server.js

// require express and other modules
const express = require('express');
const app = express();

// parse incoming urlencoded form data
// and populate the req.body object
const bodyParser = require('body-parser');
app.use(bodyParser.urlencoded({ extended: true }));

// allow cross origin requests (optional)
// https://developer.mozilla.org/en-US/docs/Web/HTTP/Access_control_CORS
app.use(function(req, res, next) {
  res.header("Access-Control-Allow-Origin", "*");
  res.header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
  next();
});

/************
 * DATABASE *
 ************/
const db = require('./models');

/**********
 * ROUTES *
 **********/

// Serve static files from the `/public` directory:
// i.e. `/images`, `/scripts`, `/styles`

app.use(express.static('public'));

/*
 * HTML Endpoints
 */

app.get('/', function homepage(req, res) {
  res.sendFile(__dirname + '/views/index.html');
});


app.get('/add', function addPage(req, res) {
    res.sendFile(__dirname + '/views/add.html');
  });

app.get('/profile', function addPage(req, res) {
  res.sendFile(__dirname + '/views/profile.html');
});


/*
 * JSON API Endpoints
 */

app.get('/api', (req, res) => {
  // all api endpoints are in the json object below
  res.json({
    appTitle: "HackerJedi!",
    appContributors: "Chike, Siri, and Heggy",
    message: "this documents all api endpoints!",
    GitHubLink: "CHANGE THIS", // CHANGE ME
    HerokuLink: "http://YOUR-APP-NAME.herokuapp.com", // CHANGE ME
    endpoints: [
      //2 pages for 
      {method: "GET", path: "/", description: "User lands and starts searching for apprenticeship."},
      {method: "GET", path: "/add", description: "User adds new apprenticeship."},
      //server side
      {method: "GET", path: "/api", description: "Describes all available endpoints"},
      {method: "GET", path: "/api/apprenticeships", description: "View all apprenticeships here." },
      {method: "GET", path: "api/apprenticeships/:keyword", description: "Search keyword"},
      {method: "POST", path: "/api/apprenticeships", description: "Create new apprenticeship/opportunity, post it to this api"},
      {method: "PUT", path: "/api/apprenticeships/:id", description: "Edit an apprenticeship and update it"},
      {method: "DELETE", path: "/api/apprenticeships/:id", description: "Delete an apprenticeship that's no longer available/relevant"},
      //for later: search through opportunities
      //maybe we can add algolia.com's search bar plugin
      //or create our own search queries.
    ]
  })
});

 //THIS CODE REMOVES ALL USERS
  app.delete('/user', function (req, res) {
  console.log('deleted all users');
 db.User.collection.remove()
})

 //THIS CODE REMOVES ALL USERS
  app.delete('/api/add', function (req, res) {
  console.log('deleted all appr');
 db.Apprenticeship.collection.remove()
})


app.get('/user', (req, res) => {
    db.User.find({}, function (err, user) {
        if (err) {
          console.log("error: " + err);
        }
        res.json(user);
      });
      //want to display user info here after user logs in
})


app.delete('/user/:id', function (req, res) {
    console.log('deleted user ID is ', req.params);
   db.User.findOneAndDelete
    ( {_id: req.params.id}, 
    (err, deletedUser) => {
      if (err) {
        console.log("the error is " + err);
      }
       res.json(deletedUser);
     });
  })

app.get('/api/add', (req, res) => {
    db.Apprenticeship.find({}, function (err, apprenticeship) {
        if (err) {
          console.log("error: " + err);
        }
        res.json(apprenticeship);
      });
})


app.post('/user', (req, res) => {
  let newUser = req.body
  db.User.create(newUser,(err,createdUser)=>{
    if (err){
      res.send(err)
    }
    res.json(createdUser)
  })
});

app.get('/user/:email', (req, res) => {
  let email = req.params.email
  db.User.findOne({email: email})
    .exec((err,foundUser)=>{
      if (err){
        res.send(err)
      }
      res.json(foundUser)
    })
});


//Heggy's
// Creat new apprenticeship
app.post('/api/add', (req, res) => {
    // create new apprenticeship with form data ('req.body')
  console.log("body is ", req.body);
  let newApprenticeship = new db.Apprenticeship({
    company: req.body.company,
    city: req.body.city,
    url: req.body.url,
    description: req.body.description,
    email: req.body.email,
    user_created: null,
  });
  // find the user from req.body
  db.User.findOne({email: req.body.email}, (err, user) => {
    if (err) {
      return console.log(err);
    }
    // if that user doesn't exist yet, create a new one
    if (user === null) {
      db.User.create({name: req.body.user, email: req.body.email}, (err, newUser) => {
        if (err) {
          return console.log(err);
        }
        createApprenticeshipWithUser(newApprenticeship, newUser, res);
      });
    } else {
      createApprenticeshipWithUser(newApprenticeship, user, res);
    }
  }); 
  // save new Apprentice
}); 
  
// create Apprenticeship With new User function
function createApprenticeshipWithUser(apprenticeship, user, res) {
  // add this user to the apprenticeship
  apprenticeship.user_created = user;
  // save new apprenticeship to database
  apprenticeship.save(function(err, book) {
    if (err) { 
      return console.log("save error: " + err)
    }
    console.log("saved ", apprenticeship.company);
    // send back the apprenticeship
    res.json(apprenticeship);
  });
}

// learning tip: since we have :id (this variable we pass) in parameter
//  we have to pass req.params instead of req.body
app.put('/api/add/:id', function(req,res){
    // ^^^ get the id of the apprenticeship
    //need to also get the user id from the frontend (login)
    console.log('updated apprenticeships: ', req.params);
    db.Apprenticeship.findOneAndUpdate({ _id: req.params.id},req.body,{new: true})
      .populate('user_created')
      .exec( (err, apprenticeship) => {
      if (err) {
        console.log("the error is " + err);
      }
      res.json(apprenticeship);
    });
  });

app.delete('/api/add/:id', function (req, res) {
  console.log('deleted apprenticeship is ', req.params);
  db.Apprenticeship.findOneAndDelete
  ( {_id: req.params.id}, 
  (err, deletedApprenticeship) => {
    if (err) {
      console.log("the error is " + err);
    }
    res.json(deletedApprenticeship);
  });
})

// process.env.PORT (this will be set, dynamically, by Heroku)
app.listen(process.env.PORT || 3000, ()=> {
  console.log('listening on port 3000');
});