feat(api): set up endpoint for sas code execution

src/controllers/index.ts

@@ -0,0 +1,46 @@
+import { execFile } from 'child_process'
+import { readFile, generateTimestamp, deleteFile } from '@sasjs/utils'
+import path from 'path'
+import { ExecutionResult, RequestQuery } from '../types'
+
+// FIXME
+const sasExePath = `C:\\Program Files\\SASHome\\SASFoundation\\9.4\\sas.exe`
+const baseSasLogPath = 'C:\\Users\\YuryShkoda\\projects\\server\\sas\\logs'
+const baseSasCodePath = `sas`
+
+// TODO: create utils isSasFile
+
+export const processSas = async (
+  query: RequestQuery
+): Promise<ExecutionResult> =>
+  new Promise((resolve, reject) => {
+    let sasCodePath = query._program
+    sasCodePath = path.join(baseSasCodePath, `${sasCodePath}.sas`)
+    sasCodePath = sasCodePath.replace(new RegExp('/', 'g'), path.sep)
+
+    const sasFile: string = sasCodePath.split(path.sep).pop() || 'default'
+
+    const sasLogPath = [
+      baseSasLogPath,
+      path.sep,
+      sasFile.replace(/\.sas/g, ''),
+      '-',
+      generateTimestamp(),
+      '.log'
+    ].join('')
+
+    execFile(
+      sasExePath,
+      ['-SYSIN', sasCodePath, '-log', sasLogPath, '-nosplash'],
+      async (err, _, stderr) => {
+        if (err) reject(err)
+        if (stderr) reject(stderr)
+
+        const log = await readFile(sasLogPath)
+
+        deleteFile(sasLogPath)
+
+        resolve({ log: log, logPath: sasLogPath })
+      }
+    )
+  })