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index.js
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index.js
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require("dotenv").config();
const express = require("express");
const cors = require("cors");
const axios = require("axios");
const emissions = require("./emissions.json");
const mongoose = require("mongoose");
mongoose.connect(process.env.MONGODB_URI, {
useNewUrlParser: true,
useUnifiedTopology: true,
});
const User = require("./models/User.model");
const Trip = require("./models/Trip.model");
const db = mongoose.connection;
db.on("error", console.error.bind(console, "connection error:"));
db.once("open", () => {
console.log("Connected to MongoDB");
});
const app = express();
app.use(express.json());
app.use(cors());
app.get("/trips", async (req, res) => {
try {
const trips = await Trip.find();
res.json(trips);
} catch (error) {
res.status(500).send({ error: "An error occurred while fetching trips" });
}
});
app.get("/users", async (req, res) => {
try {
const users = await User.find();
res.json(users);
} catch (error) {
res.status(500).send({ error: "An error occurred while fetching users" });
}
});
app.get("/users/:id", async (req, res) => {
try {
const user = await User.findOne({ id: req.params.id });
if (user) {
res.send(user);
} else {
res.status(404).send({ error: "User not found" });
}
} catch (error) {
res
.status(500)
.send({ error: "An error occurred while fetching the user" });
}
});
app.post("/result", async (req, res) => {
const { lat, lng, destination } = req.body;
const origin = {
name: "Ironhack, Berlin",
lat: "52.53308",
lng: "13.45321",
};
const types = ["car", "bike", "foot"];
try {
const responses = await Promise.all(
types.map((type) =>
axios.get(
`https://graphhopper.com/api/1/route?point=${origin.lat},${origin.lng}&point=${lat},${lng}&locale=en&key=${process.env.GRAPHHOPPER_API_KEY}&profile=${type}`
)
)
);
const profiles = responses.map((res, index) => ({
distance: (res.data.paths[0].distance / 1000).toFixed(2),
time: res.data.paths[0].time / 60000,
profile: types[index],
emissions:
(res.data.paths[0].distance / 1000) * emissions[0][types[index]],
}));
const newTrip = new Trip({
_id: new mongoose.Types.ObjectId(),
origin,
destination: {
name: destination,
lat,
lng,
},
profiles,
});
await newTrip.save();
res.status(201).send(newTrip);
} catch (error) {
console.log(error.response);
res
.status(500)
.send({ error: "An error occurred while processing the request" });
}
});
app.post("/dashboard", async (req, res) => {
const { destination } = req.body;
try {
const response = await axios.get(
`https://graphhopper.com/api/1/geocode?q=${destination}&locale=en&key=${process.env.GRAPHHOPPER_API_KEY}`
);
res.send(response.data.hits);
} catch (error) {
console.log(error.response);
res
.status(500)
.send({ error: "An error occurred while fetching geocode data" });
}
});
app.get("/trips/:tripId", async (req, res) => {
try {
const trip = await Trip.findOne({ id: req.params.tripId });
if (trip) {
res.send(trip);
} else {
res.status(404).send({ error: "Trip not found" });
}
} catch (error) {
res
.status(500)
.send({ error: "An error occurred while fetching the trip" });
}
});
app.delete("/trips/:tripId", async (req, res) => {
try {
const trip = await Trip.findOneAndDelete({ id: req.params.tripId });
if (trip) {
res.send({ message: "Trip deleted" });
} else {
res.status(404).send({ error: "Trip not found" });
}
} catch (error) {
res
.status(500)
.send({ error: "An error occurred while deleting the trip" });
}
});
const port = process.env.PORT;
app.listen(port, (err) => {
if (err) {
console.error(err);
process.exit(1);
}
console.log(`Server is running at port ${port}`);
});