refactor(dto): group request and response models

src/data/dto/payment/response/payment_plans_response.ts

@@ -0,0 +1,45 @@
+/**
+ * 支付套餐列表响应 DTO
+ */
+import {
+  PaymentPlansResponseSchema,
+  type FirstRechargeOfferData,
+  type PaymentPlansResponseData,
+  type PaymentPlansResponseInput,
+} from "@/data/schemas/payment/payment_plans_response";
+
+import { PaymentPlan } from "../payment_plan";
+
+export class PaymentPlansResponse {
+  declare readonly isFirstRecharge: boolean;
+  declare readonly firstRechargeOffer: FirstRechargeOfferData | null;
+  declare readonly plans: PaymentPlan[];
+
+  private constructor(input: PaymentPlansResponseInput) {
+    const data = PaymentPlansResponseSchema.parse(input);
+    Object.assign(this, {
+      isFirstRecharge: data.isFirstRecharge,
+      firstRechargeOffer: data.firstRechargeOffer,
+      plans: data.plans.map((plan) => PaymentPlan.from(plan)),
+    });
+    Object.freeze(this);
+  }
+
+  static from(input: PaymentPlansResponseInput): PaymentPlansResponse {
+    return new PaymentPlansResponse(input);
+  }
+
+  static fromJson(json: unknown): PaymentPlansResponse {
+    return PaymentPlansResponse.from(json as PaymentPlansResponseInput);
+  }
+
+  toJson(): PaymentPlansResponseData {
+    return {
+      isFirstRecharge: this.isFirstRecharge,
+      firstRechargeOffer: this.firstRechargeOffer,
+      plans: this.plans.map((plan) => plan.toJson()),
+    };
+  }
+}
+
+export type FirstRechargeOffer = FirstRechargeOfferData;