added ability to delete posts

Author: trucy

app.js

@@ -69,6 +69,12 @@ app.get('/blog/:id', function(req, res) {
     });
 });
 
+app.post('/blog/:id/delete', function(req, res) {
+		articleProvider.delete(req.param('_id'), function(error, docs) {
+			res.redirect('/')
+		});
+});
+
 app.post('/blog/addComment', function(req, res) {
     articleProvider.addCommentToArticle(req.param('_id'), {
         person: req.param('person'),

articleprovider-mongodb.js

@@ -50,6 +50,9 @@ ArticleProvider.prototype.save = function(articles, callback) {
           articles = [articles];
         for( var i =0;i< articles.length;i++ ) {
           article = articles[i];
+					text_to_replace = articles[i].body;
+					var paragraphs = article.body.split('\r\n\r\n');
+					article.body = paragraphs;
           article.created_at = new Date();
           if( article.comments === undefined ) article.comments = [];
           for(var j =0;j< article.comments.length; j++) {
@@ -64,6 +67,20 @@ ArticleProvider.prototype.save = function(articles, callback) {
     });
 };
 
+ArticleProvider.prototype.delete = function(articleId, callback) {
+	this.getCollection(function(error, article_collection) {
+		if(error) callback(error);
+		else {
+			article_collection.remove(
+				{_id: article_collection.db.bson_serializer.ObjectID.createFromHexString(articleId)},
+				function(error, article){
+					if(error) callback(error);
+					else callback(null, article)
+				});
+			}
+	});
+};
+
 ArticleProvider.prototype.addCommentToArticle = function(articleId, comment, callback) {
   this.getCollection(function(error, article_collection) {
     if( error ) callback( error );

public/stylesheets/style.css

@@ -37,6 +37,15 @@ a {
   padding-left: 20px;
   background-color: #d2eced;
 }
+#articles .article .title input#delete {
+  float: right;
+  margin-top: 10px;
+  margin-right: 10px;
+  color: #d55b5b;
+  border: none;
+  background: transparent;
+  cursor: pointer;
+}
 #articles .article .title a {
   line-height: 40px;
 }

public/stylesheets/style.styl

@@ -25,6 +25,14 @@ a
     .created_at
         display none
     .title
+      input#delete
+        float right
+        margin-top 10px
+        margin-right 10px
+        color #D55B5B
+        border none
+        background transparent
+        cursor pointer
       a
         line-height 40px
       font-weight bold

views/index.jade

@@ -3,8 +3,13 @@ h1= title
   - each article in articles
     div.article
       div.created_at= article.created_at
-      div.title 
+      div.title
+        form( method="post", action="/blog/:id/delete")
+          input(name="_id", type="hidden", value=article._id.toHexString())
+          input(id="delete", value="x", type="submit")
         a(href="/blog/"+article._id)!= article.title
-        div.body= article.body
+        div.body
+          - each paragraph in article.body
+            p= paragraph
 #newpost
   a(href="/blog/new")!= 'new post'

views/layout.jade

@@ -3,4 +3,5 @@ html
   head
     title= title
     link(rel='stylesheet', href='/stylesheets/style.css')
+    script(src='http://code.jquery.com/jquery-1.7.2.min.js')
   body!= body