feat: ( payment ) create payment microservice

apps/edr-payment-api/src/modules/webhooks/webhook-events.repository.ts

@@ -0,0 +1,44 @@
+import { Injectable } from "@nestjs/common";
+import { InjectRepository } from "@nestjs/typeorm";
+import { QueryFailedError, Repository } from "typeorm";
+import { BaseRepository } from "@edr/api-common";
+import { PaymentWebhookEvent } from "./entities/payment-webhook-event.entity";
+
+const PG_UNIQUE_VIOLATION = "23505";
+
+@Injectable()
+export class WebhookEventsRepository extends BaseRepository<PaymentWebhookEvent> {
+  constructor(
+    @InjectRepository(PaymentWebhookEvent)
+    repository: Repository<PaymentWebhookEvent>,
+  ) {
+    super(repository);
+  }
+
+  /**
+   * Insert the event, relying on the unique (provider, external_event_id) index for dedupe.
+   * Returns null when the event was already recorded (duplicate delivery / provider replay).
+   */
+  async createDeduped(
+    data: Partial<PaymentWebhookEvent>,
+  ): Promise<PaymentWebhookEvent | null> {
+    try {
+      return await this.create(data);
+    } catch (err) {
+      if (
+        err instanceof QueryFailedError &&
+        (err.driverError as { code?: string })?.code === PG_UNIQUE_VIOLATION
+      ) {
+        return null;
+      }
+      throw err;
+    }
+  }
+
+  async markProcessed(id: string, processingError?: string): Promise<void> {
+    await this.update(id, {
+      processedAt: new Date(),
+      processingError: processingError ?? null,
+    });
+  }
+}