Initial commit of edr-passenger-api alpha version

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

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+import { Body, Controller, Get, Param, Post, UseGuards } from '@nestjs/common';
+import { ApiTags, ApiOperation, ApiBearerAuth } from '@nestjs/swagger';
+import { PromosService } from './promos.service';
+import { CreatePromotionDto } from './promos.dto';
+import { JwtGuard } from '../../common/jwt.guard';
+
+@ApiTags('Promotions')
+@Controller('promos')
+export class PromosController {
+  constructor(private service: PromosService) {}
+  @Get()                  @ApiOperation({ summary: 'Get active promotions' })       getActive() { return this.service.getActive(); }
+  @Get('validate/:code')  @ApiOperation({ summary: 'Validate a promo code' })       validate(@Param('code') code: string) { return this.service.validate(code); }
+  @Post() @UseGuards(JwtGuard) @ApiBearerAuth('JWT-auth') @ApiOperation({ summary: 'Create promotion (admin)' }) create(@Body() dto: CreatePromotionDto) { return this.service.create(dto); }
+}

apps/edr-passenger-api/src/modules/promos/promos.dto.ts

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+import { IsString, IsOptional, IsInt } from 'class-validator';
+import { ApiProperty, ApiPropertyOptional } from '@nestjs/swagger';
+
+export class CreatePromotionDto {
+  @ApiProperty({ example: 'Weekend Special' }) @IsString() title: string;
+  @ApiPropertyOptional({ example: '15% off all routes' }) @IsOptional() @IsString() subtitle?: string;
+  @ApiProperty({ example: 'WEEKEND15' }) @IsString() code: string;
+  @ApiPropertyOptional({ example: 15 }) @IsOptional() @IsInt() percentOff?: number;
+  @ApiPropertyOptional({ example: 5000 }) @IsOptional() @IsInt() amountOffMinor?: number;
+  @ApiProperty({ example: '2026-12-31T23:59:59Z' }) @IsString() validUntil: string;
+  @ApiPropertyOptional({ example: 'Book Now' }) @IsOptional() @IsString() ctaLabel?: string;
+  @ApiPropertyOptional({ example: 'edr://search' }) @IsOptional() @IsString() deepLink?: string;
+}

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

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+import { Module } from '@nestjs/common';
+import { PromosController } from './promos.controller';
+import { PromosService } from './promos.service';
+
+@Module({ controllers: [PromosController], providers: [PromosService] })
+export class PromosModule {}

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

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+import { Injectable } from '@nestjs/common';
+import { PrismaService } from '../../common/prisma.service';
+import { CreatePromotionDto } from './promos.dto';
+
+@Injectable()
+export class PromosService {
+  constructor(private prisma: PrismaService) {}
+
+  getActive() { return this.prisma.promotion.findMany({ where: { active: true, validUntil: { gte: new Date() } }, orderBy: { createdAt: 'desc' } }); }
+
+  async validate(code: string) {
+    const promo = await this.prisma.promotion.findUnique({ where: { code } });
+    if (!promo || !promo.active || promo.validUntil < new Date()) return { applicable: false, message: 'Promo code invalid or expired' };
+    return { code: promo.code, percentOff: promo.percentOff, amountOffMinor: promo.amountOffMinor, validUntil: promo.validUntil, applicable: true, message: promo.percentOff ? `${promo.percentOff}% off` : `ETB ${((promo.amountOffMinor ?? 0) / 100).toFixed(2)} off` };
+  }
+
+  create(dto: CreatePromotionDto) {
+    return this.prisma.promotion.create({ data: { ...dto, validUntil: new Date(dto.validUntil) } });
+  }
+}