chore(ci): added labeling and notification for published PRs; (#6059)

bin/RepoBot.js

@@ -0,0 +1,95 @@
+import GithubAPI from "./GithubAPI.js";
+import api from './api.js';
+import Handlebars from "handlebars";
+import fs from "fs/promises";
+import {colorize} from "./helpers/colorize.js";
+import {getReleaseInfo} from "./contributors.js";
+
+const normalizeTag = (tag) => tag.replace(/^v/, '');
+
+class RepoBot {
+  constructor(options) {
+    const {
+      owner, repo,
+      templates
+    } = options || {};
+
+    this.templates = Object.assign({
+      published: '../templates/pr_published.hbs'
+    }, templates);
+
+    this.github = api || new GithubAPI(owner, repo);
+
+    this.owner = this.github.owner;
+    this.repo = this.github.repo;
+  }
+
+  async addComment(targetId, message) {
+    return this.github.createComment(targetId, message);
+  }
+
+  async notifyPRPublished(id, tag) {
+    const pr = await this.github.getPR(id);
+
+    tag = normalizeTag(tag);
+
+    const {merged, labels, user: {login, type}} = pr;
+
+    const isBot = type === 'Bot';
+
+    if (!merged) {
+      return false
+    }
+
+    await this.github.appendLabels(id, ['v' + tag]);
+
+    if (isBot || labels.find(({name}) => name === 'automated pr') || (await this.github.isCollaborator(login))) {
+      return false;
+    }
+
+    const author = await this.github.getUser(login);
+
+    author.isBot = isBot;
+
+    const message = await this.constructor.renderTemplate(this.templates.published, {
+      id,
+      author,
+      release: {
+        tag,
+        url: `https://github.com/${this.owner}/${this.repo}/releases/tag/v${tag}`
+      }
+    });
+
+    return await this.addComment(id, message);
+  }
+
+  async notifyPublishedPRs(tag) {
+    const release = await getReleaseInfo(tag);
+
+    if (!release) {
+      throw Error(colorize()`Can't get release info for ${tag}`);
+    }
+
+    const {merges} = release;
+
+    console.log(colorize()`Found ${merges.length} PRs in ${tag}:`);
+
+    let i = 0;
+
+    for (const pr of merges) {
+      try {
+        console.log(colorize()`${i++}) Notify PR #${pr.id}`)
+        const result = await this.notifyPRPublished(pr.id, tag);
+        console.log(result ? 'OK' : 'Skipped');
+      } catch (err) {
+        console.warn(colorize('green', 'red')`  Failed notify PR ${pr.id}: ${err.message}`);
+      }
+    }
+  }
+
+  static async renderTemplate(template, data) {
+    return Handlebars.compile(String(await fs.readFile(template)))(data);
+  }
+}
+
+export default RepoBot;