feature: Add support for selecting problem of today.

package.json

@@ -32,6 +32,7 @@
  "onCommand:leetcode.manageSessions",
  "onCommand:leetcode.refreshExplorer",
  "onCommand:leetcode.pickOne",
+ "onCommand:leetcode.problemOfToday",
  "onCommand:leetcode.showProblem",
  "onCommand:leetcode.previewProblem",
  "onCommand:leetcode.searchProblem",
@@ -81,6 +82,12 @@
  "title": "Pick One",
  "category": "LeetCode"
  },
+ {
+ "command": "leetcode.problemOfToday",
+ "title": "Problem Of Today",
+ "category": "LeetCode",
+ "icon": "$(calendar)"
+ },
  {
  "command": "leetcode.showProblem",
  "title": "Show Problem",
@@ -175,6 +182,11 @@
  "when": "view == leetCodeExplorer",
  "group": "navigation@3"
  },
+ {
+ "command": "leetcode.problemOfToday",
+ "when": "view == leetCodeExplorer",
+ "group": "navigation@4"
+ },
  {
  "command": "leetcode.pickOne",
  "when": "view == leetCodeExplorer",

src/commands/show.ts

@@ -52,6 +52,33 @@ export async function pickOne(): Promise<void> {
  await showProblemInternal(randomProblem);
 }
 
+export async function problemOfToday(): Promise<void> {
+ if (!leetCodeManager.getUser()) {
+ promptForSignIn();
+ return;
+ }
+ try {
+ const nodes: LeetCodeNode[] = explorerNodeManager.getAllNodes()
+ const problemOfTodayStr: string = await leetCodeExecutor.problemOfToday();
+ const lines: string[] = problemOfTodayStr.split("\n");
+ const reg: RegExp = /^\[(.+)\]\s.*/
+ const match: RegExpMatchArray | null = lines[0].match(reg);
+ if (match != null) {
+ const id = match[1]
+ const problemOfToday: IProblem[] = nodes.filter(one => one.id === id);
+ if (problemOfToday.length != 1) {
+ await promptForOpenOutputChannel("Fail to load problem of today. You may need to refresh the problem list.", DialogType.error);
+ }
+ else {
+ await showProblemInternal(problemOfToday[0]);
+ }
+ }
+ }
+ catch {
+ await promptForOpenOutputChannel("Fail to load problem of today. Open the output channel for details.", DialogType.error);
+ }
+}
+
 export async function showProblem(node?: LeetCodeNode): Promise<void> {
  if (!node) {
  return;

src/extension.ts

@@ -56,6 +56,7 @@ export async function activate(context: vscode.ExtensionContext): Promise<void>
  vscode.commands.registerCommand("leetcode.previewProblem", (node: LeetCodeNode) => show.previewProblem(node)),
  vscode.commands.registerCommand("leetcode.showProblem", (node: LeetCodeNode) => show.showProblem(node)),
  vscode.commands.registerCommand("leetcode.pickOne", () => show.pickOne()),
+ vscode.commands.registerCommand("leetcode.problemOfToday", () => show.problemOfToday()),
  vscode.commands.registerCommand("leetcode.searchProblem", () => show.searchProblem()),
  vscode.commands.registerCommand("leetcode.showSolution", (input: LeetCodeNode | vscode.Uri) => show.showSolution(input)),
  vscode.commands.registerCommand("leetcode.refreshExplorer", () => leetCodeTreeDataProvider.refresh()),

src/leetCodeExecutor.ts

@@ -100,6 +100,11 @@ class LeetCodeExecutor implements Disposable {
  return await this.executeCommandEx(this.nodeExecutable, cmd);
  }
 
+ public async problemOfToday(): Promise<string> {
+ const cmd: string[] = [await this.getLeetCodeBinaryPath(), "show", "-d"];
+ return await this.executeCommandWithProgressEx("Loading problem of today...", this.nodeExecutable, cmd);
+ }
+
  public async showProblem(problemNode: IProblem, language: string, filePath: string, showDescriptionInComment: boolean = false, needTranslation: boolean): Promise<void> {
  const templateType: string = showDescriptionInComment ? "-cx" : "-c";
  const cmd: string[] = [await this.getLeetCodeBinaryPath(), "show", problemNode.id, templateType, "-l", language];