feat: Admin定价管理界面 + 定价DB配置化 (P2)

backend/src/modules/member/member.controller.ts

@@ -6,46 +6,11 @@ import { PaymentOrder, PaymentOrderDocument } from '../payment/payment-order.sch
 import { JwtAuthGuard } from '../../common/guards/jwt-auth.guard'
 import { CurrentUser } from '../../common/decorators/current-user.decorator'
 import { QuotaService } from '../user/quota.service'
+import { PricingService } from '../schemas/pricing.service'
 import { Public } from '../../common/decorators/public.decorator'
 
-const GROWTH_PRICE = 1990
-const SPRINT_PRICE = 4990
-const DURATION_DAYS = 30
 const FREE_DAILY_LIMIT = 2
 
-interface PlanConfig {
-  id: string
-  name: string
-  price: number
-  dailyLimit: number
-  features: string[]
-}
-
-const PLANS: Record<string, PlanConfig> = {
-  free: {
-    id: 'free', name: '免费版', price: 0, dailyLimit: FREE_DAILY_LIMIT,
-    features: [
-      'AI 模拟面试 1 次（体验）', '基础面试报告', '通用题库随机出题', '简历优化（限 3 次免费）',
-    ],
-  },
-  growth: {
-    id: 'growth', name: '成长版', price: GROWTH_PRICE, dailyLimit: 999,
-    features: [
-      '免费版全部权益', 'AI 数字人面试无限次', '详细面试报告（四维评分）',
-      '进步轨迹雷达图 + 打卡', '每日一题推送', '参考回答思路', '公司真题库',
-      '简历优化 20 次/月', '简历下载 10 次/月',
-    ],
-  },
-  sprint: {
-    id: 'sprint', name: '冲刺版', price: SPRINT_PRICE, dailyLimit: 999,
-    features: [
-      '成长版全部权益', 'AI 语音分析（语气词/语速检测）', '技能缺口分析报告',
-      '学习路径推荐', '真人导师 1v1 点评（每月 1 次）', '简历精修（每月 1 次）', '内推优先',
-      '简历优化 50 次/月', '简历下载 30 次/月',
-    ],
-  },
-}
-
 @Controller('member')
 @UseGuards(JwtAuthGuard)
 export class MemberController {
@@ -55,21 +20,41 @@ export class MemberController {
     @InjectModel(User.name) private userModel: Model<UserDocument>,
     @InjectModel(PaymentOrder.name) private orderModel: Model<PaymentOrderDocument>,
     private quotaService: QuotaService,
+    private pricingService: PricingService,
   ) {}
 
   @Public()
   @Get('plans')
-  getPlans() {
+  async getPlans() {
+    const pricing = await this.pricingService.getConfig()
+    const plans = [
+      {
+        id: 'free', name: '免费版', price: 0,
+        priceDisplay: '免费',
+        dailyLimit: FREE_DAILY_LIMIT,
+        features: ['AI 模拟面试 1 次（体验）', '基础面试报告', '通用题库随机出题', '简历优化（限 3 次免费）'],
+        credits: { interview: 1, resumeOptimize: 0, resumeDownload: 0 },
+      },
+    ]
+
+    for (const planId of ['growth', 'sprint'] as const) {
+      const cfg = pricing.plans[planId]
+      if (cfg) {
+        plans.push({
+          id: planId,
+          name: planId === 'growth' ? '成长版' : '冲刺版',
+          price: cfg.price,
+          priceDisplay: `¥${(cfg.price / 100).toFixed(1)}/月`,
+          dailyLimit: 999,
+          features: cfg.features,
+          credits: cfg.credits,
+        })
+      }
+    }
+
     return {
       interview: { dailyFreeLimit: FREE_DAILY_LIMIT, maxRoundsFree: 5, maxRoundsVip: 10 },
-      diagnosis: { dailyFreeLimit: 2 },
-      optimize: { dailyFreeLimit: 2 },
-      price: { monthly: GROWTH_PRICE, sprint: SPRINT_PRICE },
-      plans: Object.values(PLANS).map(p => ({
-        id: p.id, name: p.name, price: p.price,
-        priceDisplay: p.price === 0 ? '免费' : `¥${(p.price / 100).toFixed(1)}/月`,
-        dailyLimit: p.dailyLimit, features: p.features,
-      })),
+      plans,
     }
   }
 
@@ -77,12 +62,11 @@ export class MemberController {
   async getStatus(@CurrentUser('userId') userId: string) {
     const user = await this.userModel.findById(userId).exec()
     if (!user) throw new HttpException('用户不存在', HttpStatus.NOT_FOUND)
-    const planConfig = PLANS[user.plan] || PLANS.free
     return {
       plan: user.plan,
-      planName: planConfig.name,
+      planName: user.plan === 'growth' ? '成长版' : user.plan === 'sprint' ? '冲刺版' : '免费版',
       remaining: user.remaining,
-      dailyLimit: planConfig.dailyLimit,
+      dailyLimit: user.plan !== 'free' ? 999 : FREE_DAILY_LIMIT,
       vipExpireAt: user.vipExpireAt,
       sprintExpireAt: user.sprintExpireAt,
       sprintRemaining: user.sprintRemaining || 0,
@@ -105,22 +89,20 @@ export class MemberController {
     if (!order) throw new HttpException('订单不存在', HttpStatus.NOT_FOUND)
     if (order.status !== 'success') throw new HttpException('支付未完成', HttpStatus.BAD_REQUEST)
 
+    const pricing = await this.pricingService.getConfig()
+    const planCfg = pricing.plans[order.plan === 'sprint' ? 'sprint' : 'growth']
     const expireAt = new Date()
-    expireAt.setDate(expireAt.getDate() + DURATION_DAYS)
-    const credits = { interview: 999, resumeOptimize: 20, resumeDownload: 10 }
+    expireAt.setDate(expireAt.getDate() + planCfg.durationDays)
     if (order.plan === 'sprint') {
       user.plan = 'sprint'
       user.sprintExpireAt = expireAt
       user.sprintRemaining = 10
-      credits.interview = 999
-      credits.resumeOptimize = 50
-      credits.resumeDownload = 30
     } else {
       user.plan = 'growth'
       user.vipExpireAt = expireAt
     }
-    await this.quotaService.setPlanQuota(userId, order.plan, credits)
-    return { success: true, plan: user.plan, planName: PLANS[user.plan]?.name, expireAt }
+    await this.quotaService.setPlanQuota(userId, order.plan, planCfg.credits)
+    return { success: true, plan: user.plan, planName: user.plan === 'growth' ? '成长版' : '冲刺版', expireAt }
   }
 
   /** 扣减冲刺版权益次数 */