Github Actions: Issue Assigned Check (#93)

* ignore editor folder

* move check issue labels to oppiabot

* build actions

* split up the pr

* create actions build test file and setup ci for it

* modify CI config

* update dist

* setup hooks

* testing hooks

* testing hooks

* build only when actions file changes

* testing hooks

* remove test comment

* modify lint-staged

* another test

* another test

* still testing

* final testing

* remove actions build test from ci

* address review comments

* address review comments

* initial work here

* create check

* more on this

* add tests

* fixed bug

* remove unneeded file

* address review comments

* address review comments

* address review comments

action.yml

@@ -9,6 +9,12 @@ inputs:
   repo-token: # Repository token.
     description: 'The repository token needed to create comments.'
     required: true
+  google-api-key:
+    description: 'API credential for accessing google apis.'
+    required: true
+  cla-sheet-id:
+    description: 'ID for the CLA spreadsheet.'
+    required: true
 
 runs:
   using: "node12"

actions/src/dispatcher.js

@@ -19,14 +19,9 @@
 const core = require('@actions/core');
 const { context } = require('@actions/github');
 const issueLabelsModule = require('./issues/checkIssueLabels');
+const checkIssueAssigneeModule = require('./issues/checkIssueAssignee');
 const constants = require('../../constants');
 
-const EVENTS = {
-  ISSUES: 'issues',
-};
-const ACTIONS = {
-  LABELLED: 'labeled'
-};
 module.exports = {
   async dispatch(event, action) {
     core.info(`Received Event:${event} Action:${action}.`);
@@ -42,6 +37,9 @@ module.exports = {
             case constants.issuesLabelCheck:
               await issueLabelsModule.checkLabels();
               break;
+            case constants.issuesAssignedCheck:
+              await checkIssueAssigneeModule.checkAssignees();
+              break;
           }
         }
       }

actions/src/issues/checkIssueAssignee.js

@@ -0,0 +1,89 @@
+// Copyright 2020 The Oppia Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS-IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+/**
+ * @fileoverview Handler to check issue assigned event.
+ */
+
+const core = require('@actions/core');
+const { context, GitHub } = require('@actions/github');
+const { google } = require('googleapis');
+
+const checkAssignees = async () => {
+  core.info('A USER GOT ASSIGNED TO AN ISSUE...');
+  const token = core.getInput('repo-token');
+  const octokit = new GitHub(token);
+  const assignee = context.payload.assignee;
+  const issue = context.payload.issue;
+  const linkToCla = 'here'.link(
+    'https://github.com/oppia/oppia/wiki/Contributing-code-to-Oppia#setting-things-up');
+
+  // Catch and log any error that will occur while accessing google sheets api.
+  try {
+    core.info('Checking if ' + assignee.login + ' has signed the CLA');
+    const assigneeHasSignedCla = await hasSignedCla(assignee.login);
+    if (!assigneeHasSignedCla) {
+      core.info(assignee.login + ' has not signed the CLA');
+
+      const commentBody = 'Hi @' + assignee.login + ', you need to sign the ' +
+        'CLA before you can get assigned to issues. Follow the instructions ' +
+        linkToCla + ' to get started. Thanks!';
+
+      await octokit.issues.createComment({
+        issue_number: issue.number,
+        repo: context.repo.repo,
+        owner: context.repo.owner,
+        body: commentBody,
+      });
+
+      await octokit.issues.removeAssignees({
+        issue_number: issue.number,
+        repo: context.repo.repo,
+        owner: context.repo.owner,
+        assignees: [assignee.login],
+      });
+    }
+  } catch (error) {
+    core.setFailed(error);
+  }
+
+};
+
+/**
+ * Checks that a user has signed the CLA.
+ *
+ * @param {String} username - Username of the user that added the label.
+ * @param {import('@actions/github').GitHub} octokit
+ */
+const hasSignedCla = async (username) => {
+  const GOOGLE_API_KEY = core.getInput('google-api-key');
+  const CLA_SHEET_ID = core.getInput('cla-sheet-id');
+
+  const sheets = google.sheets('v4');
+  const rows = await sheets.spreadsheets.values.get({
+    auth: GOOGLE_API_KEY,
+    spreadsheetId: CLA_SHEET_ID,
+    range: 'Usernames!A:A',
+  });
+
+  const hasUserSignedCla = rows.data.values.some(row => {
+    return row[0].toLowerCase() === username.toLowerCase();
+  });
+
+  return hasUserSignedCla;
+};
+
+module.exports = {
+  checkAssignees,
+};