service-website/src/services/CamundaService.js

   1 import axios from "axios";
   2
   3 class CamundaService {
   4     constructor(callback) {
   5         this.callback = callback;
   6         this.baseUrl = 'http://localhost:8085/engine-rest/';
   7         this.axiosInstance = axios.create({
   8             baseURL: this.baseUrl,
   9         });
  10         this.submitPdfForm = this.submitPdfForm.bind(this);
  11         this.delay = this.delay.bind(this);
  12         this.getPdfDownloadLink = this.getPdfDownloadLink.bind(this);
  13     }
  14
  15     submitPdfForm(terms) {
  16         const termsValue = [];
  17         terms.forEach(term => {
  18             termsValue.push({term});
  19         });
  20         const submitFormUrl = 'process-definition/key/sentiment-analysis/submit-form';
  21         const data = {
  22             variables: {
  23                 terms: {
  24                     value: JSON.stringify(termsValue),
  25                     type: "Json",
  26                 },
  27             },
  28         };
  29         this.axiosInstance
  30             .post(submitFormUrl, data)
  31             .then(response => {
  32                 const data = response.data;
  33                 const id = data['id'];
  34                 this.getPdfDownloadLink(id)
  35             })
  36             .catch(error => {
  37                 console.log(error);
  38             });
  39     }
  40
  41     delay(ms) {
  42         return new Promise((resolve, reject) => {
  43             setTimeout(resolve, ms);
  44         });
  45     }
  46
  47     getPdfDownloadLink(id) {
  48         const downloadUrl = this.baseUrl + 'process-instance/' + id + '/variables/reportPDF/data';
  49         this.axiosInstance
  50             .get(downloadUrl)
  51             .then(response => {
  52                 this.callback(downloadUrl);
  53             })
  54             .catch(error => {
  55                 this.delay(5000)
  56                     .then(() => {
  57                         this.getPdfDownloadLink(id);
  58                     });
  59             });
  60     }
  61 }
  62
  63 export default CamundaService;