feat: App Stream, load on startup, new route added

api/src/routes/appStream/index.ts

@@ -2,24 +2,60 @@ import path from 'path'
 import express from 'express'
 import { folderExists } from '@sasjs/utils'
 
-import { getTmpFilesFolderPath } from '../../utils'
+import { addEntryToAppStreamConfig, getTmpFilesFolderPath } from '../../utils'
+import { appStreamHtml } from './appStreamHtml'
 
 const router = express.Router()
 
-export const publishAppStream = async (appLoc: string[]) => {
-  const appLocUrl = encodeURI(appLoc.join('/'))
-  const appLocPath = appLoc.join(path.sep)
+router.get('/', async (_, res) => {
+  const content = appStreamHtml(process.appStreamConfig)
 
-  const pathToDeployment = path.join(
-    getTmpFilesFolderPath(),
-    appLocPath,
-    'services',
-    'webv'
-  )
+  return res.send(content)
+})
+
+export const publishAppStream = async (
+  appLoc: string,
+  streamWebFolder: string,
+  streamServiceName?: string,
+  addEntryToFile: boolean = true
+) => {
+  const driveFilesPath = getTmpFilesFolderPath()
+
+  const appLocParts = appLoc.replace(/^\//, '')?.split('/')
+  const appLocPath = path.join(driveFilesPath, ...appLocParts)
+  if (!appLocPath.includes(driveFilesPath)) {
+    throw new Error('appLoc cannot be outside drive.')
+  }
+
+  const pathToDeployment = path.join(appLocPath, 'services', streamWebFolder)
+  if (!pathToDeployment.includes(appLocPath)) {
+    throw new Error('streamWebFolder cannot be outside appLoc.')
+  }
 
   if (await folderExists(pathToDeployment)) {
-    router.use(`/${appLocUrl}`, express.static(pathToDeployment))
-    console.log('Serving Stream App: ', appLocUrl)
+    const appCount = process.appStreamConfig
+      ? Object.keys(process.appStreamConfig).length
+      : 0
+
+    if (!streamServiceName || process.appStreamConfig[streamServiceName]) {
+      streamServiceName = `AppStreamName${appCount + 1}`
+    }
+
+    router.use(`/${streamServiceName}`, express.static(pathToDeployment))
+
+    addEntryToAppStreamConfig(
+      streamServiceName,
+      appLoc,
+      streamWebFolder,
+      undefined,
+      addEntryToFile
+    )
+
+    const sasJsPort = process.env.PORT ?? 5000
+    console.log(
+      'Serving Stream App: ',
+      `http://localhost:${sasJsPort}/AppStream/${streamServiceName}`
+    )
   }
 }