ci(brigade.js): add issue comment handler (#45)

Author: vdice

brigade.js

@@ -55,6 +55,26 @@ function runTests(e, p) {
     return notificationWrap(build(e, p), note)
 }
 
+// handleIssueComment handles an issue_comment event, parsing the comment
+// text and determining whether or not to trigger a corresponding action
+function handleIssueComment(e, p) {
+    if (e.payload) {
+      payload = JSON.parse(e.payload);
+
+      // Extract the comment body and trim whitespace
+      comment = payload.body.comment.body.trim();
+
+      // Here we determine if a comment should provoke an action
+      switch(comment) {
+        case "/brig run":
+          return runTests(e, p);
+          break;
+        default:
+          console.log(`No applicable action found for comment: ${comment}`);
+      }
+    }
+  }
+
 // A GitHub Check Suite notification
 class Notification {
     constructor(name, e, p) {
@@ -78,7 +98,7 @@ class Notification {
     // Send a new notification, and return a Promise<result>.
     run() {
         this.count++
-        var j = new Job(`${this.name}-${this.count}`, "deis/brigade-github-check-run:latest");
+        var j = new Job(`${this.name}-${this.count}`, "brigadecore/brigade-github-check-run:v0.1.0");
         j.imageForcePull = true;
         j.env = {
             CHECK_CONCLUSION: this.conclusion,
@@ -130,3 +150,5 @@ events.on("exec", (e, p) => {
 events.on("check_suite:requested", runSuite)
 events.on("check_suite:rerequested", runSuite)
 events.on("check_run:rerequested", runSuite)
+events.on("issue_comment:created", handleIssueComment);
+events.on("issue_comment:edited", handleIssueComment);