我正在做 API 和微服务项目 - freecodecamp 中的锻炼跟踪器项目
我已经建立了一个在本地运行良好的迷你项目，所以我将它托管在 glitch.com
在那我面临一些错误项目链接请帮我解决这个问题
服务器.js
const express = require("express");
const app = express();
const bodyParser = require("body-parser");
const cors = require("cors");
const { newUser, addExercise, showLogs } = require("./api/index.js");
const mongoose = require("mongoose");
mongoose.connect(process.env.MLAB_URI || "mongodb://localhost/exercise-track");
app.use(cors());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(bodyParser.json());
app.use(express.static("public"));
app.get("/", (req, res) => {
res.sendFile(__dirname + "/views/index.html");
});
app.post("/exercise/new-user", (req, res) => newUser(req, res));
app.post("/exercise/add", (req, res) => addExercise(req, res));
app.get("/exercise/log", (req, res) => showLogs(req, res));
// Not found middleware
app.use((req, res, next) => {
return next({ status: 404, message: "not found" });
});
// Error Handling middleware
app.use((err, req, res, next) => {
let errCode, errMessage;
if (err.errors) {
// mongoose validation error
errCode = 400; // bad request
const keys = Object.keys(err.errors);
// report the first validation error
errMessage = err.errors[keys[0]].message;
} else {
// generic or custom error
errCode = err.status || 500;
errMessage = err.message || "Internal Server Error";
}
res
.status(errCode)
.type("txt")
.send(errMessage);
});
const listener = app.listen(process.env.PORT || 3000, () => {
console.log("Your app is listening on port " + listener.address().port);
});
index.js 文件在这里
const User = require ('../model/user.js');
const Exercise = require ('../model/exercise.js');
const moment = require ('moment');
exports.newUser = function(req, res) {
let name = req.body.username;
if (!name) name = 'Mr/Mrs Doe';
User.findOne({ name: name })
.then( (user) => {
if (user) return new Promise( (resolve,reject) => reject('User already exists') );
else return new User({ name }).save();
})
.then( (newUser) => {
if(!newUser.isNew) res.json({ userId: newUser.userId, name: newUser.name });
})
.catch( (error) => res.status(422).json({ error }) );
};
exports.addExercise = function(req, res) {
// Dates are coming in in this format = 'YYYY-MM-DD';
let { userId, description, duration, date } = req.body;
console.log('description:', description, ' - duration: ', duration, ' - date: ', date);
if (!description) description = 'No description provided';
if (!duration) duration = '0';
if (!date) date = moment();
User.findOne({ userId })
.then( (user) => {
if (user) {
// console.log('---1. Date: ', date);
const exercise = new Exercise({ description, duration, date });
exercise.userId.push(user);
user.exercises.push(exercise);
return Promise.all([exercise.save(), user.save()]);
}
else return new Promise( (resolve,reject) => reject('UserId not found') );
})
.then( (exercise) => {
if(!exercise.isNew) res.json({ userId, description, duration, date: moment(date).format('D MMM, YYYY') });
else return new Promise( (resolve,reject) => reject('Exercise could not be saved') );
})
.catch( (error) => res.status(422).json({ error }) );
};
exports.showLogs = function(req, res) {
const { userIdLogs, fromDate, toDate } = req.query;
var populateExercises = (from, to) => {
let params = {
path: 'exercises',
// match: { date : populateExercises(fromDate, toDate) },
select: 'description duration date',
options: { sort: { date: -1 }}
};
if(from && to) params.match = { date : { $gte: from, $lte: to } };
else if (from) params.match = { date : { $gte: from } };
else if (to) params.match = { date : { $lte: to } };
return params;
};
// see if the userId exists
User.findOne({ userId: userIdLogs })
.populate( populateExercises(fromDate, toDate) )
.then( (user) => {
if (!user) return new Promise( (resolve,reject) => reject('UserId not found') );
else {
const { userId, name } = user;
res.json({
search: { userId, name, fromDate, toDate },
total: user.total,
exercises: user.exercises.map(function(exercise){
// exercise.bla = moment(exercise.date).format('D MMM, YYYY');
return {
_id: exercise._id,
description: exercise.description,
duration: exercise.duration,
date: moment(exercise.date).format('D MMM, YYYY')
};
})
});
}
})
.catch( (error) => res.status(422).json({ error }));
};
错误日志在这里
module.js:478
throw err;
^
Error: Cannot find module '../model/exercise.js'
at Function.Module._resolveFilename (module.js:476:15)
at Function.Module._load (module.js:424:25)
at Module.require (module.js:504:17)
at require (internal/module.js:20:19)
at Object.<anonymous> (/app/api/index.js:2:18)
at Module._compile (module.js:577:32)
at Object.Module._extensions..js (module.js:586:10)
at Module.load (module.js:494:32)
at tryModuleLoad (module.js:453:12)
at Function.Module._load (module.js:445:3)
at Module.require (module.js:504:17)
at require (internal/module.js:20:19)
at Object.<anonymous> (/app/server.js:6:44)
at Module._compile (module.js:577:32)
at Object.Module._extensions..js (module.js:586:10)
at Module.load (module.js:494:32)
module.js:478
throw err;
^
Error: Cannot find module '../model/exercise.js'
at Function.Module._resolveFilename (module.js:476:15)
at Function.Module._load (module.js:424:25)
at Module.require (module.js:504:17)
at require (internal/module.js:20:19)
at Object.<anonymous> (/app/api/index.js:2:18)
at Module._compile (module.js:577:32)
at Object.Module._extensions..js (module.js:586:10)
at Module.load (module.js:494:32)
at tryModuleLoad (module.js:453:12)
at Function.Module._load (module.js:445:3)
at Module.require (module.js:504:17)
at require (internal/module.js:20:19)
at Object.<anonymous> (/app/server.js:6:44)
at Module._compile (module.js:577:32)
at Object.Module._extensions..js (module.js:586:10)
at Module.load (module.js:494:32)
但在我的本地它工作正常，我可以运行我的项目