Add GET routes to book

routes/api.js

@@ -23,6 +23,16 @@ module.exports = function (app) {
     .get(function (req, res){
       //response will be array of book objects
       //json res format: [{"_id": bookid, "title": book_title, "commentcount": num_of_comments },...]
+
+      Book.find({},(err, doc) => {
+        if(err) console.log(err);
+        const result = doc.map(book => {
+          const {_id, title, comments} = book;
+          const commentcount = comments.length;
+          return {_id, title, commentcount}
+    })
+        res.status(200).json(result);        
+      })
     })
 
     .post(function (req, res){
@@ -50,6 +60,15 @@ module.exports = function (app) {
     .get(function (req, res){
       var bookid = req.params.id;
       //json res format: {"_id": bookid, "title": book_title, "comments": [comment,comment,...]}
+      Book.findById(bookid, '_id title comments', (err, doc) => {   
+        if(err) {
+          console.log(err);
+        }else if(!doc){
+          res.status(500).send('no book exists');
+        }else{
+          res.status(200).json(doc);
+        }
+      })
     })
 
     .post(function(req, res){

tests/2_functional-tests.js

@@ -10,6 +10,7 @@ var chaiHttp = require('chai-http');
 var chai = require('chai');
 var assert = chai.assert;
 var server = require('../server');
+var bookid = 0;
 
 chai.use(chaiHttp);
 
@@ -47,6 +48,7 @@ suite('Functional Tests', function() {
             title: 'This is my first book!'
           })
           .end(function(err, res) {
+            bookid = res.body._id;
             assert.equal(res.status, 200);
             assert.exists(res.body._id);
             assert.equal(res.body.title, 'This is my first book!');
@@ -74,22 +76,48 @@ suite('Functional Tests', function() {
     suite('GET /api/books => array of books', function(){
 
       test('Test GET /api/books',  function(done){
-        //done();
+        chai.request(server)
+        .get('/api/books')
+        .end(function(err, res){
+          assert.equal(res.status, 200);
+          assert.isArray(res.body, 'response should be an array');
+          assert.property(res.body[0], 'commentcount', 'Books in array should contain commentcount');
+          assert.property(res.body[0], 'title', 'Books in array should contain title');
+          assert.property(res.body[0], '_id', 'Books in array should contain _id');
+          assert.equal(res.body[0].title, 'This is my first book!')
+          assert.equal(res.body[0].commentcount, 0);
+          done();
+      });
       });      
-
     });
 
 
     suite('GET /api/books/[id] => book object with [id]', function(){
 
       test('Test GET /api/books/[id] with id not in db',  function(done){
-        //done();
+        chai.request(server)
+        .get('/api/books/B4Di6fjyh76f')
+        .end(function(err, res){
+          assert.equal(res.status, 500);
+          assert.equal(res.text, 'no book exists')
+          done();
+        });
       });
-      
+
       test('Test GET /api/books/[id] with valid id in db',  function(done){
-        //done();
+        chai.request(server)
+        .get(`/api/books/${bookid}`)
+        .end(function(err, res){
+          assert.equal(res.status, 200);
+          assert.property(res.body, 'comments', 'Books in array should contain commentcount');
+          assert.property(res.body, 'title', 'Books in array should contain title');
+          assert.property(res.body, '_id', 'Books in array should contain _id');
+          assert.equal(res.body.title, 'This is my first book!')
+          assert.isArray(res.body.comments);
+          assert.equal(res.body._id, bookid)
+          done();
       });
-      
+    });
     });
 
 
@@ -101,6 +129,6 @@ suite('Functional Tests', function() {
 
     });
 
-  });
+  });  
 
 });