michangarrito/apps/backend/dist/modules/subscriptions/subscriptions.service.js

"use strict";
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
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};
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    return function (target, key) { decorator(target, key, paramIndex); }
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Object.defineProperty(exports, "__esModule", { value: true });
exports.SubscriptionsService = void 0;
const common_1 = require("@nestjs/common");
const typeorm_1 = require("@nestjs/typeorm");
const typeorm_2 = require("typeorm");
const plan_entity_1 = require("./entities/plan.entity");
const subscription_entity_1 = require("./entities/subscription.entity");
const token_balance_entity_1 = require("./entities/token-balance.entity");
const token_usage_entity_1 = require("./entities/token-usage.entity");
let SubscriptionsService = class SubscriptionsService {
    constructor(planRepo, subscriptionRepo, tokenBalanceRepo, tokenUsageRepo) {
        this.planRepo = planRepo;
        this.subscriptionRepo = subscriptionRepo;
        this.tokenBalanceRepo = tokenBalanceRepo;
        this.tokenUsageRepo = tokenUsageRepo;
    }
    async getPlans() {
        return this.planRepo.find({
            where: { status: 'active' },
            order: { priceMonthly: 'ASC' },
        });
    }
    async getPlanByCode(code) {
        const plan = await this.planRepo.findOne({ where: { code } });
        if (!plan) {
            throw new common_1.NotFoundException('Plan no encontrado');
        }
        return plan;
    }
    async getSubscription(tenantId) {
        return this.subscriptionRepo.findOne({
            where: { tenantId },
            relations: ['plan'],
        });
    }
    async createSubscription(tenantId, planCode) {
        const plan = await this.getPlanByCode(planCode);
        const now = new Date();
        const periodEnd = new Date(now);
        periodEnd.setMonth(periodEnd.getMonth() + 1);
        const trialEnds = new Date(now);
        trialEnds.setDate(trialEnds.getDate() + 14);
        const subscription = this.subscriptionRepo.create({
            tenantId,
            planId: plan.id,
            currentPeriodStart: now,
            currentPeriodEnd: periodEnd,
            status: subscription_entity_1.SubscriptionStatus.TRIAL,
            trialEndsAt: trialEnds,
        });
        await this.subscriptionRepo.save(subscription);
        await this.initializeTokenBalance(tenantId, plan.includedTokens);
        return subscription;
    }
    async cancelSubscription(tenantId) {
        const subscription = await this.getSubscription(tenantId);
        if (!subscription) {
            throw new common_1.NotFoundException('Suscripción no encontrada');
        }
        subscription.cancelAtPeriodEnd = true;
        subscription.cancelledAt = new Date();
        return this.subscriptionRepo.save(subscription);
    }
    async getTokenBalance(tenantId) {
        let balance = await this.tokenBalanceRepo.findOne({ where: { tenantId } });
        if (!balance) {
            balance = await this.initializeTokenBalance(tenantId, 0);
        }
        return balance;
    }
    async initializeTokenBalance(tenantId, tokens) {
        const existing = await this.tokenBalanceRepo.findOne({ where: { tenantId } });
        if (existing) {
            existing.availableTokens = tokens;
            existing.lastResetAt = new Date();
            return this.tokenBalanceRepo.save(existing);
        }
        const balance = this.tokenBalanceRepo.create({
            tenantId,
            availableTokens: tokens,
            usedTokens: 0,
            lastResetAt: new Date(),
        });
        return this.tokenBalanceRepo.save(balance);
    }
    async consumeTokens(tenantId, tokensToUse, action, metadata) {
        const balance = await this.getTokenBalance(tenantId);
        if (balance.availableTokens < tokensToUse) {
            throw new common_1.BadRequestException(`Tokens insuficientes. Disponibles: ${balance.availableTokens}, Requeridos: ${tokensToUse}`);
        }
        const usage = this.tokenUsageRepo.create({
            tenantId,
            tokensUsed: tokensToUse,
            action,
            ...metadata,
        });
        await this.tokenUsageRepo.save(usage);
        balance.availableTokens -= tokensToUse;
        balance.usedTokens += tokensToUse;
        return this.tokenBalanceRepo.save(balance);
    }
    async addTokens(tenantId, tokens) {
        const balance = await this.getTokenBalance(tenantId);
        balance.availableTokens += tokens;
        return this.tokenBalanceRepo.save(balance);
    }
    async getTokenUsage(tenantId, limit = 50) {
        return this.tokenUsageRepo.find({
            where: { tenantId },
            order: { createdAt: 'DESC' },
            take: limit,
        });
    }
    async getSubscriptionStats(tenantId) {
        const subscription = await this.getSubscription(tenantId);
        const balance = await this.getTokenBalance(tenantId);
        const daysRemaining = subscription
            ? Math.max(0, Math.ceil((subscription.currentPeriodEnd.getTime() - Date.now()) / (1000 * 60 * 60 * 24)))
            : 0;
        return {
            subscription: subscription
                ? {
                    plan: subscription.plan?.name,
                    status: subscription.status,
                    currentPeriodEnd: subscription.currentPeriodEnd,
                    daysRemaining,
                    cancelAtPeriodEnd: subscription.cancelAtPeriodEnd,
                }
                : null,
            tokens: {
                available: balance.availableTokens,
                used: balance.usedTokens,
                total: balance.availableTokens + balance.usedTokens,
            },
        };
    }
};
exports.SubscriptionsService = SubscriptionsService;
exports.SubscriptionsService = SubscriptionsService = __decorate([
    (0, common_1.Injectable)(),
    __param(0, (0, typeorm_1.InjectRepository)(plan_entity_1.Plan)),
    __param(1, (0, typeorm_1.InjectRepository)(subscription_entity_1.Subscription)),
    __param(2, (0, typeorm_1.InjectRepository)(token_balance_entity_1.TokenBalance)),
    __param(3, (0, typeorm_1.InjectRepository)(token_usage_entity_1.TokenUsage)),
    __metadata("design:paramtypes", [typeorm_2.Repository,
        typeorm_2.Repository,
        typeorm_2.Repository,
        typeorm_2.Repository])
], SubscriptionsService);
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