online payment

src/modules/user/controllers/users.controller.ts

@@ -1,4 +1,4 @@
-import { Controller, Get, UseGuards, Patch, Body} from '@nestjs/common';
+import { Controller, Get, UseGuards, Patch, Body } from '@nestjs/common';
 import { ApiTags, ApiBearerAuth, ApiOperation, ApiBody, ApiOkResponse } from '@nestjs/swagger';
 import { AuthGuard } from 'src/modules/auth/guards/auth.guard';
 import { UserService } from '../providers/user.service';
@@ -14,14 +14,14 @@ import { AdminAuthGuard } from 'src/modules/auth/guards/adminAuth.guard';
 import { UserSuccessMessage } from 'src/common/enums/message.enum';
 import { Permissions } from 'src/common/decorators/permissions.decorator';
 import { Permission } from 'src/common/enums/permission.enum';
-import { WalletService } from '../providers/wallet.service';
+import { CreditService } from '../providers/credit.service';
 
 @ApiTags('User')
 @Controller()
 export class UsersController {
   constructor(
     private readonly userService: UserService,
-    private readonly walletService: WalletService,
+    private readonly walletService: CreditService,
   ) { }
 
   @UseGuards(AuthGuard)

src/modules/user/providers/credit.service.ts

@@ -1,19 +1,40 @@
 import { Injectable, NotFoundException, BadRequestException } from '@nestjs/common';
 import { FilterQuery } from '@mikro-orm/core';
 import { EntityManager } from '@mikro-orm/postgresql';
-import { CreditTransactionRepository } from '../repositories/credit-transaction.repository';
+import { CreditRepository } from '../repositories/credit.repository';
 import { FindWalletTransactionsDto } from '../dto/find-wallet-transactions.dto';
 import { PaginatedResult } from 'src/common/interfaces/pagination.interface';
 import { CreditTransaction } from '../entities/credit-transaction.entity';
+import { UserRepository } from '../repositories/user.repository';
 
 
 @Injectable()
-export class WalletService {
+export class CreditService {
   constructor(
-    // private readonly walletTransactionRepository: CreditTransactionRepository,
- 
+    private readonly creditRepository: CreditRepository,
+    private readonly userRepository: UserRepository,
+
   ) { }
 
+  async getCurrentCredit(userId: string,): Promise<number> {
+    const user = await this.userRepository.findOne(userId)
+    if (!user) {
+      throw new BadRequestException("User not found")
+    }
+    const maxCredit = user.maxCredit
+
+    const latestTransaction = await this.creditRepository.findOne(
+      {
+        user: { id: userId },
+      },
+      { orderBy: { createdAt: 'desc' } },
+    );
+    const balance = latestTransaction?.balance || 0
+
+    const remained = maxCredit - balance
+    
+    return remained
+  }
   // async getUserWalletTransactions(
   //   userId: string,
   //   dto: FindWalletTransactionsDto,

src/modules/user/repositories/credit-transaction.repository.ts

@@ -1,20 +0,0 @@
-import { Injectable } from '@nestjs/common';
-import { EntityManager, EntityRepository } from '@mikro-orm/postgresql';
-import { CreditTransaction } from '../entities/credit-transaction.entity';
-
-@Injectable()
-export class CreditTransactionRepository extends EntityRepository<CreditTransaction> {
-  constructor(readonly em: EntityManager) {
-    super(em, CreditTransaction);
-  }
-  async getCurrentCredit(userId: string,): Promise<number> {
-    const lastRow = await this.em.findOne(
-      CreditTransaction,
-      {
-        user: { id: userId },
-      },
-      { orderBy: { createdAt: 'desc' } },
-    );
-    return lastRow?.balance || 0;
-  }
-}

src/modules/user/repositories/credit.repository.ts

@@ -0,0 +1,11 @@
+import { Injectable } from '@nestjs/common';
+import { EntityManager, EntityRepository } from '@mikro-orm/postgresql';
+import { CreditTransaction } from '../entities/credit-transaction.entity';
+
+@Injectable()
+export class CreditRepository extends EntityRepository<CreditTransaction> {
+  constructor(readonly em: EntityManager) {
+    super(em, CreditTransaction);
+  }
+
+}

src/modules/user/user.module.ts

@@ -6,17 +6,28 @@ import { User } from './entities/user.entity';
 import { UserAddress } from './entities/user-address.entity';
 import { JwtModule } from '@nestjs/jwt';
 import { UserRepository } from './repositories/user.repository';
-import { CreditTransactionRepository } from './repositories/credit-transaction.repository';
-import { WalletService } from './providers/wallet.service';
+import { CreditRepository } from './repositories/credit.repository';
+import { CreditService } from './providers/credit.service';
 import { CreditTransaction } from './entities/credit-transaction.entity';
 
 @Module({
-  providers: [UserService, WalletService, UserRepository, CreditTransactionRepository, CreditTransactionRepository],
+  providers: [
+    UserService,
+    CreditService,
+    UserRepository,
+    CreditRepository,
+  ],
   controllers: [UsersController],
   imports: [
     MikroOrmModule.forFeature([User, UserAddress, CreditTransaction]),
     JwtModule,
   ],
-  exports: [UserService, WalletService, UserRepository, CreditTransactionRepository, CreditTransactionRepository],
+  exports: [
+    UserService,
+    CreditService,
+    UserRepository,
+    CreditRepository,
+    CreditRepository
+  ],
 })
 export class UserModule { }