server_rest.js

'use strict';

var fs = require('fs');

// constant data from file
// could be used for reset
var RAW_DATA = fs.readFileSync('./data.json', 'utf8');

// parse raw data
function parse() {
  return JSON.parse(RAW_DATA);  
}

var data = parse();// parsed data



// GETTERS
function getAll() {return data;}                  // get all data (talks+users+tags)
  
function getTalks() {return data.talks;}          // get talks
function getTalk(id) {return data.talks[id];}     // get talk

function getUsers() {return data.users;}          // get users
function getUser(id) {return data.users[id];}     // get user
  
function getTags() {return data.tags;}            // get tags



// DELETE

// delete talk
function deleteTalk(id) {
  delete data.talks[id];
  return getTalks();
}  



// UPDATERS
function updateTalk(id, talk) {data.talks[id] = talk;}     // update talk
function updateUser(id, user) {data.users[id] = user;}     // update user
 


// SETTERS

// create new talk
function createTalk(talk) {
  var i = 1;
  while (data.talks[i.toString()]) i++;
  
  data.talks[i] = talk;
  return getTalks();
}
// create user
function createUser(user) {
  data.users[id] = user;
  return getUsers();
}






module.exports = function(app) {
  // get
  app.get('/data/all', function(req, res) {res.send(getAll() || {});});
  app.get('/data/reset', function(req, res) {res.send(data = parse() || {});});

  app.get('/data/talks', function(req, res) {res.send(getTalks() || {});});
  app.get('/data/talk/:id', function(req, res) {res.send(getTalk(req.params.id) || {});});

  app.get('/data/users', function(req, res) {res.send(getUsers() || {});});
  app.get('/data/user/:id', function(req, res) {res.send(getUser(req.params.id) || {});});

  app.get('/data/tags', function(req, res) {res.send(getTags() || {});});


  // post
  /*could be buggy*/app.post('/data/talk/', function(req, res) {createTalk(req.body); res.send('ok');});
  /*could be buggy*/app.post('/data/user/', function(req, res) {createUser(req.body); res.send('ok');});

  // put
  /*could be buggy*/app.put('/data/talk/:id', function(req, res) {updateTalk(req.params.id, req.body); res.send('ok');});
  /*could be buggy*/app.put('/data/user/:id', function(req, res) {updateUser(req.params.id, req.body); res.send('ok');});

  // delete
  /*could be buggy*/app.delete('/data/talk/:id', function(req, res) {deleteTalk(req.params.id); res.send('ok');});

}