Issue35 load configuration error (#43)

* metacall.json file fetched

* currentFile data populated

* child process attached with each file

* findJsonFilesRecursively called in app.ts

* worker file path corrected

Author: HeeManSu

src/app.ts

@@ -5,6 +5,8 @@ import express, { NextFunction, Request, Response } from 'express';
 import * as api from './api';
 import { allApplications } from './constants';
 import AppError from './utils/appError';
+import { findJsonFilesRecursively } from './utils/autoDeploy';
+import { appsDirectory } from './utils/config';
 import globalErrorHandler from './utils/errorHandler';
 
 const app = express();
@@ -42,6 +44,15 @@ app.all('*', (req: Request, res: Response, next: NextFunction) => {
 	next(new AppError(`Can't find ${req.originalUrl} on this server!`, 404));
 });
 
+const appsDir = appsDirectory();
+findJsonFilesRecursively(appsDir)
+	.then(() => {
+		console.log('Previously deployed apllications deployed successfully');
+	})
+	.catch(error => {
+		console.error('Error while re-deploying applications', error);
+	});
+
 app.use(globalErrorHandler);
 
 export default app;

src/utils/autoDeploy.ts

@@ -0,0 +1,56 @@
+import { spawn } from 'child_process';
+import * as fs from 'fs';
+import * as path from 'path';
+import {
+	allApplications,
+	childProcessResponse,
+	cps,
+	currentFile,
+	protocol
+} from '../constants';
+import { isIAllApps } from './utils';
+
+export const findJsonFilesRecursively = async (
+	appsDir: string
+): Promise<void> => {
+	const files = fs.readdirSync(appsDir, { withFileTypes: true });
+	for (const file of files) {
+		if (file.isDirectory()) {
+			await findJsonFilesRecursively(path.join(appsDir, file.name));
+		} else if (file.name === 'metacall.json') {
+			const filePath = path.join(appsDir, file.name);
+			const desiredPath = path.join(__dirname, '../worker/index.js');
+			const id = path.basename(appsDir);
+
+			currentFile.id = id;
+			(currentFile.type = 'application/x-zip-compressed'),
+				(currentFile.path = appsDir);
+
+			const proc = spawn('metacall', [desiredPath, filePath], {
+				stdio: ['pipe', 'pipe', 'pipe', 'ipc']
+			});
+
+			proc.send({
+				type: protocol.l,
+				currentFile
+			});
+
+			proc.stdout?.on('data', (data: Buffer) => {
+				console.log(data.toString().green);
+			});
+			proc.stderr?.on('data', (data: Buffer) => {
+				console.log(data.toString().red);
+			});
+
+			proc.on('message', (data: childProcessResponse) => {
+				if (data.type === protocol.g) {
+					if (isIAllApps(data.data)) {
+						const appName = Object.keys(data.data)[0];
+						cps[appName] = proc;
+						allApplications[appName] = data.data[appName];
+					}
+				}
+			});
+		}
+	}
+};