Initial commit of edr-passenger-api alpha version

apps/edr-passenger-api/src/modules/wallet/wallet.controller.ts

@@ -0,0 +1,14 @@
+import { Body, Controller, Get, Param, Post, UseGuards } from '@nestjs/common';
+import { ApiTags, ApiOperation, ApiBearerAuth } from '@nestjs/swagger';
+import { WalletService } from './wallet.service';
+import { JwtGuard } from '../../common/jwt.guard';
+
+@ApiTags('Wallet')
+@Controller('wallet')
+@UseGuards(JwtGuard)
+@ApiBearerAuth('JWT-auth')
+export class WalletController {
+  constructor(private service: WalletService) {}
+  @Get(':passengerId')          @ApiOperation({ summary: 'Get wallet balance and ledger' }) getWallet(@Param('passengerId') id: string) { return this.service.getWallet(id); }
+  @Post(':passengerId/topup')   @ApiOperation({ summary: 'Top up wallet' })                 topUp(@Param('passengerId') id: string, @Body('amountMinor') amount: number) { return this.service.topUp(id, amount); }
+}

apps/edr-passenger-api/src/modules/wallet/wallet.module.ts

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+import { Module } from '@nestjs/common';
+import { WalletController } from './wallet.controller';
+import { WalletService } from './wallet.service';
+
+@Module({ controllers: [WalletController], providers: [WalletService] })
+export class WalletModule {}

apps/edr-passenger-api/src/modules/wallet/wallet.service.ts

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+import { Injectable, NotFoundException } from '@nestjs/common';
+import { PrismaService } from '../../common/prisma.service';
+
+@Injectable()
+export class WalletService {
+  constructor(private prisma: PrismaService) {}
+
+  async getWallet(passengerId: string) {
+    const wallet = await this.prisma.walletAccount.findUnique({ where: { passengerId }, include: { ledger: { orderBy: { createdAt: 'desc' }, take: 20 } } });
+    if (!wallet) throw new NotFoundException('Wallet not found');
+    return wallet;
+  }
+
+  async topUp(passengerId: string, amountMinor: number, description = 'Top-up') {
+    const wallet = await this.prisma.walletAccount.findUnique({ where: { passengerId } });
+    if (!wallet) throw new NotFoundException('Wallet not found');
+    const newBalance = wallet.balanceMinor + amountMinor;
+    await this.prisma.walletAccount.update({ where: { passengerId }, data: { balanceMinor: newBalance } });
+    return this.prisma.walletLedgerEntry.create({ data: { walletId: wallet.id, type: 'CREDIT', amountMinor, balanceAfterMinor: newBalance, description } });
+  }
+}