feat(amazonq): "View Summary" button in chat #6270

## Problem
A "View summary" button was missing in the chat, which made it difficult
for users to re-open their transformation summary once they closed it.

## Solution
Add the button.

Author: dhasani23

packages/amazonq/.changes/next-release/Feature-1e7f3af5-7c94-4c60-8909-a61c0b06e02e.json

@@ -0,0 +1,4 @@
+{
+	"type": "Feature",
+	"description": "Amazon Q Code Transformation: add view summary button in chat"
+}

packages/amazonq/test/e2e/amazonq/transformByQ.test.ts

@@ -7,7 +7,12 @@ import assert from 'assert'
 import { qTestingFramework } from './framework/framework'
 import sinon from 'sinon'
 import { Messenger } from './framework/messenger'
-import { JDKVersion, TransformationType, transformByQState } from 'aws-core-vscode/codewhisperer'
+import {
+    CodeWhispererConstants,
+    JDKVersion,
+    TransformationType,
+    transformByQState,
+} from 'aws-core-vscode/codewhisperer'
 import { GumbyController, setMaven, startTransformByQ, TabsStorage } from 'aws-core-vscode/amazonqGumby'
 import { using, registerAuthHook, TestFolder } from 'aws-core-vscode/test'
 import { loginToIdC } from './utils/setup'
@@ -153,6 +158,27 @@ describe('Amazon Q Code Transformation', function () {
             const jdkPathResponse = tab.getChatItems().pop()
             // this 'Sorry' message is OK - just making sure that the UI components are working correctly
             assert.strictEqual(jdkPathResponse?.body?.includes("Sorry, I couldn't locate your Java installation"), true)
+
+            const tmpDir = (await TestFolder.create()).path
+
+            transformByQState.setSummaryFilePath(path.join(tmpDir, 'summary.md'))
+
+            transformByQState
+                .getChatMessenger()
+                ?.sendJobFinishedMessage(tab.tabID, CodeWhispererConstants.viewProposedChangesChatMessage)
+
+            tab.clickCustomFormButton({
+                id: 'gumbyViewSummary',
+                text: 'View summary',
+            })
+
+            await tab.waitForEvent(() => tab.getChatItems().length > 14, {
+                waitTimeoutInMs: 5000,
+                waitIntervalInMs: 1000,
+            })
+
+            const viewSummaryChatItem = tab.getChatItems().pop()
+            assert.strictEqual(viewSummaryChatItem?.body?.includes('view a summary'), true)
         })
 
         it('Can provide metadata file for a SQL conversion', async () => {

packages/core/src/amazonqGumby/chat/controller/controller.ts

@@ -395,7 +395,9 @@ export class GumbyController {
                 break
             case ButtonActions.VIEW_TRANSFORMATION_HUB:
                 await vscode.commands.executeCommand(GumbyCommands.FOCUS_TRANSFORMATION_HUB, CancelActionPositions.Chat)
-                this.messenger.sendJobSubmittedMessage(message.tabID)
+                break
+            case ButtonActions.VIEW_SUMMARY:
+                await vscode.commands.executeCommand('aws.amazonq.transformationHub.summary.reveal')
                 break
             case ButtonActions.STOP_TRANSFORMATION_JOB:
                 await stopTransformByQ(transformByQState.getJobId())

packages/core/src/amazonqGumby/chat/controller/messenger/messenger.ts

@@ -243,8 +243,8 @@ export class Messenger {
             mandatory: true,
             options: [
                 {
-                    value: JDKVersion.JDK17.toString(),
-                    label: JDKVersion.JDK17.toString(),
+                    value: JDKVersion.JDK17,
+                    label: JDKVersion.JDK17,
                 },
             ],
         })
@@ -376,19 +376,20 @@ export class Messenger {
     ) {
         const buttons: ChatItemButton[] = []
 
+        // don't show these buttons when server build fails
         if (!disableJobActions) {
-            // Note: buttons can only be clicked once.
-            // To get around this, we remove the card after it's clicked and then resubmit the message.
             buttons.push({
                 keepCardAfterClick: true,
                 text: CodeWhispererConstants.openTransformationHubButtonText,
                 id: ButtonActions.VIEW_TRANSFORMATION_HUB,
+                disabled: false, // allow button to be re-clicked
             })
 
             buttons.push({
                 keepCardAfterClick: true,
                 text: CodeWhispererConstants.stopTransformationButtonText,
                 id: ButtonActions.STOP_TRANSFORMATION_JOB,
+                disabled: false,
             })
         }
 
@@ -514,6 +515,16 @@ export class Messenger {
                 keepCardAfterClick: false,
                 text: CodeWhispererConstants.startTransformationButtonText,
                 id: ButtonActions.CONFIRM_START_TRANSFORMATION_FLOW,
+                disabled: false,
+            })
+        }
+
+        if (transformByQState.getSummaryFilePath()) {
+            buttons.push({
+                keepCardAfterClick: true,
+                text: CodeWhispererConstants.viewSummaryButtonText,
+                id: ButtonActions.VIEW_SUMMARY,
+                disabled: false,
             })
         }
 

packages/core/src/amazonqGumby/chat/controller/messenger/messengerUtils.ts

@@ -13,6 +13,7 @@ import DependencyVersions from '../../../models/dependencies'
 export enum ButtonActions {
     STOP_TRANSFORMATION_JOB = 'gumbyStopTransformationJob',
     VIEW_TRANSFORMATION_HUB = 'gumbyViewTransformationHub',
+    VIEW_SUMMARY = 'gumbyViewSummary',
     CONFIRM_LANGUAGE_UPGRADE_TRANSFORMATION_FORM = 'gumbyLanguageUpgradeTransformFormConfirm',
     CONFIRM_SQL_CONVERSION_TRANSFORMATION_FORM = 'gumbySQLConversionTransformFormConfirm',
     CANCEL_TRANSFORMATION_FORM = 'gumbyTransformFormCancel', // shared between Language Upgrade & SQL Conversion

packages/core/src/codewhisperer/commands/startTransformByQ.ts

@@ -8,6 +8,7 @@ import * as fs from 'fs' // eslint-disable-line no-restricted-imports
 import path from 'path'
 import { getLogger } from '../../shared/logger'
 import * as CodeWhispererConstants from '../models/constants'
+import * as localizedText from '../../shared/localizedText'
 import {
     transformByQState,
     StepProgress,
@@ -233,7 +234,7 @@ export async function preTransformationUploadCode() {
     await vscode.commands.executeCommand('aws.amazonq.transformationHub.focus')
 
     void vscode.window.showInformationMessage(CodeWhispererConstants.jobStartedNotification, {
-        title: CodeWhispererConstants.jobStartedTitle,
+        title: localizedText.ok,
     })
 
     let uploadId = ''
@@ -750,7 +751,7 @@ export async function postTransformationJob() {
 
     if (transformByQState.isSucceeded()) {
         void vscode.window.showInformationMessage(CodeWhispererConstants.jobCompletedNotification(diffMessage), {
-            title: CodeWhispererConstants.transformationCompletedTitle,
+            title: localizedText.ok,
         })
     } else if (transformByQState.isPartiallySucceeded()) {
         void vscode.window

packages/core/src/codewhisperer/models/constants.ts

@@ -554,15 +554,15 @@ export const noOngoingJobMessage = 'No ongoing job.'
 
 export const nothingToShowMessage = 'Nothing to show'
 
-export const jobStartedTitle = 'Transformation started'
-
 export const jobStartedNotification =
     'Amazon Q is transforming your code. It can take 10 to 30 minutes to upgrade your code, depending on the size of your project. To monitor progress, go to the Transformation Hub.'
 
 export const openTransformationHubButtonText = 'Open Transformation Hub'
 
 export const startTransformationButtonText = 'Start a new transformation'
 
+export const viewSummaryButtonText = 'View summary'
+
 export const stopTransformationButtonText = 'Stop transformation'
 
 export const checkingForProjectsChatMessage = 'Checking for eligible projects...'
@@ -638,8 +638,6 @@ export const jobCancelledChatMessage =
 
 export const jobCancelledNotification = 'You cancelled the transformation.'
 
-export const transformationCompletedTitle = 'Transformation complete'
-
 export const diffMessage = (multipleDiffs: boolean) => {
     return multipleDiffs
         ? 'You can review the diffs to see my proposed changes and accept or reject them. You will be able to accept changes from one diff at a time. If you reject changes in one diff, you will not be able to view or accept changes in the other diffs.'

packages/core/src/codewhisperer/service/transformByQ/transformationResultsViewProvider.ts

@@ -365,12 +365,11 @@ export class ProposedTransformationExplorer {
         })
 
         vscode.commands.registerCommand('aws.amazonq.transformationHub.summary.reveal', async () => {
-            if (transformByQState.getSummaryFilePath() !== '') {
+            if (fs.existsSync(transformByQState.getSummaryFilePath())) {
                 await vscode.commands.executeCommand(
                     'markdown.showPreview',
                     vscode.Uri.file(transformByQState.getSummaryFilePath())
                 )
-                telemetry.ui_click.emit({ elementId: 'transformationHub_viewSummary' })
             }
         })