TF-233 Add mailbox name validator

core/lib/presentation/views/text/input_decoration_builder.dart

@@ -44,7 +44,7 @@ abstract class InputDecorationBuilder {
     errorBorder = newErrorBorder;
   }
 
-  void setErrorText(String newText) {
+  void setErrorText(String? newText) {
     errorText = newText;
   }
 

lib/features/mailbox_creator/domain/exceptions/verify_name_exception.dart

@@ -0,0 +1,33 @@
+
+import 'package:equatable/equatable.dart';
+
+abstract class VerifyNameException extends Equatable implements Exception {
+  static const EmptyName = 'The name cannot be empty!';
+  static const DuplicatedName = 'The name already exists!';
+  static const NameContainSpecialCharacter = 'The name cannot contain special characters';
+
+  final String? message;
+
+  VerifyNameException(this.message);
+}
+
+class EmptyNameException extends VerifyNameException {
+  EmptyNameException() : super(VerifyNameException.EmptyName);
+
+  @override
+  List<Object> get props => [];
+}
+
+class DuplicatedNameException extends VerifyNameException {
+  DuplicatedNameException() : super(VerifyNameException.DuplicatedName);
+
+  @override
+  List<Object> get props => [];
+}
+
+class SpecialCharacterException extends VerifyNameException {
+  SpecialCharacterException() : super(VerifyNameException.NameContainSpecialCharacter);
+
+  @override
+  List<Object> get props => [];
+}

lib/features/mailbox_creator/domain/extensions/list_validator_extension.dart

@@ -0,0 +1,18 @@
+
+import 'package:core/core.dart';
+import 'package:dartz/dartz.dart';
+import 'package:tmail_ui_user/features/mailbox_creator/domain/model/verification/new_name_request.dart';
+import 'package:tmail_ui_user/features/mailbox_creator/domain/model/verification/validator.dart';
+import 'package:tmail_ui_user/features/mailbox_creator/domain/state/verify_name_view_state.dart';
+
+extension ListValidatorExtension on List<Validator> {
+  Either<Failure, Success> getValidatorNameViewState(NewNameRequest newNameRequest) {
+    for (var validator in this) {
+      final either = validator.validate(newNameRequest);
+      if (either.isLeft()) {
+        return either;
+      }
+    }
+    return Right<Failure, Success>(VerifyNameViewState());
+  }
+}

lib/features/mailbox_creator/domain/extensions/name_validator_string_extension.dart

@@ -0,0 +1,6 @@
+
+extension NameValidatorStringExtension on String {
+  bool hasSpecialCharactersInName() {
+    return RegExp(r'^([@#%^$~!%&*()+=\|{}/<>:;?`])').hasMatch(this);
+  }
+}

lib/features/mailbox_creator/domain/model/verification/composite_name_validator.dart

@@ -0,0 +1,21 @@
+
+import 'package:core/core.dart';
+import 'package:dartz/dartz.dart';
+import 'package:tmail_ui_user/features/mailbox_creator/domain/extensions/list_validator_extension.dart';
+import 'package:tmail_ui_user/features/mailbox_creator/domain/model/verification/new_name_request.dart';
+import 'package:tmail_ui_user/features/mailbox_creator/domain/model/verification/validator.dart';
+import 'package:tmail_ui_user/features/mailbox_creator/domain/state/verify_name_view_state.dart';
+
+class CompositeNameValidator extends Validator<NewNameRequest> {
+
+  final List<Validator> _listValidator;
+
+  CompositeNameValidator(this._listValidator);
+
+  @override
+  Either<Failure, Success> validate(NewNameRequest newNameRequest) {
+    return _listValidator.isNotEmpty
+      ? _listValidator.getValidatorNameViewState(newNameRequest)
+      : Right<Failure, Success>(VerifyNameViewState());
+  }
+}

lib/features/mailbox_creator/domain/model/verification/duplicate_name_validator.dart

@@ -0,0 +1,28 @@
+import 'package:core/core.dart';
+import 'package:dartz/dartz.dart';
+import 'package:tmail_ui_user/features/mailbox_creator/domain/exceptions/verify_name_exception.dart';
+import 'package:tmail_ui_user/features/mailbox_creator/domain/model/verification/new_name_request.dart';
+import 'package:tmail_ui_user/features/mailbox_creator/domain/model/verification/validator.dart';
+import 'package:tmail_ui_user/features/mailbox_creator/domain/state/verify_name_view_state.dart';
+
+class DuplicateNameValidator extends Validator<NewNameRequest> {
+  final List<String> _listName;
+
+  DuplicateNameValidator(this._listName);
+
+  @override
+  Either<Failure, Success> validate(NewNameRequest newNameRequest) {
+    if (newNameRequest.value != null) {
+      final nameExist = _listName
+          .map((nameItem) => nameItem.toLowerCase())
+          .contains(newNameRequest.value!.toLowerCase());
+      if (nameExist) {
+        return Left<Failure, Success>(VerifyNameFailure(DuplicatedNameException()));
+      } else {
+        return Right<Failure, Success>(VerifyNameViewState());
+      }
+    } else {
+      return Right<Failure, Success>(VerifyNameViewState());
+    }
+  }
+}

lib/features/mailbox_creator/domain/model/verification/empty_name_validator.dart

@@ -0,0 +1,19 @@
+
+import 'package:core/core.dart';
+import 'package:dartz/dartz.dart';
+import 'package:tmail_ui_user/features/mailbox_creator/domain/exceptions/verify_name_exception.dart';
+import 'package:tmail_ui_user/features/mailbox_creator/domain/model/verification/new_name_request.dart';
+import 'package:tmail_ui_user/features/mailbox_creator/domain/model/verification/validator.dart';
+import 'package:tmail_ui_user/features/mailbox_creator/domain/state/verify_name_view_state.dart';
+
+class EmptyNameValidator extends Validator<NewNameRequest> {
+
+  @override
+  Either<Failure, Success> validate(NewNameRequest newNameRequest) {
+    if (newNameRequest.value == null || newNameRequest.value!.isEmpty) {
+      return Left<Failure, Success>(VerifyNameFailure(EmptyNameException()));
+    } else {
+      return Right<Failure, Success>(VerifyNameViewState());
+    }
+  }
+}

lib/features/mailbox_creator/domain/model/verification/new_name_request.dart

@@ -0,0 +1,11 @@
+
+import 'package:equatable/equatable.dart';
+
+class NewNameRequest with EquatableMixin {
+  final String? value;
+
+  NewNameRequest(this.value);
+
+  @override
+  List<Object?> get props => [value];
+}

lib/features/mailbox_creator/domain/model/verification/special_character_validator.dart

@@ -0,0 +1,20 @@
+
+import 'package:core/core.dart';
+import 'package:dartz/dartz.dart';
+import 'package:tmail_ui_user/features/mailbox_creator/domain/exceptions/verify_name_exception.dart';
+import 'package:tmail_ui_user/features/mailbox_creator/domain/extensions/name_validator_string_extension.dart';
+import 'package:tmail_ui_user/features/mailbox_creator/domain/model/verification/new_name_request.dart';
+import 'package:tmail_ui_user/features/mailbox_creator/domain/model/verification/validator.dart';
+import 'package:tmail_ui_user/features/mailbox_creator/domain/state/verify_name_view_state.dart';
+
+class SpecialCharacterValidator extends Validator<NewNameRequest> {
+
+  @override
+  Either<Failure, Success> validate(NewNameRequest newNameRequest) {
+    if (newNameRequest.value != null && newNameRequest.value!.hasSpecialCharactersInName()) {
+      return Left<Failure, Success>(VerifyNameFailure(SpecialCharacterException()));
+    } else {
+      return Right<Failure, Success>(VerifyNameViewState());
+    }
+  }
+}

lib/features/mailbox_creator/domain/model/verification/validator.dart

@@ -0,0 +1,7 @@
+
+import 'package:core/core.dart';
+import 'package:dartz/dartz.dart';
+
+abstract class Validator<T> {
+  Either<Failure, Success> validate(T value);
+}

lib/features/mailbox_creator/domain/state/verify_name_view_state.dart

@@ -0,0 +1,17 @@
+
+import 'package:core/core.dart';
+
+class VerifyNameViewState extends UIState {
+  VerifyNameViewState();
+
+  @override
+  List<Object> get props => [];
+}
+
+class VerifyNameFailure extends FeatureFailure {
+  final exception;
+
+  VerifyNameFailure(this.exception);
+  @override
+  List<Object> get props => [exception];
+}

lib/features/mailbox_creator/domain/usecases/verify_name_interactor.dart

@@ -0,0 +1,17 @@
+
+import 'package:core/core.dart';
+import 'package:dartz/dartz.dart';
+import 'package:tmail_ui_user/features/mailbox_creator/domain/model/verification/composite_name_validator.dart';
+import 'package:tmail_ui_user/features/mailbox_creator/domain/model/verification/new_name_request.dart';
+import 'package:tmail_ui_user/features/mailbox_creator/domain/model/verification/validator.dart';
+import 'package:tmail_ui_user/features/mailbox_creator/domain/state/verify_name_view_state.dart';
+
+class VerifyNameInteractor {
+  Either<Failure, Success> execute(String? newName, List<Validator> listValidator) {
+    try {
+      return CompositeNameValidator(listValidator).validate(NewNameRequest(newName));
+    } catch (exception) {
+      return Left<Failure, Success>(VerifyNameFailure(exception));
+    }
+  }
+}

lib/features/mailbox_creator/presentation/extensions/validator_failure_extension.dart

@@ -0,0 +1,20 @@
+
+import 'package:flutter/material.dart';
+import 'package:tmail_ui_user/features/mailbox_creator/domain/exceptions/verify_name_exception.dart';
+import 'package:tmail_ui_user/features/mailbox_creator/domain/state/verify_name_view_state.dart';
+import 'package:tmail_ui_user/main/localizations/app_localizations.dart';
+
+extension ValicatorFailureExtension on VerifyNameFailure {
+
+  String getMessage(BuildContext context) {
+    if (exception is EmptyNameException) {
+      return AppLocalizations.of(context).name_of_mailbox_is_required;
+    } else if (exception is DuplicatedNameException) {
+      return AppLocalizations.of(context).this_folder_name_is_already_taken;
+    } else if (exception is SpecialCharacterException) {
+      return AppLocalizations.of(context).mailbox_name_cannot_contain_special_characters;
+    } else {
+      return '';
+    }
+  }
+}

lib/features/mailbox_creator/presentation/mailbox_creator_bindings.dart

@@ -1,10 +1,15 @@
 import 'package:get/get.dart';
+import 'package:tmail_ui_user/features/mailbox_creator/domain/usecases/verify_name_interactor.dart';
 import 'package:tmail_ui_user/features/mailbox_creator/presentation/mailbox_creator_controller.dart';
 
 class MailboxCreatorBindings extends Bindings {
 
   @override
   void dependencies() {
-    Get.lazyPut(() => MailboxCreatorController());
+    Get.lazyPut(() => VerifyNameInteractor());
+
+    Get.lazyPut(() => MailboxCreatorController(
+      Get.find<VerifyNameInteractor>(),
+    ));
   }
 }

lib/features/mailbox_creator/presentation/mailbox_creator_controller.dart

@@ -1,20 +1,34 @@
 
 import 'package:core/core.dart';
 import 'package:dartz/dartz.dart';
+import 'package:flutter/cupertino.dart';
 import 'package:get/get.dart';
 import 'package:model/model.dart';
 import 'package:tmail_ui_user/features/base/base_controller.dart';
+import 'package:tmail_ui_user/features/mailbox_creator/domain/model/verification/duplicate_name_validator.dart';
+import 'package:tmail_ui_user/features/mailbox_creator/domain/model/verification/empty_name_validator.dart';
+import 'package:tmail_ui_user/features/mailbox_creator/domain/model/verification/special_character_validator.dart';
+import 'package:tmail_ui_user/features/mailbox_creator/domain/state/verify_name_view_state.dart';
+import 'package:tmail_ui_user/features/mailbox_creator/domain/usecases/verify_name_interactor.dart';
+import 'package:tmail_ui_user/features/mailbox_creator/presentation/extensions/validator_failure_extension.dart';
 import 'package:tmail_ui_user/features/mailbox_creator/presentation/model/mailbox_creator_arguments.dart';
 import 'package:tmail_ui_user/main/routes/route_navigation.dart';
 import 'package:tmail_ui_user/main/utils/app_logger.dart';
 
 class MailboxCreatorController extends BaseController {
 
+  final VerifyNameInteractor _verifyNameInteractor;
+
   final selectedMailbox = Rxn<PresentationMailbox>();
+  final newNameMailbox = Rxn<String>();
 
   List<PresentationMailbox> allMailboxes = <PresentationMailbox>[];
 
-  MailboxCreatorController();
+  MailboxCreatorController(
+      this._verifyNameInteractor,
+  );
+
+  void setNewNameMailbox(String newName) => newNameMailbox.value = newName;
 
   @override
   void onReady() {
@@ -38,7 +52,41 @@ class MailboxCreatorController extends BaseController {
   @override
   void onError(error) {}
 
-  void closeMailboxCreator() {
+  bool isCreateMailboxValidated(BuildContext context) {
+    final nameValidated = getErrorInputNameString(context);
+    if (nameValidated?.isNotEmpty == true) {
+      return false;
+    }
+    return true;
+  }
+
+  String? getErrorInputNameString(BuildContext context) {
+    final nameMailbox = newNameMailbox.value;
+    final listName = allMailboxes
+        .where((mailbox) => !(mailbox.name.isBlank == true))
+        .map((mailbox) => mailbox.name!.name).toList();
+
+    return _verifyNameInteractor.execute(
+        nameMailbox,
+        [
+          EmptyNameValidator(),
+          DuplicateNameValidator(listName),
+          SpecialCharacterValidator(),
+        ]
+    ).fold(
+      (failure) {
+        if (failure is VerifyNameFailure) {
+          return failure.getMessage(context);
+        } else {
+          return null;
+        }
+      },
+      (success) => null
+    );
+  }
+
+  void closeMailboxCreator(BuildContext context) {
+    FocusScope.of(context).unfocus();
     popBack();
   }
 }

lib/features/mailbox_creator/presentation/mailbox_creator_view.dart

@@ -19,7 +19,7 @@ class MailboxCreatorView extends GetWidget<MailboxCreatorController> {
         borderOnForeground: false,
         color: Colors.transparent,
         child: GestureDetector(
-          onTap: () => controller.closeMailboxCreator(),
+          onTap: () => controller.closeMailboxCreator(context),
           child: ResponsiveWidget(
               responsiveUtils: _responsiveUtils,
               mobile: Container(
@@ -92,22 +92,31 @@ class MailboxCreatorView extends GetWidget<MailboxCreatorController> {
 
   Widget _buildAppBar(BuildContext context) {
     return Padding(
-      padding: EdgeInsets.only(top: 10, bottom: 4),
+      padding: EdgeInsets.only(top: 5),
-      child: (AppBarMailboxCreatorWidget(context)
+      child: Obx(() => (AppBarMailboxCreatorWidget(
-          ..addOnCancelActionClick(() => controller.closeMailboxCreator())
+              context,
-          ..addOnCreateActionClick(() {}))
+              isValidated: controller.isCreateMailboxValidated(context))
-        .build());
+          ..addOnCancelActionClick(() => controller.closeMailboxCreator(context))
+          ..addOnCreateActionClick(() => {}))
+        .build())
+    );
   }
 
   Widget _buildCreateMailboxNameInput(BuildContext context) {
     return Padding(
       padding: EdgeInsets.symmetric(horizontal: 16, vertical: 14),
-      child: (TextFieldBuilder()
+      child: Obx(() => (TextFieldBuilder()
           ..key(Key('create_mailbox_name_input'))
-          ..onChange((value) => {})
+          ..onChange((value) => controller.setNewNameMailbox(value))
           ..keyboardType(TextInputType.visiblePassword)
-          ..textDecoration((CreateMailboxNameInputDecorationBuilder()).build()))
+          ..cursorColor(AppColor.colorTextButton)
-        .build());
+          ..autoFocus(true)
+          ..textStyle(TextStyle(color: AppColor.colorNameEmail, fontSize: 16))
+          ..textDecoration((CreateMailboxNameInputDecorationBuilder()
+                ..setErrorText(controller.getErrorInputNameString(context)))
+              .build()))
+        .build())
+    );
   }
 
   Widget _buildMailboxLocation(BuildContext context) {

lib/features/mailbox_creator/presentation/widgets/app_bar_mailbox_creator_widget.dart

@@ -71,7 +71,7 @@ class AppBarMailboxCreatorWidget {
               AppLocalizations.of(_context).done,
               style: TextStyle(fontSize: 17, color: isValidated ? AppColor.colorTextButton : AppColor.colorDisableMailboxCreateButton),
             ),
-            onPressed: () => _createActionClick?.call()
+            onPressed: () => isValidated ? _createActionClick?.call() : null
         )
     );
   }

lib/features/mailbox_creator/presentation/widgets/create_mailbox_name_input_decoration_builder.dart

@@ -16,6 +16,9 @@ class CreateMailboxNameInputDecorationBuilder extends InputDecorationBuilder {
       errorBorder: errorBorder ?? OutlineInputBorder(
         borderRadius: BorderRadius.all(Radius.circular(10)),
         borderSide: BorderSide(width: 1, color: AppColor.colorInputBorderErrorVerifyName)),
+      focusedErrorBorder: errorBorder ?? OutlineInputBorder(
+          borderRadius: BorderRadius.all(Radius.circular(10)),
+          borderSide: BorderSide(width: 1, color: AppColor.colorInputBorderErrorVerifyName)),
       prefixText: prefixText,
       labelText: labelText,
       floatingLabelBehavior: FloatingLabelBehavior.never,

lib/main/localizations/app_localizations.dart

@@ -613,4 +613,25 @@ class AppLocalizations {
       name: 'default_mailbox',
     );
   }
+
+  String get name_of_mailbox_is_required {
+    return Intl.message(
+      'Name of mailbox is required',
+      name: 'name_of_mailbox_is_required',
+    );
+  }
+
+  String get mailbox_name_cannot_contain_special_characters {
+    return Intl.message(
+      'Mailbox name cannot contain special characters',
+      name: 'mailbox_name_cannot_contain_special_characters',
+    );
+  }
+
+  String get this_folder_name_is_already_taken {
+    return Intl.message(
+      'This folder name is already taken',
+      name: 'this_folder_name_is_already_taken',
+    );
+  }
 }