Add new issue triager action with configurable assignees (#331)

Author: bhavyaus

triage/action.yml

@@ -0,0 +1,35 @@
+name: New Issue Triager
+description: Triage new issues to one of the assignees from the provided list
+inputs:
+  token:
+    description: 'GitHub token with issue, comment, and label read/write permissions'
+  app_id:
+    description: GitHub App ID
+    required: true
+  app_installation_id:
+    description: GitHub App Installation ID
+    required: true
+  app_private_key:
+    description: GitHub App Private Key
+    required: true
+  owner:
+    description: Repository owner
+    required: true
+  repo:
+    description: Repository name
+    required: true
+  issue_number:
+    description: Issue number
+    required: true
+  event:
+    description: Event name for a triggered action. Otherwise, this is obtained from the GitHub context.
+    required: true
+  action:
+    description: Action name for a triggered action. Otherwise, this is obtained from the GitHub context.
+    required: true
+  assignees:
+    description: Pipe-separated list of assignees to triage new issues to
+    required: true
+runs:
+  using: 'node20'
+  main: 'index.js'

triage/index.js

@@ -0,0 +1,65 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See LICENSE in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { OctoKitIssue } from '../api/octokit';
+import { VSCodeToolsAPIManager } from '../api/vscodeTools';
+import { Action } from '../common/Action';
+import { getRequiredInput, safeLog } from '../common/utils';
+
+class IssueTriageAction extends Action {
+	id = 'IssueTriageAction';
+
+	private async triage(issue: OctoKitIssue) {
+		try {
+			const githubIssue = await issue.getIssue();
+
+			// check to see that issue is not already assigned and that it does not have the triage-needed label
+			if (githubIssue.assignees.length > 0 || githubIssue.labels.length > 0) {
+				return;
+			}
+
+			await issue.addLabel('triage-needed');
+			const assignees: string[] = getRequiredInput('assignees').split('|');
+
+			if (assignees.length === 0) {
+				safeLog('No assignees provided');
+				return;
+			}
+
+			const vscodeToolsAPI = new VSCodeToolsAPIManager();
+			const triagers = await vscodeToolsAPI.getTriagerGitHubIds();
+
+			if (triagers.length === 0) {
+				safeLog('No available triagers found');
+				return;
+			}
+
+			const available = assignees.filter((assignee) => triagers.includes(assignee));
+			if (available) {
+				// Shuffle the array
+				for (let i = available.length - 1; i > 0; i--) {
+					const j = Math.floor(Math.random() * (i + 1));
+					[available[i], available[j]] = [available[j], available[i]];
+				}
+
+				const randomSelection = available[0];
+				safeLog('assigning', randomSelection);
+				await issue.addAssignee(randomSelection);
+			} else {
+				safeLog('No available triagers');
+			}
+		} catch (e) {
+			safeLog('Error assigning random triager', (e as any).message);
+		}
+	}
+
+	protected override async onOpened(issue: OctoKitIssue): Promise<void> {
+		// wait 30 seconds before triaging
+		await new Promise((resolve) => setTimeout(resolve, 30000));
+		await this.triage(issue);
+	}
+}
+
+new IssueTriageAction().run(); // eslint-disable-line