Report telemetry on actions taken in the UI

extensions/ql-vscode/src/pure/interface-types.ts

@@ -413,7 +413,8 @@ export type FromRemoteQueriesMessage =
   | RemoteQueryDownloadAnalysisResultsMessage
   | RemoteQueryDownloadAllAnalysesResultsMessage
   | RemoteQueryExportResultsMessage
-  | CopyRepoListMessage;
+  | CopyRepoListMessage
+  | TelemetryMessage;
 
 export type ToRemoteQueriesMessage =
   | SetRemoteQueryResultMessage
@@ -504,6 +505,11 @@ export interface CancelVariantAnalysisMessage {
   t: "cancelVariantAnalysis";
 }
 
+export interface TelemetryMessage {
+  t: "telemetry";
+  action: string;
+}
+
 export type ToVariantAnalysisMessage =
   | SetVariantAnalysisMessage
   | SetRepoResultsMessage
@@ -517,4 +523,5 @@ export type FromVariantAnalysisMessage =
   | CopyRepositoryListMessage
   | ExportResultsMessage
   | OpenLogsMessage
-  | CancelVariantAnalysisMessage;
+  | CancelVariantAnalysisMessage
+  | TelemetryMessage;

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

@@ -33,6 +33,7 @@ import { AnalysesResultsManager } from "./analyses-results-manager";
 import { AnalysisResults } from "./shared/analysis-result";
 import { humanizeUnit } from "../pure/time";
 import { AbstractWebview, WebviewPanelConfig } from "../abstract-webview";
+import { telemetryListener } from "../telemetry";
 
 export class RemoteQueriesView extends AbstractWebview<
   ToRemoteQueriesMessage,
@@ -167,6 +168,9 @@ export class RemoteQueriesView extends AbstractWebview<
           msg.queryId,
         );
         break;
+      case "telemetry":
+        telemetryListener?.sendUIInteraction(msg.action);
+        break;
       default:
         assertNever(msg);
     }

extensions/ql-vscode/src/remote-queries/variant-analysis-view.ts

@@ -16,6 +16,7 @@ import {
   VariantAnalysisViewManager,
 } from "./variant-analysis-view-manager";
 import { showAndLogWarningMessage } from "../helpers";
+import { telemetryListener } from "../telemetry";
 
 export class VariantAnalysisView
   extends AbstractWebview<ToVariantAnalysisMessage, FromVariantAnalysisMessage>
@@ -151,6 +152,9 @@ export class VariantAnalysisView
           this.variantAnalysisId,
         );
         break;
+      case "telemetry":
+        telemetryListener?.sendUIInteraction(msg.action);
+        break;
       default:
         assertNever(msg);
     }

extensions/ql-vscode/src/telemetry.ts

@@ -12,6 +12,7 @@ import {
   GLOBAL_ENABLE_TELEMETRY,
   LOG_TELEMETRY,
   isIntegrationTestMode,
+  isCanary,
 } from "./config";
 import * as appInsights from "applicationinsights";
 import { extLogger } from "./common";
@@ -155,19 +156,32 @@ export class TelemetryListener extends ConfigListener {
       ? CommandCompletion.Cancelled
       : CommandCompletion.Failed;
 
-    const isCanary = (!!CANARY_FEATURES.getValue<boolean>()).toString();
-
     this.reporter.sendTelemetryEvent(
       "command-usage",
       {
         name,
         status,
-        isCanary,
+        isCanary: isCanary().toString(),
       },
       { executionTime },
     );
   }
 
+  sendUIInteraction(name: string) {
+    if (!this.reporter) {
+      return;
+    }
+
+    this.reporter.sendTelemetryEvent(
+      "ui-interaction",
+      {
+        name,
+        isCanary: isCanary().toString(),
+      },
+      {},
+    );
+  }
+
   /**
    * Displays a popup asking the user if they want to enable telemetry
    * for this extension.

extensions/ql-vscode/src/view/common/CodePaths/CodePaths.tsx

@@ -11,6 +11,7 @@ import {
   ResultSeverity,
 } from "../../../remote-queries/shared/analysis-result";
 import { CodePathsOverlay } from "./CodePathsOverlay";
+import { useTelemetryOnChange } from "../telemetry";
 
 const ShowPathsLink = styled(VSCodeLink)`
   cursor: pointer;
@@ -23,13 +24,18 @@ export type CodePathsProps = {
   severity: ResultSeverity;
 };
 
+const filterIsOpenTelemetry = (v: boolean) => v;
+
 export const CodePaths = ({
   codeFlows,
   ruleDescription,
   message,
   severity,
 }: CodePathsProps) => {
   const [isOpen, setIsOpen] = useState(false);
+  useTelemetryOnChange(isOpen, "code-path-is-open", {
+    filterTelemetryOnValue: filterIsOpenTelemetry,
+  });
 
   const linkRef = useRef<HTMLAnchorElement>(null);
 

extensions/ql-vscode/src/view/common/CodePaths/CodePathsOverlay.tsx

@@ -7,6 +7,7 @@ import {
   CodeFlow,
   ResultSeverity,
 } from "../../../remote-queries/shared/analysis-result";
+import { useTelemetryOnChange } from "../telemetry";
 import { SectionTitle } from "../SectionTitle";
 import { VerticalSpace } from "../VerticalSpace";
 import { CodeFlowsDropdown } from "./CodeFlowsDropdown";
@@ -77,6 +78,7 @@ export const CodePathsOverlay = ({
   onClose,
 }: CodePathsOverlayProps) => {
   const [selectedCodeFlow, setSelectedCodeFlow] = useState(codeFlows[0]);
+  useTelemetryOnChange(selectedCodeFlow, "code-flow-selected");
 
   return (
     <OverlayContainer>

extensions/ql-vscode/src/view/common/FileCodeSnippet/CodeSnippetMessage.tsx

@@ -8,6 +8,7 @@ import {
 } from "../../../remote-queries/shared/analysis-result";
 import { createRemoteFileRef } from "../../../pure/location-link-utils";
 import { VerticalSpace } from "../VerticalSpace";
+import { sendTelemetry } from "../telemetry";
 
 const getSeverityColor = (severity: ResultSeverity) => {
   switch (severity) {
@@ -49,6 +50,8 @@ type CodeSnippetMessageProps = {
   children: React.ReactNode;
 };
 
+const sendAlertMessageLinkTelemetry = () => sendTelemetry("alert-message-link");
+
 export const CodeSnippetMessage = ({
   message,
   severity,
@@ -65,6 +68,7 @@ export const CodeSnippetMessage = ({
               return (
                 <LocationLink
                   key={index}
+                  onClick={sendAlertMessageLinkTelemetry}
                   href={createRemoteFileRef(
                     token.location.fileLink,
                     token.location.highlightedRegion?.startLine,

extensions/ql-vscode/src/view/common/FileCodeSnippet/FileCodeSnippet.tsx

@@ -12,6 +12,7 @@ import {
 import { createRemoteFileRef } from "../../../pure/location-link-utils";
 import { CodeSnippetMessage } from "./CodeSnippetMessage";
 import { CodeSnippetLine } from "./CodeSnippetLine";
+import { sendTelemetry } from "../telemetry";
 
 const borderColor = "var(--vscode-editor-snippetFinalTabstopHighlightBorder)";
 
@@ -46,6 +47,9 @@ type Props = {
   messageChildren?: React.ReactNode;
 };
 
+const sendCodeSnippetTitleLinkTelemetry = () =>
+  sendTelemetry("file-code-snippet-title-link");
+
 export const FileCodeSnippet = ({
   fileLink,
   codeSnippet,
@@ -67,7 +71,12 @@ export const FileCodeSnippet = ({
     return (
       <Container>
         <TitleContainer>
-          <VSCodeLink href={titleFileUri}>{fileLink.filePath}</VSCodeLink>
+          <VSCodeLink
+            onClick={sendCodeSnippetTitleLinkTelemetry}
+            href={titleFileUri}
+          >
+            {fileLink.filePath}
+          </VSCodeLink>
         </TitleContainer>
         {message && severity && (
           <CodeSnippetMessage message={message} severity={severity}>
@@ -83,7 +92,12 @@ export const FileCodeSnippet = ({
   return (
     <Container>
       <TitleContainer>
-        <VSCodeLink href={titleFileUri}>{fileLink.filePath}</VSCodeLink>
+        <VSCodeLink
+          onClick={sendCodeSnippetTitleLinkTelemetry}
+          href={titleFileUri}
+        >
+          {fileLink.filePath}
+        </VSCodeLink>
       </TitleContainer>
       <CodeContainer>
         {code.map((line, index) => (

extensions/ql-vscode/src/view/common/telemetry.ts

@@ -0,0 +1,61 @@
+import { useEffect, useMemo, useRef } from "react";
+import { vscode } from "../vscode-api";
+
+/**
+ * A react effect that outputs telemetry events whenever the value changes.
+ *
+ * @param value Default value to pass to React.useState
+ * @param telemetryAction Name of the telemetry event to output
+ * @param options Extra optional arguments, including:
+ *   filterTelemetryOnValue: If provided, only output telemetry events when the
+ *       predicate returns true. If not provided always outputs telemetry.
+ *   debounceTimeout: If provided, will not output telemetry events for every change
+ *       but will wait until specified timeout happens with no new events ocurring.
+ */
+export function useTelemetryOnChange<S>(
+  value: S,
+  telemetryAction: string,
+  {
+    filterTelemetryOnValue,
+    debounceTimeoutMillis,
+  }: {
+    filterTelemetryOnValue?: (value: S) => boolean;
+    debounceTimeoutMillis?: number;
+  } = {},
+) {
+  const previousValue = useRef(value);
+
+  const sendTelemetryFunc = useMemo<() => void>(() => {
+    if (debounceTimeoutMillis === undefined) {
+      return () => sendTelemetry(telemetryAction);
+    } else {
+      let timer: NodeJS.Timeout;
+      return () => {
+        clearTimeout(timer);
+        timer = setTimeout(() => {
+          sendTelemetry(telemetryAction);
+        }, debounceTimeoutMillis);
+      };
+    }
+  }, [telemetryAction, debounceTimeoutMillis]);
+
+  useEffect(() => {
+    if (value === previousValue.current) {
+      return;
+    }
+    previousValue.current = value;
+
+    if (filterTelemetryOnValue && !filterTelemetryOnValue(value)) {
+      return;
+    }
+
+    sendTelemetryFunc();
+  }, [sendTelemetryFunc, filterTelemetryOnValue, value, previousValue]);
+}
+
+export function sendTelemetry(telemetryAction: string) {
+  vscode.postMessage({
+    t: "telemetry",
+    action: telemetryAction,
+  });
+}

extensions/ql-vscode/src/view/remote-queries/RawResultsTable.tsx

@@ -10,6 +10,7 @@ import {
 import { tryGetRemoteLocation } from "../../pure/bqrs-utils";
 import TextButton from "./TextButton";
 import { convertNonPrintableChars } from "../../text-utils";
+import { sendTelemetry, useTelemetryOnChange } from "../common/telemetry";
 
 const numOfResultsInContractedMode = 5;
 
@@ -45,6 +46,8 @@ type CellProps = {
   sourceLocationPrefix: string;
 };
 
+const sendRawResultsLinkTelemetry = () => sendTelemetry("raw-results-link");
+
 const Cell = ({ value, fileLinkPrefix, sourceLocationPrefix }: CellProps) => {
   switch (typeof value) {
     case "string":
@@ -59,7 +62,11 @@ const Cell = ({ value, fileLinkPrefix, sourceLocationPrefix }: CellProps) => {
       );
       const safeLabel = convertNonPrintableChars(value.label);
       if (url) {
-        return <VSCodeLink href={url}>{safeLabel}</VSCodeLink>;
+        return (
+          <VSCodeLink onClick={sendRawResultsLinkTelemetry} href={url}>
+            {safeLabel}
+          </VSCodeLink>
+        );
       } else {
         return <span>{safeLabel}</span>;
       }
@@ -94,13 +101,18 @@ type RawResultsTableProps = {
   sourceLocationPrefix: string;
 };
 
+const filterTableExpandedTelemetry = (v: boolean) => v;
+
 const RawResultsTable = ({
   schema,
   results,
   fileLinkPrefix,
   sourceLocationPrefix,
 }: RawResultsTableProps) => {
   const [tableExpanded, setTableExpanded] = useState(false);
+  useTelemetryOnChange(tableExpanded, "raw-results-table-expanded", {
+    filterTelemetryOnValue: filterTableExpandedTelemetry,
+  });
   const numOfResultsToShow = tableExpanded
     ? results.rows.length
     : numOfResultsInContractedMode;

extensions/ql-vscode/src/view/remote-queries/RemoteQueries.tsx

@@ -433,7 +433,7 @@ const AnalysesResults = ({
   sort: Sort;
 }) => {
   const totalAnalysesResults = sumAnalysesResults(analysesResults);
-  const [filterValue, setFilterValue] = React.useState("");
+  const [filterValue, setFilterValue] = useState("");
 
   if (totalResults === 0) {
     return <></>;

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

@@ -24,6 +24,7 @@ import { vscode } from "../vscode-api";
 import { AnalyzedRepoItemContent } from "./AnalyzedRepoItemContent";
 import StarCount from "../common/StarCount";
 import { LastUpdated } from "../common/LastUpdated";
+import { useTelemetryOnChange } from "../common/telemetry";
 
 // This will ensure that these icons have a className which we can use in the TitleContainer
 const ExpandCollapseCodicon = styled(Codicon)``;
@@ -157,6 +158,8 @@ const isExpandableContentLoaded = (
   return resultsLoaded;
 };
 
+const filterRepoRowExpandedTelemetry = (v: boolean) => v;
+
 export const RepoRow = ({
   repository,
   status,
@@ -168,6 +171,9 @@ export const RepoRow = ({
   onSelectedChange,
 }: RepoRowProps) => {
   const [isExpanded, setExpanded] = useState(false);
+  useTelemetryOnChange(isExpanded, "variant-analysis-repo-row-expanded", {
+    filterTelemetryOnValue: filterRepoRowExpandedTelemetry,
+  });
   const resultsLoaded = !!interpretedResults || !!rawResults;
   const [resultsLoading, setResultsLoading] = useState(false);
 
@@ -198,14 +204,15 @@ export const RepoRow = ({
     repository.fullName,
     status,
     downloadStatus,
+    setExpanded,
   ]);
 
   useEffect(() => {
     if (resultsLoaded && resultsLoading) {
       setResultsLoading(false);
       setExpanded(true);
     }
-  }, [resultsLoaded, resultsLoading]);
+  }, [resultsLoaded, resultsLoading, setExpanded]);
 
   const onClickCheckbox = useCallback((e: React.MouseEvent) => {
     // Prevent calling the onClick event of the container, which would toggle the expanded state