Extract sum method for adding up repo results

When a queryResult is created, it comes with an array for AnalysisSummaries.
There is one summary per repository.

We've had to calculate the total number of results for all summaries in multiple
places, so let's extract a method for this as well.

extensions/ql-vscode/src/remote-queries/remote-queries-interface.ts

@@ -18,10 +18,16 @@ import {
 import { Logger } from '../logging';
 import { getHtmlForWebview } from '../interface-utils';
 import { assertNever } from '../pure/helpers-pure';
-import { AnalysisSummary, RemoteQueryResult } from './remote-query-result';
+import {
+  AnalysisSummary,
+  RemoteQueryResult,
+  sumAnalysisSummariesResults
+} from './remote-query-result';
 import { RemoteQuery } from './remote-query';
-import { RemoteQueryResult as RemoteQueryResultViewModel } from './shared/remote-query-result';
-import { AnalysisSummary as AnalysisResultViewModel } from './shared/remote-query-result';
+import {
+  AnalysisSummary as AnalysisResultViewModel,
+  RemoteQueryResult as RemoteQueryResultViewModel
+} from './shared/remote-query-result';
 import { showAndLogWarningMessage } from '../helpers';
 import { URLSearchParams } from 'url';
 import { SHOW_QUERY_TEXT_MSG } from '../query-history';
@@ -73,7 +79,7 @@ export class RemoteQueriesInterfaceManager {
    */
   private buildViewModel(query: RemoteQuery, queryResult: RemoteQueryResult): RemoteQueryResultViewModel {
     const queryFileName = path.basename(query.queryFilePath);
-    const totalResultCount = queryResult.analysisSummaries.reduce((acc, cur) => acc + cur.resultCount, 0);
+    const totalResultCount = sumAnalysisSummariesResults(queryResult.analysisSummaries);
     const executionDuration = this.getDuration(queryResult.executionEndTime, query.executionStartTime);
     const analysisSummaries = this.buildAnalysisSummaries(queryResult.analysisSummaries);
     const totalRepositoryCount = queryResult.analysisSummaries.length;

extensions/ql-vscode/src/remote-queries/remote-queries-manager.ts

@@ -15,7 +15,7 @@ import { RemoteQuery } from './remote-query';
 import { RemoteQueriesMonitor } from './remote-queries-monitor';
 import { getRemoteQueryIndex, getRepositoriesMetadata, RepositoriesMetadata } from './gh-actions-api-client';
 import { RemoteQueryResultIndex } from './remote-query-result-index';
-import { RemoteQueryResult } from './remote-query-result';
+import { RemoteQueryResult, sumAnalysisSummariesResults } from './remote-query-result';
 import { DownloadLink } from './download-link';
 import { AnalysesResultsManager } from './analyses-results-manager';
 import { assertNever } from '../pure/helpers-pure';
@@ -250,7 +250,7 @@ export class RemoteQueriesManager extends DisposableObject {
   }
 
   private async askToOpenResults(query: RemoteQuery, queryResult: RemoteQueryResult): Promise<void> {
-    const totalResultCount = queryResult.analysisSummaries.reduce((acc, cur) => acc + cur.resultCount, 0);
+    const totalResultCount = sumAnalysisSummariesResults(queryResult.analysisSummaries);
     const totalRepoCount = queryResult.analysisSummaries.length;
     const message = `Query "${query.queryName}" run on ${totalRepoCount} repositories and returned ${totalResultCount} results`;
 
@@ -318,7 +318,7 @@ export class RemoteQueriesManager extends DisposableObject {
     if (resultIndex) {
       const metadata = await this.getRepositoriesMetadata(resultIndex, credentials);
       const queryResult = this.mapQueryResult(executionEndTime, resultIndex, queryId, metadata);
-      const resultCount = queryResult.analysisSummaries.reduce((acc, cur) => acc + cur.resultCount, 0);
+      const resultCount = sumAnalysisSummariesResults(queryResult.analysisSummaries);
       this.remoteQueryStatusUpdateEventEmitter.fire({
         queryId,
         status: QueryStatus.Completed,

extensions/ql-vscode/src/remote-queries/remote-query-result.ts

@@ -18,3 +18,10 @@ export interface AnalysisSummary {
   starCount?: number,
   lastUpdated?: number,
 }
+
+/**
+ * Sums up the number of results for all repos queried via a remote query.
+ */
+export const sumAnalysisSummariesResults = (analysisSummaries: AnalysisSummary[]): number => {
+  return analysisSummaries.reduce((acc, cur) => acc + cur.resultCount, 0);
+};