70 lines
2.0 KiB
JavaScript
70 lines
2.0 KiB
JavaScript
const createError = require("http-errors");
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const express = require("express");
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const path = require("path");
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const cookieParser = require("cookie-parser");
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const logger = require("morgan");
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const session = require("express-session");
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const { ServiceError, UnknownError } = require("./utils/errors");
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// 默认读取项目根目录下的 .env 环境变量文件
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require("dotenv").config();
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// 进行数据库初始化
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require("./db/init");
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// 引入路由
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const bookRouter = require("./routes/book");
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const issueRouter = require("./routes/issue");
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const adminRouter = require("./routes/admin");
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const captchaRouter = require("./routes/captcha");
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const userRouter = require("./routes/user");
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const typeRouter = require("./routes/type");
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const interviewRouter = require("./routes/interview");
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const commentRouter = require("./routes/comment");
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const uploadRouter = require("./routes/upload");
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// 创建服务器实例
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const app = express();
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// 使用 session 中间件
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app.use(
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session({
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secret: process.env.SESSION_SECRET,
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resave: true,
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saveUninitialized: true,
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})
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);
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app.use(logger("dev"));
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app.use(express.json());
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app.use(express.urlencoded({ extended: false }));
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app.use(cookieParser());
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app.use(express.static(path.join(__dirname, "public")));
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// 使用路由中间件
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app.use("/api/book", bookRouter);
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app.use("/api/issue", issueRouter);
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app.use("/api/admin", adminRouter);
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app.use("/api/user", userRouter);
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app.use("/api/type", typeRouter);
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app.use("/api/comment", commentRouter);
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app.use("/api/interview", interviewRouter);
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app.use("/api/upload", uploadRouter);
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app.use("/res/captcha", captchaRouter);
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// catch 404 and forward to error handler
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app.use(function (req, res, next) {
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next(createError(404));
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});
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// 错误处理，一旦发生了错误，就会到这里来
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app.use(function (err, req, res, next) {
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if (err instanceof ServiceError) {
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res.send(err.toResponseJSON());
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} else {
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res.send(new UnknownError().toResponseJSON());
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throw err;
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}
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});
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module.exports = app;
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