Add command for opening InterSystems documents

package.json

@@ -338,6 +338,10 @@
         {
           "command": "vscode-objectscript.compileIsfs",
           "when": "false"
+        },
+        {
+          "command": "vscode-objectscript.openISCDocument",
+          "when": "vscode-objectscript.connectActive && workspaceFolderCount != 0"
         }
       ],
       "view/title": [
@@ -1179,6 +1183,11 @@
         "category": "ObjectScript",
         "command": "vscode-objectscript.compileIsfs",
         "title": "Compile"
+      },
+      {
+        "category": "ObjectScript",
+        "command": "vscode-objectscript.openISCDocument",
+        "title": "Open InterSystems Document..."
       }
     ],
     "keybindings": [

src/api/index.ts

@@ -314,7 +314,7 @@ export class AtelierAPI {
     const target = `${username}@${host}:${port}`;
     let auth: Promise<any>;
     let authRequest = authRequestMap.get(target);
-    if (cookies.length || method === "HEAD") {
+    if (cookies.length || (method === "HEAD" && !originalPath)) {
       auth = Promise.resolve(cookies);
 
       // Only send basic authorization if username and password specified (including blank, for unauthenticated access)
@@ -367,8 +367,16 @@ export class AtelierAPI {
       }
       await this.updateCookies(response.headers.raw()["set-cookie"] || []);
       if (method === "HEAD") {
-        authRequestMap.delete(target);
-        return this.cookies;
+        if (!originalPath) {
+          authRequestMap.delete(target);
+          return this.cookies;
+        } else if (response.status >= 400) {
+          // The HEAD /doc request errored out
+          throw { statusCode: response.status, message: response.statusText, errorText: "" };
+        } else {
+          // The HEAD /doc request succeeded
+          return response.headers.get("ETAG");
+        }
       }
 
       // Not Modified
@@ -492,6 +500,11 @@ export class AtelierAPI {
     });
   }
 
+  // api v1+
+  public headDoc(name: string): Promise<string> {
+    return this.request(1, "HEAD", `${this.ns}/doc/${name}`);
+  }
+
   // api v1+
   public getDoc(name: string, format?: string, mtime?: number): Promise<Atelier.Response<Atelier.Document>> {
     let params = {};

src/extension.ts

@@ -139,6 +139,7 @@ import { RESTDebugPanel } from "./commands/restDebugPanel";
 import { modifyWsFolder } from "./commands/addServerNamespaceToWorkspace";
 import { WebSocketTerminalProfileProvider, launchWebSocketTerminal } from "./commands/webSocketTerminal";
 import { setUpTestController } from "./commands/unitTest";
+import { pickDocument } from "./utils/documentPicker";
 
 const packageJson = vscode.extensions.getExtension(extensionId).packageJSON;
 const extensionVersion = packageJson.version;
@@ -1405,6 +1406,31 @@ export async function activate(context: vscode.ExtensionContext): Promise<any> {
       }
     ),
     vscode.commands.registerCommand("vscode-objectscript.compileIsfs", (uri) => fileSystemProvider.compile(uri)),
+    vscode.commands.registerCommand("vscode-objectscript.openISCDocument", async () => {
+      const workspaceFolders = vscode.workspace.workspaceFolders || [];
+      let wsFolder: vscode.WorkspaceFolder;
+      if (workspaceFolders.length == 1) {
+        // Use the current connection
+        wsFolder = workspaceFolders[0];
+      } else if (workspaceFolders.length > 1) {
+        // Pick from the workspace folders
+        wsFolder = await vscode.window.showWorkspaceFolderPick();
+      }
+      if (!wsFolder) return;
+      const api = new AtelierAPI(wsFolder.uri);
+      if (!api.active) {
+        vscode.window.showErrorMessage(
+          "'Open InterSystems Document...' command requires an active server connection.",
+          "Dismiss"
+        );
+        return;
+      }
+      const doc = await pickDocument(api, "to open");
+      if (!doc) return;
+      vscode.window.showTextDocument(
+        DocumentContentProvider.getUri(doc, undefined, undefined, undefined, wsFolder.uri)
+      );
+    }),
     ...setUpTestController(),
 
     /* Anything we use from the VS Code proposed API */