feat(admin): moved server build/update to full app

backend/utils/zipper.utils.ts

@@ -0,0 +1,177 @@
+import fs from "node:fs";
+import fsp from "node:fs/promises";
+import path from "node:path";
+import archiver from "archiver";
+import { createLogger } from "../logger/logger.controller.js";
+import { emitBuildLog } from "./build.utils.js";
+import { updateAppStats } from "./updateAppStats.utils.js";
+
+const log = createLogger({ module: "utils", subModule: "zip" });
+
+const exists = async (target: string) => {
+	try {
+		await fsp.access(target);
+		return true;
+	} catch {
+		return false;
+	}
+};
+
+const getNextBuildNumber = async (buildNumberFile: string) => {
+	if (!(await exists(buildNumberFile))) {
+		await fsp.writeFile(buildNumberFile, "1", "utf8");
+		return 1;
+	}
+
+	const raw = await fsp.readFile(buildNumberFile, "utf8");
+	const current = Number.parseInt(raw.trim(), 10);
+
+	if (Number.isNaN(current) || current < 1) {
+		await fsp.writeFile(buildNumberFile, "1", "utf8");
+		return 1;
+	}
+
+	const next = current + 1;
+
+	await fsp.writeFile(buildNumberFile, String(next), "utf8");
+
+	// update the server with the next build number
+
+	await updateAppStats({
+		currentBuild: next,
+		lastBuildAt: new Date(),
+		building: true,
+	});
+
+	return next;
+};
+
+const cleanupOldBuilds = async (buildFolder: string, maxBuilds: number) => {
+	const entries = await fsp.readdir(buildFolder, { withFileTypes: true });
+
+	const zipFiles: { fullPath: string; name: string; mtimeMs: number }[] = [];
+
+	for (const entry of entries) {
+		if (!entry.isFile()) continue;
+		if (!/^LSTV3-\d+\.zip$/i.test(entry.name)) continue;
+
+		const fullPath = path.join(buildFolder, entry.name);
+		const stat = await fsp.stat(fullPath);
+
+		zipFiles.push({
+			fullPath,
+			name: entry.name,
+			mtimeMs: stat.mtimeMs,
+		});
+	}
+
+	zipFiles.sort((a, b) => b.mtimeMs - a.mtimeMs);
+
+	const toRemove = zipFiles.slice(maxBuilds);
+
+	for (const file of toRemove) {
+		await fsp.rm(file.fullPath, { force: true });
+		emitBuildLog(`Removed old build: ${file.name}`);
+	}
+};
+
+export const zipBuild = async () => {
+	const appDir = process.env.DEV_DIR ?? "";
+	const maxBuilds = Number(process.env.MAX_BUILDS ?? 5);
+
+	if (!appDir) {
+		log.error({ notify: true }, "Forgot to add in the dev dir into the env");
+		return;
+	}
+
+	const includesFile = path.join(appDir, ".includes");
+	const buildNumberFile = path.join(appDir, ".buildNumber");
+	const buildFolder = path.join(appDir, "builds");
+	const tempFolder = path.join(appDir, "temp", "zip-temp");
+	if (!(await exists(includesFile))) {
+		log.error({ notify: true }, "Missing .includes file common");
+		return;
+	}
+
+	await fsp.mkdir(buildFolder, { recursive: true });
+
+	const buildNumber = await getNextBuildNumber(buildNumberFile);
+	const zipFileName = `LSTV3-${buildNumber}.zip`;
+	const zipFile = path.join(buildFolder, zipFileName);
+	// make the folders in case they are not created already
+	emitBuildLog(`Using build number: ${buildNumber}`);
+
+	if (await exists(tempFolder)) {
+		await fsp.rm(tempFolder, { recursive: true, force: true });
+	}
+
+	await fsp.mkdir(tempFolder, { recursive: true });
+
+	const includes = (await fsp.readFile(includesFile, "utf8"))
+		.split(/\r?\n/)
+		.map((line) => line.trim())
+		.filter(Boolean);
+
+	emitBuildLog(`Preparing zip from ${includes.length} include entries`);
+
+	for (const relPath of includes) {
+		const source = path.join(appDir, relPath);
+		const dest = path.join(tempFolder, relPath);
+
+		if (!(await exists(source))) {
+			emitBuildLog(`Skipping missing path: ${relPath}`, "error");
+			continue;
+		}
+
+		const stat = await fsp.stat(source);
+		await fsp.mkdir(path.dirname(dest), { recursive: true });
+
+		if (stat.isDirectory()) {
+			emitBuildLog(`Copying folder: ${relPath}`);
+			await fsp.cp(source, dest, { recursive: true });
+		} else {
+			emitBuildLog(`Copying file: ${relPath}`);
+			await fsp.copyFile(source, dest);
+		}
+	}
+
+	// if something crazy happens and we get the same build lets just reuse it
+	// if (await exists(zipFile)) {
+	// 	await fsp.rm(zipFile, { force: true });
+	// }
+
+	emitBuildLog(`Creating zip: ${zipFile}`);
+
+	await new Promise<void>((resolve, reject) => {
+		const output = fs.createWriteStream(zipFile);
+		const archive = archiver("zip", { zlib: { level: 9 } });
+
+		output.on("close", () => resolve());
+		output.on("error", reject);
+		archive.on("error", reject);
+
+		archive.pipe(output);
+
+		// zip contents of temp folder, not temp folder itself
+		archive.directory(tempFolder, false);
+		archive.finalize();
+	});
+
+	await fsp.rm(tempFolder, { recursive: true, force: true });
+
+	emitBuildLog(`Zip completed successfully: ${zipFile}`);
+
+	await cleanupOldBuilds(buildFolder, maxBuilds);
+
+	await updateAppStats({
+		lastUpdated: new Date(),
+		building: false,
+	});
+
+	return {
+		success: true,
+		buildNumber,
+		zipFile,
+		zipFileName,
+	};
+};