FIX #14 Multiple random messages

Author: nMustaki

index.js

@@ -1,10 +1,5 @@
-const defaultConfig = {
-  requestInfoReplyComment: 'The maintainers of this repository would appreciate it if you could provide more information.',
-  requestInfoOn: {
-    issue: true,
-    pullRequest: true
-  }
-}
+const getComment = require('./lib/getComment')
+const defaultConfig = require('./lib/defaultConfig')
 
 module.exports = robot => {
   robot.on('pull_request.opened', receive)
@@ -35,7 +30,8 @@ module.exports = robot => {
         }
       }
       if (!body || badTitle) {
-        context.github.issues.createComment(context.issue({body: config.requestInfoReplyComment || defaultConfig.requestInfoReplyComment}))
+        const comment = getComment(config.requestInfoReplyComment, defaultConfig.requestInfoReplyComment)
+        context.github.issues.createComment(context.issue({body: comment}))
 
         if (config.requestInfoLabelToAdd) {
           // Add label if there is one listed in the yaml file

lib/defaultConfig.js

@@ -0,0 +1,9 @@
+const defaultConfig = {
+  requestInfoReplyComment: 'The maintainers of this repository would appreciate it if you could provide more information.',
+  requestInfoOn: {
+    issue: true,
+    pullRequest: true
+  }
+}
+
+module.exports = defaultConfig

lib/getComment.js

@@ -0,0 +1,25 @@
+module.exports = getComment
+
+function getComment (comment, defaultComment) {
+  // comment can be either a string or an array
+
+  if (!comment) {
+    comment = defaultComment
+  }
+
+  if (typeof comment === 'string' || comment instanceof String) {
+    return comment
+  } else {
+    const pos = getRandomInt(0, comment.length)
+    return comment[pos] || defaultComment
+  }
+}
+
+function getRandomInt (min, max) {
+  // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/random
+  // The maximum is exclusive and the minimum is inclusive
+
+  min = Math.ceil(min)
+  max = Math.floor(max)
+  return Math.floor(Math.random() * (max - min)) + min
+}