chore: restructure repo into sub folders

api/src/utils/file.ts

@@ -0,0 +1,26 @@
+import path from 'path'
+import { getRealPath, generateTimestamp } from '@sasjs/utils'
+
+export const getTmpFolderPath = () =>
+  getRealPath(path.join(__dirname, '..', '..', 'tmp'))
+
+export const getTmpFilesFolderPath = () =>
+  path.join(getTmpFolderPath(), 'files')
+
+export const getTmpLogFolderPath = () => path.join(getTmpFolderPath(), 'logs')
+
+export const getTmpWeboutFolderPath = () =>
+  path.join(getTmpFolderPath(), 'webouts')
+
+export const getTmpSessionsFolderPath = () =>
+  path.join(getTmpFolderPath(), 'sessions')
+
+export const generateUniqueFileName = (fileName: string, extension = '') =>
+  [
+    fileName,
+    '-',
+    Math.round(Math.random() * 100000),
+    '-',
+    new Date().getTime(),
+    extension
+  ].join('')

api/src/utils/index.ts

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+export * from './file'
+export * from './sleep'
+export * from './upload'

api/src/utils/sleep.ts

@@ -0,0 +1,3 @@
+export const sleep = async (delay: number) => {
+  await new Promise((resolve) => setTimeout(resolve, delay))
+}

api/src/utils/upload.ts

@@ -0,0 +1,89 @@
+import path from 'path'
+import fs from 'fs'
+import { getTmpSessionsFolderPath } from '.'
+import { MulterFile } from '../types/Upload'
+import { listFilesInFolder } from '@sasjs/utils'
+
+/**
+ * It will create an object that maps hashed file names to the original names
+ * @param files array of files to be mapped
+ * @returns object
+ */
+export const makeFilesNamesMap = (files: MulterFile[]) => {
+  if (!files) return null
+
+  const filesNamesMap: { [key: string]: string } = {}
+
+  for (let file of files) {
+    filesNamesMap[file.filename] = file.fieldname
+  }
+
+  return filesNamesMap
+}
+
+/**
+ * Generates the sas code that references uploaded files in the concurrent request
+ * @param filesNamesMap object that maps hashed file names and original file names
+ * @param sasUploadFolder name of the folder that is created for the purpose of files in concurrent request
+ * @returns generated sas code
+ */
+export const generateFileUploadSasCode = async (
+  filesNamesMap: any,
+  sasSessionFolder: string
+): Promise<string> => {
+  let uploadSasCode = ''
+  let fileCount = 0
+  let uploadedFilesMap: {
+    fileref: string
+    filepath: string
+    filename: string
+    count: number
+  }[] = []
+
+  const sasSessionFolderList: string[] = await listFilesInFolder(
+    sasSessionFolder
+  )
+  sasSessionFolderList.forEach((fileName) => {
+    let fileCountString = fileCount < 100 ? '0' + fileCount : fileCount
+    fileCountString = fileCount < 10 ? '00' + fileCount : fileCount
+
+    if (fileName.includes('req_file')) {
+      fileCount++
+
+      uploadedFilesMap.push({
+        fileref: `_sjs${fileCountString}`,
+        filepath: `${sasSessionFolder}/${fileName}`,
+        filename: filesNamesMap[fileName],
+        count: fileCount
+      })
+    }
+  })
+
+  for (let uploadedMap of uploadedFilesMap) {
+    uploadSasCode += `\nfilename ${uploadedMap.fileref} "${uploadedMap.filepath}";`
+  }
+
+  uploadSasCode += `\n%let _WEBIN_FILE_COUNT=${fileCount};`
+
+  for (let uploadedMap of uploadedFilesMap) {
+    uploadSasCode += `\n%let _WEBIN_FILENAME${uploadedMap.count}=${uploadedMap.filepath};`
+  }
+
+  for (let uploadedMap of uploadedFilesMap) {
+    uploadSasCode += `\n%let _WEBIN_FILEREF${uploadedMap.count}=${uploadedMap.fileref};`
+  }
+
+  for (let uploadedMap of uploadedFilesMap) {
+    uploadSasCode += `\n%let _WEBIN_NAME${uploadedMap.count}=${uploadedMap.filename};`
+  }
+
+  if (fileCount > 0) {
+    uploadSasCode += `\n%let _WEBIN_NAME=&_WEBIN_NAME1;`
+    uploadSasCode += `\n%let _WEBIN_FILEREF=&_WEBIN_FILEREF1;`
+    uploadSasCode += `\n%let _WEBIN_FILENAME=&_WEBIN_FILENAME1;`
+  }
+
+  uploadSasCode += `\n`
+
+  return uploadSasCode
+}