favorite unfavorite article

models/article.js

@@ -16,12 +16,11 @@ var articleSchema = new Schema({
   },
   body: {
     type: String,
-    required:true
+    required: true
   },
   image: {
     type: String
   },
-  tagList: [String],
   favorited: Boolean,
   favoritesCount: {
     type: Number,
@@ -34,6 +33,10 @@ var articleSchema = new Schema({
   comments: [{
     type: Schema.Types.ObjectId,
     ref: 'Comment'
+  }],
+  favorites: [{
+    type: Schema.Types.ObjectId,
+    ref: 'User'
   }]
 }, { timestamps: true })
 

models/user.js

@@ -31,6 +31,18 @@ var userSchema = new Schema({
   following: {
     type: [Schema.Types.ObjectId],
     ref: "User"
+  },
+  comments: {
+    type: [Schema.Types.ObjectId],
+    ref: "Comment"
+  },
+  articles: {
+    type: [Schema.Types.ObjectId],
+    ref: "Article"
+  },
+  favorited: {
+    type: [Schema.Types.ObjectId],
+    ref: "Article"
   }
 }, { timestamps: true })
 

routes/api/articles.js

@@ -1,9 +1,11 @@
 var express = require('express');
 var router = express.Router();
 var Article = require('../../models/article');
+var Comment = require('../../models/comment');
+var User = require('../../models/user');
 var auth = require('../../modules/auth');
-var loggedUser = auth.verifyToken
-var updateSlug = auth.upateSlug
+var loggedUser = auth.verifyToken;
+var updateSlug = auth.upateSlug;
 
 
 //get single article
@@ -27,9 +29,9 @@ router.use(loggedUser)
 router.get('/', async (req, res) => {
   try {
     var articles = await Article.find({})
-    res.json({success:true, articles})
+    res.json({ success: true, articles })
   } catch (error) {
-    res.json({error, msg:"No articles found"})
+    res.json({ error, msg: "No articles found" })
   }
 
 })
@@ -38,8 +40,8 @@ router.get('/', async (req, res) => {
 router.post('/', async (req, res) => {
   try {
     var article = await Article.create(req.body.article)
-    console.log(article)
-    res.json({ success: "true", article })
+    var articleWithUser = await Article.findOneAndUpdate(article.id, { author: req.user.UserId })
+    res.json({ success: "true", articleWithUser })
   } catch (error) {
     res.status(400).json(error)
   }
@@ -63,12 +65,88 @@ router.put('/:slug', async (req, res) => {
 router.delete('/:slug', async (req, res) => {
   var slug = req.params.slug
   try {
-    await Article.findOneAndDelete({slug})
-    res.json({success:true,msg:"Article Deleted"})
+    await Article.findOneAndDelete({ slug })
+    res.json({ success: true, msg: "Article Deleted" })
+  } catch (error) {
+    res.json({ error: "Article not deleted, invalid slug input" })
+  }
+
+})
+
+// =======================COMMENTS========================================
+//create comments
+router.post('/:slug/comments', async (req, res) => {
+  console.log(req.user)
+  try {
+    var comment = await Comment.create(req.body.comment)
+    var commentWithUser = await Comment.findByIdAndUpdate(comment.id, { author: req.user.UserId }, { new: true })
+    await Article.findOneAndUpdate({ slug: req.params.slug }, { $push: { comments: comment._id } }, { new: true })
+    res.json({ success: true, commentWithUser })
+  } catch (error) {
+    res.json({ error, msg: "comment not created" })
+  }
+})
+
+//delete comment
+router.delete('/:slug/comments/:id', async (req, res) => {
+  var slug = req.params.slug
+  try {
+    await Comment.findByIdAndDelete(req.params.id)
+    await Article.findOneAndUpdate({ slug }, { $pull: { comments: req.params.id } })
+    res.json({ success: "true", msg: `comment with ${req.params.id} is deleted` })
+  } catch (error) {
+    res.json({ error, msg: "comment could not be deleted" })
+  }
+})
+
+//get all comments in an article
+router.get('/:slug/comments', (req, res) => {
+  console.log(req.user)
+  var slug = req.params.slug
+  Article.findOne({ slug })
+    .populate({ path: 'comments', select: 'body' })
+    .exec((err, comments) => {
+      if (err) return res.json(err)
+      res.json(comments)
+    })
+})
+
+//like an article
+router.post('/:slug/favorite', async (req, res) => {
+  var slug = req.params.slug
+  var user = req.user.UserId
+  try {
+    var article = await Article.findOne({ slug })
+    console.log(article)
+    if (!article.favorites.includes(user)) {
+      await Article.findOneAndUpdate({ slug }, { $push: { favorites: user }, $inc: { favoritesCount: 1 } })
+      await User.findByIdAndUpdate({ user }, { $push: { favorited: article.id } })
+      console.log(article.id, "ID")
+    } else {
+      res.json({ msg: "Article already liked!!" })
+    }
+    res.json({ success: true, msg: "Article successfully liked" })
+  } catch (error) {
+    res.json({ error, msg: "Could not like the article" })
+  }
+})
+
+//dislike an article
+router.delete('/:slug/favorite', async (req, res) => {
+  var slug = req.params.slug
+  var user = req.user.UserId
+  try {
+    var article = await Article.findOne({ slug })
+    if (article.favorites.includes(user)) {
+      await Article.findOneAndUpdate({ slug }, { $pull: { favorites: user }, $inc: { favoritesCount: -1 } })
+      await User.findByIdAndUpdate({ user }, { $pull: { favorited: article.id } })
+    } else {
+      res.json({ msg: "Article already disliked!!" })
+    }
+    res.json({ success: true, msg: "Article disliked" })
   } catch (error) {
-    res.json({error:"Article not deleted, invalid slug input"})
+    res.json({ error, msg: "Could not dislike the article" })
   }
-
 })
 
 

routes/api/profiles.js

@@ -2,8 +2,6 @@ var express = require('express');
 var router = express.Router();
 var User = require('../../models/user');
 var auth = require('../../modules/auth');
-var jwt = require('jsonwebtoken');
-var gravatar = require('gravatar');
 var loggedUser = auth.verifyToken;
 
 router.use(loggedUser);