Add workflow to label community contributors (#8995)

* Add workflow to label community contributors

* Add action dependencies to package.json

Author: roykho

.github/workflows/community-contributor.yml

@@ -0,0 +1,36 @@
+name: Add Community Label
+
+on:
+    pull_request_target:
+        types: [opened]
+    issues:
+        types: [opened]
+
+concurrency:
+    group: ${{ github.workflow }}-${{ github.ref }}
+    cancel-in-progress: true
+
+permissions: {}
+
+jobs:
+    verify:
+        name: Verify and add label
+        runs-on: ubuntu-20.04
+        permissions:
+            contents: read
+            pull-requests: write
+            issues: write
+        steps:
+            - uses: actions/checkout@v3
+
+            - name: Setup Node.js
+              uses: actions/setup-node@64ed1c7eab4cce3362f8c340dee64e5eaeef8f7c
+
+            - name: npm install
+              run: npm install -D
+
+            - name: Check if user is a community contributor
+              id: check
+              run: node .github/workflows/scripts/is-community-contributor.js
+              env:
+                  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/scripts/is-community-contributor.js

@@ -0,0 +1,63 @@
+// Note you'll need to install these dependencies as part of your workflow.
+const { Octokit } = require( '@octokit/action' );
+const core = require( '@actions/core' );
+
+// Note that this script assumes you set GITHUB_TOKEN in env, if you don't
+// this won't work.
+const octokit = new Octokit();
+
+const getIssueAuthor = ( payload ) => {
+	return (
+		payload?.issue?.user?.login ||
+		payload?.pull_request?.user?.login ||
+		null
+	);
+};
+
+const isCommunityContributor = async ( owner, repo, username ) => {
+	if ( username ) {
+		const {
+			data: { permission },
+		} = await octokit.rest.repos.getCollaboratorPermissionLevel( {
+			owner,
+			repo,
+			username,
+		} );
+
+		return permission === 'read' || permission === 'none';
+	}
+
+	console.log( 'Not a community contributor!' );
+	return false;
+};
+
+const addLabel = async ( label, owner, repo, issueNumber ) => {
+	await octokit.rest.issues.addLabels( {
+		owner,
+		repo,
+		issue_number: issueNumber,
+		labels: [ label ],
+	} );
+};
+
+const applyLabelToCommunityContributor = async () => {
+	const eventPayload = require( process.env.GITHUB_EVENT_PATH );
+	const username = getIssueAuthor( eventPayload );
+	const [ owner, repo ] = process.env.GITHUB_REPOSITORY.split( '/' );
+	const { number } = eventPayload?.issue || eventPayload?.pull_request;
+
+	const isCommunityUser = await isCommunityContributor(
+		owner,
+		repo,
+		username
+	);
+
+	core.setOutput( 'is-community', isCommunityUser ? 'yes' : 'no' );
+
+	if ( isCommunityUser ) {
+		console.log( 'Adding community contributor label' );
+		await addLabel( 'type: community contribution', owner, repo, number );
+	}
+};
+
+applyLabelToCommunityContributor();