manifest/dist/backend/public-stats/public-stats.controller.js

Self-hosted Manifest LLM router with embedded server, SQLite database, and dashboard

"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;
    if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
    else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
    return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
    if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
var PublicStatsController_1;
Object.defineProperty(exports, "__esModule", { value: true });
exports.PublicStatsController = void 0;
const common_1 = require("@nestjs/common");
const public_decorator_1 = require("../common/decorators/public.decorator");
const cache_constants_1 = require("../common/constants/cache.constants");
const public_stats_service_1 = require("./public-stats.service");
let cachedUsage = null;
let usageTimestamp = 0;
let usageInflight = null;
let cachedFree = null;
let freeTimestamp = 0;
let freeInflight = null;
let cachedProviderTokens = null;
let providerTokensTimestamp = 0;
let providerTokensInflight = null;
let PublicStatsController = PublicStatsController_1 = class PublicStatsController {
    service;
    logger = new common_1.Logger(PublicStatsController_1.name);
    constructor(service) {
        this.service = service;
    }
    async getUsage() {
        if (cachedUsage && Date.now() - usageTimestamp < cache_constants_1.PUBLIC_STATS_CACHE_TTL_MS) {
            return cachedUsage;
        }
        if (!usageInflight) {
            usageInflight = this.refreshUsage().finally(() => {
                usageInflight = null;
            });
        }
        return usageInflight;
    }
    async getFreeModels() {
        if (cachedFree && Date.now() - freeTimestamp < cache_constants_1.PUBLIC_STATS_CACHE_TTL_MS) {
            return cachedFree;
        }
        if (!freeInflight) {
            freeInflight = this.refreshFreeModels().finally(() => {
                freeInflight = null;
            });
        }
        return freeInflight;
    }
    async getProviderTokens() {
        if (cachedProviderTokens && Date.now() - providerTokensTimestamp < cache_constants_1.PUBLIC_STATS_CACHE_TTL_MS) {
            return cachedProviderTokens;
        }
        if (!providerTokensInflight) {
            providerTokensInflight = this.refreshProviderTokens().finally(() => {
                providerTokensInflight = null;
            });
        }
        return providerTokensInflight;
    }
    async refreshUsage() {
        try {
            const stats = await this.service.getUsageStats();
            cachedUsage = {
                total_messages: stats.total_messages,
                top_models: stats.top_models,
                cached_at: new Date().toISOString(),
            };
            usageTimestamp = Date.now();
        }
        catch (err) {
            const msg = err instanceof Error ? err.message : String(err);
            this.logger.error(`Failed to fetch usage stats: ${msg}`);
        }
        return (cachedUsage ?? { total_messages: 0, top_models: [], cached_at: new Date().toISOString() });
    }
    async refreshFreeModels() {
        try {
            const stats = await this.service.getUsageStats();
            const models = this.service.getFreeModels(stats.token_map);
            cachedFree = {
                models,
                total_models: models.length,
                cached_at: new Date().toISOString(),
            };
            freeTimestamp = Date.now();
        }
        catch (err) {
            const msg = err instanceof Error ? err.message : String(err);
            this.logger.error(`Failed to fetch free models: ${msg}`);
        }
        return cachedFree ?? { models: [], total_models: 0, cached_at: new Date().toISOString() };
    }
    async refreshProviderTokens() {
        try {
            const providers = await this.service.getProviderDailyTokens();
            cachedProviderTokens = {
                providers,
                cached_at: new Date().toISOString(),
            };
            providerTokensTimestamp = Date.now();
        }
        catch (err) {
            const msg = err instanceof Error ? err.message : String(err);
            this.logger.error(`Failed to fetch provider tokens: ${msg}`);
        }
        return cachedProviderTokens ?? { providers: [], cached_at: new Date().toISOString() };
    }
};
exports.PublicStatsController = PublicStatsController;
__decorate([
    (0, public_decorator_1.Public)(),
    (0, common_1.Get)('usage'),
    __metadata("design:type", Function),
    __metadata("design:paramtypes", []),
    __metadata("design:returntype", Promise)
], PublicStatsController.prototype, "getUsage", null);
__decorate([
    (0, public_decorator_1.Public)(),
    (0, common_1.Get)('free-models'),
    __metadata("design:type", Function),
    __metadata("design:paramtypes", []),
    __metadata("design:returntype", Promise)
], PublicStatsController.prototype, "getFreeModels", null);
__decorate([
    (0, public_decorator_1.Public)(),
    (0, common_1.Get)('provider-tokens'),
    __metadata("design:type", Function),
    __metadata("design:paramtypes", []),
    __metadata("design:returntype", Promise)
], PublicStatsController.prototype, "getProviderTokens", null);
exports.PublicStatsController = PublicStatsController = PublicStatsController_1 = __decorate([
    (0, common_1.Controller)('api/v1/public'),
    __metadata("design:paramtypes", [public_stats_service_1.PublicStatsService])
], PublicStatsController);
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