refa: article (#757)

Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>

lib/models/dynamics/opus_detail/item.dart

@@ -0,0 +1,29 @@
+import 'basic.dart';
+import 'module.dart';
+
+class Item {
+  Basic? basic;
+  String? idStr;
+  List<OpusModule>? modules;
+  int? type;
+
+  Item({this.basic, this.idStr, this.modules, this.type});
+
+  factory Item.fromJson(Map<String, dynamic> json) => Item(
+        basic: json['basic'] == null
+            ? null
+            : Basic.fromJson(json['basic'] as Map<String, dynamic>),
+        idStr: json['id_str'] as String?,
+        modules: (json['modules'] as List<dynamic>?)
+            ?.map((e) => OpusModule.fromJson(e as Map<String, dynamic>))
+            .toList(),
+        type: json['type'] as int?,
+      );
+
+  Map<String, dynamic> toJson() => {
+        'basic': basic?.toJson(),
+        'id_str': idStr,
+        'modules': modules?.map((e) => e.toJson()).toList(),
+        'type': type,
+      };
+}