organize

todo-flutter/lib/models/todo.dart

@@ -0,0 +1,55 @@
+class Todo {
+  final int? id;
+  final String title;
+  final bool completed;
+  final String category;
+  final String priority;
+  final int? createdAt;
+
+  Todo({
+    this.id,
+    required this.title,
+    this.completed = false,
+    this.category = 'Personal',
+    this.priority = 'medium',
+    this.createdAt,
+  });
+
+  Todo copyWith({
+    int? id,
+    String? title,
+    bool? completed,
+    String? category,
+    String? priority,
+    int? createdAt,
+  }) {
+    return Todo(
+      id: id ?? this.id,
+      title: title ?? this.title,
+      completed: completed ?? this.completed,
+      category: category ?? this.category,
+      priority: priority ?? this.priority,
+      createdAt: createdAt ?? this.createdAt,
+    );
+  }
+
+  Map<String, dynamic> toMap() {
+    return {
+      'title': title,
+      'completed': completed ? 1 : 0,
+      'category': category,
+      'priority': priority,
+    };
+  }
+
+  factory Todo.fromMap(Map<String, dynamic> map) {
+    return Todo(
+      id: map['id'] as int?,
+      title: map['title'] as String,
+      completed: (map['completed'] as int?) == 1,
+      category: map['category'] as String? ?? 'Personal',
+      priority: map['priority'] as String? ?? 'medium',
+      createdAt: map['created_at'] as int?,
+    );
+  }
+}