chunithm: Save and load user duel list

src/chunithm/proto/userDuelList.ts

@@ -0,0 +1,26 @@
+import { Crush, readBoolean, readDate, writeObject } from "./base";
+import { UserDuelListItem } from "../model/userDuelList";
+
+export type UserDuelListJson = Crush<UserDuelListItem>;
+
+export function readUserDuelList(
+  json: UserDuelListJson
+): UserDuelListItem {
+  return {
+    duelId: parseInt(json.duelId),
+    progress: parseInt(json.progress),
+    point: parseInt(json.point),
+    isClear: readBoolean(json.isClear),
+    lastPlayDate: readDate(json.lastPlayDate),
+    param1: parseInt(json.param1),
+    param2: parseInt(json.param2),
+    param3: parseInt(json.param3),
+    param4: parseInt(json.param4),
+  };
+}
+
+export function writeUserDuelList(
+  obj: UserDuelListItem
+): UserDuelListJson {
+  return writeObject(obj);
+}