add auth

lib/features/news/domain/entities/blog_category.dart

@@ -0,0 +1,98 @@
+/// Domain Entity: Blog Category
+///
+/// Represents a blog/news category from the Frappe CMS.
+/// This entity contains category information for filtering news articles.
+///
+/// This is a pure domain entity with no external dependencies.
+library;
+
+/// Blog Category Entity
+///
+/// Contains information needed to display and filter blog categories:
+/// - Display title (Vietnamese)
+/// - URL-safe name/slug
+///
+/// Categories from the API:
+/// - Tin tức (News)
+/// - Chuyên môn (Professional/Technical)
+/// - Dự án (Projects)
+/// - Khuyến mãi (Promotions)
+class BlogCategory {
+  /// Display title of the category (e.g., "Tin tức", "Chuyên môn")
+  final String title;
+
+  /// URL-safe name/slug of the category (e.g., "tin-tức", "chuyên-môn")
+  /// Used for API filtering and routing
+  final String name;
+
+  /// Constructor
+  const BlogCategory({
+    required this.title,
+    required this.name,
+  });
+
+  /// Get category icon name based on the category
+  String get iconName {
+    switch (name) {
+      case 'tin-tức':
+        return 'newspaper';
+      case 'chuyên-môn':
+        return 'school';
+      case 'dự-án':
+        return 'construction';
+      case 'khuyến-mãi':
+        return 'local_offer';
+      default:
+        return 'category';
+    }
+  }
+
+  /// Get category color based on the category
+  String get colorHex {
+    switch (name) {
+      case 'tin-tức':
+        return '#005B9A'; // Primary blue
+      case 'chuyên-môn':
+        return '#2E7D32'; // Green
+      case 'dự-án':
+        return '#F57C00'; // Orange
+      case 'khuyến-mãi':
+        return '#C62828'; // Red
+      default:
+        return '#757575'; // Grey
+    }
+  }
+
+  /// Copy with method for immutability
+  BlogCategory copyWith({
+    String? title,
+    String? name,
+  }) {
+    return BlogCategory(
+      title: title ?? this.title,
+      name: name ?? this.name,
+    );
+  }
+
+  /// Equality operator
+  @override
+  bool operator ==(Object other) {
+    if (identical(this, other)) return true;
+
+    return other is BlogCategory &&
+        other.title == title &&
+        other.name == name;
+  }
+
+  /// Hash code
+  @override
+  int get hashCode {
+    return Object.hash(title, name);
+  }
+
+  /// String representation
+  @override
+  String toString() {
+    return 'BlogCategory(title: $title, name: $name)';
+  }
+}