Formatters & Validators #13

Author: BirjuVachhani

lib/src/api/models/text_input_formatter_model.dart

@@ -32,15 +32,15 @@ sealed class TextInputFormatterModel with EquatableMixin, SerializableMixin {
     final TextInputFormatterType type =
         TextInputFormatterType.values.byName(json['type']);
     return switch (type) {
-      TextInputFormatterType.none => NoneTextInputFormatter.fromJson(json),
+      TextInputFormatterType.none => NoneTextInputFormatterModel.fromJson(json),
       TextInputFormatterType.regex =>
         RegexTextInputFormatterModel.fromJson(json),
     };
   }
 
   /// A list of all available text field formatters.
   static const List<TextInputFormatterModel> formatters = [
-    NoneTextInputFormatter(),
+    NoneTextInputFormatterModel(),
     ...RegexTextInputFormatterModel.formatters,
   ];
 
@@ -55,17 +55,17 @@ sealed class TextInputFormatterModel with EquatableMixin, SerializableMixin {
 
 /// A formatter than does not restrict the input in any way.
 @JsonSerializable()
-class NoneTextInputFormatter extends TextInputFormatterModel {
-  /// Creates a new [NoneTextInputFormatter] instance.
-  const NoneTextInputFormatter()
+class NoneTextInputFormatterModel extends TextInputFormatterModel {
+  /// Creates a new [NoneTextInputFormatterModel] instance.
+  const NoneTextInputFormatterModel()
       : super(name: 'None', type: TextInputFormatterType.none);
 
   /// Creates a [TextInputFormatterModel] instance from a JSON object.
-  factory NoneTextInputFormatter.fromJson(Map<String, dynamic> json) =>
-      _$NoneTextInputFormatterFromJson(json);
+  factory NoneTextInputFormatterModel.fromJson(Map<String, dynamic> json) =>
+      _$NoneTextInputFormatterModelFromJson(json);
 
   @override
-  Map toJson() => _$NoneTextInputFormatterToJson(this);
+  Map toJson() => _$NoneTextInputFormatterModelToJson(this);
 }
 
 /// Text formatters that can be applied to the text field input to restrict the

lib/src/api/models/text_input_formatter_model.g.dart

@@ -177,17 +177,33 @@ sealed class ConfigurableTextInputValidatorModel
 
 /// Represents absence of any validation.
 @JsonSerializable()
-class RequiredTextInputValidatorModel extends TextInputValidatorModel {
+class RequiredTextInputValidatorModel
+    extends ConfigurableTextInputValidatorModel {
   /// Creates a new [RequiredTextInputValidatorModel] instance.
-  const RequiredTextInputValidatorModel()
-      : super(name: 'Required', type: TextInputValidatorType.required);
+  const RequiredTextInputValidatorModel({
+    super.errorMessage = 'This field is required.',
+  }) : super(
+          name: 'Required',
+          type: TextInputValidatorType.required,
+          required: true,
+        );
 
   @override
   String? validate(String? input) {
-    if (input == null || input.isEmpty) return 'This field is required.';
+    if (input == null || input.isEmpty) return errorMessage;
     return null;
   }
 
+  @override
+  RequiredTextInputValidatorModel copyWith({
+    bool? required,
+    String? errorMessage,
+  }) {
+    return RequiredTextInputValidatorModel(
+      errorMessage: errorMessage ?? this.errorMessage,
+    );
+  }
+
   /// Creates a [TextInputValidatorModel] instance from a JSON object.
   factory RequiredTextInputValidatorModel.fromJson(Map<String, dynamic> json) =>
       _$RequiredTextInputValidatorModelFromJson(json);

lib/src/api/models/text_input_validator_model.dart

@@ -245,7 +245,7 @@ class TextFieldProperties with SerializableMixin, EquatableMixin {
     this.expands = false,
     this.showDecimalKey = false,
     this.showSignKey = false,
-    this.formatter = const NoneTextInputFormatter(),
+    this.formatter = const NoneTextInputFormatterModel(),
     this.validator = const NoneTextInputValidatorModel(),
     this.autovalidateMode = AutovalidateModeC.onUserInteraction,
     this.autofillHints = const {},