else {
+        this.postsService.openSnackBar('Failed to restore database! See logs for more info.');
+      }
+    }, err => {
+      this.postsService.openSnackBar('Failed to restore database! See browser console for more info.');
+      console.error(err);
+    });
+  }
+
+}