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server.js
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server.js
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var express = require('express');
var app = express();
var mysql = require('mysql');
var bodyParser = require('body-parser');
// Configura conexão
var connection = mysql.createConnection({
host : 'mydatabase.rds.amazonaws.com',
user : 'admin',
password : '12qwaszx',
database : 'books',
});
// Parsear o conteudo
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({
extended: true
}));
// Configuração da requisição, cabeçalhos, etc. CORS
app.use(function(req, res, next) {
res.header("Access-Control-Allow-Origin", "*");
// Métodos que queremos permitir
res.header('Access-Control-Allow-Methods', 'GET, POST, OPTIONS, PUT, PATCH, DELETE');
res.header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
next();
});
// GET
app.get('/',function(req,res){
var data = {
"Data":""
};
data["Data"] = "Welcome to Jon's API";
res.json(data);
console.log(data);
});
// GET
app.get('/html',function(req,res){
var data = {
"Data":""
};
data["Data"] = "API de Serviços do Jon";
data["Ver"] = "0.2";
var body = '<html>'
+' <head>'
+' <meta http-equiv="Content-Type" content="text/html" charset="UTF-8"/>'
+' </head>'
+' <body>'
+' <form action="/upload" method="post">'
+' <textarea name="text" rows="20" cols="60"></textarea>'
+' <input type="submit" value="Submit text"/>'
+' </form>'
+' <form action="/upload" method="post">'
+' <textarea name="text" rows="20" cols="60"></textarea>'
+' <input type="submit" value="Submit text"/>'
+' </form>'
+' <form action="/upload" method="post">'
+' <textarea name="text" rows="20" cols="60"></textarea>'
+' <input type="submit" value="Submit text"/>'
+' </form>'
+' <form action="/upload" method="post">'
+' <textarea name="text" rows="20" cols="60"></textarea>'
+' <input type="submit" value="Submit text"/>'
+' </form>'
+' <form action="/upload" method="post">'
+' <textarea name="text" rows="20" cols="60"></textarea>'
+' <input type="submit" value="Submit text"/>'
+' </form>'
+' <form action="/upload" method="post">'
+' <textarea name="text" rows="20" cols="60"></textarea>'
+' <input type="submit" value="Submit text"/>'
+' </form>'
+' </body>'
+' </html>';
res.writeHead(200,{"Content-Type" : "text/html"});
res.write(body);
res.end();
});
// GET /book
app.get('/book',function(req,res){
var data = {
"error":1,
"Books":"",
"Total":""
};
connection.query("SELECT * from book",function(err, rows, fields){
if (err) console.log(err);
if(rows.length != 0){
data["error"] = 0;
data["Books"] = rows;
data["Total"] = rows.length;
n1 = Math.floor((Math.random() * 100000) + 1);
n2 = Math.floor((Math.random() * 100000) + 1);
n3 = Math.floor((Math.random() * 100000) + 1);
nf = n1*n2/n3;
nf = nf*nf*nf*nf*nf;
nf = nf/n3/n2/n1;
var Pi=0;
var n=1;
for (i=0;i<=1000;i++) {
Pi=Pi+(4/n)
n=n+2
Pi=Pi-(4/n)
n=n+2
}
var retorno = Pi*Pi*nf*nf;
retorno = retorno*retorno*retorno*retorno;
retorno = retorno/retorno/retorno;
data["Calculation"] = retorno;
res.json(data);
}else{
data["Books"] = 'Nenhum livro encontrado';
res.json(data);
}
});
});
// ===================================
// POST /book
app.post('/book',function(req,res){
var Bookname = req.body.bookname;
var Authorname = req.body.authorname;
var Price = req.body.price;
var data = {
"error":1,
"Books":""
};
if(!!Bookname && !!Authorname && !!Price){
connection.query("INSERT INTO book (Bookname,Authorname,Price) VALUES(?,?,?)",[Bookname,Authorname,Price],function(err, rows, fields){
if(!!err){
console.log(err)
data["Books"] = "Erro adicionando livro";
}else{
data["error"] = 0;
data["Books"] = "Livro adicionado com sucesso!";
}
res.json(data);
});
}else{
data["Books"] = "Por favor, informe todos os dados : (bookname, authorname, price)";
res.json(data);
}
});
// ===================================
// PUT /book
app.put('/book',function(req,res){
var Id = req.body.id;
var Bookname = req.body.bookname;
var Authorname = req.body.authorname;
var Price = req.body.price;
var data = {
"error":1,
"Books":""
};
if(!!Id && !!Bookname && !!Authorname && !!Price){
connection.query("UPDATE book SET BookName=?, AuthorName=?, Price=? WHERE id=?",[Bookname,Authorname,Price,Id],function(err, rows, fields){
if(!!err){
data["Books"] = "Erro atualizando dados";
}else{
data["error"] = 0;
data["Books"] = "Livro atualizado com sucesso";
}
res.json(data);
console.log(data);
});
}else{
data["Books"] = "Por favor, informe todos os dados: (id, bookname, authorname, price )";
res.json(data);
console.log(data);
}
});
// ===================================
// DELETE /book
app.delete('/book',function(req,res){
var Id = req.body.id;
var data = {
"error":1,
"Books":""
};
if(!!Id){
connection.query("DELETE FROM book WHERE id=?",[Id],function(err, rows, fields){
if(!!err){
data["Books"] = "Error deleting data";
}else{
data["error"] = 0;
data["Books"] = "Livro deletado com sucesso!";
}
res.json(data);
console.log(data);
});
}else{
data["Books"] = "Por favor, informe todos os dados: ( id ) ";
res.json(data);
console.log(data);
}
});
app.listen(8080,function(){
console.log("Conectado e escutando na porta 8080");
});