yuzhiran
2fddd39301
- Add registrationGravity to pricing config (default 50, adjustable via admin) - Inject PricingService into UserService, read config for all 4 registration paths - Expose registrationGravity in /member/plans response for frontend - Login page fetches dynamic value from API, replaces hardcoded '50' - Update user.vue gravity card copy
80 lines
3.8 KiB
TypeScript
80 lines
3.8 KiB
TypeScript
import { Injectable } from '@nestjs/common'
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import { InjectModel } from '@nestjs/mongoose'
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import { Model } from 'mongoose'
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import { SiteConfig, SiteConfigDocument } from './site-config.schema'
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export interface GravityRates {
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interviewPerUse: number // 每次面试消耗引力值
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optimizePerUse: number // 每次优化消耗引力值
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downloadPerUse: number // 每次下载消耗引力值
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}
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interface PricingConfig {
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/** 新用户注册赠送引力值 */
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registrationGravity: number
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interview: { pricePerSession: number; creditsPerPurchase: number }
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resumeOptimize: { freeLimit: number; pricePerOptimize: number; creditsPerPurchase: number }
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resumeDownload: { pricePerDownload: number; creditsPerPurchase: number }
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gravityRates: GravityRates
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plans: {
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growth: { price: number; durationDays: number; gravityPerMonth: number; credits: { interview: number; resumeOptimize: number; resumeDownload: number }; features: string[] }
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sprint: { price: number; durationDays: number; gravityPerMonth: number; credits: { interview: number; resumeOptimize: number; resumeDownload: number }; features: string[] }
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}
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}
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const DEFAULT_PRICING: PricingConfig = {
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registrationGravity: 50,
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interview: { pricePerSession: 600, creditsPerPurchase: 1 },
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resumeOptimize: { freeLimit: 3, pricePerOptimize: 400, creditsPerPurchase: 1 },
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resumeDownload: { pricePerDownload: 200, creditsPerPurchase: 1 },
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gravityRates: { interviewPerUse: 5, optimizePerUse: 3, downloadPerUse: 2 },
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plans: {
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growth: { price: 1900, durationDays: 30, gravityPerMonth: 80, credits: { interview: 999, resumeOptimize: 20, resumeDownload: 10 }, features: ['免费版全部权益', 'AI 模拟面试（每次消耗 5 引力值，无限次）', '详细面试报告（四维评分 + 语音复盘）', '进步轨迹雷达图 + 打卡日历', '每日一题推送 + 参考思路', '公司真题库', '每月赠送 80 引力值，可用于面试/优化/下载'] },
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sprint: { price: 4900, durationDays: 30, gravityPerMonth: 200, credits: { interview: 999, resumeOptimize: 50, resumeDownload: 30 }, features: ['成长版全部权益', 'AI 语音深度分析（语气词/语速/停顿检测）', '技能缺口分析报告', '公司真题库精选', '每月赠送 200 引力值，可用于面试/优化/下载'] },
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},
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}
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@Injectable()
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export class PricingService {
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private cache: PricingConfig | null = null
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private cacheTime = 0
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constructor(
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@InjectModel(SiteConfig.name) private configModel: Model<SiteConfigDocument>,
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) {}
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async getConfig(): Promise<PricingConfig> {
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// Cache for 60s
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if (this.cache && Date.now() - this.cacheTime < 60000) {
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return this.cache
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}
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try {
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const doc = await this.configModel.findOne({ key: 'pricing' }).exec()
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if (doc?.value) {
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this.cache = this.mergeDefaults(doc.value)
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this.cacheTime = Date.now()
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return this.cache
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}
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} catch {}
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return DEFAULT_PRICING
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}
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invalidateCache() {
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this.cache = null
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}
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private mergeDefaults(value: any): PricingConfig {
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return {
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registrationGravity: value?.registrationGravity ?? DEFAULT_PRICING.registrationGravity,
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interview: { ...DEFAULT_PRICING.interview, ...value?.interview },
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resumeOptimize: { ...DEFAULT_PRICING.resumeOptimize, ...value?.resumeOptimize },
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resumeDownload: { ...DEFAULT_PRICING.resumeDownload, ...value?.resumeDownload },
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gravityRates: { ...DEFAULT_PRICING.gravityRates, ...value?.gravityRates },
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plans: {
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growth: { ...DEFAULT_PRICING.plans.growth, ...value?.plans?.growth, credits: { ...DEFAULT_PRICING.plans.growth.credits, ...value?.plans?.growth?.credits } },
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sprint: { ...DEFAULT_PRICING.plans.sprint, ...value?.plans?.sprint, credits: { ...DEFAULT_PRICING.plans.sprint.credits, ...value?.plans?.sprint?.credits } },
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},
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}
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}
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}
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