added uptime monitoring

lib/screens/users/controllers/user_controller.dart

@@ -0,0 +1,325 @@
+import 'package:flutter/material.dart';
+import 'package:qpay/http/http.dart';
+import 'package:qpay/models/api_response.dart';
+import 'package:qpay/models/pageable_model.dart';
+import 'package:qpay/screens/users/models/managed_user_model.dart';
+
+class UserScreenModel {
+  List<ManagedUserModel> users = [];
+  bool isLoading = false;
+  bool isLoadingMore = false;
+  String? errorMessage;
+  int currentPage = 0;
+  int totalPages = 0;
+  int totalElements = 0;
+  String searchQuery = '';
+  bool selectMode = false;
+  Set<String> selectedUserIds = {};
+
+  /// Active filter values (null = not filtered)
+  String? filterEmail;
+  String? filterPhone;
+}
+
+class UserController extends ChangeNotifier {
+  final UserScreenModel model = UserScreenModel();
+  final Http http = Http();
+  BuildContext? context;
+  bool _disposed = false;
+
+  UserController(this.context);
+
+  /// Creates a controller without a [BuildContext] — useful when a
+  /// bottom sheet or dialog needs to drive API calls through the
+  /// controller without participating in the widget tree.
+  UserController.forSheet() : context = null;
+
+  @override
+  void dispose() {
+    _disposed = true;
+    super.dispose();
+  }
+
+  dynamic _unwrap(dynamic response) {
+    if (response is Map && response.containsKey('body')) {
+      return response['body'];
+    }
+    return response;
+  }
+
+  String buildQueryParameters(Map<String, String?> params) {
+    final filtered = <String, String>{};
+    params.forEach((key, value) {
+      if (value != null && value.isNotEmpty) {
+        filtered[key] = value;
+      }
+    });
+    if (filtered.isEmpty) return '';
+    return filtered.entries.map((e) => '${e.key}=${e.value}').join('&');
+  }
+
+  // ────────────────────────────────────────────────────────────────
+  // 1. LIST USERS  (GET /api/users?username=…&email=…&phone=…)
+  // ────────────────────────────────────────────────────────────────
+  Future<ApiResponse<PageableModel>> listUsers({
+    int page = 0,
+    int size = 20,
+    String? username,
+    String? email,
+    String? phone,
+  }) async {
+    if (page == 0) {
+      model.isLoading = true;
+      model.users = [];
+      model.currentPage = 0;
+    } else {
+      model.isLoadingMore = true;
+    }
+    if (!_disposed) notifyListeners();
+
+    try {
+      final params = <String, String?>{
+        'page': page.toString(),
+        'size': size.toString(),
+        'username': username,
+        'email': email,
+        'phone': phone,
+      };
+
+      final raw = await http.get('/users?${buildQueryParameters(params)}');
+      final response = _unwrap(raw);
+      final pageableModel = PageableModel.fromJson(
+        response as Map<String, dynamic>,
+      );
+
+      final newUsers = pageableModel.content
+          .map((e) => ManagedUserModel.fromJson(e as Map<String, dynamic>))
+          .toList();
+
+      if (page == 0) {
+        model.users = newUsers;
+      } else {
+        model.users.addAll(newUsers);
+      }
+      model.currentPage = pageableModel.number;
+      model.totalPages = pageableModel.totalPages;
+      model.totalElements = pageableModel.totalElements;
+      model.isLoading = false;
+      model.isLoadingMore = false;
+
+      if (!_disposed) notifyListeners();
+      return ApiResponse.success(pageableModel);
+    } catch (e) {
+      logger.e(e);
+      model.errorMessage = e.toString();
+      if (page == 0) {
+        model.users = [];
+      }
+      model.isLoading = false;
+      model.isLoadingMore = false;
+      if (!_disposed) notifyListeners();
+      return ApiResponse.failure('Failed to load users');
+    }
+  }
+
+  // ────────────────────────────────────────────────────────────────
+  // 2. LIST WORKSPACE USERS  (GET /api/users/workspace?workspaceId=…)
+  // ────────────────────────────────────────────────────────────────
+  Future<ApiResponse<PageableModel>> listWorkspaceUsers({
+    required String workspaceId,
+    int page = 0,
+    int size = 20,
+    String? username,
+    String? email,
+    String? phone,
+  }) async {
+    if (page == 0) {
+      model.isLoading = true;
+      model.users = [];
+      model.currentPage = 0;
+    } else {
+      model.isLoadingMore = true;
+    }
+    if (!_disposed) notifyListeners();
+
+    try {
+      final params = <String, String?>{
+        'workspaceId': workspaceId,
+        'page': page.toString(),
+        'size': size.toString(),
+        'username': username,
+        'email': email,
+        'phone': phone,
+      };
+
+      final raw = await http.get(
+        '/users/workspace?${buildQueryParameters(params)}',
+      );
+      final response = _unwrap(raw);
+      final pageableModel = PageableModel.fromJson(
+        response as Map<String, dynamic>,
+      );
+
+      final newUsers = pageableModel.content
+          .map((e) => ManagedUserModel.fromJson(e as Map<String, dynamic>))
+          .toList();
+
+      if (page == 0) {
+        model.users = newUsers;
+      } else {
+        model.users.addAll(newUsers);
+      }
+      model.currentPage = pageableModel.number;
+      model.totalPages = pageableModel.totalPages;
+      model.totalElements = pageableModel.totalElements;
+      model.isLoading = false;
+      model.isLoadingMore = false;
+
+      if (!_disposed) notifyListeners();
+      return ApiResponse.success(pageableModel);
+    } catch (e) {
+      logger.e(e);
+      model.errorMessage = e.toString();
+      if (page == 0) {
+        model.users = [];
+      }
+      model.isLoading = false;
+      model.isLoadingMore = false;
+      if (!_disposed) notifyListeners();
+      return ApiResponse.failure('Failed to load workspace users');
+    }
+  }
+
+  // ────────────────────────────────────────────────────────────────
+  // 3. ASSOCIATE USER TO WORKSPACE
+  //    POST /api/workspaces/{workspaceId}/users/{userId}
+  // ────────────────────────────────────────────────────────────────
+  Future<ApiResponse<void>> associateUser({
+    required String workspaceId,
+    required String userId,
+  }) async {
+    try {
+      await http.postRaw(
+        '/workspaces/$workspaceId/users/$userId',
+      );
+      // Refresh the list after association so the UI stays in sync
+      await listWorkspaceUsers(workspaceId: workspaceId, page: 0);
+      return ApiResponse.success(null);
+    } catch (e) {
+      logger.e(e);
+      model.errorMessage = e.toString();
+      if (!_disposed) notifyListeners();
+      return ApiResponse.failure('Failed to associate user to workspace');
+    }
+  }
+
+  // ────────────────────────────────────────────────────────────────
+  // 4. DISSOCIATE USER FROM WORKSPACE
+  //    DELETE /api/workspaces/{workspaceId}/users/{userId}
+  // ────────────────────────────────────────────────────────────────
+  Future<ApiResponse<void>> dissociateUser({
+    required String workspaceId,
+    required String userId,
+  }) async {
+    try {
+      await http.delete('/workspaces/$workspaceId/users/$userId');
+      // Refresh the workspace users list after dissociation
+      await listWorkspaceUsers(workspaceId: workspaceId, page: 0);
+      return ApiResponse.success(null);
+    } catch (e) {
+      logger.e(e);
+      model.errorMessage = e.toString();
+      if (!_disposed) notifyListeners();
+      return ApiResponse.failure('Failed to dissociate user from workspace');
+    }
+  }
+
+  // ────────────────────────────────────────────────────────────────
+  // Convenience helpers
+  // ────────────────────────────────────────────────────────────────
+
+  Future<void> searchUsers({required String workspaceId, String? name}) async {
+    model.searchQuery = name ?? '';
+    await listWorkspaceUsers(
+      workspaceId: workspaceId,
+      page: 0,
+      username: name,
+      email: model.filterEmail,
+      phone: model.filterPhone,
+    );
+  }
+
+  Future<void> applyFilters({
+    required String workspaceId,
+    String? email,
+    String? phone,
+  }) async {
+    model.filterEmail = email;
+    model.filterPhone = phone;
+    await listWorkspaceUsers(
+      workspaceId: workspaceId,
+      page: 0,
+      username: model.searchQuery.isNotEmpty ? model.searchQuery : null,
+      email: email,
+      phone: phone,
+    );
+  }
+
+  void clearFilters({required String workspaceId}) {
+    model.filterEmail = null;
+    model.filterPhone = null;
+    if (!_disposed) notifyListeners();
+    listWorkspaceUsers(
+      workspaceId: workspaceId,
+      page: 0,
+      username: model.searchQuery.isNotEmpty ? model.searchQuery : null,
+    );
+  }
+
+  Future<void> loadNextPage({required String workspaceId}) async {
+    if (model.isLoadingMore || model.currentPage + 1 >= model.totalPages) {
+      return;
+    }
+    await listWorkspaceUsers(
+      workspaceId: workspaceId,
+      page: model.currentPage + 1,
+      username: model.searchQuery.isNotEmpty ? model.searchQuery : null,
+      email: model.filterEmail,
+      phone: model.filterPhone,
+    );
+  }
+
+  // ────────────────────────────────────────────────────────────────
+  //  Selection helpers for bulk actions
+  // ────────────────────────────────────────────────────────────────
+
+  void toggleSelectMode() {
+    model.selectMode = !model.selectMode;
+    if (!model.selectMode) {
+      model.selectedUserIds.clear();
+    }
+    if (!_disposed) notifyListeners();
+  }
+
+  void toggleUserSelection(String userId) {
+    if (model.selectedUserIds.contains(userId)) {
+      model.selectedUserIds.remove(userId);
+    } else {
+      model.selectedUserIds.add(userId);
+    }
+    if (!_disposed) notifyListeners();
+  }
+
+  Future<void> dissociateSelectedUsers({
+    required String workspaceId,
+  }) async {
+    final idsToProcess = List<String>.from(model.selectedUserIds);
+    model.selectMode = false;
+    model.selectedUserIds.clear();
+    if (!_disposed) notifyListeners();
+
+    for (final id in idsToProcess) {
+      await dissociateUser(workspaceId: workspaceId, userId: id);
+    }
+  }
+}

lib/screens/users/models/managed_user_model.dart

@@ -0,0 +1,118 @@
+class ManagedUserModel {
+  final String id;
+  final String createdAt;
+  final String updatedAt;
+  final bool deleted;
+  final String username;
+  final String email;
+  final String phone;
+  final int workflowId;
+  final String firstName;
+  final String lastName;
+  final bool enabled;
+  final bool accountNonExpired;
+  final bool accountNonLocked;
+  final bool credentialsNonExpired;
+  final List<ManagedUserAuthority> authorities;
+
+  ManagedUserModel({
+    required this.id,
+    required this.createdAt,
+    required this.updatedAt,
+    required this.deleted,
+    required this.username,
+    required this.email,
+    required this.phone,
+    required this.workflowId,
+    required this.firstName,
+    required this.lastName,
+    required this.enabled,
+    required this.accountNonExpired,
+    required this.accountNonLocked,
+    required this.credentialsNonExpired,
+    required this.authorities,
+  });
+
+  factory ManagedUserModel.fromJson(Map<String, dynamic> json) {
+    return ManagedUserModel(
+      id: json['id'] as String,
+      createdAt: json['createdAt'] as String? ?? '',
+      updatedAt: json['updatedAt'] as String? ?? '',
+      deleted: json['deleted'] as bool? ?? false,
+      username: json['username'] as String? ?? '',
+      email: json['email'] as String? ?? '',
+      phone: json['phone'] as String? ?? '',
+      workflowId: json['workflowId'] as int? ?? 0,
+      firstName: json['firstName'] as String? ?? '',
+      lastName: json['lastName'] as String? ?? '',
+      enabled: json['enabled'] as bool? ?? true,
+      accountNonExpired: json['accountNonExpired'] as bool? ?? true,
+      accountNonLocked: json['accountNonLocked'] as bool? ?? true,
+      credentialsNonExpired: json['credentialsNonExpired'] as bool? ?? true,
+      authorities: (json['authorities'] as List<dynamic>?)
+              ?.map((e) =>
+                  ManagedUserAuthority.fromJson(e as Map<String, dynamic>))
+              .toList() ??
+          [],
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'id': id,
+      'createdAt': createdAt,
+      'updatedAt': updatedAt,
+      'deleted': deleted,
+      'username': username,
+      'email': email,
+      'phone': phone,
+      'workflowId': workflowId,
+      'firstName': firstName,
+      'lastName': lastName,
+      'enabled': enabled,
+      'accountNonExpired': accountNonExpired,
+      'accountNonLocked': accountNonLocked,
+      'credentialsNonExpired': credentialsNonExpired,
+      'authorities': authorities.map((e) => e.toJson()).toList(),
+    };
+  }
+
+  String get displayName {
+    if (firstName.isNotEmpty && lastName.isNotEmpty) {
+      return '$firstName $lastName';
+    }
+    if (firstName.isNotEmpty) return firstName;
+    if (lastName.isNotEmpty) return lastName;
+    return username;
+  }
+
+  String get initials {
+    if (firstName.isNotEmpty && lastName.isNotEmpty) {
+      return '${firstName[0]}${lastName[0]}'.toUpperCase();
+    }
+    if (firstName.isNotEmpty && firstName.length >= 2) {
+      return firstName.substring(0, 2).toUpperCase();
+    }
+    if (username.isNotEmpty && username.length >= 2) {
+      return username.substring(0, 2).toUpperCase();
+    }
+    return '?';
+  }
+
+  String get roleNames =>
+      authorities.map((a) => a.authority.replaceFirst('ROLE_', '')).join(', ');
+}
+
+class ManagedUserAuthority {
+  final String authority;
+
+  ManagedUserAuthority({required this.authority});
+
+  factory ManagedUserAuthority.fromJson(Map<String, dynamic> json) {
+    return ManagedUserAuthority(authority: json['authority'] as String? ?? '');
+  }
+
+  Map<String, dynamic> toJson() {
+    return {'authority': authority};
+  }
+}