Programatic download/export for workflow history (#546)

* handle export for cross origin

* lint fix

* fix href for export btn

* remove wrong query params to the export get

* change export link to use onclick

* fix blob content

* parse status query param to int (#544)

Co-authored-by: Assem Hafez <[email protected]>

* move chai-spies to dev dependecies

* fix lint

* preserve event target reference in the promise context

* fix lint

---------

Co-authored-by: Assem Hafez <[email protected]>

Author: Assem-Hafez

client/containers/workflow-history/component.vue

@@ -43,6 +43,8 @@ import {
   SelectInput,
 } from '~components';
 
+import { httpService } from '~services';
+
 export default {
   name: 'history',
   data() {
@@ -88,7 +90,6 @@ export default {
     'workflowHistoryEventHighlightList',
     'workflowHistoryEventHighlightListEnabled',
     'workflowId',
-    'origin',
   ],
   created() {
     this.onResizeWindow = debounce(() => {
@@ -314,6 +315,21 @@ export default {
         });
       }
     },
+    exportHistory(e) {
+      const target = e.target;
+
+      httpService.get(this.baseAPIURL + '/export').then(historyJson => {
+        const blob = new Blob([JSON.stringify(historyJson)], {
+          type: 'application/json',
+        });
+
+        target.href = window.URL.createObjectURL(blob);
+        target.download = this.exportFilename;
+        target.click();
+      });
+
+      return false;
+    },
   },
   watch: {
     eventId(eventId) {
@@ -398,10 +414,7 @@ export default {
           class="show-timeline-btn"
           >{{ graphView === GRAPH_VIEW_TIMELINE ? 'hide' : 'show' }} timeline</a
         >
-        <a
-          class="export"
-          :href="origin + baseAPIURL + '/export'"
-          :download="exportFilename"
+        <a class="export" href="#" @click.once.prevent="exportHistory"
           >Export</a
         >
       </div>

client/containers/workflow-history/connector.js

@@ -21,11 +21,9 @@
 
 import { connect } from 'vuex-connect';
 import { WORKFLOW_EXECUTION_PENDING_TASK_COUNT } from '../workflow/getter-types';
-import { DOMAIN_CROSS_ORIGIN } from '../domain/getter-types';
 
 const gettersToProps = {
   pendingTaskCount: WORKFLOW_EXECUTION_PENDING_TASK_COUNT,
-  origin: DOMAIN_CROSS_ORIGIN,
 };
 
 const stateToProps = {

client/test/index.js

@@ -72,6 +72,7 @@ chai.should();
 chai.use(require('chai-dom'));
 chai.use(require('chai-string'));
 chai.use(require('chai-things'));
+chai.use(require('chai-spies'));
 
 require('nathanboktae-browser-test-utils');
 

client/test/scenario.js

@@ -365,6 +365,14 @@ Scenario.prototype.withFullHistory = function withFullHistory(events, options) {
     .withHistory(parsedEvents.slice(third + third), false, options);
 };
 
+Scenario.prototype.withExportHistory = function withExportHistory(events) {
+  const jsonHistoryEvents = getFixture('history.emailRun1', events);
+
+  this.api.getOnce(`${this.execApiBase()}/export`, jsonHistoryEvents);
+
+  return this;
+};
+
 Scenario.prototype.withQuery = function withQuery(query) {
   this.api.getOnce(
     `${this.execApiBase()}/query`,

client/test/workflow.test.js

@@ -505,13 +505,13 @@ describe('Workflow', () => {
         ...o,
       });
 
-      scenario.withFullHistory(opts.events);
+      scenario.withFullHistory(opts.events).withExportHistory(opts.events);
 
       const historyEl = await scenario
         .render(opts.attach)
         .waitUntilExists('section.execution.ready');
 
-      return [historyEl, scenario];
+      return [historyEl, scenario, opts];
     }
     it('should pick default view format from localstorage if exists ', async function test() {
       localStorage.setItem('ci-test:history-viewing-format', 'json');
@@ -570,19 +570,23 @@ describe('Workflow', () => {
     });
 
     it('should allow downloading the full history via export', async function test() {
-      const [, scenario] = await historyTest(this.test);
+      const [, scenario, opts] = await historyTest(this.test);
       const exportEl = await scenario.vm.$el.waitUntilExists(
         'section.history .controls a.export'
       );
+      const downloadLink = 'javascript:void(0);'; //prevent createing a redirectable link
 
-      exportEl.should.have.attr(
-        'href',
-        'http://localhost:8090/api/domains/ci-test/workflows/email-daily-summaries/emailRun1/export'
-      );
-      exportEl.should.have.attr(
-        'download',
-        'email daily summaries - emailRun1.json'
-      );
+      chai.spy.on(window.URL, 'createObjectURL', () => downloadLink);
+      exportEl.trigger('click');
+
+      await retry(() => {
+        window.URL.createObjectURL.should.have.been.called();
+        exportEl.should.have.attr('href', downloadLink);
+        exportEl.should.have.attr(
+          'download',
+          'email daily summaries - emailRun1.json'
+        );
+      });
     });
 
     describe('Compact View', function describeTest() {

package-lock.json

@@ -109,6 +109,7 @@
     "babel-jest": "^24.9.0",
     "chai": "^4.1.2",
     "chai-dom": "^1.7.0",
+    "chai-spies": "^1.1.0",
     "chai-string": "^1.5.0",
     "chai-things": "^0.2.0",
     "eslint": "^7.32.0",