something

src/config.js

@@ -1,6 +1,6 @@
 module.exports = {
   secret: 'thisisthebiggestsecretyouhaveeverknowninyourwholelife',
   scoreIncrementor: 10,
-  scoreDecrementor: 5,
+  scoreDecrementor: 0,
   saltRounds: 10,
 }

src/models/createSampleModels.js

@@ -6,15 +6,15 @@ module.exports = function () {
   models.sequelize.sync().then(function () {
     return models.User.bulkCreate([
       { email: '[email protected]', password: bcrypt.hashSync('password', config.saltRounds), name: 'Megh'},
-      { email: '[email protected]', password: bcrypt.hashSync('password', config.saltRounds), name: 'Megh2'}
+      { email: '[email protected]', password: bcrypt.hashSync('password', config.saltRounds), name: 'Megh2'},
     ], { ignoreDuplicates: true })
   }).then(function () {
     return models.Question.bulkCreate([
-      { qno: 1, title: 'Q1 title', body: 'Question body 1', answer: 1 },
-      { qno: 3, title: 'Q3 title', body: 'Question body 3', answer: 3 },
-      { qno: 2, title: 'Q2 title', body: 'Question body 2', answer: 2 },
-      { qno: 4, title: 'Q4 title', body: 'Question body 4', answer: 4 },
-      { qno: 5, title: 'Q5 title', body: 'Question body 5', answer: 5 },
+      { qno: 1, title: 'Q1 title', body: 'Question body 1', answer: 1,unlock_points:0 },
+      { qno: 2, title: 'Q2 title', body: 'Question body 2', answer: 2,unlock_points:10 },
+      { qno: 3, title: 'Q3 title', body: 'Question body 3', answer: 3,unlock_points:20 },
+      { qno: 4, title: 'Q4 title', body: 'Question body 4', answer: 4,unlock_points:20 },
+      { qno: 5, title: 'Q5 title', body: 'Question body 5', answer: 5,unlock_points:30 },
     ], { ignoreDuplicates: true })
   })
 }

src/models/index.js

@@ -2,4 +2,5 @@ module.exports = {
   sequelize: require('./dbconfig'),
   User: require('./user'),
   Question: require('./question'),
+  Mapping: require('./mapping'),
 }

src/models/mapping.js

@@ -0,0 +1,23 @@
+var Sequelize = require('sequelize');
+var sequelize = require('./dbconfig');
+
+var Mapping = sequelize.define('mapping', {
+  qno: {
+    type: Sequelize.INTEGER,
+    allowNull: false,
+    validate: {
+      notEmpty: true,
+      isInt: true,
+    }
+  },
+  uid: {
+    type: Sequelize.INTEGER,
+    allowNull: false,
+    validate: {
+      isInt: true,
+      notEmpty: true,
+    }
+  },
+});
+
+module.exports = Mapping;

src/models/question.js

@@ -1,6 +1,5 @@
 var Sequelize = require('sequelize');
 var sequelize = require('./dbconfig');
-
 var Question = sequelize.define('question', {
   qno: {
     type: Sequelize.INTEGER,
@@ -32,7 +31,15 @@ var Question = sequelize.define('question', {
     validate: {
       notEmpty: true,
     }
+  },
+  unlock_points: {
+    type: Sequelize.INTEGER,
+    allowNull: false,
+    validate: {
+      notEmpty: true,
+      isInt: true,
+    }
   }
 });
 
-module.exports = Question
+module.exports = Question;

src/question.js

@@ -4,36 +4,48 @@ var middleware = require('./middleware');
 var config = require('./config');
 
 router.get('/:qno(\\d+)?', middleware.isAuthenticated, (req, res) => {
-  var { qno } = req.params;
-  const { lastQuestionAllowed } = req.user;
+  var qno  = req.params.qno;
+  var score  = req.user.score;
+  var lastQuestionAllowed =req.user.lastQuestionAllowed;
   if (!qno) qno = lastQuestionAllowed;
-  if (qno > lastQuestionAllowed) {res.sendStatus(403); return false;}
   models.Question.findOne({
     where : { qno },
     attributes: {exclude: ['answer']}
   }).then(question => {
-    if (question) res.send(question);
-    else res.sendStatus(400);
+    if (question){
+      if ( question.unlock_points > score)
+        {res.status(403).send({points:question.unlock_points});return false;}
+      else res.send(question);
+    }
+    else {
+      res.sendStatus(400);
+    }
   })
 });
 
 router.post('/check/:qno(\\d+)?', middleware.isAuthenticated, (req, res) => {
-  var { qno } = req.params;
-  const { answer } = req.body;
-  const { lastQuestionAllowed } = req.user;
-  const { score } = req.user;
+  var qno  = req.params.qno;
+  const uid = req.user.id;
+  const answer  = req.body.answer;
+  const lastQuestionAllowed  = req.user.lastQuestionAllowed;
+  const score = req.user.score;
   if (!qno) qno = lastQuestionAllowed;
-  if (qno > lastQuestionAllowed) {res.sendStatus(403); return false;}
   models.Question.findOne({where : { qno }})
-    .then(question => {
-      if (question) {
-        if (question.answer == answer && qno ==lastQuestionAllowed)
-          req.user.update({ score: score + config.scoreIncrementor, lastQuestionAllowed: lastQuestionAllowed + 1 });
-        else if (question.answer != answer && qno == lastQuestionAllowed)
-          req.user.update({ score: score - config.scoreDecrementor });
-        res.send({result: question.answer == answer});
-      } else res.sendStatus(400);
-    })
+  .then(question => {
+    if (question) {
+      models.Mapping.findOne({where: {qno:qno,uid:uid}}).then(mapping => {
+        if(!mapping){
+          if (question.answer == answer && question.unlock_points <= score){
+            req.user.update({ score: score + config.scoreIncrementor, lastQuestionAllowed: lastQuestionAllowed + 1 });
+            models.Mapping.create({qno,uid});
+          }
+          else if (question.answer != answer && question.unlock_points <= score)
+            req.user.update({ score: score - config.scoreDecrementor });
+        }
+      })
+      res.send({result: question.answer == answer});
+    } else res.sendStatus(400);
+  })
 })
 
 module.exports = router;