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November 20, 2016 20:37
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Código de uma API simples feita com NodeJS
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//Exemplo de Web Service REST utilizando NodeJS e MongoDB em Containers Docker | |
// Matheus Fidelis - github.com/msfidelis | |
var express = require('express'); | |
var mongo = require('mongoose'); | |
var bodyParser = require('body-parser'); | |
var app = express(); | |
app.use(bodyParser.json()); | |
app.use(bodyParser.urlencoded({ | |
extended: true | |
})); | |
//Conexão com o MongoDB | |
var mongoaddr = 'mongodb://' + process.env.MONGO_PORT_27017_TCP_ADDR + ':27017/testeapi'; | |
console.log(mongoaddr); | |
mongo.connect(mongoaddr); | |
//Esquema da collection do Mongo | |
var taskListSchema = mongo.Schema({ | |
descricao : { type: String }, | |
concluido : Boolean, | |
updated_at: { type: Date, default: Date.now }, | |
}); | |
//Model da aplicação | |
var Model = mongo.model('Tasks', taskListSchema); | |
//GET param - Retorna o registro correspondente da ID informada | |
app.get("/get/:descricao?", function (req, res) { | |
var descricao = req.params.descricao; | |
Model.find({'descricao': descricao}, function(err, regs) { | |
if (err) { | |
console.log(err); | |
res.send(err); | |
} else { | |
res.json(regs); | |
} | |
}); | |
}); | |
//POST - Adiciona um registro | |
app.post("/api/add", function (req, res) { | |
var register = new Model({ | |
'descricao' : req.body.descricao, | |
'concluido' : req.body.concluido | |
}); | |
register.save(function (err) { | |
if (err) { | |
console.log(err); | |
res.send(err); | |
res.end(); | |
} | |
}); | |
res.send(register); | |
res.end(); | |
}); | |
//GET - Retorna todos os registros existentes no banco | |
app.get("/api/all", function (req, res) { | |
Model.find(function(err, todos) { | |
if (err) { | |
res.json(err); | |
} else { | |
res.json(todos); | |
} | |
}) | |
}); | |
//PUT - Atualiza um registro | |
app.put("/api/add/:id", function (req, res) { | |
Model.findByIdAndUpdate(req.params.id, req.body, function (err, post) { | |
if (err) { | |
return next(err); | |
} else { | |
res.json(post); | |
} | |
}); | |
}); | |
//DELETE - Deleta um registro | |
app.delete("/api/delete/:id", function (req, res) { | |
Model.findByIdAndRemove(req.params.id, req.body, function (err, post) { | |
if (err) return next(err); | |
res.json(post); | |
}); | |
}); | |
//Porta de escuta do servidor | |
app.listen(8080, function() { | |
console.log('Funcionando'); | |
}); |
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