quickstarts/hello-world/app.js

87 lines
2.3 KiB
JavaScript

// ------------------------------------------------------------
// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
// ------------------------------------------------------------
const express = require('express');
const bodyParser = require('body-parser');
require('isomorphic-fetch');
const app = express();
app.use(bodyParser.json());
const daprPort = process.env.DAPR_HTTP_PORT || 3500;
const stateStoreName = `statestore`;
const stateUrl = `http://localhost:${daprPort}/v1.0/state/${stateStoreName}`;
const port = 3000;
app.get('/order', (_req, res) => {
fetch(`${stateUrl}/order`)
.then((response) => {
if (!response.ok) {
throw "Could not get state.";
}
return response.text();
}).then((orders) => {
res.send(orders);
}).catch((error) => {
console.log(error);
res.status(500).send({message: error});
});
});
app.post('/neworder', (req, res) => {
const data = req.body.data;
const orderId = data.orderId;
console.log("Got a new order! Order ID: " + orderId);
const state = [{
key: "order",
value: data
}];
fetch(stateUrl, {
method: "POST",
body: JSON.stringify(state),
headers: {
"Content-Type": "application/json"
}
}).then((response) => {
if (!response.ok) {
throw "Failed to persist state.";
}
console.log("Successfully persisted state.");
res.status(200).send();
}).catch((error) => {
console.log(error);
res.status(500).send({message: error});
});
});
app.delete('/order/:id', (req, res) => {
const key = req.params.id;
console.log('Invoke Delete for ID ' + key);
const deleteUrl = stateUrl + '/' + key;
fetch(deleteUrl, {
method: "DELETE",
headers: {
"Content-Type": "application/json"
}
}).then((response) => {
if (!response.ok) {
throw "Failed to delete state.";
}
console.log("Successfully deleted state.");
res.status(200).send();
}).catch((error) => {
console.log(error);
res.status(500).send({message: error});
});
});
app.listen(port, () => console.log(`Node App listening on port ${port}!`));