Add base model

lib/model.dart

@@ -0,0 +1,3 @@
+library model;
+
+export 'src/model/base.dart';

lib/src/model/base.dart

@@ -0,0 +1,33 @@
+import 'dart:convert';
+
+abstract class BaseModel<T> {
+  BaseModel();
+
+  Map<String, dynamic> toMap();
+
+  T fromMap(Map<String, dynamic> map);
+
+  T fromJson(String json) {
+    return fromMap(decode(json));
+  }
+
+  @override
+  String toString() {
+    return toMap().toString();
+  }
+
+  @override
+  bool operator ==(Object other) {
+    if (identical(this, other)) return true;
+
+    return other is BaseModel && other.toMap() == toMap();
+  }
+
+  @override
+  int get hashCode => toMap().hashCode;
+
+  String toJson() => encode(toMap());
+
+  dynamic decode(String json) => jsonDecode(json);
+  String encode(dynamic json) => jsonEncode(json);
+}