feat: ( payment ) create payment microservice

apps/edr-payment-api/src/modules/providers/providers.module.ts

@@ -0,0 +1,46 @@
+import { Module } from "@nestjs/common";
+import { HttpModule } from "@nestjs/axios";
+import {
+  CardProvider,
+  CbeBirrProvider,
+  DMoneyProvider,
+  EBirrProvider,
+  PaymentProvider,
+  TelebirrProvider,
+  WaafiProvider,
+} from "@edr/payment-providers";
+import { ProviderMethod } from "@edr/types";
+
+/** Injection token for the Map<ProviderMethod, PaymentProvider> used to select a gateway. */
+export const PAYMENT_PROVIDER_MAP = Symbol("PAYMENT_PROVIDER_MAP");
+
+export type PaymentProviderMap = Map<ProviderMethod, PaymentProvider>;
+
+const providerClasses = [
+  TelebirrProvider,
+  CbeBirrProvider,
+  EBirrProvider,
+  CardProvider,
+  WaafiProvider,
+  DMoneyProvider,
+];
+
+/**
+ * Thin DI wiring around @edr/payment-providers — the exact provider set the passenger app
+ * used to construct, relocated here. After cutover this service is the only consumer of the
+ * provider SDK and of the provider secrets (config/{waafi,telebirr,…}.config.ts).
+ */
+@Module({
+  imports: [HttpModule.register({ timeout: 10_000 })],
+  providers: [
+    ...providerClasses,
+    {
+      provide: PAYMENT_PROVIDER_MAP,
+      useFactory: (...providers: PaymentProvider[]): PaymentProviderMap =>
+        new Map(providers.map((provider) => [provider.method, provider])),
+      inject: providerClasses,
+    },
+  ],
+  exports: [PAYMENT_PROVIDER_MAP, ...providerClasses],
+})
+export class ProvidersModule {}