BE #4 Basic article schema, create new and get last 10

Author: tito433

app.js

@@ -6,6 +6,7 @@ var mongoose=require('mongoose');
 //custom modules
 var indexRouter = require('./routes/index');
 var usersRouter = require('./routes/users');
+var articleRouter = require('./routes/article');
 
 //connect to database
 var connect = mongoose.connect(process.env.DB_URL,{
@@ -30,5 +31,6 @@ app.use(express.urlencoded({ extended: false }));
 //routes
 app.use('/', indexRouter);
 app.use('/users', usersRouter);
+app.use('/article', articleRouter);
 
 module.exports = app;

models/article.js

@@ -0,0 +1,26 @@
+var mongoose=require('mongoose');
+var Schema=mongoose.Schema;
+
+
+var articleSchema = new Schema({
+    title:{
+        type:String,
+        require:true
+    },
+    url:{
+        type:String,
+        require:true
+    },
+    body:[String]
+    /* un-comment after #1 is added to development 
+    author: {
+        type: mongoose.Schema.Types.ObjectId,
+        ref: 'User',
+        required: true,
+    } */
+}, {
+    timestamps: true
+});
+
+var Article=mongoose.model('Article',articleSchema);
+module.exports=Article;

package-lock.json

@@ -7,12 +7,14 @@
     "test": "jest --detectOpenHandles --forceExit"
   },
   "dependencies": {
+    "body-parser": "^1.19.0",
     "debug": "2.6.9",
     "dotenv": "^8.2.0",
     "express": "4.16.1",
     "mongodb": "^3.5.7",
     "mongoose": "^5.9.14",
-    "morgan": "1.9.1"
+    "morgan": "1.9.1",
+    "slugify": "^1.4.0"
   },
   "devDependencies": {
     "jest": "^26.0.1",

package.json

@@ -0,0 +1,74 @@
+var debug = require('debug')
+var express = require('express');
+var bodyParser = require('body-parser');
+var slugify = require('slugify')
+
+
+var Article = require('../models/article');
+
+var router = express.Router();
+router.use(bodyParser.json());
+
+var createUniqueUrl = (title, callBack, counter = 0) => {
+    var url = slugify(title, {
+        lower: true,      // convert to lower case
+        strict: true,     // strip special characters except replacement
+    });
+
+    if (counter > 0) {
+        url += '-' + counter;
+    }
+
+    Article.findOne({ url: url })
+        .then((art) => {
+            if (null === art) {
+                callBack(url);
+            }
+            else {
+                createUniqueUrl(title, callBack, counter + 1);
+            }
+        })
+}
+
+
+router.route('/')
+    .get((req, res, next) => {
+        Article.find({})
+            .sort({'updatedAt':-1})
+            .limit(5)
+            .exec(function (err, articles) {
+                if (err) {
+                    res.statusCode = 500;
+                    res.setHeader('Content-Type', 'application/json');
+                    res.json(err);
+                }
+                else {
+                    res.statusCode = 200;
+                    res.setHeader('Content-Type', 'application/json');
+                    res.json(articles);
+                }
+            });
+    })
+    .post((req, res, next) => {
+        debug('inside article create');
+        createUniqueUrl(req.body.title, (url) => {
+            var article = new Article({ title: req.body.title });
+            article.url = url;
+            article.body = req.body.body;
+
+            article.save((err, art) => {
+                if (err) {
+                    res.statusCode = 500;
+                    res.setHeader('Content-Type', 'application/json');
+                    res.json(err);
+                }
+                else {
+                    res.statusCode = 200;
+                    res.setHeader('Content-Type', 'application/json');
+                    res.json(art);
+                }
+            })
+        });
+    })
+
+module.exports = router;