From 8942c3bb0247c25e9f9b539e539ad31781b47d0f Mon Sep 17 00:00:00 2001
From: toririm <longtimedragon@icloud.com>
Date: Sat, 7 Sep 2024 19:57:38 +0900
Subject: [PATCH] impl: ItemEntity

---
 app/models/item.ts | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/app/models/item.ts b/app/models/item.ts
index 5c4982d8..46765bd2 100644
--- a/app/models/item.ts
+++ b/app/models/item.ts
@@ -17,3 +17,20 @@ export type Item = z.infer<typeof itemSchema>;
 export type ItemWithId = Required<Item>;
 
 export type ItemType = Pick<Item, "type">["type"];
+
+export class ItemEntity implements Item {
+  private constructor(
+    public readonly id: string | undefined,
+    public readonly name: string,
+    public readonly price: number,
+    public readonly type: ItemType,
+  ) {}
+
+  static createNew({ name, price, type }: Item): ItemEntity {
+    return new ItemEntity(undefined, name, price, type);
+  }
+
+  static fromItem(item: ItemWithId): ItemEntity {
+    return new ItemEntity(item.id, item.name, item.price, item.type);
+  }
+}