add adaptive_scaffold

mobile-v2/lib/domain/services/login.service.dart

@@ -0,0 +1,55 @@
+import 'dart:convert';
+
+import 'package:dio/dio.dart';
+import 'package:immich_mobile/utils/mixins/log_context.mixin.dart';
+import 'package:openapi/openapi.dart';
+
+class LoginService with LogContext {
+  const LoginService();
+
+  Future<bool> isEndpointAvailable(Uri uri, {Dio? dio}) async {
+    String baseUrl = uri.toString();
+
+    if (!baseUrl.endsWith('/api')) {
+      baseUrl += '/api';
+    }
+
+    final serverAPI =
+        Openapi(dio: dio, basePathOverride: baseUrl, interceptors: [])
+            .getServerInfoApi();
+    try {
+      await serverAPI.pingServer(validateStatus: (status) => status == 200);
+    } catch (e) {
+      log.severe("Exception occured while validating endpoint", e);
+      return false;
+    }
+    return true;
+  }
+
+  Future<String> resolveEndpoint(Uri uri, {Dio? dio}) async {
+    final d = dio ?? Dio();
+    String baseUrl = uri.toString();
+
+    try {
+      // Check for well-known endpoint
+      final res = await d.get(
+        "$baseUrl/.well-known/immich",
+        options: Options(
+          headers: {"Accept": "application/json"},
+          validateStatus: (status) => status == 200,
+        ),
+      );
+
+      final data = jsonDecode(res.data);
+      final endpoint = data['api']['endpoint'].toString();
+
+      // Full URL is relative to base
+      return endpoint.startsWith('/') ? "$baseUrl$endpoint" : endpoint;
+    } catch (e) {
+      log.fine("Could not locate /.well-known/immich at $baseUrl", e);
+    }
+
+    // No well-known, return the baseUrl
+    return baseUrl;
+  }
+}