refa: article (#757)

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

lib/models/dynamics/opus_detail/paragraph.dart

@@ -0,0 +1,42 @@
+import 'pic.dart';
+import 'text.dart';
+
+class Paragraph {
+  int? align;
+  int? paraType;
+  ParagraphText? text;
+  Pic? pic;
+  Line? line;
+
+  Paragraph({this.align, this.paraType, this.text, this.pic, this.line});
+
+  factory Paragraph.fromJson(Map<String, dynamic> json) => Paragraph(
+        align: json['align'] as int?,
+        paraType: json['para_type'] as int?,
+        text: json['text'] == null
+            ? null
+            : ParagraphText.fromJson(json['text'] as Map<String, dynamic>),
+        pic: json['pic'] == null
+            ? null
+            : Pic.fromJson(json['pic'] as Map<String, dynamic>),
+        line: json['line'] == null ? null : Line.fromJson(json['line']),
+      );
+
+  Map<String, dynamic> toJson() => {
+        'align': align,
+        'para_type': paraType,
+        'text': text?.toJson(),
+        'pic': pic?.toJson(),
+      };
+}
+
+class Line {
+  Line({
+    this.pic,
+  });
+  Pic? pic;
+
+  Line.fromJson(Map<String, dynamic> json) {
+    pic = json['pic'] == null ? null : Pic.fromJson(json['pic']);
+  }
+}