110 lines
No EOL
3.6 KiB
JavaScript
110 lines
No EOL
3.6 KiB
JavaScript
const config = require('../config.json');
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const logger = require('./logger.js');
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const blinkstick = require('./blinkstick.js');
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const parser = require('./parser.js');
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const constants = require('./constants.js');
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const path = require('path');
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const express = require('express');
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const favicon = require('serve-favicon');
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const bodyparser = require('body-parser');
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const app = express();
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app.use(favicon(path.join(path.dirname(__dirname), 'public', 'favicon.ico')));
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app.use(bodyparser.json());
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app.use(bodyparser.urlencoded({extended: true}));
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const html = require('./index.js').get();
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// run the express http server and handle gets/posts
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async function start() {
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return await new Promise(function (resolve, reject) {
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app.listen(config.server.port, config.server.listen)
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.on('listening', function () {
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resolve('server listening on ' + config.server.listen + ':' + config.server.port + '...')
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})
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.on('error', function (err) {
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reject('error starting server (' + err + ')');
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});
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});
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}
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function handleRequests() {
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// GET html page
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app.get('*', (request, response) => {
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logger.http(request);
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response.send(html);
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response.end();
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});
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// POST '/set'
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app.post('/' + constants.MODE_SET, (request, response) => {
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logger.http(request);
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handleSimpleAnimation(parser.parseRequest(request.body, constants.MODE_SET), response);
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});
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// POST '/morph'
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app.post('/' + constants.MODE_MORPH, (request, response) => {
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logger.http(request);
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handleSimpleAnimation(parser.parseRequest(request.body, constants.MODE_MORPH), response);
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});
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// POST '/blink'
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app.post('/' + constants.MODE_BLINK, (request, response) => {
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logger.http(request);
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handleComplexAnimation(parser.parseRequest(request.body, constants.MODE_BLINK), response);
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});
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// POST '/pulse'
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app.post('/' + constants.MODE_PULSE, (request, response) => {
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logger.http(request);
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handleComplexAnimation(parser.parseRequest(request.body, constants.MODE_PULSE), response);
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});
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// POST '/poweroff'
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app.post('/' + constants.MODE_POWEROFF, (request, response) => {
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logger.http(request);
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handlePowerOff(parser.parseRequest(request.body, constants.MODE_POWEROFF), response);
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});
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}
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async function handleSimpleAnimation(config, response) {
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try {
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response.end(JSON.stringify(await blinkstick.simple(config)));
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} catch (err) {
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logger.error(err);
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response.status(500);
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response.end(JSON.stringify({status: 'error', error: err.message}));
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}
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}
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async function handleComplexAnimation(config, response) {
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if (blinkstick.isInfiniteAnimation(config)) {
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response.end(JSON.stringify({status: 'ok', time: 'infinite'}));
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response = undefined;
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}
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try {
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const result = await blinkstick.complex(config);
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if (response === undefined) {
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return;
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}
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response.end(JSON.stringify(result));
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} catch (err) {
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if (response === undefined) {
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return;
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}
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logger.error(err);
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response.status(500);
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response.end(JSON.stringify({status: 'error', error: err.message}));
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}
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}
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async function handlePowerOff(config, response) {
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try {
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response.end(JSON.stringify(await blinkstick.powerOff(config)));
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} catch (err) {
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response.status(500);
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response.end(JSON.stringify({status: 'error', error: err.message}));
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}
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}
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// exports
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module.exports = {
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start,
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handleRequests
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}; |