Cyberleague: [premieroctet#114] Add action next_question

backend/web/server/plugins/cyberleague/actions.js

@@ -0,0 +1,20 @@
+const { addAction } = require('../../utils/studio/actions')
+const Score = require("../../models/Score")
+const lodash = require('lodash')
+const { idEqual } = require('../../utils/database')
+const { NotFoundError } = require('../../utils/errors')
+const { createScore } = require('./score')
+
+//value : _id of the answered question
+const nextQuestion = async ({ value }, user) => {
+  const score = await Score.findOne({answers: value}).populate('answers')
+  const nextQuestionIndex = lodash.findIndex(score.answers, (a)=> idEqual(a._id, value)) + 1
+  if (nextQuestionIndex == score.answers.length) {
+    throw new NotFoundError(`Question ${value} is the last of the quiz`)
+  }
+  console.log('next Question', score.answers[nextQuestionIndex]);
+
+  return score.answers[nextQuestionIndex]
+}
+//TODO rename action to next_question
+addAction('smartdiet_next_question', nextQuestion)