init

src/modules/users/repositories/wallet-transaction.repository.ts

@@ -0,0 +1,21 @@
+import { Injectable } from '@nestjs/common';
+import { EntityManager, EntityRepository } from '@mikro-orm/postgresql';
+import { WalletTransaction } from '../entities/wallet-transaction.entity';
+
+@Injectable()
+export class WalletTransactionRepository extends EntityRepository<WalletTransaction> {
+  constructor(readonly em: EntityManager) {
+    super(em, WalletTransaction);
+  }
+  async getCurrentWalletBalance(userId: string, restaurantId: string): Promise<number> {
+    const walletTransaction = await this.em.findOne(
+      WalletTransaction,
+      {
+        user: { id: userId },
+        restaurant: { id: restaurantId },
+      },
+      { orderBy: { createdAt: 'desc' } },
+    );
+    return walletTransaction?.balance || 0;
+  }
+}