feat: fetch data for prs that need retest

src/index.mjs

@@ -1,3 +1,63 @@
-export default function() {
-  // es6 module code goes here
+import dotenv from 'dotenv';
+import createRepo from './lib/create_repo.mjs';
+import getComments from './lib/get_comments.mjs';
+import getPull from './lib/get_pull.mjs';
+import getCommits from './lib/get_commits.mjs';
+import getCommitStatus from './lib/get_commit_status.mjs';
+import History from './lib/history.mjs';
+
+// load env vars from .env file
+dotenv.config();
+
+export default async function() {
+  // parse repo name from cli and create repo instance
+  const repo = createRepo(process.argv.splice(2)[0]);
+  const { COMMENT_BODY_REGEXP, COMMENT_BODY_REGEXP_FLAGS, COMMENT_ACTOR } = process.env;
+
+  // load the history module
+  const history = new History();
+
+  // fetch comment info from event stream, filter for only new comments
+  const comments = (await getComments(repo, {
+    body: new RegExp(COMMENT_BODY_REGEXP, COMMENT_BODY_REGEXP_FLAGS),
+    actor: COMMENT_ACTOR,
+  })).filter(comment => !history.get(comment.id));
+
+  // read pull data, filter out any closed pulls
+  const pulls = (await Promise.all(
+    comments.map(async comment => {
+      const pull = await getPull(repo, comment.number);
+      if (pull.state !== 'open') return false;
+      return { comment, pull };
+    })
+  )).filter(Boolean);
+
+  const records = (await Promise.all(
+    pulls.map(async ({ pull, comment }) => {
+      const commit = await getCommits(repo, pull.number, true);
+      const buildStatus = await getCommitStatus(repo, commit.sha);
+      // do nothing if the build has not started, or is pending or successful
+      if (!buildStatus || buildStatus.state === 'pending' || buildStatus.state === 'success')
+        return false;
+      return { comment, pull, commit, buildStatus };
+    })
+  )).filter(Boolean);
+
+  console.log(records);
+  process.exit();
+
+  /*
+
+  TODO:
+
+  - [x] keep track of seen comment ids, only process new ones
+  - [x] check the pr's status and only retest if no longer "Pending"
+  - [ ] add a retest comment
+    - POST /repos/:owner/:repo/issues/:number/comments
+  - [ ] delete the build comment
+    - DELETE /repos/:owner/:repo/issues/comments/:comment_id
+  - [ ] delete ALL build failure comments
+  - [ ] delete the retest comment
+
+  */
 }