89 lines
2.4 KiB
TypeScript
89 lines
2.4 KiB
TypeScript
// server/utils/runtimeState.ts - 服务启动时间内存状态 + 问答记录 DB 读写
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import { answerCache } from "~~/server/utils/cache";
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import { prisma } from "~~/server/utils/db";
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import { serverEnv } from "~~/server/utils/env";
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/** 进程启动时间，用于 `/api/stats` 返回 uptime */
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const startTime = Date.now();
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/** 对外展示的服务版本，和 README/API 文档保持一致 */
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export const SERVICE_VERSION = "1.1.0";
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/** 格式化成本地 `YYYY-MM-DD HH:mm:ss`，对齐旧 Python 服务记录格式 */
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export const formatLocalDateTime = (date: Date) => {
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const pad = (value: number) => value.toString().padStart(2, "0");
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return `${date.getFullYear()}-${pad(date.getMonth() + 1)}-${pad(
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date.getDate()
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)} ${pad(date.getHours())}:${pad(date.getMinutes())}:${pad(
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date.getSeconds()
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)}`;
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};
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/**
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* 向数据库写入一条问答记录
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*/
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export const addQaRecord = async (record: {
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userId: string;
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question: string;
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type: string;
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options: string;
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answer: string;
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}) => {
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await prisma.qaRecord.create({
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data: {
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userId: record.userId,
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question: record.question,
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type: record.type,
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options: record.options || null,
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answer: record.answer || null
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}
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});
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};
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/**
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* 从数据库分页读取指定用户的问答记录，按创建时间倒序
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*/
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export const getQaRecords = async (
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userId: string,
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options: { page: number; size: number }
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) => {
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const { page, size } = options;
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const skip = (page - 1) * size;
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const [total, rows] = await Promise.all([
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prisma.qaRecord.count({ where: { userId } }),
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prisma.qaRecord.findMany({
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where: { userId },
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orderBy: { createdAt: "desc" },
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skip,
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take: size,
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select: {
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question: true,
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type: true,
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options: true,
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answer: true,
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createdAt: true
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}
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})
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]);
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const records = rows.map((r) => ({
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time: formatLocalDateTime(r.createdAt),
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timestamp: r.createdAt.toISOString(),
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question: r.question,
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type: r.type,
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options: r.options ?? "",
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answer: r.answer ?? ""
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}));
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return { records, total };
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};
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/** 生成 `/api/stats` 响应，实时计算 uptime 和有效缓存数量 */
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export const getRuntimeStats = () => {
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return {
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version: SERVICE_VERSION,
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uptime: (Date.now() - startTime) / 1000,
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model: serverEnv.openAiModel,
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cache_enabled: serverEnv.enableCache,
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cache_size: answerCache?.size() ?? 0
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};
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};
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