Exercise Tracker MicroService

Exercise_Tracker.md

Exercise Tracker

This is the boilerplate for the Exercise Tracker project. Instructions for building your project can be found at https://www.freecodecamp.org/learn/apis-and-microservices/apis-and-microservices-projects/exercise-tracker

Work:https://replit.com/@blangue/boilerplate-project-exercisetracker#index.js

index.js

const express = require('express')
const app = express()
const cors = require('cors')
var mongoose = require('mongoose');
const bodyParser = require('body-parser');
require('dotenv').config()

mongoose.connect("mongodb+srv://blangue:roueca69@test.i0gbwvk.mongodb.net/test?retryWrites=true&w=majority", { useNewUrlParser: true, useUnifiedTopology: true });

app.use(bodyParser.urlencoded({extended : false}));

/* Exercise class */
let exerciseSchema = new mongoose.Schema({
  username: String,
  description: String,
  duration: Number,
  date: String
});
const Exercise = mongoose.model("Exercise", exerciseSchema);

/* User class */
let userSchema = new mongoose.Schema({
  username: String
});
const User = mongoose.model("User", userSchema);

/* Log class */
let logSchema = new mongoose.Schema({
  username: String,
  count: Number,
  log: [{description: String,
        duration: Number,
        date: String}]
});
const Log = mongoose.model("Log", logSchema);


app.use(cors())
app.use(express.static('public'))
app.get('/', (req, res) => {
  res.sendFile(__dirname + '/views/index.html')
});

//POST /api/users
app.post('/api/users', (req,res)=>{
  console.log("New User: "+req.body.username);
  var user = new User({username: req.body.username});
  User.create(user);
  res.json({username: user.username, _id: user._id});
});

//GET /api/users
app.get('/api/users', (req,res,done)=>{
  var query = User.find();
  query.exec((err, data)=>{
    if(err) return console.log(err);
    res.send(data);
    done(null, data);
  });
});

//POST /api/users/:_id/exercises
app.post('/api/users/:id/exercises', (req,res)=>{
  //init
  var id = req.params.id;
  var description = req.body.description;
  var duration = req.body.duration;
  var date = new Date(req.body.date);
  if (date.toString() === "Invalid Date") date = Date.now();
  //confirm
  console.log("Received new exercise: id= "+id +" decri= "+ description +" duration= "+ duration + " date= "+ date.toString());
  // new exercise entry
  User.findById(id, (err,data)=>{
    if(err) return console.error(err);
    console.log(data);
    res.json({_id: id, username: data.username, date: new Date(date).toDateString(), duration: Number(duration), description: description});
    var exe = new Exercise({username: data.username, description: description, duration: duration, date: new Date(date).toDateString()});
    Exercise.create(exe);
  });
});

//GET /api/users/:_id/logs
app.get('/api/users/:_id/logs', ( req,res)=>{
  console.log("Request received: from: "+ req.originalUrl);
  var temoin = 0;
  User.findById(req.params._id, (err, user)=>{
    if(err) return console.error(err);
      Exercise.find({username: user.username}, (err, list)=>{
        if(err) return console.error(err);
        //Execute from/to queries
        var fromDate = new Date(req.query.from);
        var toDate = new Date(req.query.to);
        var limit = Number(req.query.limit);
        var realLimit = list.length;
        if(limit) realLimit = Math.min(list.length, limit);
        temoin = fromDate? 1 : 0;
        temoin = toDate? (temoin == 1 ? 3 : 2) : temoin;
        if(fromDate.toString() != "Invalid Date" || toDate.toString() != "Invalid Date"){
          for(let i=0; i<realLimit; i++){
            var date = new Date(list[i].date);
            if(new Date(date).getTime() < new Date(fromDate).getTime() || new Date(date).getTime() >= new Date(toDate).getTime()){
              list.splice(i, 1);
              i--;
              realLimit--;
            };
          }
          if(limit) list.length = limit;
        if(temoin == 3) res.json({_id: user._id, username: user.username, from: new Date(fromDate).toDateString(), to: new Date(toDate).toDateString(), count: list.length, log: JSON.parse(JSON.stringify(list))
      })
        else if(temoin == 1) res.json({_id: user._id, username: user.username, from: new Date(fromDate).toDateString(), count: list.length, log: JSON.parse(JSON.stringify(list))
      })
        else if(temoin == 2) res.json({_id: user._id, username: user.username, to: new Date(toDate).toDateString(), count: list.length, log: JSON.parse(JSON.stringify(list))
      })
    }
    else {
      list.length = limit? limit : list.length;
      res.json({_id: user._id, username: user.username, count: list.length, log: JSON.parse(JSON.stringify(list))})
    }
    }).select({__v:0,_id:0, username:0})
  });
});

const listener = app.listen(process.env.PORT || 3000, () => {
  console.log('Your app is listening on port ' + listener.address().port)
})