Use language display name for downloading databases

extensions/ql-vscode/src/databases/database-fetcher.ts

@@ -32,6 +32,7 @@ import { AppCommandManager } from "../common/commands";
 import { allowHttp } from "../config";
 import { showAndLogInformationMessage } from "../common/logging";
 import { AppOctokit } from "../common/octokit";
+import { getLanguageDisplayName } from "../common/query-language";
 
 /**
  * Prompts a user to fetch a database from a remote location. Database is assumed to be an archive file.
@@ -579,10 +580,23 @@ export async function promptForLanguage(
     return languages[0];
   }
 
-  return await window.showQuickPick(languages, {
+  const items = languages
+    .map((language) => ({
+      label: getLanguageDisplayName(language),
+      description: language,
+      language,
+    }))
+    .sort((a, b) => a.label.localeCompare(b.label));
+
+  const selectedItem = await window.showQuickPick(items, {
     placeHolder: "Select the database language to download:",
     ignoreFocusOut: true,
   });
+  if (!selectedItem) {
+    return undefined;
+  }
+
+  return selectedItem.language;
 }
 
 /**

extensions/ql-vscode/test/vscode-tests/no-workspace/databases/database-fetcher.test.ts

@@ -73,7 +73,12 @@ describe("database-fetcher", () => {
 
     it("should convert a GitHub nwo to a database url", async () => {
       mockRequest.mockResolvedValue(successfullMockApiResponse);
-      quickPickSpy.mockResolvedValue(mockedQuickPickItem("javascript"));
+      quickPickSpy.mockResolvedValue(
+        mockedQuickPickItem({
+          label: "JavaScript",
+          language: "javascript",
+        }),
+      );
       const githubRepo = "github/codeql";
       const result = await convertGithubNwoToDatabaseUrl(
         githubRepo,
@@ -94,7 +99,23 @@ describe("database-fetcher", () => {
       expect(owner).toBe("github");
       expect(quickPickSpy).toHaveBeenNthCalledWith(
         1,
-        ["csharp", "javascript", "ql"],
+        [
+          expect.objectContaining({
+            label: "C#",
+            description: "csharp",
+            language: "csharp",
+          }),
+          expect.objectContaining({
+            label: "JavaScript",
+            description: "javascript",
+            language: "javascript",
+          }),
+          expect.objectContaining({
+            label: "ql",
+            description: "ql",
+            language: "ql",
+          }),
+        ],
         expect.anything(),
       );
     });