fix(*): separate job execution code from main SASjs class

src/job-execution/WebJobExecutor.ts

@@ -0,0 +1,239 @@
+import { ServerType } from '@sasjs/utils/types'
+import { ErrorResponse, JobExecutionError, LoginRequiredError } from '..'
+import { generateFileUploadForm } from '../file/generateFileUploadForm'
+import { generateTableUploadForm } from '../file/generateTableUploadForm'
+import { RequestClient } from '../request/RequestClient'
+import { SASViyaApiClient } from '../SASViyaApiClient'
+import { SASjsRequest } from '../types'
+import {
+  asyncForEach,
+  isRelativePath,
+  parseGeneratedCode,
+  parseSourceCode,
+  parseWeboutResponse
+} from '../utils'
+import { ExecuteFunction, JobExecutor } from './JobExecutor'
+import { parseSasWork } from './parseSasWork'
+
+export class WebJobExecutor implements JobExecutor {
+  waitingRequests: ExecuteFunction[] = []
+  requests: SASjsRequest[] = []
+
+  constructor(
+    private serverUrl: string,
+    private serverType: ServerType,
+    private jobsPath: string,
+    private requestClient: RequestClient,
+    private sasViyaApiClient: SASViyaApiClient
+  ) {}
+
+  async execute(
+    sasJob: string,
+    data: any,
+    config: any,
+    loginRequiredCallback?: any
+  ) {
+    const loginCallback = loginRequiredCallback || (() => Promise.resolve())
+    const program = isRelativePath(sasJob)
+      ? config.appLoc
+        ? config.appLoc.replace(/\/?$/, '/') + sasJob.replace(/^\//, '')
+        : sasJob
+      : sasJob
+    const jobUri =
+      config.serverType === ServerType.SasViya
+        ? await this.getJobUri(sasJob)
+        : ''
+    const apiUrl = `${config.serverUrl}${this.jobsPath}/?${
+      jobUri.length > 0
+        ? '__program=' + program + '&_job=' + jobUri
+        : '_program=' + program
+    }`
+
+    let requestParams = {
+      ...this.getRequestParams(config)
+    }
+
+    let formData = new FormData()
+
+    if (data) {
+      const stringifiedData = JSON.stringify(data)
+      if (
+        config.serverType === ServerType.Sas9 ||
+        stringifiedData.length > 500000 ||
+        stringifiedData.includes(';')
+      ) {
+        // file upload approach
+        try {
+          formData = generateFileUploadForm(formData, data)
+        } catch (e) {
+          return Promise.reject(new ErrorResponse(e?.message, e))
+        }
+      } else {
+        // param based approach
+        try {
+          const {
+            formData: newFormData,
+            requestParams: params
+          } = generateTableUploadForm(formData, data)
+          formData = newFormData
+          requestParams = { ...requestParams, ...params }
+        } catch (e) {
+          return Promise.reject(new ErrorResponse(e?.message, e))
+        }
+      }
+    }
+
+    for (const key in requestParams) {
+      if (requestParams.hasOwnProperty(key)) {
+        formData.append(key, requestParams[key])
+      }
+    }
+
+    return this.requestClient!.post(
+      apiUrl,
+      formData,
+      undefined,
+      'application/json',
+      {
+        referrerPolicy: 'same-origin'
+      }
+    )
+      .then(async (res) => {
+        this.appendRequest(res, sasJob, config.debug)
+        return res.result
+      })
+      .catch(async (e: Error) => {
+        if (e instanceof JobExecutionError) {
+          this.appendRequest(e, sasJob, config.debug)
+        }
+        if (e instanceof LoginRequiredError) {
+          await loginCallback()
+          this.waitingRequests.push(() =>
+            this.execute(sasJob, data, config, loginRequiredCallback)
+          )
+        }
+        return Promise.reject(new ErrorResponse(e?.message, e))
+      })
+  }
+
+  resendWaitingRequests = async () => {
+    await asyncForEach(
+      this.waitingRequests,
+      async (waitingRequest: ExecuteFunction) => {
+        await waitingRequest()
+      }
+    )
+
+    this.waitingRequests = []
+    return
+  }
+
+  getRequests = () => this.requests
+
+  clearRequests = () => {
+    this.requests = []
+  }
+
+  private async getJobUri(sasJob: string) {
+    if (!this.sasViyaApiClient) return ''
+    let uri = ''
+
+    let folderPath
+    let jobName: string
+    if (isRelativePath(sasJob)) {
+      folderPath = sasJob.split('/')[0]
+      jobName = sasJob.split('/')[1]
+    } else {
+      const folderPathParts = sasJob.split('/')
+      jobName = folderPathParts.pop() || ''
+      folderPath = folderPathParts.join('/')
+    }
+
+    const locJobs = await this.sasViyaApiClient.getJobsInFolder(folderPath)
+    if (locJobs) {
+      const job = locJobs.find(
+        (el: any) => el.name === jobName && el.contentType === 'jobDefinition'
+      )
+      if (job) {
+        uri = job.uri
+      }
+    }
+    return uri
+  }
+
+  private getRequestParams(config: any): any {
+    const requestParams: any = {}
+
+    if (config.debug) {
+      requestParams['_omittextlog'] = 'false'
+      requestParams['_omitsessionresults'] = 'false'
+
+      requestParams['_debug'] = 131
+    }
+
+    return requestParams
+  }
+
+  private async appendRequest(response: any, program: string, debug: boolean) {
+    let sourceCode = ''
+    let generatedCode = ''
+    let sasWork = null
+
+    if (debug) {
+      if (response?.result && response?.log) {
+        sourceCode = parseSourceCode(response.log)
+        generatedCode = parseGeneratedCode(response.log)
+
+        if (response.log) {
+          sasWork = response.log
+        } else {
+          sasWork = JSON.parse(parseWeboutResponse(response.result)).WORK
+        }
+      } else if (response?.result) {
+        sourceCode = parseSourceCode(response.result)
+        generatedCode = parseGeneratedCode(response.result)
+        sasWork = await parseSasWork(
+          response.result,
+          debug,
+          this.serverUrl,
+          this.serverType
+        )
+      }
+    }
+
+    this.requests.push({
+      logFile: response?.log || response?.result || response,
+      serviceLink: program,
+      timestamp: new Date(),
+      sourceCode,
+      generatedCode,
+      SASWORK: sasWork
+    })
+
+    if (this.requests.length > 20) {
+      this.requests.splice(0, 1)
+    }
+  }
+
+  private parseSAS9ErrorResponse(response: string) {
+    const logLines = response.split('\n')
+    const parsedLines: string[] = []
+    let firstErrorLineIndex: number = -1
+
+    logLines.map((line: string, index: number) => {
+      if (
+        line.toLowerCase().includes('error') &&
+        !line.toLowerCase().includes('this request completed with errors.') &&
+        firstErrorLineIndex === -1
+      ) {
+        firstErrorLineIndex = index
+      }
+    })
+
+    for (let i = firstErrorLineIndex - 10; i <= firstErrorLineIndex + 10; i++) {
+      parsedLines.push(logLines[i])
+    }
+
+    return parsedLines.join(', ')
+  }
+}