Keep track of checkbox state in view

This will add a new `useState` call on the top-level to keep track of
the checkbox state. It will allow all downloaded repositories to be
selected. This will allow us to make the copy repository list and export
results button dependent on the selected repositories.

extensions/ql-vscode/src/view/variant-analysis/RepoRow.tsx

@@ -1,5 +1,5 @@
 import * as React from 'react';
-import { useCallback, useEffect, useState } from 'react';
+import { ChangeEvent, useCallback, useEffect, useState } from 'react';
 import styled from 'styled-components';
 import { VSCodeBadge, VSCodeCheckbox } from '@vscode/webview-ui-toolkit/react';
 import {
@@ -80,6 +80,9 @@ export type RepoRowProps = {
 
   interpretedResults?: AnalysisAlert[];
   rawResults?: AnalysisRawResults;
+
+  selected?: boolean;
+  onSelectedChange?: (repositoryId: number, selected: boolean) => void;
 }
 
 const canExpand = (
@@ -101,6 +104,21 @@ const canExpand = (
   return downloadStatus === VariantAnalysisScannedRepositoryDownloadStatus.Succeeded || downloadStatus === VariantAnalysisScannedRepositoryDownloadStatus.Failed;
 };
 
+const canSelect = (
+  status: VariantAnalysisRepoStatus | undefined,
+  downloadStatus: VariantAnalysisScannedRepositoryDownloadStatus | undefined,
+): boolean => {
+  if (!status) {
+    return false;
+  }
+
+  if (status !== VariantAnalysisRepoStatus.Succeeded) {
+    return false;
+  }
+
+  return downloadStatus === VariantAnalysisScannedRepositoryDownloadStatus.Succeeded;
+};
+
 const isExpandableContentLoaded = (
   status: VariantAnalysisRepoStatus | undefined,
   downloadStatus: VariantAnalysisScannedRepositoryDownloadStatus | undefined,
@@ -133,6 +151,8 @@ export const RepoRow = ({
   resultCount,
   interpretedResults,
   rawResults,
+  selected,
+  onSelectedChange,
 }: RepoRowProps) => {
   const [isExpanded, setExpanded] = useState(false);
   const resultsLoaded = !!interpretedResults || !!rawResults;
@@ -163,13 +183,35 @@ export const RepoRow = ({
     }
   }, [resultsLoaded, resultsLoading]);
 
+  const onClickCheckbox = useCallback((e: React.MouseEvent) => {
+    // Prevent calling the onClick event of the container, which would toggle the expanded state
+    e.stopPropagation();
+  }, []);
+  const onChangeCheckbox = useCallback((e: ChangeEvent<HTMLInputElement>) => {
+    // This is called on first render, but we don't really care about this value
+    if (e.target.checked === undefined) {
+      return;
+    }
+
+    if (!repository.id) {
+      return;
+    }
+
+    onSelectedChange?.(repository.id, e.target.checked);
+  }, [onSelectedChange, repository]);
+
   const disabled = !canExpand(status, downloadStatus);
   const expandableContentLoaded = isExpandableContentLoaded(status, downloadStatus, resultsLoaded);
 
   return (
     <div>
       <TitleContainer onClick={toggleExpanded} disabled={disabled} aria-expanded={isExpanded}>
-        <VSCodeCheckbox disabled />
+        <VSCodeCheckbox
+          onChange={onChangeCheckbox}
+          onClick={onClickCheckbox}
+          checked={selected}
+          disabled={!repository.id || !canSelect(status, downloadStatus)}
+        />
         {isExpanded ? <ExpandCollapseCodicon name="chevron-down" label="Collapse" /> :
           <ExpandCollapseCodicon name="chevron-right" label="Expand" />}
         <VSCodeBadge>{resultCount === undefined ? '-' : formatDecimal(resultCount)}</VSCodeBadge>

extensions/ql-vscode/src/view/variant-analysis/VariantAnalysis.tsx

@@ -51,6 +51,8 @@ export function VariantAnalysis({
   const [repoStates, setRepoStates] = useState<VariantAnalysisScannedRepositoryState[]>(initialRepoStates);
   const [repoResults, setRepoResults] = useState<VariantAnalysisScannedRepositoryResult[]>(initialRepoResults);
 
+  const [selectedRepositoryIds, setSelectedRepositoryIds] = useState<number[]>([]);
+
   useEffect(() => {
     const listener = (evt: MessageEvent) => {
       if (evt.origin === window.origin) {
@@ -103,6 +105,8 @@ export function VariantAnalysis({
         variantAnalysis={variantAnalysis}
         repositoryStates={repoStates}
         repositoryResults={repoResults}
+        selectedRepositoryIds={selectedRepositoryIds}
+        setSelectedRepositoryIds={setSelectedRepositoryIds}
       />
     </>
   );

extensions/ql-vscode/src/view/variant-analysis/VariantAnalysisAnalyzedRepos.tsx

@@ -1,5 +1,5 @@
 import * as React from 'react';
-import { useMemo } from 'react';
+import { Dispatch, SetStateAction, useCallback, useMemo } from 'react';
 import styled from 'styled-components';
 import { RepoRow } from './RepoRow';
 import {
@@ -22,6 +22,9 @@ export type VariantAnalysisAnalyzedReposProps = {
   repositoryResults?: VariantAnalysisScannedRepositoryResult[];
 
   filterSortState?: RepositoriesFilterSortState;
+
+  selectedRepositoryIds?: number[];
+  setSelectedRepositoryIds?: Dispatch<SetStateAction<number[]>>;
 }
 
 export const VariantAnalysisAnalyzedRepos = ({
@@ -29,6 +32,8 @@ export const VariantAnalysisAnalyzedRepos = ({
   repositoryStates,
   repositoryResults,
   filterSortState,
+  selectedRepositoryIds,
+  setSelectedRepositoryIds,
 }: VariantAnalysisAnalyzedReposProps) => {
   const repositoryStateById = useMemo(() => {
     const map = new Map<number, VariantAnalysisScannedRepositoryState>();
@@ -52,6 +57,20 @@ export const VariantAnalysisAnalyzedRepos = ({
     })?.sort(compareWithResults(filterSortState));
   }, [filterSortState, variantAnalysis.scannedRepos]);
 
+  const onSelectedChange = useCallback((repositoryId: number, selected: boolean) => {
+    setSelectedRepositoryIds?.((prevSelectedRepositoryIds) => {
+      if (selected) {
+        if (prevSelectedRepositoryIds.includes(repositoryId)) {
+          return prevSelectedRepositoryIds;
+        }
+
+        return [...prevSelectedRepositoryIds, repositoryId];
+      } else {
+        return prevSelectedRepositoryIds.filter((id) => id !== repositoryId);
+      }
+    });
+  }, [setSelectedRepositoryIds]);
+
   return (
     <Container>
       {repositories?.map(repository => {
@@ -67,6 +86,8 @@ export const VariantAnalysisAnalyzedRepos = ({
             resultCount={repository.resultCount}
             interpretedResults={results?.interpretedResults}
             rawResults={results?.rawResults}
+            selected={selectedRepositoryIds?.includes(repository.repository.id)}
+            onSelectedChange={onSelectedChange}
           />
         );
       })}

extensions/ql-vscode/src/view/variant-analysis/VariantAnalysisOutcomePanels.tsx

@@ -1,5 +1,5 @@
 import * as React from 'react';
-import { useState } from 'react';
+import { Dispatch, SetStateAction, useState } from 'react';
 import styled from 'styled-components';
 import { VSCodeBadge, VSCodePanels, VSCodePanelTab, VSCodePanelView } from '@vscode/webview-ui-toolkit/react';
 import { formatDecimal } from '../../pure/number';
@@ -20,6 +20,9 @@ export type VariantAnalysisOutcomePanelProps = {
   variantAnalysis: VariantAnalysis;
   repositoryStates?: VariantAnalysisScannedRepositoryState[];
   repositoryResults?: VariantAnalysisScannedRepositoryResult[];
+
+  selectedRepositoryIds?: number[];
+  setSelectedRepositoryIds?: Dispatch<SetStateAction<number[]>>;
 };
 
 const Tab = styled(VSCodePanelTab)`
@@ -46,6 +49,8 @@ export const VariantAnalysisOutcomePanels = ({
   variantAnalysis,
   repositoryStates,
   repositoryResults,
+  selectedRepositoryIds,
+  setSelectedRepositoryIds,
 }: VariantAnalysisOutcomePanelProps) => {
   const [filterSortState, setFilterSortState] = useState<RepositoriesFilterSortState>(defaultFilterSortState);
 
@@ -94,6 +99,8 @@ export const VariantAnalysisOutcomePanels = ({
           repositoryStates={repositoryStates}
           repositoryResults={repositoryResults}
           filterSortState={filterSortState}
+          selectedRepositoryIds={selectedRepositoryIds}
+          setSelectedRepositoryIds={setSelectedRepositoryIds}
         />
       </>
     );
@@ -126,6 +133,8 @@ export const VariantAnalysisOutcomePanels = ({
             repositoryStates={repositoryStates}
             repositoryResults={repositoryResults}
             filterSortState={filterSortState}
+            selectedRepositoryIds={selectedRepositoryIds}
+            setSelectedRepositoryIds={setSelectedRepositoryIds}
           />
         </VSCodePanelView>
         {notFoundRepos?.repositoryCount &&

extensions/ql-vscode/src/view/variant-analysis/__tests__/RepoRow.spec.tsx

@@ -1,5 +1,5 @@
 import * as React from 'react';
-import { render as reactRender, screen } from '@testing-library/react';
+import { render as reactRender, screen, waitFor } from '@testing-library/react';
 import {
   VariantAnalysisRepoStatus,
   VariantAnalysisScannedRepositoryDownloadStatus
@@ -330,4 +330,42 @@ describe(RepoRow.name, () => {
       expanded: false
     })).toBeDisabled();
   });
+
+  it('does not allow selecting the item if the item has not succeeded', async () => {
+    render({
+      status: VariantAnalysisRepoStatus.InProgress,
+    });
+
+    expect(screen.getByRole('checkbox')).toBeDisabled();
+  });
+
+  it('does not allow selecting the item if the item has not been downloaded', async () => {
+    render({
+      status: VariantAnalysisRepoStatus.Succeeded,
+    });
+
+    expect(screen.getByRole('checkbox')).toBeDisabled();
+  });
+
+  it('does not allow selecting the item if the item has not been downloaded successfully', async () => {
+    render({
+      status: VariantAnalysisRepoStatus.Succeeded,
+      downloadStatus: VariantAnalysisScannedRepositoryDownloadStatus.Failed,
+    });
+
+    // It seems like sometimes the first render doesn't have the checkbox disabled
+    // Might be related to https://github.com/microsoft/vscode-webview-ui-toolkit/issues/404
+    await waitFor(() => {
+      expect(screen.getByRole('checkbox')).toBeDisabled();
+    });
+  });
+
+  it('allows selecting the item if the item has been downloaded', async () => {
+    render({
+      status: VariantAnalysisRepoStatus.Succeeded,
+      downloadStatus: VariantAnalysisScannedRepositoryDownloadStatus.Succeeded,
+    });
+
+    expect(screen.getByRole('checkbox')).toBeEnabled();
+  });
 });