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index.js
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index.js
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require("dotenv").config();
const express = require("express");
const app = express();
const cors = require("cors");
var morgan = require("morgan");
const Person = require("./models/person");
app.use(cors());
// To connect with the frontend (dist is generated with npm run build)
app.use(express.static("dist"));
// json-parser
app.use(express.json());
// morgan.format("custom", function)
morgan.format("custom", (tokens, req, res) => {
let result = [
tokens.method(req, res),
tokens.url(req, res),
tokens.status(req, res),
tokens.res(req, res, "content-length"),
"-",
tokens["response-time"](req, res),
"ms",
].join(" ");
// Si es una solicitud POST, añade el cuerpo de la respuesta
if (req.method === "POST" && req.body) {
result += ` ${JSON.stringify(req.body)}`;
}
return result;
});
const unknownEndpoint = (request, response) => {
response.status(404).send({ error: "unknown endpoint" });
};
const errorHandler = (error, request, response, next) => {
console.error(error.message);
if (error.name === "CastError") {
return response.status(400).send({ error: "malformatted id" });
} else if (error.name === "ValidationError") {
return response.status(400).json({ error: error.message });
}
next(error);
};
// Response in terminal :method :url :status :res[content-length] - :response-time ms
app.use(morgan("tiny"));
// We custom it to receive more info
app.use(morgan("custom"));
app.get("/info", (request, response) => {
Person.find({}).then((result) => {
const numPeople = result.length;
var date = new Date().toLocaleString();
response.send(
`<p>Phonebook has info for ${numPeople} people</p><p>${date}</p>`
);
});
});
app.get("/api/persons", (request, response) => {
Person.find({}).then((result) => {
response.json(result);
});
});
app.get("/api/persons/:id", (request, response, next) => {
Person.findById(request.params.id)
.then((person) => {
if (!person) {
return response.status(404).end();
}
return response.json(person);
})
.catch((error) => {
next(error);
});
});
app.post("/api/persons", async (request, response, next) => {
const { name, number } = request.body;
if (await Person.exists({ name })) {
return response.status(400).json({ error: "name must be unique" });
} else if (name === undefined) {
return response.status(400).json({ error: "name missing" });
} else if (number === undefined) {
return response.status(400).json({ error: "number missing" });
}
const person = new Person({
name: name,
number: number,
});
person
.save()
.then((savedPerson) => response.json(savedPerson))
.catch((error) => next(error));
});
app.delete("/api/persons/:id", (request, response, next) => {
Person.findByIdAndRemove(request.params.id)
.then(() => {
response.status(204).end();
})
.catch((error) => next(error));
});
app.put("/api/persons/:id", (request, response, next) => {
const body = request.body;
const person = {
name: body.name,
number: body.number,
};
Person.findByIdAndUpdate(request.params.id, person, {
new: true,
runValidators: true,
})
.then((updatedPerson) => response.json(updatedPerson))
.catch((error) => next(error));
});
// handler of requests with unknown endpoint
app.use(unknownEndpoint);
app.use(errorHandler);
const PORT = process.env.PORT;
// Assign http server to app variable
app.listen(PORT, () => {
console.log(`Server running on port ${PORT}`);
});