111 lines
3.9 KiB
JavaScript
111 lines
3.9 KiB
JavaScript
const fs = require("fs");
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const path = require("path");
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const http = require("http");
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const analysis = require("./analysis");
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const bundle = require("./bundle");
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const chokidar = require("chokidar");
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const express = require("express");
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const compression = require("compression");
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function copyItemsToSite(dataDir) {
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const items = analysis.readJSON(`${dataDir}/latest-canonical.json.${analysis.FILE_COMPRESSOR}`);
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analysis.writeJSON(`site/output/data/latest-canonical.json`, items);
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for (const store of analysis.STORE_KEYS) {
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const storeItems = items.filter((item) => item.store === store);
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analysis.writeJSON(`site/output/data/latest-canonical.${store}.compressed.json`, storeItems, false, 0, true);
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}
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}
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function scheduleFunction(hour, minute, second, func) {
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const now = new Date();
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const scheduledTime = new Date();
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scheduledTime.setHours(hour);
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scheduledTime.setMinutes(minute);
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scheduledTime.setSeconds(second);
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if (now > scheduledTime) {
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scheduledTime.setDate(scheduledTime.getDate() + 1);
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}
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const delay = scheduledTime.getTime() - now.getTime();
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console.log("Scheduling next function call: " + scheduledTime.toString());
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setTimeout(async () => {
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await func();
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scheduleFunction(hour, minute, second, func);
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}, delay);
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}
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(async () => {
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const dataDir = "data";
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const args = process.argv.slice(2);
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let port = process.env.PORT !== undefined && process.env.PORT != "" ? parseInt(process.env.PORT) : 3000;
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let liveReload = process.env.NODE_ENV === "development" || false;
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for (let i = 0; i < args.length; i++) {
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if (args[i] === "-p" || args[i] === "--port") {
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port = parseInt(args[i + 1]);
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i++;
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} else if (args[i] === "-l" || args[i] === "--live-reload") {
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if (process.env.NODE_ENV !== "development") {
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throw new Error("Live reload is only supported in development mode");
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}
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liveReload = true;
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} else if (args[i] === "-h" || args[i] === "--help") {
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console.log("Usage: node server.js [-p|--port PORT] [-l|--live-reload]");
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console.log();
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console.log("Options:");
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console.log(" -p, --port PORT Port to listen on (default: 3000)");
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console.log(" -l, --live-reload Enable live reload (automatically enabled if NODE_ENV is development)");
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process.exit(0);
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}
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}
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if (!fs.existsSync(dataDir)) {
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fs.mkdirSync(dataDir);
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}
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const outputDir = "site/output";
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bundle.deleteDirectory(outputDir);
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fs.mkdirSync(outputDir);
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fs.mkdirSync(outputDir + "/data");
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bundle.bundle("site", outputDir, liveReload);
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analysis.migrateCompression(dataDir, ".json", ".json.br");
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analysis.migrateCompression(dataDir, ".json.gz", ".json.br");
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if (fs.existsSync(`${dataDir}/latest-canonical.json.${analysis.FILE_COMPRESSOR}`)) {
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copyItemsToSite(dataDir);
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analysis.updateData(dataDir, (_newItems) => {
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copyItemsToSite(dataDir);
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});
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} else {
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await analysis.updateData(dataDir);
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copyItemsToSite(dataDir);
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}
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scheduleFunction(7, 0, 0, async () => {
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items = await analysis.updateData(dataDir);
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copyItemsToSite(dataDir);
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});
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const app = express();
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app.use(compression());
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app.use(express.static("site/output"));
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const server = http.createServer(app).listen(port, () => {
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console.log(`App listening on port ${port}`);
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});
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if (liveReload) {
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const socketIO = require("socket.io");
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const sockets = [];
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const io = socketIO(server);
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io.on("connection", (socket) => sockets.push(socket));
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chokidar.watch("site/output").on("all", () => {
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lastChangeTimestamp = Date.now();
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for (let i = 0; i < sockets.length; i++) {
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sockets[i].send(`${lastChangeTimestamp}`);
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}
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});
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}
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})();
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