feat: add balance transactions service (#120)

Author: TheNoim

src/services/balance-transactions.ts

@@ -0,0 +1,39 @@
+import type Stripe from "stripe";
+import type { FindMethod, ParamsWithStripe, ParamsWithStripeQuery } from "../types";
+import { BaseService } from "./base";
+
+export interface IBalanceTransactionService {
+  _find: FindMethod<ParamsWithStripeQuery<Stripe.BalanceTransactionListParams>, Stripe.BalanceTransaction>;
+  _get: (id: string, params: ParamsWithStripe) => Promise<Stripe.BalanceTransaction>;
+  _create: never;
+  _update: never;
+  _patch: never;
+  _remove: never;
+}
+
+export class BalanceTransactionService
+  extends BaseService<IBalanceTransactionService>
+  implements IBalanceTransactionService
+{
+  _get(id: string, params: ParamsWithStripe) {
+    let { stripe } = this.filterParams(params);
+    stripe = Object.assign({}, stripe);
+    if (id) {
+      stripe.stripeAccount = id;
+    }
+    return this.stripe.balanceTransactions.retrieve(undefined, stripe);
+  }
+
+  _find (params: ParamsWithStripeQuery<Stripe.BalanceTransactionListParams>) {
+    const filtered = this.filterParams(params);
+    return this.handlePaginate(
+      filtered,
+      this.stripe.balanceTransactions.list(filtered.query, filtered.stripe)
+    );
+  }
+  
+  _create: never;
+  _update: never;
+  _patch: never;
+  _remove: never;
+}

src/services/index.ts

@@ -2,6 +2,7 @@ export { AccountService } from "./account";
 export { AccountLinkService } from "./account-links";
 export { ApplicationFeeRefundService } from "./application-fee-refund";
 export { BalanceService } from "./balance";
+export { BalanceTransactionService } from "./balance-transactions";
 export { BankAccountService } from "./bank-account";
 export { ExternalAccountService } from "./external-account";
 export { CardService } from "./card";

test/index.test.ts

@@ -4,6 +4,7 @@ import {
   AccountLinkService,
   ApplicationFeeRefundService,
   BalanceService,
+  BalanceTransactionService,
   BankAccountService,
   ExternalAccountService,
   CardService,
@@ -37,6 +38,7 @@ const services = [
   AccountLinkService,
   ApplicationFeeRefundService,
   BalanceService,
+  BalanceTransactionService,
   BankAccountService,
   ExternalAccountService,
   CardService,