Add button to open database config from the new databases UI (#1719)

extensions/ql-vscode/package.json

@@ -360,6 +360,14 @@
         "command": "codeQL.copyVersion",
         "title": "CodeQL: Copy Version Information"
       },
+      {
+        "command": "codeQLDatabasesExperimental.openConfigFile",
+        "title": "Open Database Configuration File",
+        "icon": {
+          "light": "media/light/edit.svg",
+          "dark": "media/dark/edit.svg"
+        }
+      },
       {
         "command": "codeQLDatabases.chooseDatabaseFolder",
         "title": "Choose Database from Folder",
@@ -758,6 +766,11 @@
           "command": "codeQLEvalLogViewer.clear",
           "when": "view == codeQLEvalLogViewer",
           "group": "navigation"
+        },
+        {
+          "command": "codeQLDatabasesExperimental.openConfigFile",
+          "when": "view == codeQLDatabasesExperimental",
+          "group": "navigation"
         }
       ],
       "view/item/context": [
@@ -976,6 +989,10 @@
           "command": "codeQL.chooseDatabaseLgtm",
           "when": "config.codeQL.canary"
         },
+        {
+          "command": "codeQLDatabasesExperimental.openConfigFile",
+          "when": "false"
+        },
         {
           "command": "codeQLDatabases.setCurrentDatabase",
           "when": "false"

extensions/ql-vscode/src/databases/db-config-store.ts

@@ -33,6 +33,10 @@ export class DbConfigStore extends DisposableObject {
     return cloneDbConfig(this.config);
   }
 
+  public getConfigPath(): string {
+    return this.configPath;
+  }
+
   private async loadConfig(): Promise<void> {
     if (!await fs.pathExists(this.configPath)) {
       await fs.writeJSON(this.configPath, this.createEmptyConfig(), { spaces: 2 });

extensions/ql-vscode/src/databases/db-manager.ts

@@ -16,4 +16,8 @@ export class DbManager {
       createLocalTree()
     ];
   }
+
+  public getConfigPath(): string {
+    return this.dbConfigStore.getConfigPath();
+  }
 }

extensions/ql-vscode/src/databases/db-module.ts

@@ -27,6 +27,8 @@ export class DbModule extends DisposableObject {
 
     const dbManager = new DbManager(dbConfigStore);
     const dbPanel = new DbPanel(dbManager);
+    await dbPanel.initialize();
+    extensionContext.subscriptions.push(dbPanel);
 
     this.push(dbPanel);
     this.push(dbConfigStore);

extensions/ql-vscode/src/databases/ui/db-panel.ts

@@ -1,4 +1,5 @@
 import * as vscode from 'vscode';
+import { commandRunner } from '../../commandRunner';
 import { DisposableObject } from '../../pure/disposable-object';
 import { DbManager } from '../db-manager';
 import { DbTreeDataProvider } from './db-tree-data-provider';
@@ -7,7 +8,7 @@ export class DbPanel extends DisposableObject {
   private readonly dataProvider: DbTreeDataProvider;
 
   public constructor(
-    dbManager: DbManager
+    private readonly dbManager: DbManager
   ) {
     super();
 
@@ -20,4 +21,19 @@ export class DbPanel extends DisposableObject {
 
     this.push(treeView);
   }
+
+  public async initialize(): Promise<void> {
+    this.push(
+      commandRunner(
+        'codeQLDatabasesExperimental.openConfigFile',
+        () => this.openConfigFile(),
+      )
+    );
+  }
+
+  private async openConfigFile(): Promise<void> {
+    const configPath = this.dbManager.getConfigPath();
+    const document = await vscode.workspace.openTextDocument(configPath);
+    await vscode.window.showTextDocument(document);
+  }
 }

extensions/ql-vscode/test/pure-tests/command-lint.test.ts

@@ -39,6 +39,7 @@ describe('commands declared in package.json', function() {
     }
     else if (
       command.match(/^codeQLDatabases\./)
+      || command.match(/^codeQLDatabasesExperimental\./)
       || command.match(/^codeQLQueryHistory\./)
       || command.match(/^codeQLAstViewer\./)
       || command.match(/^codeQLEvalLogViewer\./)