Sup_File/routes/api.js

var mongoose = require('mongoose');
var passport = require('passport');
var config = require('../config/database');
require('../config/passport')(passport);
var express = require('express');
var jwt = require('jsonwebtoken');
var router = express.Router();
var User = require("../models/user");
var FileMongo = require("../models/FileMongo");
var FolderMongo = require("../models/FolderMongo");
var Book = require("../models/book");
var fs = require('fs');
var multer = require('multer');
var upload = multer({ dest: './public/' });

/* creation Token */
getToken = function (headers) {
    if (headers && headers.authorization) {
        var parted = headers.authorization.split(' ');
        if (parted.length === 2) {
            return parted[1];
        } else {
            return null;
        }
    } else {
        return null;
    }
};

/* config multer dossier cible et nom du file */
const storage = multer.diskStorage({
    destination: function (req, file, cb) {
        cb(null, './public/')
    },
    filename: function (req, file, cb) {
        cb(null, file.originalname)
    }
});


/* GET home page. */
router.get('/', function(req, res, next) {
  res.send('Express RESTful API');
});


router.post('/signup', function(req, res) {
  if (!req.body.username || !req.body.password) {
    res.json({success: false, msg: 'Please pass username and password.'});
  } else {
    var newUser = new User({
      username: req.body.username,
      password: req.body.password
    });
    // save the user
    newUser.save(function(err) {
      if (err) {
        return res.json({success: false, msg: 'Username already exists.'});
      }
      res.json({success: true, msg: 'Successful created new user.'});
    });
  }
});

/* SAVE FILE */
router.post('/uploadFileMongo', function(req, res, next) {
  FileMongo.create(req.body, function (err, post) {
    if (err){
      return next(err);
    }
    res.json(post);
  });
});

/* SAVE FOLDER */
router.post('/createFolder', function(req, res, next) {
    FolderMongo.create(req.body, function (err, post) {
        if (err){
            return next(err);
        }
        res.json(post);
    });
});

/* DELETE FILE */
router.post('/deleteFileMongo', function(req, res, next) {
  FileMongo.remove(req.body, function (err, post) {
    if (err){
      return next(err);
    }
    //Delete file multer dans Public
    fs.unlink('./public/' + req.body._id);
    res.json(post);

  });
});

/* DELETE FOLDER */
router.post('/deleteFolderMongo', function(req, res, next) {
    FolderMongo.remove({_id : req.body._id, name: req.body.name, owner: req.body.owner}, function (err, post) {
        if (err){
            return next(err);
        }
        res.json(post);

    });
});

/* Rename FOLDER */
router.post('/renameFolderMongo', function(req, res, next) {
    FolderMongo.findOneAndUpdate({_id : req.body._id, owner: req.body.owner}, {name: req.body.name},{new: true}).then((data) =>{
        if(data === null){
            throw new Error('Folder Not Found');
        }
        res.json({ message: 'Folder updated!' });
    }).catch( (error) => {
        //Deal with all your errors here with your preferred error handle middleware / method
        res.status(500).json({ message: 'Some Error!' });
        console.log(error);
    });
});



/* Rename FILE */
router.post('/renameFileMongo', function(req, res, next) {
    console.log("New File data  req.body", JSON.stringify(req.body));

    FileMongo.findOneAndUpdate({_id : req.body._id, owner: req.body.owner}, {name: req.body.name},{new: true}).then((data) =>{
        if(data === null){
            throw new Error('File Not Found');
        }
        res.json({ message: 'File updated!' });
    }).catch( (error) => {
        //Deal with all your errors here with your preferred error handle middleware / method
        res.status(500).json({ message: 'Some Error!' });
        console.log(error);
    });
});

/* Get Current folder */
router.post('/getMainFolder', function(req, res) {
    FolderMongo.findOne({
        path: req.body.path,
        owner: req.body.owner
    }, function(err, folder) {
        res.json(folder);
    });

});

/* Get tout les folders du mainFolder */
router.post('/getFolderList', function(req, res) {
    FolderMongo.find({
        parent: req.body.mainPath,
        owner: req.body.owner
    }, function(err, folder) {
        res.json(folder);
    });

});

/* Get tout les files du mainFolder */
router.post('/getFileList', function(req, res) {
    FileMongo.find({
        path: req.body.mainPath,
        owner: req.body.owner
    }, function(err, files) {
        res.json(files);
    });

});

/* Login */
router.post('/signin', function(req, res) {
  User.findOne({
    username: req.body.username
  }, function(err, user) {
    if (err) throw err;

    if (!user) {
      res.status(401).send({success: false, msg: 'Authentication failed. User not found.'});
    } else {
      // check if password matches
      user.comparePassword(req.body.password, function (err, isMatch) {
        if (isMatch && !err) {
          console.log('req.user.username logggggg ::: ' + JSON.stringify(user));
          // if user is found and password is right create a token
          var token = jwt.sign(user.toJSON(), config.secret);
          // return the information including token as JSON
          res.json({success: true, token: 'JWT ' + token});
        } else {
          res.status(401).send({success: false, msg: 'Authentication failed. Wrong password.'});
        }
      });
    }
  });
});


/* Multer upload */
router.post('/upload' , multer({storage: storage, limits: {fileSize: 30000000000}}).array("public[]", 12) ,function(req,res,next){
  res.send(req.files);

});

/* Get utilisateur courant */
router.get('/getCurrentUser', passport.authenticate('jwt', { session: false}), function(req, res) {
  var token = getToken(req.headers);

  if (token) {
    res.json(req.user);
  } else {
    return res.status(403).send({success: false, msg: 'Unauthorized.'});
  }
});

module.exports = router;