fix: update sasjs drive controller from function base to class base

src/controllers/sasjsDrive.ts

@@ -1,24 +1,15 @@
 import { fileExists, readFile, createFile } from '@sasjs/utils'
 
-export const sasjsDrive = async (
-  filePath: string,
-  action: string,
-  newFileContent?: string
-) => {
-  let fileContent
-  const isFileExists = await fileExists(filePath)
-  if (isFileExists) {
-    switch (action) {
-      case 'read':
-        fileContent = await readFile(filePath)
-        return fileContent
-      case 'update':
-        if (newFileContent) {
-          await createFile(filePath, newFileContent)
-        }
-        break
-      default:
-        break
+export class SASjsDriveController {
+  async readFile(filePath: string) {
+    if (await fileExists(filePath)) {
+      return await readFile(filePath)
+    }
+  }
+
+  async updateFile(filePath: string, fileContent: string) {
+    if (await fileExists(filePath)) {
+      return await createFile(filePath, fileContent)
     }
   }
 }