feat: Refactor note decryption method and update category handling for improved clarity

lib/data/app_database.dart

@@ -10,7 +10,7 @@ part 'app_database.g.dart';
 @DataClassName('DbCategory')
 class Categories extends Table {
   TextColumn get id => text()();
-  TextColumn get encryptedName => text().named('encrypted_name')();
+  TextColumn get name => text().named('name')();
   IntColumn get serverVersion =>
       integer().named('server_version').withDefault(const Constant(0))();
   BoolColumn get isDeleted =>

lib/data/app_database.g.dart

@@ -629,12 +629,10 @@ class $CategoriesTable extends Categories
     type: DriftSqlType.string,
     requiredDuringInsert: true,
   );
-  static const VerificationMeta _encryptedNameMeta = const VerificationMeta(
+  static const VerificationMeta _nameMeta = const VerificationMeta('name');
-    'encryptedName',
-  );
   @override
-  late final GeneratedColumn<String> encryptedName = GeneratedColumn<String>(
+  late final GeneratedColumn<String> name = GeneratedColumn<String>(
-    'encrypted_name',
+    'name',
     aliasedName,
     false,
     type: DriftSqlType.string,
@@ -667,21 +665,6 @@ class $CategoriesTable extends Categories
     ),
     defaultValue: const Constant(false),
   );
-  static const VerificationMeta _isDirtyMeta = const VerificationMeta(
-    'isDirty',
-  );
-  @override
-  late final GeneratedColumn<bool> isDirty = GeneratedColumn<bool>(
-    'is_dirty',
-    aliasedName,
-    false,
-    type: DriftSqlType.bool,
-    requiredDuringInsert: false,
-    defaultConstraints: GeneratedColumn.constraintIsAlways(
-      'CHECK ("is_dirty" IN (0, 1))',
-    ),
-    defaultValue: const Constant(true),
-  );
   static const VerificationMeta _colorValueMeta = const VerificationMeta(
     'colorValue',
   );
@@ -704,6 +687,21 @@ class $CategoriesTable extends Categories
     type: DriftSqlType.int,
     requiredDuringInsert: false,
   );
+  static const VerificationMeta _isDirtyMeta = const VerificationMeta(
+    'isDirty',
+  );
+  @override
+  late final GeneratedColumn<bool> isDirty = GeneratedColumn<bool>(
+    'is_dirty',
+    aliasedName,
+    false,
+    type: DriftSqlType.bool,
+    requiredDuringInsert: false,
+    defaultConstraints: GeneratedColumn.constraintIsAlways(
+      'CHECK ("is_dirty" IN (0, 1))',
+    ),
+    defaultValue: const Constant(true),
+  );
   static const VerificationMeta _updatedAtMeta = const VerificationMeta(
     'updatedAt',
   );
@@ -718,12 +716,12 @@ class $CategoriesTable extends Categories
   @override
   List<GeneratedColumn> get $columns => [
     id,
-    encryptedName,
+    name,
     serverVersion,
     isDeleted,
-    isDirty,
     colorValue,
     iconCodePoint,
+    isDirty,
     updatedAt,
   ];
   @override
@@ -743,16 +741,13 @@ class $CategoriesTable extends Categories
     } else if (isInserting) {
       context.missing(_idMeta);
     }
-    if (data.containsKey('encrypted_name')) {
+    if (data.containsKey('name')) {
       context.handle(
-        _encryptedNameMeta,
+        _nameMeta,
-        encryptedName.isAcceptableOrUnknown(
+        name.isAcceptableOrUnknown(data['name']!, _nameMeta),
-          data['encrypted_name']!,
-          _encryptedNameMeta,
-        ),
       );
     } else if (isInserting) {
-      context.missing(_encryptedNameMeta);
+      context.missing(_nameMeta);
     }
     if (data.containsKey('server_version')) {
       context.handle(
@@ -769,12 +764,6 @@ class $CategoriesTable extends Categories
         isDeleted.isAcceptableOrUnknown(data['is_deleted']!, _isDeletedMeta),
       );
     }
-    if (data.containsKey('is_dirty')) {
-      context.handle(
-        _isDirtyMeta,
-        isDirty.isAcceptableOrUnknown(data['is_dirty']!, _isDirtyMeta),
-      );
-    }
     if (data.containsKey('color_value')) {
       context.handle(
         _colorValueMeta,
@@ -790,6 +779,12 @@ class $CategoriesTable extends Categories
         ),
       );
     }
+    if (data.containsKey('is_dirty')) {
+      context.handle(
+        _isDirtyMeta,
+        isDirty.isAcceptableOrUnknown(data['is_dirty']!, _isDirtyMeta),
+      );
+    }
     if (data.containsKey('updated_at')) {
       context.handle(
         _updatedAtMeta,
@@ -811,9 +806,9 @@ class $CategoriesTable extends Categories
         DriftSqlType.string,
         data['${effectivePrefix}id'],
       )!,
-      encryptedName: attachedDatabase.typeMapping.read(
+      name: attachedDatabase.typeMapping.read(
         DriftSqlType.string,
-        data['${effectivePrefix}encrypted_name'],
+        data['${effectivePrefix}name'],
       )!,
       serverVersion: attachedDatabase.typeMapping.read(
         DriftSqlType.int,
@@ -823,10 +818,6 @@ class $CategoriesTable extends Categories
         DriftSqlType.bool,
         data['${effectivePrefix}is_deleted'],
       )!,
-      isDirty: attachedDatabase.typeMapping.read(
-        DriftSqlType.bool,
-        data['${effectivePrefix}is_dirty'],
-      )!,
       colorValue: attachedDatabase.typeMapping.read(
         DriftSqlType.int,
         data['${effectivePrefix}color_value'],
@@ -835,6 +826,10 @@ class $CategoriesTable extends Categories
         DriftSqlType.int,
         data['${effectivePrefix}icon_code_point'],
       ),
+      isDirty: attachedDatabase.typeMapping.read(
+        DriftSqlType.bool,
+        data['${effectivePrefix}is_dirty'],
+      )!,
       updatedAt: attachedDatabase.typeMapping.read(
         DriftSqlType.dateTime,
         data['${effectivePrefix}updated_at'],
@@ -850,37 +845,37 @@ class $CategoriesTable extends Categories
 
 class DbCategory extends DataClass implements Insertable<DbCategory> {
   final String id;
-  final String encryptedName;
+  final String name;
   final int serverVersion;
   final bool isDeleted;
-  final bool isDirty;
   final int? colorValue;
   final int? iconCodePoint;
+  final bool isDirty;
   final DateTime updatedAt;
   const DbCategory({
     required this.id,
-    required this.encryptedName,
+    required this.name,
     required this.serverVersion,
     required this.isDeleted,
-    required this.isDirty,
     this.colorValue,
     this.iconCodePoint,
+    required this.isDirty,
     required this.updatedAt,
   });
   @override
   Map<String, Expression> toColumns(bool nullToAbsent) {
     final map = <String, Expression>{};
     map['id'] = Variable<String>(id);
-    map['encrypted_name'] = Variable<String>(encryptedName);
+    map['name'] = Variable<String>(name);
     map['server_version'] = Variable<int>(serverVersion);
     map['is_deleted'] = Variable<bool>(isDeleted);
-    map['is_dirty'] = Variable<bool>(isDirty);
     if (!nullToAbsent || colorValue != null) {
       map['color_value'] = Variable<int>(colorValue);
     }
     if (!nullToAbsent || iconCodePoint != null) {
       map['icon_code_point'] = Variable<int>(iconCodePoint);
     }
+    map['is_dirty'] = Variable<bool>(isDirty);
     map['updated_at'] = Variable<DateTime>(updatedAt);
     return map;
   }
@@ -888,16 +883,16 @@ class DbCategory extends DataClass implements Insertable<DbCategory> {
   CategoriesCompanion toCompanion(bool nullToAbsent) {
     return CategoriesCompanion(
       id: Value(id),
-      encryptedName: Value(encryptedName),
+      name: Value(name),
       serverVersion: Value(serverVersion),
       isDeleted: Value(isDeleted),
-      isDirty: Value(isDirty),
       colorValue: colorValue == null && nullToAbsent
           ? const Value.absent()
-          : Value<int?>(colorValue),
+          : Value(colorValue),
       iconCodePoint: iconCodePoint == null && nullToAbsent
           ? const Value.absent()
-          : Value<int?>(iconCodePoint),
+          : Value(iconCodePoint),
+      isDirty: Value(isDirty),
       updatedAt: Value(updatedAt),
     );
   }
@@ -909,12 +904,12 @@ class DbCategory extends DataClass implements Insertable<DbCategory> {
     serializer ??= driftRuntimeOptions.defaultSerializer;
     return DbCategory(
       id: serializer.fromJson<String>(json['id']),
-      encryptedName: serializer.fromJson<String>(json['encryptedName']),
+      name: serializer.fromJson<String>(json['name']),
       serverVersion: serializer.fromJson<int>(json['serverVersion']),
       isDeleted: serializer.fromJson<bool>(json['isDeleted']),
-      isDirty: serializer.fromJson<bool>(json['isDirty']),
       colorValue: serializer.fromJson<int?>(json['colorValue']),
       iconCodePoint: serializer.fromJson<int?>(json['iconCodePoint']),
+      isDirty: serializer.fromJson<bool>(json['isDirty']),
       updatedAt: serializer.fromJson<DateTime>(json['updatedAt']),
     );
   }
@@ -923,52 +918,52 @@ class DbCategory extends DataClass implements Insertable<DbCategory> {
     serializer ??= driftRuntimeOptions.defaultSerializer;
     return <String, dynamic>{
       'id': serializer.toJson<String>(id),
-      'encryptedName': serializer.toJson<String>(encryptedName),
+      'name': serializer.toJson<String>(name),
       'serverVersion': serializer.toJson<int>(serverVersion),
       'isDeleted': serializer.toJson<bool>(isDeleted),
-      'isDirty': serializer.toJson<bool>(isDirty),
       'colorValue': serializer.toJson<int?>(colorValue),
       'iconCodePoint': serializer.toJson<int?>(iconCodePoint),
+      'isDirty': serializer.toJson<bool>(isDirty),
       'updatedAt': serializer.toJson<DateTime>(updatedAt),
     };
   }
 
   DbCategory copyWith({
     String? id,
-    String? encryptedName,
+    String? name,
     int? serverVersion,
     bool? isDeleted,
+    Value<int?> colorValue = const Value.absent(),
+    Value<int?> iconCodePoint = const Value.absent(),
     bool? isDirty,
-    int? colorValue,
-    int? iconCodePoint,
     DateTime? updatedAt,
   }) => DbCategory(
     id: id ?? this.id,
-    encryptedName: encryptedName ?? this.encryptedName,
+    name: name ?? this.name,
     serverVersion: serverVersion ?? this.serverVersion,
     isDeleted: isDeleted ?? this.isDeleted,
+    colorValue: colorValue.present ? colorValue.value : this.colorValue,
+    iconCodePoint: iconCodePoint.present
+        ? iconCodePoint.value
+        : this.iconCodePoint,
     isDirty: isDirty ?? this.isDirty,
-    colorValue: colorValue ?? this.colorValue,
-    iconCodePoint: iconCodePoint ?? this.iconCodePoint,
     updatedAt: updatedAt ?? this.updatedAt,
   );
   DbCategory copyWithCompanion(CategoriesCompanion data) {
     return DbCategory(
       id: data.id.present ? data.id.value : this.id,
-      encryptedName: data.encryptedName.present
+      name: data.name.present ? data.name.value : this.name,
-          ? data.encryptedName.value
-          : this.encryptedName,
       serverVersion: data.serverVersion.present
           ? data.serverVersion.value
           : this.serverVersion,
       isDeleted: data.isDeleted.present ? data.isDeleted.value : this.isDeleted,
-      isDirty: data.isDirty.present ? data.isDirty.value : this.isDirty,
       colorValue: data.colorValue.present
           ? data.colorValue.value
           : this.colorValue,
       iconCodePoint: data.iconCodePoint.present
           ? data.iconCodePoint.value
           : this.iconCodePoint,
+      isDirty: data.isDirty.present ? data.isDirty.value : this.isDirty,
       updatedAt: data.updatedAt.present ? data.updatedAt.value : this.updatedAt,
     );
   }
@@ -977,9 +972,11 @@ class DbCategory extends DataClass implements Insertable<DbCategory> {
   String toString() {
     return (StringBuffer('DbCategory(')
           ..write('id: $id, ')
-          ..write('encryptedName: $encryptedName, ')
+          ..write('name: $name, ')
           ..write('serverVersion: $serverVersion, ')
           ..write('isDeleted: $isDeleted, ')
+          ..write('colorValue: $colorValue, ')
+          ..write('iconCodePoint: $iconCodePoint, ')
           ..write('isDirty: $isDirty, ')
           ..write('updatedAt: $updatedAt')
           ..write(')'))
@@ -989,9 +986,11 @@ class DbCategory extends DataClass implements Insertable<DbCategory> {
   @override
   int get hashCode => Object.hash(
     id,
-    encryptedName,
+    name,
     serverVersion,
     isDeleted,
+    colorValue,
+    iconCodePoint,
     isDirty,
     updatedAt,
   );
@@ -1000,66 +999,68 @@ class DbCategory extends DataClass implements Insertable<DbCategory> {
       identical(this, other) ||
       (other is DbCategory &&
           other.id == this.id &&
-          other.encryptedName == this.encryptedName &&
+          other.name == this.name &&
           other.serverVersion == this.serverVersion &&
           other.isDeleted == this.isDeleted &&
+          other.colorValue == this.colorValue &&
+          other.iconCodePoint == this.iconCodePoint &&
           other.isDirty == this.isDirty &&
           other.updatedAt == this.updatedAt);
 }
 
 class CategoriesCompanion extends UpdateCompanion<DbCategory> {
   final Value<String> id;
-  final Value<String> encryptedName;
+  final Value<String> name;
   final Value<int> serverVersion;
   final Value<bool> isDeleted;
+  final Value<int?> colorValue;
+  final Value<int?> iconCodePoint;
   final Value<bool> isDirty;
   final Value<DateTime> updatedAt;
   final Value<int> rowid;
-  final Value<int?> colorValue;
-  final Value<int?> iconCodePoint;
   const CategoriesCompanion({
     this.id = const Value.absent(),
-    this.encryptedName = const Value.absent(),
+    this.name = const Value.absent(),
     this.serverVersion = const Value.absent(),
     this.isDeleted = const Value.absent(),
-    this.isDirty = const Value.absent(),
     this.colorValue = const Value.absent(),
     this.iconCodePoint = const Value.absent(),
+    this.isDirty = const Value.absent(),
     this.updatedAt = const Value.absent(),
     this.rowid = const Value.absent(),
   });
   CategoriesCompanion.insert({
     required String id,
-    required String encryptedName,
+    required String name,
     this.serverVersion = const Value.absent(),
     this.isDeleted = const Value.absent(),
-    this.isDirty = const Value.absent(),
     this.colorValue = const Value.absent(),
     this.iconCodePoint = const Value.absent(),
+    this.isDirty = const Value.absent(),
     required DateTime updatedAt,
     this.rowid = const Value.absent(),
   }) : id = Value(id),
-       encryptedName = Value(encryptedName),
+       name = Value(name),
        updatedAt = Value(updatedAt);
   static Insertable<DbCategory> custom({
     Expression<String>? id,
-    Expression<String>? encryptedName,
+    Expression<String>? name,
     Expression<int>? serverVersion,
     Expression<bool>? isDeleted,
-    Expression<bool>? isDirty,
     Expression<int>? colorValue,
     Expression<int>? iconCodePoint,
+    Expression<bool>? isDirty,
     Expression<DateTime>? updatedAt,
     Expression<int>? rowid,
   }) {
     return RawValuesInsertable({
       if (id != null) 'id': id,
-      if (encryptedName != null) 'encrypted_name': encryptedName,
+      if (name != null) 'name': name,
       if (serverVersion != null) 'server_version': serverVersion,
       if (isDeleted != null) 'is_deleted': isDeleted,
-      if (isDirty != null) 'is_dirty': isDirty,
       if (colorValue != null) 'color_value': colorValue,
       if (iconCodePoint != null) 'icon_code_point': iconCodePoint,
+      if (isDirty != null) 'is_dirty': isDirty,
       if (updatedAt != null) 'updated_at': updatedAt,
       if (rowid != null) 'rowid': rowid,
     });
@@ -1067,23 +1068,23 @@ class CategoriesCompanion extends UpdateCompanion<DbCategory> {
 
   CategoriesCompanion copyWith({
     Value<String>? id,
-    Value<String>? encryptedName,
+    Value<String>? name,
     Value<int>? serverVersion,
     Value<bool>? isDeleted,
+    Value<int?>? colorValue,
+    Value<int?>? iconCodePoint,
     Value<bool>? isDirty,
-    Value<int>? colorValue,
-    Value<int>? iconCodePoint,
     Value<DateTime>? updatedAt,
     Value<int>? rowid,
   }) {
     return CategoriesCompanion(
       id: id ?? this.id,
-      encryptedName: encryptedName ?? this.encryptedName,
+      name: name ?? this.name,
       serverVersion: serverVersion ?? this.serverVersion,
       isDeleted: isDeleted ?? this.isDeleted,
-      isDirty: isDirty ?? this.isDirty,
       colorValue: colorValue ?? this.colorValue,
       iconCodePoint: iconCodePoint ?? this.iconCodePoint,
+      isDirty: isDirty ?? this.isDirty,
       updatedAt: updatedAt ?? this.updatedAt,
       rowid: rowid ?? this.rowid,
     );
@@ -1095,8 +1096,8 @@ class CategoriesCompanion extends UpdateCompanion<DbCategory> {
     if (id.present) {
       map['id'] = Variable<String>(id.value);
     }
-    if (encryptedName.present) {
+    if (name.present) {
-      map['encrypted_name'] = Variable<String>(encryptedName.value);
+      map['name'] = Variable<String>(name.value);
     }
     if (serverVersion.present) {
       map['server_version'] = Variable<int>(serverVersion.value);
@@ -1104,15 +1105,15 @@ class CategoriesCompanion extends UpdateCompanion<DbCategory> {
     if (isDeleted.present) {
       map['is_deleted'] = Variable<bool>(isDeleted.value);
     }
-    if (isDirty.present) {
-      map['is_dirty'] = Variable<bool>(isDirty.value);
-    }
     if (colorValue.present) {
       map['color_value'] = Variable<int>(colorValue.value);
     }
     if (iconCodePoint.present) {
       map['icon_code_point'] = Variable<int>(iconCodePoint.value);
     }
+    if (isDirty.present) {
+      map['is_dirty'] = Variable<bool>(isDirty.value);
+    }
     if (updatedAt.present) {
       map['updated_at'] = Variable<DateTime>(updatedAt.value);
     }
@@ -1126,9 +1127,11 @@ class CategoriesCompanion extends UpdateCompanion<DbCategory> {
   String toString() {
     return (StringBuffer('CategoriesCompanion(')
           ..write('id: $id, ')
-          ..write('encryptedName: $encryptedName, ')
+          ..write('name: $name, ')
           ..write('serverVersion: $serverVersion, ')
           ..write('isDeleted: $isDeleted, ')
+          ..write('colorValue: $colorValue, ')
+          ..write('iconCodePoint: $iconCodePoint, ')
           ..write('isDirty: $isDirty, ')
           ..write('updatedAt: $updatedAt, ')
           ..write('rowid: $rowid')
@@ -1444,9 +1447,11 @@ typedef $$NotesTableProcessedTableManager =
 typedef $$CategoriesTableCreateCompanionBuilder =
     CategoriesCompanion Function({
       required String id,
-      required String encryptedName,
+      required String name,
       Value<int> serverVersion,
       Value<bool> isDeleted,
+      Value<int?> colorValue,
+      Value<int?> iconCodePoint,
       Value<bool> isDirty,
       required DateTime updatedAt,
       Value<int> rowid,
@@ -1454,9 +1459,11 @@ typedef $$CategoriesTableCreateCompanionBuilder =
 typedef $$CategoriesTableUpdateCompanionBuilder =
     CategoriesCompanion Function({
       Value<String> id,
-      Value<String> encryptedName,
+      Value<String> name,
       Value<int> serverVersion,
       Value<bool> isDeleted,
+      Value<int?> colorValue,
+      Value<int?> iconCodePoint,
       Value<bool> isDirty,
       Value<DateTime> updatedAt,
       Value<int> rowid,
@@ -1476,8 +1483,8 @@ class $$CategoriesTableFilterComposer
     builder: (column) => ColumnFilters(column),
   );
 
-  ColumnFilters<String> get encryptedName => $composableBuilder(
+  ColumnFilters<String> get name => $composableBuilder(
-    column: $table.encryptedName,
+    column: $table.name,
     builder: (column) => ColumnFilters(column),
   );
 
@@ -1491,6 +1498,16 @@ class $$CategoriesTableFilterComposer
     builder: (column) => ColumnFilters(column),
   );
 
+  ColumnFilters<int> get colorValue => $composableBuilder(
+    column: $table.colorValue,
+    builder: (column) => ColumnFilters(column),
+  );
+
+  ColumnFilters<int> get iconCodePoint => $composableBuilder(
+    column: $table.iconCodePoint,
+    builder: (column) => ColumnFilters(column),
+  );
+
   ColumnFilters<bool> get isDirty => $composableBuilder(
     column: $table.isDirty,
     builder: (column) => ColumnFilters(column),
@@ -1516,8 +1533,8 @@ class $$CategoriesTableOrderingComposer
     builder: (column) => ColumnOrderings(column),
   );
 
-  ColumnOrderings<String> get encryptedName => $composableBuilder(
+  ColumnOrderings<String> get name => $composableBuilder(
-    column: $table.encryptedName,
+    column: $table.name,
     builder: (column) => ColumnOrderings(column),
   );
 
@@ -1531,6 +1548,16 @@ class $$CategoriesTableOrderingComposer
     builder: (column) => ColumnOrderings(column),
   );
 
+  ColumnOrderings<int> get colorValue => $composableBuilder(
+    column: $table.colorValue,
+    builder: (column) => ColumnOrderings(column),
+  );
+
+  ColumnOrderings<int> get iconCodePoint => $composableBuilder(
+    column: $table.iconCodePoint,
+    builder: (column) => ColumnOrderings(column),
+  );
+
   ColumnOrderings<bool> get isDirty => $composableBuilder(
     column: $table.isDirty,
     builder: (column) => ColumnOrderings(column),
@@ -1554,10 +1581,8 @@ class $$CategoriesTableAnnotationComposer
   GeneratedColumn<String> get id =>
       $composableBuilder(column: $table.id, builder: (column) => column);
 
-  GeneratedColumn<String> get encryptedName => $composableBuilder(
+  GeneratedColumn<String> get name =>
-    column: $table.encryptedName,
+      $composableBuilder(column: $table.name, builder: (column) => column);
-    builder: (column) => column,
-  );
 
   GeneratedColumn<int> get serverVersion => $composableBuilder(
     column: $table.serverVersion,
@@ -1567,6 +1592,16 @@ class $$CategoriesTableAnnotationComposer
   GeneratedColumn<bool> get isDeleted =>
       $composableBuilder(column: $table.isDeleted, builder: (column) => column);
 
+  GeneratedColumn<int> get colorValue => $composableBuilder(
+    column: $table.colorValue,
+    builder: (column) => column,
+  );
+
+  GeneratedColumn<int> get iconCodePoint => $composableBuilder(
+    column: $table.iconCodePoint,
+    builder: (column) => column,
+  );
+
   GeneratedColumn<bool> get isDirty =>
       $composableBuilder(column: $table.isDirty, builder: (column) => column);
 
@@ -1606,17 +1641,21 @@ class $$CategoriesTableTableManager
           updateCompanionCallback:
               ({
                 Value<String> id = const Value.absent(),
-                Value<String> encryptedName = const Value.absent(),
+                Value<String> name = const Value.absent(),
                 Value<int> serverVersion = const Value.absent(),
                 Value<bool> isDeleted = const Value.absent(),
+                Value<int?> colorValue = const Value.absent(),
+                Value<int?> iconCodePoint = const Value.absent(),
                 Value<bool> isDirty = const Value.absent(),
                 Value<DateTime> updatedAt = const Value.absent(),
                 Value<int> rowid = const Value.absent(),
               }) => CategoriesCompanion(
                 id: id,
-                encryptedName: encryptedName,
+                name: name,
                 serverVersion: serverVersion,
                 isDeleted: isDeleted,
+                colorValue: colorValue,
+                iconCodePoint: iconCodePoint,
                 isDirty: isDirty,
                 updatedAt: updatedAt,
                 rowid: rowid,
@@ -1624,17 +1663,21 @@ class $$CategoriesTableTableManager
           createCompanionCallback:
               ({
                 required String id,
-                required String encryptedName,
+                required String name,
                 Value<int> serverVersion = const Value.absent(),
                 Value<bool> isDeleted = const Value.absent(),
+                Value<int?> colorValue = const Value.absent(),
+                Value<int?> iconCodePoint = const Value.absent(),
                 Value<bool> isDirty = const Value.absent(),
                 required DateTime updatedAt,
                 Value<int> rowid = const Value.absent(),
               }) => CategoriesCompanion.insert(
                 id: id,
-                encryptedName: encryptedName,
+                name: name,
                 serverVersion: serverVersion,
                 isDeleted: isDeleted,
+                colorValue: colorValue,
+                iconCodePoint: iconCodePoint,
                 isDirty: isDirty,
                 updatedAt: updatedAt,
                 rowid: rowid,

lib/data/note_encryption.dart

@@ -44,7 +44,7 @@ class NoteEncryption {
   }
 
   /// Desencripta el contenido de una nota usando el master key
-  static Future<String> decryptNote(
+  static Future<String> decrypt(
     String encodedBox,
     String masterKey,
   ) async {

lib/data/note_repository.dart

@@ -39,15 +39,10 @@ class NoteRepository {
     final List<DbCategory> dbCategories = await _database.getAllCategories();
     final List<Category> categories = [];
     for (final DbCategory row in dbCategories) {
-      try {
-        final String decryptedName = await NoteEncryption.decryptNote(
-          row.encryptedName,
-          _masterKey,
-        );
       categories.add(
         Category(
           id: row.id,
-            name: decryptedName,
+          name: row.name,
           serverVersion: row.serverVersion,
           isDeleted: row.isDeleted,
           updatedAt: row.updatedAt,
@@ -56,24 +51,17 @@ class NoteRepository {
           iconCodePoint: row.iconCodePoint,
         ),
       );
-      } catch (e) {
-        debugPrint('Error al desencriptar categoría: $e');
-      }
     }
     return categories;
   }
 
   Future<void> createCategory(Category category) async {
     debugPrint('createCategory called with: ${category.name}');
-    final String encryptedName = await NoteEncryption.encryptNote(
+
-      category.name,
-      _masterKey,
-    );
-    debugPrint('Category name encrypted');
     await _database.upsertCategory(
       CategoriesCompanion.insert(
         id: category.id,
-        encryptedName: encryptedName,
+        name: category.name,
         updatedAt: category.updatedAt,
         serverVersion: const Value(0),
         isDeleted: const Value(false),
@@ -317,19 +305,19 @@ class NoteRepository {
     // Apply categories from server
     for (final SyncCategoryResponse catResponse
         in response.changes.categories) {
-      // Store the encrypted blob received from the server directly in the DB.
+      final Category category = await catResponse.toCategory(
-      // Decryption is only performed when loading categories for display.
+        masterKey: _masterKey,
-      final String encryptedBlob = catResponse.encryptedName;
+      );
 
       await _database.upsertCategory(
         CategoriesCompanion(
-          id: Value(catResponse.id),
+          id: Value(category.id),
-          encryptedName: Value(encryptedBlob),
+          name: Value(category.name),
-          serverVersion: Value(catResponse.serverVersion),
+          serverVersion: Value(category.serverVersion),
-          isDeleted: Value(catResponse.isDeleted),
+          isDeleted: Value(category.isDeleted),
-          colorValue: Value<int?>(catResponse.colorValue),
+          colorValue: Value<int?>(category.colorValue),
-          iconCodePoint: Value<int?>(catResponse.iconCodePoint),
+          iconCodePoint: Value<int?>(category.iconCodePoint),
-          updatedAt: Value(catResponse.updatedAt),
+          updatedAt: Value(category.updatedAt),
           isDirty: const Value(false),
         ),
       );
@@ -490,16 +478,11 @@ Future<List<SyncCategoryPayload>> _encryptCategories(
   final List<SyncCategoryPayload> payloads = [];
 
   for (final DbCategory row in categories) {
-    // The DB already stores the encrypted name blob in `encryptedName`.
-    // Use it directly when building the sync payload and preserve
-    // color/icon values from the DB row so they are sent to the server.
-    final String encryptedName = row.encryptedName;
-
     payloads.add(
-      SyncCategoryPayload.fromCategory(
+      await SyncCategoryPayload.fromCategory(
         Category(
           id: row.id,
-          name: row.encryptedName,
+          name: row.name,
           serverVersion: row.serverVersion,
           isDeleted: row.isDeleted,
           updatedAt: row.updatedAt,
@@ -507,7 +490,7 @@ Future<List<SyncCategoryPayload>> _encryptCategories(
           colorValue: row.colorValue,
           iconCodePoint: row.iconCodePoint,
         ),
-        encryptedName: encryptedName,
+        masterKey: masterKey,
       ),
     );
   }
@@ -668,11 +651,11 @@ Future<List<Map<String, Object?>>> _decryptNoteBatch(
     String decryptedBody = 'Encrypted';
     if (!isPermanentlyDeleted) {
       try {
-        decryptedTitle = await NoteEncryption.decryptNote(
+        decryptedTitle = await NoteEncryption.decrypt(
           note['encryptedTitle']! as String,
           masterKey,
         );
-        decryptedBody = await NoteEncryption.decryptNote(
+        decryptedBody = await NoteEncryption.decrypt(
           note['encryptedBody']! as String,
           masterKey,
         );

lib/data/sync_models.dart

@@ -1,3 +1,4 @@
+import 'package:notas/data/note_encryption.dart';
 import 'package:notas/models/note.dart';
 import 'package:notas/models/category.dart';
 import 'dart:convert';
@@ -108,13 +109,13 @@ class SyncCategoryPayload {
   final int? iconCodePoint;
   final DateTime updatedAt;
 
-  factory SyncCategoryPayload.fromCategory(
+  static Future<SyncCategoryPayload> fromCategory(
     Category category, {
-    required String encryptedName,
+    required String masterKey,
-  }) {
+  }) async {
     return SyncCategoryPayload(
       id: category.id,
-      encryptedName: encryptedName,
+      encryptedName: await NoteEncryption.encryptNote(category.name, masterKey),
       serverVersion: category.serverVersion,
       isDeleted: category.isDeleted,
       colorValue: category.colorValue,
@@ -249,10 +250,10 @@ class SyncCategoryResponse {
     );
   }
 
-  Category toCategory({required String name}) {
+  Future<Category> toCategory({required String masterKey}) async {
     return Category(
       id: id,
-      name: name,
+      name: await NoteEncryption.decrypt(encryptedName, masterKey),
       serverVersion: serverVersion,
       isDeleted: isDeleted,
       colorValue: colorValue,

lib/screens/home_screen.dart

@@ -1,3 +1,4 @@
+import 'dart:async';
 import 'dart:math' as math;
 
 import 'package:flutter/gestures.dart';
@@ -832,13 +833,17 @@ class _CategoryDialogState extends State<_CategoryDialog> {
   Color? _selectedColor;
   IconData? _selectedIcon;
   int _selectedSection = 0;
+  bool _nameHasError = false;
+  bool _isSaving = false;
 
   @override
   void initState() {
     super.initState();
     _controller = TextEditingController(text: widget.category?.name ?? '');
     _selectedColor =
-        widget.category != null && widget.category!.colorValue != null
+        widget.category == null
+        ? CategoryStyle.colors.first
+        : widget.category!.colorValue != null
             ? Color(widget.category!.colorValue!)
             : null;
     if (widget.category != null && widget.category!.iconCodePoint != null) {
@@ -846,6 +851,8 @@ class _CategoryDialogState extends State<_CategoryDialog> {
         (IconData icon) => icon.codePoint == widget.category!.iconCodePoint,
         orElse: () => CategoryStyle.icons.first,
       );
+    } else if (widget.category == null) {
+      _selectedIcon = CategoryStyle.icons.first;
     }
   }
 
@@ -856,12 +863,24 @@ class _CategoryDialogState extends State<_CategoryDialog> {
   }
 
   Future<void> _saveCategory() async {
+    if (_isSaving) {
+      return;
+    }
+
     final String name = _controller.text.trim();
     if (name.isEmpty) {
+      setState(() {
+        _nameHasError = true;
+      });
       return;
     }
 
     try {
+      setState(() {
+        _nameHasError = false;
+        _isSaving = true;
+      });
+
       final Category newCategory = Category(
         id: widget.category?.id,
         name: name,
@@ -881,16 +900,19 @@ class _CategoryDialogState extends State<_CategoryDialog> {
       await widget.repository.createCategory(newCategory);
       await widget.onCategoriesChanged();
 
-      try {
-        await widget.onRequestSync();
-      } catch (_) {}
       if (mounted) {
-        await widget.onCategoryDeleted();
-        if (!mounted) return;
         Navigator.pop(context);
       }
+
+      widget.onRequestSync().catchError((_) {});
+  
     } catch (e) {
       debugPrint('ERROR creating category: $e');
+      if (mounted) {
+        setState(() {
+          _isSaving = false;
+        });
+      }
       if (mounted) {
         ScaffoldMessenger.of(
           context,
@@ -899,6 +921,24 @@ class _CategoryDialogState extends State<_CategoryDialog> {
     }
   }
 
+  Future<void> _runPostSaveCallbacks({
+    required Future<void> Function() onCategoriesChanged,
+    required Future<void> Function() onRequestSync,
+    required Future<void> Function() onCategoryDeleted,
+  }) async {
+    try {
+      await onCategoriesChanged();
+    } catch (_) {}
+
+    try {
+      await onCategoryDeleted();
+    } catch (_) {}
+
+    unawaited(
+      onRequestSync().catchError((_) {}),
+    );
+  }
+
   Future<void> _deleteCategory() async {
     final bool? confirm = await showDialog<bool>(
       context: context,
@@ -954,8 +994,17 @@ class _CategoryDialogState extends State<_CategoryDialog> {
           children: [
             TextField(
               controller: _controller,
+              onChanged: (_) {
+                if (_nameHasError) {
+                  setState(() {
+                    _nameHasError = false;
+                  });
+                }
+              },
               decoration: const InputDecoration(
                 hintText: 'Nombre de la categoría',
+              ).copyWith(
+                errorText: _nameHasError ? 'El nombre es obligatorio' : null,
               ),
             ),
             const SizedBox(height: 16),
@@ -1085,8 +1134,14 @@ class _CategoryDialogState extends State<_CategoryDialog> {
           child: const Text('Cancelar'),
         ),
         TextButton(
-          onPressed: _saveCategory,
+          onPressed: _isSaving ? null : _saveCategory,
-          child: Text(widget.category == null ? 'Crear' : 'Guardar'),
+          child: _isSaving
+              ? const SizedBox(
+                  width: 16,
+                  height: 16,
+                  child: CircularProgressIndicator(strokeWidth: 2),
+                )
+              : Text(widget.category == null ? 'Crear' : 'Guardar'),
         ),
       ],
     );

lib/widgets/category_style.dart

@@ -15,7 +15,7 @@ class CategoryStyle {
   ];
 
   static const List<IconData> icons = <IconData>[
-    Icons.folder,
+    Icons.label_outline_rounded,
     Icons.work,
     Icons.star,
     Icons.home,