Initial commit of Doormile CRM Mobile with UI modernizations

lib/services/auth_service.dart

@@ -0,0 +1,85 @@
+import 'dart:convert';
+import 'package:http/http.dart' as http;
+import 'package:shared_preferences/shared_preferences.dart';
+
+/// A single authenticated user.
+class AuthUser {
+  final String email;
+  final String name;
+  final String role;
+  final String token;
+
+  const AuthUser({
+    required this.email,
+    required this.name,
+    required this.role,
+    required this.token,
+  });
+  
+  Map<String, dynamic> toJson() => {
+    'email': email,
+    'name': name,
+    'role': role,
+    'token': token,
+  };
+  
+  factory AuthUser.fromJson(Map<String, dynamic> json) => AuthUser(
+    email: json['email'] as String? ?? '',
+    name: json['name'] as String? ?? '',
+    role: json['role'] as String? ?? '',
+    token: json['token'] as String? ?? '',
+  );
+}
+
+class AuthService {
+  static const String _base = 'https://api.doormile.com/api/v1';
+
+  /// Login with real backend API
+  Future<AuthUser?> login(String email, String password) async {
+    try {
+      final res = await http.post(
+        Uri.parse('$_base/admin/login'),
+        headers: {'Content-Type': 'application/json'},
+        body: jsonEncode({'email': email, 'password': password}),
+      ).timeout(const Duration(seconds: 15));
+      
+      if (res.statusCode == 200) {
+        final data = jsonDecode(res.body);
+        final token = data['token'] ?? '';
+        final userObj = data['user'] ?? {};
+        
+        // Sometimes APIs return user inside 'data' or directly. Adjusting based on typical JWT responses.
+        final emailStr = userObj['email'] ?? email;
+        final nameStr = userObj['name'] ?? userObj['first_name'] ?? 'Admin';
+        final roleStr = userObj['role'] ?? 'admin';
+        
+        final user = AuthUser(
+          email: emailStr,
+          name: nameStr,
+          role: roleStr,
+          token: token,
+        );
+        
+        final prefs = await SharedPreferences.getInstance();
+        await prefs.setString('auth_user_data', jsonEncode(user.toJson()));
+        
+        return user;
+      }
+      return null;
+    } catch (_) {
+      return null;
+    }
+  }
+
+  /// Restore user from local storage
+  Future<AuthUser?> getSavedUser() async {
+    try {
+      final prefs = await SharedPreferences.getInstance();
+      final userData = prefs.getString('auth_user_data');
+      if (userData != null && userData.isNotEmpty) {
+        return AuthUser.fromJson(jsonDecode(userData));
+      }
+    } catch (_) {}
+    return null;
+  }
+}