set up server and create user registration

.gitignore

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+# Compiled classfiles
+bin/
+*.class
+
+# Mobile Tools for Java (J2ME)
+.mtj.tmp/
+
+# Package Files #
+*.jar
+*.war
+*.ear
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*
+
+# IDEA files
+.idea/
+*.iml
+
+# Node modules
+backend/node_modules/

backend/database.json

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+{
+  "dev": {
+    "driver": "mysql",
+    "user": "root",
+    "database": "test",
+	"password": "root"
+  },
+
+  "production": {
+    "driver": "mysql",
+    "user": "root",
+    "database": "myapp"
+  }
+}

backend/database.sql

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+SET SQL_MODE="NO_AUTO_VALUE_ON_ZERO";
+SET time_zone = "+00:00";
+
+CREATE DATABASE `tutorial` DEFAULT CHARACTER SET latin1 COLLATE latin1_swedish_ci;
+USE `tutorial`;
+
+
+CREATE TABLE IF NOT EXISTS `users` (
+  `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
+  `username` varchar(50) COLLATE utf8_unicode_ci NOT NULL,
+  `password` varchar(200) COLLATE utf8_unicode_ci NOT NULL,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB  DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci AUTO_INCREMENT=1 ;
+

backend/models/db.js

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+var Sequelize = require('sequelize');
+
+// db config
+var env = "dev";
+var config = require('../database.json')[env];
+var password = config.password ? config.password : null;
+
+module.exports = new Sequelize(
+	config.database,
+	config.user,
+	config.password,
+	{
+    dialect: config.driver,
+    logging: console.log,
+		define: {
+			timestamps: false
+		}
+	}
+);

backend/models/user.js

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+var sequelize = require('./db.js');
+
+var crypto = require('crypto');
+var DataTypes = require("sequelize");
+
+var User = sequelize.define('users', {
+    username: DataTypes.STRING,
+    password: DataTypes.STRING
+  }, {
+    instanceMethods: {
+      retrieveAll: function(onSuccess, onError) {
+			User.findAll({}, {raw: true}).then(onSuccess).catch(onError);
+	  },
+      retrieveById: function(user_id, onSuccess, onError) {
+			User.find({where: {id: user_id}}, {raw: true}).then(onSuccess).catch(onError);
+	  },
+      add: function(onSuccess, onError) {
+			var username = this.username;
+			var password = this.password;
+
+			var shasum = crypto.createHash('sha1');
+			shasum.update(password);
+			password = shasum.digest('hex');
+
+			User.build({ username: username, password: password })
+			    .save().then(onSuccess).catch(onError);
+	   },
+	  updateById: function(user_id, onSuccess, onError) {
+			var id = user_id;
+			var username = this.username;
+			var password = this.password;
+
+			var shasum = crypto.createHash('sha1');
+			shasum.update(password);
+			password = shasum.digest('hex');
+
+			User.update({ username: username,password: password},{where: {id: id} })
+				.then(onSuccess).catch(onError);
+	   },
+      removeById: function(user_id, onSuccess, onError) {
+				User.destroy({where: {id: user_id}}).then(onSuccess).catch(onError);
+	  	}
+    }
+  });
+
+module.exports = User;

backend/package.json

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+{
+	"name": "node-api",
+	"main": "server.js",
+	"dependencies": {
+		"express": "~4.0.0",
+		"body-parser": "~1.0.1",
+		"mysql": "~2.5.0",
+		"sequelize": "~2.0.0",
+		"crypto": "~0.0.3",
+		"morgan": "~1.7.0"
+	}
+}

backend/routes/index.js

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+var express = require('express');
+var router = express.Router();
+var User = require('../models/user.js');
+// on routes that end in /users
+// ----------------------------------------------------
+router.route('/users')
+
+// create a user (accessed at POST http://localhost:8080/api/users)
+.post(function(req, res) {
+	var username = req.body.username; //bodyParser does the magic
+	var password = req.body.password;
+
+	var user = User.build({ username: username, password: password });
+
+	user.add(function(success){
+		res.json({ message: 'User created!' });
+	},
+	function(err) {
+		res.send(err);
+	});
+})
+
+// get all the users (accessed at GET http://localhost:8080/api/users)
+.get(function(req, res) {
+	var user = User.build();
+
+	user.retrieveAll(function(users) {
+		if (users) {
+		  res.json(users);
+		} else {
+		  res.send(401, "User not found");
+		}
+	  }, function(error) {
+		res.send("User not found");
+	  });
+});
+
+
+// on routes that end in /users/:user_id
+// ----------------------------------------------------
+router.route('/users/:user_id')
+
+// update a user (accessed at PUT http://localhost:8080/api/users/:user_id)
+.put(function(req, res) {
+	var user = User.build();
+
+	user.username = req.body.username;
+	user.password = req.body.password;
+
+	user.updateById(req.params.user_id, function(success) {
+		console.log(success);
+		if (success) {
+			res.json({ message: 'User updated!' });
+		} else {
+		  res.send(401, "User not found");
+		}
+	  }, function(error) {
+		res.send("User not found");
+	  });
+})
+
+// get a user by id(accessed at GET http://localhost:8080/api/users/:user_id)
+.get(function(req, res) {
+	var user = User.build();
+
+	user.retrieveById(req.params.user_id, function(users) {
+		if (users) {
+		  res.json(users);
+		} else {
+		  res.send(401, "User not found");
+		}
+	  }, function(error) {
+		res.send("User not found");
+	  });
+})
+
+// delete a user by id (accessed at DELETE http://localhost:port/api/users/:user_id)
+.delete(function(req, res) {
+	var user = User.build();
+
+	user.removeById(req.params.user_id, function(users) {
+		if (users) {
+		  res.json({ message: 'User removed!' });
+		} else {
+		  res.send(401, "User not found");
+		}
+	  }, function(error) {
+		res.send("User not found");
+	  });
+});
+
+module.exports = router;

backend/server.js

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+var express = require('express');
+var logger = require('morgan');
+var bodyParser = require('body-parser');
+
+var app = express();
+app.use(bodyParser.urlencoded({extended: true}));
+app.set('port', process.env.PORT || 3355);
+app.use(logger('dev'));
+
+var env = app.get('env') == 'development' ? 'dev' : app.get('env');
+
+var User = require('./models/user.js');
+
+// IMPORT ROUTES
+// =============================================================================
+var router = require('./routes/index.js');
+
+// Middleware to use for all requests
+router.use(function(req, res, next) {
+	// do logging
+	console.log('Something is happening.');
+	next();
+});
+
+app.use('/api', router);
+
+app.listen(app.get('port'), function() {
+  console.log('Express server listening on port ' + app.get('port'));
+});