can show problem

Author: jdneo

README.md

@@ -1,50 +1,15 @@
 # leetcode README
 
-This is the README for your extension "leetcode". After writing up a brief description, we recommend including the following sections.
-
 ## Features
 
-Describe specific features of your extension including screenshots of your extension in action. Image paths are relative to this README file.
-
-For example if there is an image subfolder under your extension project workspace:
-
-\!\[feature X\]\(images/feature-x.png\)
-
-> Tip: Many popular extensions utilize animations. This is an excellent way to show off your extension! We recommend short, focused animations that are easy to follow.
 
 ## Requirements
 
-If you have any requirements or dependencies, add a section describing those and how to install and configure them.
 
 ## Extension Settings
 
-Include if your extension adds any VS Code settings through the `contributes.configuration` extension point.
-
-For example:
-
-This extension contributes the following settings:
-
-* `myExtension.enable`: enable/disable this extension
-* `myExtension.thing`: set to `blah` to do something
 
 ## Known Issues
 
-Calling out known issues can help limit users opening duplicate issues against your extension.
 
 ## Release Notes
-
-Users appreciate release notes as you update your extension.
-
-### 1.0.0
-
-Initial release of ...
-
-### 1.0.1
-
-Fixed issue #.
-
-### 1.1.0
-
-Added features X, Y, and Z.
-
------------------------------------------------------------------------------------------------------------

package.json

@@ -33,6 +33,11 @@
                 "command": "leetcode.selectSessions",
                 "title": "Select session",
                 "category": "LeetCode"
+            },
+            {
+                "command": "leetcode.showProblem",
+                "title": "Solve problem",
+                "category": "LeetCode"
             }
         ],
         "views": {
@@ -42,6 +47,16 @@
                     "name": "LeetCode"
                 }
             ]
+        },
+        "menus": {
+            "view/title": [],
+            "view/item/context": [
+                {
+                    "command": "leetcode.showProblem",
+                    "when": "view == leetCodeExplorer && viewItem == problem",
+                    "group": "1@1"
+                }
+            ]
         }
     },
     "scripts": {

src/commands/show.ts

@@ -0,0 +1,34 @@
+"use strict";
+
+import * as vscode from "vscode";
+import { LeetCodeNode } from "../leetCodeExplorer"
+import { selectWorkspaceFolder } from "../utils/workspaceUtils";
+import { languages, leetCodeBinaryPath } from "../shared";
+import { executeCommand } from "../utils/cpUtils";
+import { DialogType, promptForOpenOutputChannel } from "../utils/uiUtils";
+
+export async function showProblem(node?: LeetCodeNode): Promise<void> {
+    let id: string;
+    if (!node) {
+        return;
+    } else {
+        id = node.id;
+    }
+    try {
+        const language: string | undefined = await vscode.window.showQuickPick(languages, { placeHolder: "Select the language you want to use" });
+        if (!language) {
+            return;
+        }
+        const outdir: string = await selectWorkspaceFolder();
+        const result: string = await executeCommand("node", [leetCodeBinaryPath, "show", id, "-gx", "-l", language, "-o", outdir]);
+        const reg: RegExp = /\* Source Code:\s*(.*)/;
+        const match: RegExpMatchArray | null = result.match(reg);
+        if (match && match.length >= 2) {
+            await vscode.window.showTextDocument(vscode.Uri.file(match[1].trim()));
+        } else {
+            throw new Error("Failed to fetch the problem information");
+        }
+    } catch (error) {
+        await promptForOpenOutputChannel("Failed to fetch the problem information. Please open the output channel for details", DialogType.error);
+    }
+}

src/extension.ts

@@ -2,8 +2,9 @@
 
 import * as vscode from "vscode";
 import * as session from "./commands/session";
+import * as show from "./commands/show";
 import { leetcodeChannel } from "./leetCodeChannel";
-import { LeetCodeTreeDataProvider } from "./leetCodeExplorer";
+import { LeetCodeTreeDataProvider, LeetCodeNode } from "./leetCodeExplorer";
 import { leetCodeManager } from "./leetCodeManager";
 import { leetCodeStatusBarItem } from "./leetCodeStatusBarItem";
 
@@ -15,6 +16,7 @@ export function activate(context: vscode.ExtensionContext) {
         vscode.commands.registerCommand("leetcode.signin", () => leetCodeManager.signIn()),
         vscode.commands.registerCommand("leetcode.signout", () => leetCodeManager.signOut()),
         vscode.commands.registerCommand("leetcode.selectSessions", () => session.selectSession()),
+        vscode.commands.registerCommand("leetcode.showProblem", (node?: LeetCodeNode) => show.showProblem(node)),
     );
     leetCodeManager.on("statusChanged", () => {
         leetCodeStatusBarItem.updateStatusBar(leetCodeManager.getStatus(), leetCodeManager.getUser());

src/leetCodeStatusBarItem.ts

@@ -1,7 +1,6 @@
 "use strict";
 
 import * as vscode from "vscode";
-import { leetCodeManager } from "./leetCodeManager";
 import { UserStatus } from "./shared";
 
 export interface ILeetCodeStatusBarItem {

src/shared.ts

@@ -13,3 +13,20 @@ export enum UserStatus {
     SignedIn = 1,
     SignedOut = 2,
 }
+
+export const languages = [
+    "bash",
+    "c",
+    "cpp",
+    "csharp",
+    "golang",
+    "java",
+    "javascript",
+    "kotlin",
+    "mysql",
+    "python",
+    "python3",
+    "ruby",
+    "scala",
+    "swift"
+];

src/utils/workspaceUtils.ts

@@ -0,0 +1,18 @@
+"use strict";
+
+import * as vscode from "vscode"
+import * as os from "os";
+
+export async function selectWorkspaceFolder(): Promise<string> {
+    let folder: vscode.WorkspaceFolder | undefined;
+    if (vscode.workspace.workspaceFolders && vscode.workspace.workspaceFolders.length > 0) {
+        if (vscode.workspace.workspaceFolders.length > 1) {
+            folder = await vscode.window.showWorkspaceFolderPick({
+                placeHolder: "Select the working directory you wish to use",
+            });
+        } else {
+            folder = vscode.workspace.workspaceFolders[0];
+        }
+    }
+    return folder ? folder.uri.fsPath : os.tmpdir();
+}