refactor

core/payments/application/use-cases/CreatePaymentUseCase.ts

@@ -0,0 +1,79 @@
+/**
+ * Application Use Case: CreatePaymentUseCase
+ *
+ * Creates a new payment.
+ */
+
+import type { IPaymentRepository } from '../../domain/repositories/IPaymentRepository';
+import type { PaymentType, PayerType, PaymentStatus, Payment } from '../../domain/entities/Payment';
+import type {
+  ICreatePaymentPresenter,
+  CreatePaymentResultDTO,
+  CreatePaymentViewModel,
+} from '../presenters/ICreatePaymentPresenter';
+import type { UseCase } from '@gridpilot/shared/application/UseCase';
+
+const PLATFORM_FEE_RATE = 0.10;
+
+export interface CreatePaymentInput {
+  type: PaymentType;
+  amount: number;
+  payerId: string;
+  payerType: PayerType;
+  leagueId: string;
+  seasonId?: string;
+}
+
+export class CreatePaymentUseCase
+  implements UseCase<CreatePaymentInput, CreatePaymentResultDTO, CreatePaymentViewModel, ICreatePaymentPresenter>
+{
+  constructor(private readonly paymentRepository: IPaymentRepository) {}
+
+  async execute(
+    input: CreatePaymentInput,
+    presenter: ICreatePaymentPresenter,
+  ): Promise<void> {
+    presenter.reset();
+
+    const { type, amount, payerId, payerType, leagueId, seasonId } = input;
+
+    const platformFee = amount * PLATFORM_FEE_RATE;
+    const netAmount = amount - platformFee;
+
+    const id = `payment-${Date.now()}-${Math.random().toString(36).substr(2, 9)}`;
+    const payment: Payment = {
+      id,
+      type,
+      amount,
+      platformFee,
+      netAmount,
+      payerId,
+      payerType,
+      leagueId,
+      seasonId,
+      status: 'pending' as PaymentStatus,
+      createdAt: new Date(),
+    };
+
+    const createdPayment = await this.paymentRepository.create(payment);
+
+    const dto: CreatePaymentResultDTO = {
+      payment: {
+        id: createdPayment.id,
+        type: createdPayment.type,
+        amount: createdPayment.amount,
+        platformFee: createdPayment.platformFee,
+        netAmount: createdPayment.netAmount,
+        payerId: createdPayment.payerId,
+        payerType: createdPayment.payerType,
+        leagueId: createdPayment.leagueId,
+        seasonId: createdPayment.seasonId,
+        status: createdPayment.status,
+        createdAt: createdPayment.createdAt,
+        completedAt: createdPayment.completedAt,
+      },
+    };
+
+    presenter.present(dto);
+  }
+}