update an article updates articles in author’s array

controllers/articles.js

@@ -1,6 +1,7 @@
 var express = require('express');
 var router = express.Router();
 var Article = require('../models/articles.js');
+var Author = require('../models/authors.js');
 
 router.get('/', function(req, res){
 	Article.find({}, function(err, foundArticles){
@@ -29,8 +30,14 @@ router.get('/:id', function(req,res){
 });
 
 router.delete('/:id', function(req, res){
+	Author.find({'articles._id':req.params.id}, function(err, foundAuthors){
+		for(var i = 0; i < foundAuthors.length; i++){
+			foundAuthors[i].articles.id(req.params.id).remove();
+			foundAuthors[i].save();
+		}
 		Article.findByIdAndRemove(req.params.id, function(){
 			res.redirect('/articles');
+		})
 	});
 });
 
@@ -43,9 +50,16 @@ router.get('/:id/edit', function(req, res){
 });
 
 router.put('/:id', function(req, res){
-	Article.findByIdAndUpdate(req.params.id, req.body, function(){
+	Article.findByIdAndUpdate(req.params.id, req.body, {new:true}, function(err, updatedArticle){
+		Author.find({'articles._id':req.params.id}, function(err, foundAuthors){
+			for(var i = 0; i < foundAuthors.length; i++){
+				foundAuthors[i].articles.id(req.params.id).remove();
+				foundAuthors[i].articles.push(updatedArticle);
+				foundAuthors[i].save();
+			}
 			res.redirect('/articles');
 		});
+	});
 });
 
 

controllers/authors.js

@@ -1,5 +1,6 @@
 var express = require('express');
 var Author = require('../models/authors.js');
+var Article = require('../models/articles.js');
 var router = express.Router();
 
 router.get('/', function(req, res){
@@ -41,10 +42,33 @@ router.put('/:id', function(req, res){
 });
 
 router.get('/:id/edit', function(req, res){
+	Article.find({}, function(err, foundArticles){
 		Author.findById(req.params.id, function(err, foundAuthor){
 			res.render('authors/edit.ejs', {
-			author: foundAuthor
+				author: foundAuthor,
+				articles: foundArticles
+			});
+		});
+	});
+});
+
+router.post('/:id/articles', function(req, res){
+	Article.findById(req.body.articleId, function(err, foundArticle){
+		Author.findById(req.params.id, function(err, foundAuthor){
+			foundAuthor.articles.push(foundArticle);
+			foundAuthor.save(function(){
+				res.redirect('/authors/' + req.params.id + '/edit');
+			})
+		});
 	});
+});
+
+router.delete('/:authorId/articles/:articleId', function(req, res){
+	Author.findById(req.params.authorId, function(err, foundAuthor){
+		foundAuthor.articles.id(req.params.articleId).remove();
+		foundAuthor.save(function(){
+			res.redirect('/authors/' + req.params.authorId + '/edit');
+		})
 	});
 });
 

models/authors.js

@@ -1,7 +1,9 @@
 var mongoose = require('mongoose');
+var Article = require('./articles.js');
 
 var authorSchema = mongoose.Schema({
-	name: String
+	name: String,
+	articles: [Article.schema]
 });
 
 var author = mongoose.model('Author', authorSchema);

views/authors/edit.ejs

@@ -13,17 +13,46 @@
 						<a href="/">Home</a>
 					</li>
 					<li>
-						<a href="/authors">Authors Index</a>
+						<a href="/authors/<%=author._id%>"><%=author.name%>'s Show Page</a>
 					</li>
 				</ul>
 			</nav>
 		</header>
 		<main>
+			<section>
 				<h2>Author Attributes:</h2>
 				<form action="/authors/<%=author._id%>?_method=PUT" method="post">
 					<input type="text" name="name" value="<%=author.name%>"/><br/>
 					<input type="submit" value="Update Author"/>
 				</form>
+			</section>
+			<section>
+				<h2>Articles Written By This Author</h2>
+				<ul>
+					<% for(var i = 0; i < author.articles.length; i++) { %>
+						<li>
+							<%=author.articles[i].title%>
+							<form action="/authors/<%=author._id%>/articles/<%=author.articles[i]._id%>?_method=DELETE" method="post">
+								<input type="submit" value="Remove This Author's Attribution from This Article" />
+							</form>
+						</li>
+					<% } %>
+				</ul>
+			</section>
+			<section>
+				<h2>Articles Not Written By This Author</h2>
+				<ul>
+					<% for(var i = 0; i < articles.length; i++) { %>
+						<li>
+							<%=articles[i].title%>
+							<form action="/authors/<%=author._id%>/articles" method="post">
+								<input type="hidden" name="articleId" value="<%=articles[i]._id%>">
+								<input type="submit" value="Attribute Article To This Author" />
+							</form>
+						</li>
+					<% } %>
+				</ul>
+			</section>
 		</main>
 	</body>
 </html>

views/authors/show.ejs

@@ -25,6 +25,14 @@
 					<li>Name: <%=author.name%></li>
 				</ul>
 			</section>
+			<section>
+				<h2>Articles Written By This Author</h2>
+				<ul>
+					<% for(var i = 0; i < author.articles.length; i++) { %>
+						<li><%=author.articles[i].title%></li>
+					<% } %>
+				</ul>
+			</section>
 			<section>
 				<a href="/authors/<%=author._id%>/edit">Edit</a>
 			</section>