Update the endpoint in configuration

auth/lib/core/configuration.dart

@@ -6,6 +6,7 @@ import 'dart:typed_data';
 import 'package:bip39/bip39.dart' as bip39;
 import 'package:ente_auth/core/constants.dart';
 import 'package:ente_auth/core/event_bus.dart';
+import 'package:ente_auth/events/endpoint_updated_event.dart';
 import 'package:ente_auth/events/signed_in_event.dart';
 import 'package:ente_auth/events/signed_out_event.dart';
 import 'package:ente_auth/models/key_attributes.dart';
@@ -42,6 +43,7 @@ class Configuration {
   static const userIDKey = "user_id";
   static const hasMigratedSecureStorageKey = "has_migrated_secure_storage";
   static const hasOptedForOfflineModeKey = "has_opted_for_offline_mode";
+  static const endPointKey = "endpoint";
   final List<String> onlineSecureKeys = [
     keyKey,
     secretKeyKey,
@@ -317,7 +319,12 @@ class Configuration {
   }
 
   String getHttpEndpoint() {
-    return endpoint;
+    return _preferences.getString(endPointKey) ?? endpoint;
+  }
+
+  Future<void> setHttpEndpoint(String endpoint) async {
+    await _preferences.setString(endPointKey, endpoint);
+    Bus.instance.fire(EndpointUpdatedEvent());
   }
 
   String? getToken() {

auth/lib/events/endpoint_updated_event.dart

@@ -0,0 +1,3 @@
+import 'package:ente_auth/events/event.dart';
+
+class EndpointUpdatedEvent extends Event {}

auth/lib/l10n/arb/app_en.arb

@@ -413,5 +413,6 @@
   "developerModeWarning":"Are you sure that you want to modify Developer settings?",
   "developerSettings": "Developer settings",
   "invalidURL": "Invalid URL",
-  "invalidURLMessage": "Sorry, the URL you entered is invalid. Please enter a valid URL and try again."
+  "invalidURLMessage": "Sorry, the URL you entered is invalid. Please enter a valid URL and try again.",
+  "endpointUpdatedMessage": "Endpoint updated successfully"
 }

auth/lib/ui/settings/developer_settings_page.dart

@@ -1,6 +1,8 @@
+import 'package:ente_auth/core/configuration.dart';
 import 'package:ente_auth/l10n/l10n.dart';
 import 'package:ente_auth/ui/common/gradient_button.dart';
 import 'package:ente_auth/utils/dialog_util.dart';
+import 'package:ente_auth/utils/toast_util.dart';
 import 'package:flutter/material.dart';
 import 'package:logging/logging.dart';
 
@@ -23,6 +25,9 @@ class _DeveloperSettingsPageState extends State<DeveloperSettingsPage> {
 
   @override
   Widget build(BuildContext context) {
+    _logger.info(
+      "Current endpoint is: " + Configuration.instance.getHttpEndpoint(),
+    );
     return Scaffold(
       appBar: AppBar(
         title: Text(context.l10n.developerSettings),
@@ -33,22 +38,23 @@ class _DeveloperSettingsPageState extends State<DeveloperSettingsPage> {
           children: [
             TextField(
               controller: _urlController,
-              decoration: const InputDecoration(
+              decoration: InputDecoration(
                 labelText: 'Server Endpoint',
-                hintText: 'https://api.ente.io:443',
+                hintText: Configuration.instance.getHttpEndpoint(),
               ),
               autofocus: true,
             ),
             const SizedBox(height: 40),
             GradientButton(
-              onTap: () {
+              onTap: () async {
                 String url = _urlController.text;
                 _logger.info("Entered endpoint: " + url);
                 try {
                   final uri = Uri.parse(url);
-                  if ((uri.scheme == "http" || uri.scheme == "https") &&
-                      (uri.hasPort || !uri.hasPort)) {
-                    // TODO: Save the URL
+                  if ((uri.scheme == "http" || uri.scheme == "https")) {
+                    await Configuration.instance.setHttpEndpoint(url);
+                    showToast(context, context.l10n.endpointUpdatedMessage);
+                    Navigator.of(context).pop();
                   } else {
                     throw const FormatException();
                   }